Provided is a laminate excellent in both adhesiveness to a substrate or the like and easy-openability such as easy-tearability, and a laminate production method.
Provided is a laminate excellent in both adhesiveness to a substrate or the like and easy-openability such as easy-tearability, and a laminate production method.
The laminate comprises at least four layers which are, respectively, a substrate layer 1(α), a resin layer (β), an adhesive agent layer (γ) and a substrate layer 2(δ). The substrate layer 1(α), the resin layer (B), the adhesive agent layer (γ) and the substrate layer 2(δ) are laminated adjacent to one another, and the resin layer (B) and the adhesive agent layer (γ) satisfy, respectively, the following characteristics:
resin layer (β): comprising a polyethylene resin composition (B) containing an ethylene-based copolymer (A) having characteristics (a-1) to (a-4), and
adhesive agent layer (γ): comprising a reaction product of a polyol compound and a polyisocyanate compound.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
In relation to molding of a polyethylene-based blown container, the present invention applies a recycled material to blown products, reduces the usage amount of plastics, solves the problem of plastic refuse (waste plastic), and provides a blown container having excellent durability by reforming the recycled material. In the blown container, a polyethylene-based recycled material having specific properties and a polyethylene-based modifier having specific properties are used.
This resin composition for a 3D printer contains: an ethylene copolymer having a melt flow rate (190℃, 21.18 N load) of 0.1 g/10 minutes or greater and a degree of crystallization of 60% or less; and optionally, a thermoplastic resin that does not correspond to the ethylene copolymer. The amount of the ethylene copolymer is at least 50 mass% with respect to the entire resin composition. Provided are: a resin for a 3D printer, which has excellent pliability in the low-melting-point region and excellent formability such that shrinkage, sagging or the like tends not to occur; and a formed article obtained using the resin.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
4.
COMPOSITION FOR COMPATIBILIZER AND RECYCLABLE FILM CONTAINING SAME
The present invention provides a composition which is for a compatibilizer and which comprises: 20-95 mass% of a modified polyolefin that is obtained by graft-modifying, with a polar group-containing monomer, an ethylene-α-olefin copolymer having a density of 0.86-0.98 g/cm3and a melt flow rate (MFR) of 10-110 g/min as measured at a temperature of 190°C and a load of 21.6 kg; and 80-5 mass% of a modified polyolefin that is obtained by graft-modifying, with a polar group-containing monomer, an ethylene-α-olefin copolymer having a density of 0.86-0.98 g/cm3 and an MFR of not less than 0.1 g/min and less than 10 g/min as measured at a temperature of 190°C and a load of 21.6 kg. The present invention also provides a resin composition using the composition. Thus, provided is a material which is suitable for a highly recyclable multilayer film and which does not have the problem of whitening even when mixed with a polyolefin.
Provided is an ionomer characterized in that: a copolymer (P) contains structural units (A) derived from ethylene and/or an α-olefin having 3-20 carbon atoms and structural units (B) derived from a monomer having a carboxyl group and/or a dicarboxylic acid anhydride group as essential constituent units and in which the proportion of structural units (B) is 1-20 mol%, and in the copolymer (P), at least some carboxyl groups and/or dicarboxylic acid anhydride groups are converted through neutralization into metal-containing carboxylates containing ions of at least one type of metal selected from among group 2 of the periodic table; (a) the phase angle δ is 50-75° when the absolute value G* of the complex modulus of elasticity measured using a rotational rheometer is 0.1 MPa; and (b) the degree of neutralization is 1-90 mol%. This ionomer achieves an excellent balance between fluidity, impact resistance, and adhesion to highly polar dissimilar materials.
Provided are a catalyst and a method that enable the production of an olefin-based polymer, which has a polar group and is usable for various applications, at high catalytic activity. A metal complex shown in general formula (C1) (in the formula, M represents a palladium atom or a nickel atom, X represents a phosphorus atom (P), R5-R9 are as set forth in the claims, L represents an electron donating ligand, and q is 0, 1/2, 1, or 2) is used as a catalyst for polymerization of an olefin having a polar group.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or more and 60 ppm or less.
[Problem] To provide a laminate having both good adhesiveness to a base material or the like and good ease of opening such as easy tearability, and to also provide a laminate production method. [Solution] A laminate characterized by comprising at least four layers, namely a base material layer 1 (α), a resin layer (β), an adhesive layer (γ), and a base material layer 2 (δ), wherein the base material layer 1 (α), the resin layer (β), the adhesive layer (γ), and the base material layer 2 (δ) are laminated in a manner adjacent to one another, and the resin layer (β) and the adhesive layer (γ) satisfy the following characteristics, respectively. Resin layer (β): includes a polyethylene resin composition (B) containing an ethylene-based copolymer (A) having characteristics (a-1) to (a-4). Adhesive layer (γ): includes polyol compound and polyisocyanate compound reactants.
[Problem] To provide a laminate having both good adhesiveness to a base material or the like and good ease of opening such as easy tearability, and to also provide a laminate production method. [Solution] A laminate characterized by comprising at least four layers, namely a base material layer 1 (α), a resin layer (β), an adhesive layer (γ), and a base material layer 2 (δ), wherein the base material layer 1 (α), the resin layer (β), the adhesive layer (γ), and the base material layer 2 (δ) are laminated in a manner adjacent to one another, and the resin layer (β) and the adhesive layer (γ) satisfy the following characteristics, respectively. Resin layer (β): includes a polyethylene resin composition (B) containing an ethylene-based copolymer (A) having characteristics (a-1) to (a-4). Adhesive layer (γ): includes the reaction product of a polyol compound and a polyisocyanate compound.
Provided are a catalyst, which enables the production of a high molecular weight olefin polymer having a polar group and being usable for various applications at a high catalytic activity, and a method for producing such an olefin polymer. Use is made of, as a polymerization catalyst for an olefin having a polar group, a metal complex represented by general formula (C1) [wherein: M represents an element in group 10 of the periodic table; X represents a phosphorus atom (P) or arsenic atom (As); R5to R11are as described in claims; at least one of R6and R7is an aralkyl group represented by general formula (2) (wherein R12to R21 are as described in claims); L represents an electron-donating ligand; and q is 0, 1/2, 1 or 2].
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
A resin composition for injection molding or compression molding using an ethylene-based ionomer is excellent in impact strength, heat resistance, long-term durability, etc. The resin composition includes an ionomer in which, in a copolymer (P) containing a structural unit (A) derived from ethylene and/or an α-olefin having 3 to 20 carbon atoms, and a structural unit (B) derived from a monomer having a carboxyl group(s) and/or a dicarboxylic anhydride group(s) as essential constitutional units, at least a part of the carboxyl groups and/or the dicarboxylic anhydride groups in the copolymer (P) being converted into a metal-containing carboxylic acid salt(s) containing at least one kind of a metal ion(s) selected from Group 1, Group 2 or Group 12 of the periodic table, and has a phase angle S at an absolute value G*=0.1 MPa of a complex modulus of elasticity measured by a rotary rheometer of 50 degrees to 75 degrees.
A polymer composition for lamination characterized in that the composition consists of (X1) 100 to 60% by weight of an ionomer characterized in that at least a part of a carboxyl group and/or a dicarboxylic anhydride group in a copolymer (P) containing a structural unit (A) derived from ethylene and/or an α-olefin having 3 to 20 carbon atoms and a structural unit (B) derived from a monomer having a carboxyl group and/or a dicarboxylic anhydride group as essential constitutional units being converted into a metal-containing carboxylic acid salt containing at least one kind of a metal ion(s) selected from Group 1, Group 2 or Group 12 of the periodic table, and a phase angle δ of the ionomer at an absolute value G*=0.1 MPa of a complex modulus of elasticity measured by a rotary rheometer is a range of 50 degrees to 75 degrees, and (X2) 40 to 0% by weight of an ethylene-based copolymer.
This is a resin composition for a film containing an ionomer which comprises, in a copolymer (P) containing a structural unit (A) derived from ethylene and/or an α-olefin having 3 to 20 carbon atoms, and a structural unit (B) derived from a monomer having a carboxyl group(s) and/or a dicarboxylic anhydride group(s) as essential constitutional units, at least a part of the carboxyl groups and/or the dicarboxylic anhydride groups in the copolymer (P) being converted into a metal-containing carboxylic acid salt(s) containing at least one kind of a metal ion(s) selected from Group 1, Group 2 or Group 12 of the periodic table, and having a phase angle δ at an absolute value G*=0.1 MPa of a complex modulus of elasticity measured by a rotary rheometer of 50 degrees to 75 degrees, and a molded body molded by using the same.
A polyamide resin composition comprising a polyamide resin (I) and an ionomer (II), wherein the ionomer resin (II) is substantially linear. The resin composition has more excellent impact resistance than a conventional resin composition.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
A multi-component ionomer, wherein, in a multi-component copolymer (D) comprising, as essential constitutional units, a structural unit (A) derived from at least one selected from the group consisting of ethylene and an α-olefin containing 3 to 20 carbon atoms, a structural unit (B) derived from a monomer containing at least one selected from the group consisting of a carboxy group and a dicarboxylic anhydride group, and a structural unit (C) derived from a specific acyclic monomer, at least a part of at least one selected from the group consisting of a carboxy group and a dicarboxylic anhydride group of the structural unit (B) is converted into a specific metal-containing carboxylate, and wherein a phase angle δ at which an absolute value G* of a complex modulus measured with a rotational rheometer is 0.1 MPa (G*=0.1 MPa) is from 50 degrees to 75 degrees.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
C08F 220/04 - AcidsMetals salts or ammonium salts thereof
Provided is a polar group-containing multi-component olefin copolymer comprising: structural units (A) derived from ethylene or an α-olefin; structural units (B) having a carboxyl group or a structure which forms a carboxyl group by an elimination reaction due to heat or an acid; and structural units (C) derived from acrylic acid, which do not have a carboxyl group, and which do not cause an elimination reaction due to heat or an acid under the same conditions as those for the elimination reaction due to heat or an acid in which the structural units (B) form a carboxyl group.
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
A readily tearable co-extruded multilayer barrier film being a multilayer film formed from at least three layers, the readily tearable co-extruded multilayer barrier film comprising a layered body having a barrier layer (I) containing a polar resin (a) as a main component, and an adhesive layer (II) and an adhesive layer (III) laminated on both sides adjacent to the barrier layer (I), the adhesive layer (II) and the adhesive layer (III) each at least containing a modified polyolefin-based resin (b) modified with an unsaturated carboxylic acid or a derivative thereof, and a cyclic olefin-based resin (c).
B65D 65/40 - Applications of laminates for particular packaging purposes
B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
B29C 48/08 - Flat, e.g. panels flexible, e.g. films
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A pipe (10) includes a polyethylene-based resin layer (21) which comprises a polyethylene-based resin composition as a main component. The polyethylene-based resin layer (21) forms a pipeline-material inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10-60 ppm.
F16L 9/127 - Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
F16L 9/133 - Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
20.
Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization
The metallocene compound represented by the following general formula (1):
(the numerals and signs in the general formula (1) are as described in the description).
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
A catalyst configured to be handled more easily than conventional catalysts and configured to copolymerize an α-olefin and a (meth)acrylic acid ester with high activity. The objects are achieved by polymerization using an olefin polymerization catalyst which contains a metal complex obtained by reacting a ligand having a specific structure and a transition metal compound containing a transition metal selected from nickel or palladium having a specific structure.
αδδ is 50°–75°; and (X2) 40–0% by weight of an ethylene-based copolymer having ethylene produced by high-pressure radical polymerization as an essential monomer.
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
23.
RESIN COMPOSITION FOR INJECTION MOLDING OR COMPRESSION MOLDING
The present invention provides a resin composition for injection molding or compression molding, said resin composition using an ethylene ionomer that has excellent impact strength, heat resistance and long-term durability. A resin composition for injection molding or compression molding, said resin composition being characterized by containing an ionomer that is characterized by being obtained by converting at least some of carboxyl groups and/or dicarboxylic acid anhydride groups in a copolymer (P), which contains, as essential constituent units, a constituent unit (A) derived from ethylene and/or an α-olefin having 3 to 20 carbon atoms and a constituent unit (B) derived from a monomer having a carboxyl group and/or a dicarboxylic acid anhydride group, into a metal-containing carboxylic acid salt that contains at least one kind of metal ion selected from among group 1, group 2 and group 12 elements of the periodic table, said ionomer being also characterized in that the phase angle δ at the position where the absolute value G* of the complex elastic modulus is 0.1 MPa as determined by a rotational rheometer is from 50 degrees to 75 degrees.
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
24.
RESIN FOR FILM-SHAPED MOLDED BODY, AND MOLDED ARTICLE COMPRISING SAID RESIN
An ionomer-including resin composition for a film and a molded body that is molded using said resin composition, said resin composition being characterized in that at least a portion of carboxyl groups and/or dicarboxylic anhydride groups in a copolymer (P) are converted into metal-including carboxylate salts that include at least one type of metal ions selected from group 1, group 2, or group 12 of the periodic table, said copolymer (P) including, as essential structural units, a structural unit (A) that is derived from ethylene and/or a C3-20 α-olefin and a structural unit (B) that is derived from a monomer having a carboxyl group and/or a dicarboxylic anhydride group, and the phase angle δ is 50°-75° when the complex modulus of elasticity absolute value G*=0.1MPa, as measured with a rotating-type rheometer.
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
C08F 8/42 - Introducing metal atoms or metal-containing groups
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
The present invention relates to a polyethylene resin composition for lamination having excellent adhesiveness to a substrate or the like, and preferably also excellent in easy-opening properties such as easy piercing properties, and more specifically, relates to a polyethylene resin composition (C) for lamination containing an ethylene/propylene copolymer (A) having the following properties (a-1) to (a-4).
The present invention relates to a polyethylene resin composition for lamination having excellent adhesiveness to a substrate or the like, and preferably also excellent in easy-opening properties such as easy piercing properties, and more specifically, relates to a polyethylene resin composition (C) for lamination containing an ethylene/propylene copolymer (A) having the following properties (a-1) to (a-4).
(a-1) A constituent unit derived from ethylene is contained 80 to 98 mol % as a main component, a constituent unit derived from propylene is contained 2 to 20 mol % as an essential sub-component, and a constituent unit derived from a third α-olefin other than ethylene and propylene may be contained 5 mol % or less as a sub-component.
The present invention relates to a polyethylene resin composition for lamination having excellent adhesiveness to a substrate or the like, and preferably also excellent in easy-opening properties such as easy piercing properties, and more specifically, relates to a polyethylene resin composition (C) for lamination containing an ethylene/propylene copolymer (A) having the following properties (a-1) to (a-4).
(a-1) A constituent unit derived from ethylene is contained 80 to 98 mol % as a main component, a constituent unit derived from propylene is contained 2 to 20 mol % as an essential sub-component, and a constituent unit derived from a third α-olefin other than ethylene and propylene may be contained 5 mol % or less as a sub-component.
(a-2) MFR 0.1 to 100 g/10 min.
The present invention relates to a polyethylene resin composition for lamination having excellent adhesiveness to a substrate or the like, and preferably also excellent in easy-opening properties such as easy piercing properties, and more specifically, relates to a polyethylene resin composition (C) for lamination containing an ethylene/propylene copolymer (A) having the following properties (a-1) to (a-4).
(a-1) A constituent unit derived from ethylene is contained 80 to 98 mol % as a main component, a constituent unit derived from propylene is contained 2 to 20 mol % as an essential sub-component, and a constituent unit derived from a third α-olefin other than ethylene and propylene may be contained 5 mol % or less as a sub-component.
(a-2) MFR 0.1 to 100 g/10 min.
(a-3) Density is 0.88 to 0.94 g/cm3.
The present invention relates to a polyethylene resin composition for lamination having excellent adhesiveness to a substrate or the like, and preferably also excellent in easy-opening properties such as easy piercing properties, and more specifically, relates to a polyethylene resin composition (C) for lamination containing an ethylene/propylene copolymer (A) having the following properties (a-1) to (a-4).
(a-1) A constituent unit derived from ethylene is contained 80 to 98 mol % as a main component, a constituent unit derived from propylene is contained 2 to 20 mol % as an essential sub-component, and a constituent unit derived from a third α-olefin other than ethylene and propylene may be contained 5 mol % or less as a sub-component.
(a-2) MFR 0.1 to 100 g/10 min.
(a-3) Density is 0.88 to 0.94 g/cm3.
(a-4) Total of vinyl and vinylidene is 0.35 or more.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A resin composition, which is a polyamide resin composition comprising a polyamide resin (I) and an ionomer (II), characterized in that the ionomer resin (II) is substantially in a straight-chain form. This resin composition is superior in shock resistance to conventional products.
C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
The present invention provides a multi-component ionomer which has an excellent balance among flexibility, strength and transparency, while exhibiting excellent adhesion to a dissimilar material that has high polarity. A multi-component ionomer which is composed of a multi-component copolymer (D) that contains, as essential constituent units, a structural unit (A) derived from at least one substance that is selected from the group consisting of ethylene and α-olefins having 3-20 carbon atoms, a structural unit (B) derived from a monomer having at least one group that is selected from the group consisting of a carboxy group and dicarboxylic acid anhydride groups, and a structural unit (C) derived from a specific acyclic monomer, and which is characterized in that: at least a part of the at least one group that is selected from the group consisting of a carboxy group and dicarboxylic acid anhydride groups of the structural unit (B) is converted into a specific metal-containing carboxylic acid salt; and the phase angle δ at the position where the absolute value G* of the complex elastic modulus is 0.1 MPa as determined by a rotational rheometer is from 50 degrees to 75 degrees.
C08F 8/44 - Preparation of metal salts or ammonium salts
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 220/04 - AcidsMetals salts or ammonium salts thereof
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
The present invention provides: a catalyst which has high activity and enables the production of an olefin polymer that has a polar group; and a method for producing the polymer. A catalyst for olefin polymerization, which contains a metal complex represented by general formula (C1); and a method for producing an ethylene (co)polymer, wherein (1) ethylene is polymerized, (2) ethylene and an olefin having a polar group represented by general formula (1) are copolymerized, or (3) ethylene, an olefin having a polar group represented by general formula (1) and another monomer are copolymerized, with use of the above-described catalyst. (In the formulae, the symbols are as defined in the description; and at least one of R6and R7 represents a 9-fluorenyl analogous group represented by general formula (2).)
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
Provided is a multi-component polar-group-containing olefin copolymer characterised by containing: a structural unit (A) which is derived from ethylene or α-olefin; a structural unit (B) which has a carboxyl group or a structure that produces a carboxyl group in an elimination reaction by heat or acid; and an acrylic-acid-derived structural unit (C) which does not have a carboxyl group and does not cause an elimination reaction by heat or acid under the same conditions as those for the elimination reaction by heat or acid in which the structural unit (B) produces a carboxyl group.
This readily tearable co-extruded multilayer barrier film is a multilayer film comprising at least three layers and is characterized in that the layered body comprises: a barrier layer (I) having a polar resin (a) as the main component; an adhesive layer (II) and an adhesive layer (III) layered respectively on the sides that are adjacent to the barrier layer (I), each containing at least a cyclic olefin-based resin (c) and a modified polyolefin-based resin (b) which has been modified by an unsaturated carboxylic acid or a derivative thereof.
The present invention provides: a resin composition which enables the achievement of firm bonding and unification of a polyacetal resin molded body and a polyethylene resin molded body, and which is also capable of suppressing the generation of formaldehyde and the occurrence of mold deposit; a pellet; a composite molded body; a method for producing a composite molded body; and a tank. A resin composition which contains a resin component and melamine, and which is configured such that: the resin component contains a polyacetal resin and a maleic acid anhydride-modified polyethylene resin; the mass ratio of the polyacetal resin to the maleic acid anhydride-modified polyethylene resin is 20-49:80-51; and the molar concentration of maleic acid anhydride groups that are reactive with the amino groups of the melamine contained in the resin composition is 5-25 μmol/g.
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
B32B 27/42 - Layered products essentially comprising synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
C08L 59/00 - Compositions of polyacetalsCompositions of derivatives of polyacetals
33.
Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
The present invention pertains to a method for producing a copolymer of ethylene and an allyl monomer having a polar group represented by general formula (1), or a copolymer of ethylene, an allyl monomer having a polar group represented by general formula (1), and other monomers, wherein the copolymer is produced in the presence of a boron compound having a boron-hydrogen bond or a boron-carbon bond (for example, a compound represented by general formula (2)) by using a metal complex represented by general formula (C1) as a polymerization catalyst (the symbols in the formulas are as described in the description). According to the present invention, a copolymer of ethylene and an allyl monomer can be efficiently produced with high catalytic activity, wherein the copolymer has a polar group and can be used in various applications.
The present invention is much more easily handleable than conventional catalysts, and enables the achievement of copolymerization of an α-olefin and a methacrylic acid ester with high activity. The above-described problem is solved by using a catalyst for olefin polymerization, which contains a metal complex that is characterized by being obtained by reacting a ligand having a specific structure with a transition metal compound that has a specific structure, while containing a transition metal selected from among nickel and palladium, in polymerization.
The present invention relates to a method for producing a copolymer of ethylene and an allyl monomer that is represented by formula (1) and has a polar group, or a copolymer of ethylene, the allyl monomer that is represented by formula (1) and has a polar group, and another monomer. This production method is characterized by using a metal complex, which is represented by general formula (C1), as a polymerization catalyst and by having a silane compound, which is represented by general formula (2) and has a silicon-hydrogen bond, coexist with the metal complex. (In the formulae, the symbols are as defined in the description.) According to the present invention, a copolymer of an allyl monomer that has a polar group is able to be produced with high catalytic activity, said copolymer being capable of having various applications.
3-203-20 α-olefins, at least one kind of structural units (B) obtained from one or more polar-group-containing olefin monomers, and structural units (C) derived from a non-polar cycloolefin.
C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
C08F 220/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
C08F 220/04 - AcidsMetals salts or ammonium salts thereof
C08F 232/00 - Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
38.
POLYETHYLENE RESIN COMPOSITION FOR USE IN LAMINATION, LAMINATE, AND PRODUCTION METHOD FOR LAMINATE
The present invention pertains to a polyethylene resin composition for use in lamination which has excellent adhesiveness to a substrate, or the like, and preferably also provides superior ease of opening such as the ability to be easily pierced. More specifically, the present invention pertains to a polyethylene resin composition (C) for use in lamination which contains an ethylene-propylene copolymer (A) having the following properties (a-1) to (a-4): (a-1) the copolymer includes 80–98 mol% of a structural unit derived from ethylene as the main component and 2–20 mol% of a structural unit derived from propylene as an essential secondary component, and may include no more than 5 mol% of a structural unit derived from a third α-olefin other than ethylene and propylene as a secondary component; (a-2) the MFR of the copolymer is 0.1–100 g/10 minutes; (a-3) the density of the copolymer is 0.88–0.94 g/cm3; and (a-4) the total number of vinyl and vinylidene groups is at least 0.35 groups.
The present invention pertains to a catalyst for olefin polymerization that includes a metal complex indicated by general formula (C1) and a production method that uses the metal complex as a polymerization catalyst and produces: a copolymer of polyethylene, ethylene, and a polar group-containing olefin indicated by general formula (1); or a copolymer of ethylene, an olefin having a polar group indicated by general formula (1), and another monomer. (The symbols in the formula are as listed in the description.) This metal complex catalyst has high heat resistance and catalytic activity. As a result of using this catalyst, an olefin-based polymer having a polar group and capable of a variety of applications can be efficiently produced by copolymerization, at a high temperature, of a non-polar olefin (ethylene) and an olefin having a polar group.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C07F 9/6578 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and sulfur atoms with or without oxygen atoms, as ring hetero atoms
C07F 15/00 - Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
C07F 19/00 - Metal compounds according to more than one of main groups
41.
Polar-group-containing olefin copolymer, polar-group-containing multinary olefin copolymer, olefin-based resin composition, and adhesive and layered product each using the same
A method of producing a polar-group-containing olefin copolymer which comprises 99.999 to 80 mol % of structural units derived from at least one of ethylene and α-olefin having 3 to 20 carbon atoms and 20 to 0.001 mol % of structural units derived from at least one polar-group-containing monomer which contains an epoxy group and is represented by structural formula (I) or (II), the method comprising random copolymerization in the presence of a transition metal catalyst to obtain a copolymer having a linear molecular structure.
C08F 220/32 - Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
C08F 224/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a heterocyclic ring containing oxygen
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 23/08 - Layered products essentially comprising cellulosic plastic substances comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/10 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of paper or cardboard
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
C09J 123/00 - Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondAdhesives based on derivatives of such polymers
C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization
The metallocene compound represented by the following general formula (1):
(the numerals and signs in the general formula (1) are as described in the description).
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 4/659 - Component covered by group containing a transition metal-carbon bond
43.
Polar group-containing olefin copolymer, multinary polar olefin copolymer, olefin resin composition, and adhesive material, laminate, and other application products using same
The present invention relates to a polar group-containing olefin copolymer (A′) which is produced through polymerization using a transition metal catalyst, which has a weight-average molecular weight falling within a specific range and which contains a polar group-containing monomer within a specific range; a multinary polar olefin copolymer (A″) indispensably containing a polar monomer component that has a norbornene skeleton and a carboxyl group or an acid anhydride group and having three or more types of monomer units; and a resin composition (C) containing a specific amount of a polar group-containing olefin copolymer (A) and a specific amount of an olefin resin (B).
C09J 123/04 - Homopolymers or copolymers of ethene
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers
C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
B32B 15/092 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising epoxy resins
B32B 23/08 - Layered products essentially comprising cellulosic plastic substances comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/10 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of paper or cardboard
The present invention relates to a gas-barrier resin composition which comprises a gas-barrier resin (A) having a coefficient of oxygen permeability of 1.0×10-14(cm3∙cm/cm2∙s∙Pa) or less and a copolymer (B) containing structural monomer units represented by general formulae (1), (2), and (3) (wherein R1represents a hydrogen atom or a methyl group; R21-201-20 hydrocarbon group optionally substituted by a halogen atom, hydroxy group, alkoxy group, or amino group; l, m, and n are numerals respectively indicating the molar proportions of the structural monomer units, and n may be 0; and p is an integer of 1 to 4), wherein the copolymer (B) is contained in an amount of 1-40 mass% with respect to the sum of the gas-barrier resin (A) and the copolymer (B). Preferred as the gas-barrier resin (A) are vinyl alcohol-based resins (A1), polyamide-based resins (A2), and polyester-based resins (A3). The present invention can provide the resin composition, which retains the excellent gas-barrier properties inherent in the gas-barrier resin and in which low flexibility and low impact resistance which are drawbacks of the gas-barrier resin have been improved.
C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
C08L 29/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
45.
Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization
The metallocene compound represented by the following general formula (1):
(the numerals and signs in the general formula (1) are as described in the description).
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
The purpose of the present invention is to provide a multi-component polar olefin copolymer which has sufficiently improved solvent solubility without being deteriorated in terms of mechanical properties and the like. The present invention relates to a multi-component polar olefin copolymer which contains one nonpolar monomer unit (X1) that is ethylene or an α-olefin having 3-10 carbon atoms and one or more polar monomer units (formula (1), Z1), while containing structural units, namely, one or more nonpolar monomer units (X2) that are different from X1 and/or one or more polar monomer units (formula (2), Z2).
C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
47.
METALLOCENE COMPOUND, CATALYST COMPONENT FOR OLEFIN POLYMERIZATION AND CATALYST FOR OLEFIN POLYMERIZATION INCLUDING SAME, AND METHOD FOR PRODUCING OLEFIN POLYMER USING CATALYST FOR OLEFIN POLYMERIZATION
Provided is a metallocene compound represented by general formula (1). (1) (The reference signs in general formula (1) are as stipulated in the description.)
C07F 19/00 - Metal compounds according to more than one of main groups
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
Provided is a process of effectively producing an ethylene/unsaturated carboxylic acid copolymer having excellent mechanical and thermal properties. A process for producing an ethylene/unsaturated carboxylic acid copolymer comprises: producing an ethylene/unsaturated carboxylic acid ester copolymer from ethylene and unsaturated carboxylic acid ester using a late-transition-metal complex catalyst; and heating the ethylene/unsaturated carboxylic acid ester copolymer at a temperature capable of converting the ester group into a carboxylic acid group, thereby converting into the ethylene/unsaturated carboxylic acid copolymer.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
50.
Polyethylene for pipe and joint, and molded body thereof
An object of the present invention is to provide a polyethylene for injection molding, which has an excellent balance between moldability and durability, and a molded article such as an injection-molded plastic fuel tank that has an excellent balance among injection moldability, durability, and impact resistance. The invention relates to a polyethylene for injection molding, the polyethylene comprising at least two types of specific polyethylenes, wherein the density, the high load melt flow rate, and the relationship between the weight ratio and the density of the polyethylene satisfy specific characteristics.
The purpose of the present invention is to provide a novel olefin copolymer. The present invention pertains to an olefin copolymer characterized by having: a constituent unit (A) including a structural unit derived from an ethylene (a-1), and/or a structural unit derived from an α-olefin (a-2) having 3-20 carbon atoms; and a constituent unit (B) including a structural unit derived from a nitrogen-containing substituted olefin (b-1) having a substituent represented by general formula (1) below, and/or a structural unit derived from a nitrogen-containing substituted olefin (b-2) having a substituent represented by general formula (2) below.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
53.
Metallocene compound, catalyst for olefin polymer, method for producing olefin polymer, and olefin polymer
The invention provides a specific metallocene compound and an olefin polymerization catalyst for use for a catalyst for producing an olefin polymer having a sufficiently high molecular weight while maintaining excellent copolymerizability at a polymerization temperature and under polymerization conditions industrially advantageous in polymerization of an olefin such as ethylene or the like, and provides a method for producing an olefin polymer using the catalyst.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
An object of the present invention is to provide a novel production method of ethylene-based ionomer having excellent mechanical properties and heat resistance which exhibits remarkably excellent breaking elongation, breaking stress, and strain hardening, and has a high melting point. The present invention relates to a production method of an ethylene-based ionomer including a heating conversion step of heating a specific ethylene/unsaturated carboxylic acid ester copolymer and converting the ester group in the copolymer into a metal-containing carboxylate containing a metal ion of Group 1, 2, or 12 of the periodic table.
The present invention provides: a polyethylene which has excellent moldability and impact resistance, while achieving an excellent balance between stiffness and durability; and a material which is useful as a material for hollow plastic products such as containers, bottles and tanks, especially fuel tanks of automobiles. A polyethylene according to the present invention is configured of one or more ethylene polymers selected from the group consisting of homopolymers of ethylene and copolymers of ethylene and an α-olefin having 3-12 carbon atoms, and satisfies specific conditions at the same time.
METALLOCENE COMPOUND, OLEFIN POLYMERIZATION CATALYST COMPONENT AND OLEFIN POLYMERIZATION CATALYST EACH COMPRISING SAME, AND METHOD FOR PRODUCING OLEFIN POLYMER USING SAID OLEFIN POLYMERIZATION CATALYST
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
57.
POLYETHYLENE-BASED RESIN COMPOSITION FOR FOAMABLE LAMINATED BODY, FOAMABLE LAMINATED BODY, METHOD FOR PRODUCING SAME, FOAM-PROCESSED PAPER, AND HEAT INSULATION CONTAINER
The present invention provides a polyethylene-based resin composition for foamable laminated bodies which has excellent suitability for microwave ovens and from which foam cells (foamed layer) having a sufficient height and an excellent appearance can be obtained at excellent productivity by heating. The present invention is a polyethylene-based resin composition for foamable laminated bodies which forms, on at least one surface of a paper base, a polyethylene-based resin layer (I) for foaming, the polyethylene-based resin composition for foamable laminated bodies containing a polyethylene-based resin (A) that satisfies: a feature (a-1) of having an MFR of not lower than 6 g/10 min but lower than 20 g/10 min; a feature (a-2) of having a density of 0.920-0.930 g/cm3; and a feature (a-3) in which the percentage of an eluted substance having an elution temperature of not lower than 70ºC is 47-83 wt% in an elution curve obtained by means of temperature rising elution fractionation (TREF) using ortho-dichlorobenzene.
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 81/34 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs intended to be cooked or heated within the package
C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent
58.
METALLOCENE COMPOUND, CATALYST COMPONENT FOR OLEFIN POLYMERIZATION INCLUDING SAME, CATALYST FOR OLEFIN POLYMERIZATION INCLUDING METALLOCENE COMPOUND, AND METHOD FOR PRODUCING OLEFIN POLYMER BY USING CATALYST FOR OLEFIN POLYMERIZATION
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic Table
59.
Olefin polymerization catalyst and method for producing olefin polymer
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
[Problem] To provide an ethylene-α-olefin copolymer having high mechanical strength and good molding properties.
[Solution] Provided is an ethylene-α-olefin copolymer having a specific MFR, a specific density, and a specific molecular weight distribution, containing a suitable amount of a long-chain branching structure characterized by a branching index, and having a specific composition distribution structure characterized by solvent fractionation behavior.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
[Problem] To provide an ethylene-α-olefin copolymer that is highly effective in improving the molding properties of polyolefin resins and at the same time highly effective improving the balance between impact strength and stiffness.
[Solution] Provided is an ethylene-α-olefin copolymer having a specific MFR, a specific density, and a specific molecular weight distribution, containing a suitable amount of a long-chain branching structure characterized by a branching index, and having a specific composition distribution structure characterized by solvent fractionation behavior.
[Problem] To provide an ethylene-α-olefin copolymer that is highly effective in improving the molding properties of polyolefin resins, improving the balance between impact strength and stiffness, and improving transparency. [Solution] Provided is an ethylene-α-olefin copolymer having a specific MFR, a specific density, and a specific molecular weight distribution, containing a suitable amount of a long-chain branching structure characterized by a branching index, and having a specific composition distribution structure characterized by solvent fractionation behavior.
This polyethylene for a pipe and coupling joint satisfies characteristics (1)-(5). Characteristic (1): a melt flow rate (HLMFR) of 5-20 g/10 minutes at a temperature of 190°C and a load of 21.6 kg. Characteristic (2): a density (D) of 0.954-0.960 g/cm3. Characteristic (3): a ratio (Mw/Mn) of 15-27 of the weight-average molecular weight (Mw) and number-average molecular weight (Mn) as measured by gel permeation chromatography (GPC). Characteristic (4): a breaking time (FNCT) of 150 hours or greater at 80°C and 5 MPa by full notch creep test. Characteristic (5): a Charpy impact strength (CIS) of 8.5 kJ/m2 or greater measured at -20°C.
E04F 13/02 - Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
C04B 26/00 - Compositions of mortars, concrete or artificial stone, containing only organic binders
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
65.
POLYETHYLENE FOR INJECTION MOLDING AND MOLDED ARTICLE USING SAME
The objective of the present invention is to provide: a polyethylene for injection molding, said polyethylene having an excellent balance between moldability and durability; and, in particular, a molded article such as an injection-molded plastic fuel tank etc. that has an excellent balance of injection moldability, durability, and impact resistance. The present invention relates to a polyethylene for injection molding, said polyethylene including at least two types of specified polyethylene, wherein the density, the high load melt flow rate, and the relationship between the polyethylene weight proportion and density satisfies specified properties.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
66.
Triarylphosphine or triarylarsine compound, alpha-olefin polymerization catalyst using the compound, ternary copolymer, and production process of alpha-olefin-((meth)acrylic acid)-based copolymer
To provide an industrially useful α-olefin•((meth)acrylic acid)-based olefin copolymer having both a high molecular weight and a high comonomer content, a catalyst component capable of realizing a production of two different kinds of α-olefin•((meth)acrylic acid)-based olefin copolymers, and a production process using the catalyst. An α-olefin•((meth)acrylic acid)-based olefin copolymer is produced by using a metal complex complexed with a ligand represented by the following formula (Y is phosphorus or arsenic) for a catalyst composition.
C07F 9/655 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
67.
Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
RESIN COMPOSITION FOR EXPANDABLE LAMINATE, EXPANDABLE LAMINATE, METHOD FOR MANUFACTURING SAME, AND EXPANDED CONVERTED PAPER AND HEAT-INSULATING CONTAINER USING SAME
The present invention provides: a polyethylene resin composition for an expandable laminate, with which expanded cells (an expanded layer) having sufficient height and good appearance are obtained even under high extrusion lamination molding speeds; an expandable laminate; a method for manufacturing the same; expanded converted paper; and a heat insulating container. The present invention is a polyethylene resin composition for an expandable laminate, the composition being used in order to form a polyethylene resin layer (I) for expansion on at least one surface of a base material made mainly of paper, wherein the polyethylene resin composition for an expandable laminate is characterized by containing a polyethylene resin (A) and satisfying the following characteristics (a-1) to (a-4). (a-1) The melt flow rate (MFR) of the polyethylene resin (A), measured in accordance with JIS K7210 (190°C, load of 21.18 N), is 7 g/10 minutes to less than 20 g/10 minutes. (a-2) The density of the polyethylene resin (A) in accordance with JIS K7112 at a testing temperature of 23°C is 0.900-0.930 g/cm3. (a-3) The oxidation induction time (OIT) at 180°C is 10 minutes to less than 190 minutes. (a-4) The memory effect (ME) of the polyethylene resin (A), measured using the melt indexer used in JIS K7210, under conditions of a cylinder temperature of 240°C and a constant-speed extrusion rate of 3 g/minute, is less than 2.0.
B32B 27/10 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of paper or cardboard
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 81/38 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
The present invention relates to a method for producing a copolymer of ethylene and an olefin having a polar group, said method using, as a catalyst, a Group 10 metal complex from the periodic table, said complex having a structure represented by formulas (C4) or (C5). (In the formula, Men represents a menthyl group, and Me represents a methyl group.) The method of the present invention makes it possible to configure an olefin polymer having a polar group and having various possible applications to be a high molecular weight body which has hitherto been difficult to produce, and to produce said polymer in a molecular weight range having good moldability.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
The purpose of the present invention is to provide a production method for a novel ethylene-based ionomer exhibiting exceptionally excellent break elongation, breaking stress, and strain hardening and a high melting point, as well as excellent mechanical properties and heat resistance. This invention pertains to an ethylene-based ionomer production method characterized by including a heating and conversion step in which a specific ethylene/unsaturated carboxylic acid ester copolymer is heated and an ester group in the copolymer is converted to a metal-containing carboxylic acid salt containing a metal ion from group 1, group 2 or group 12 of the periodic table.
The purpose of the present invention is to provide a new catalyst, which does not use a large amount of a co-catalyst and has high activity, for producing an olefin (co)polymer in order to obtain a particulate olefin (co)polymer. This invention relates to an olefin polymerization catalyst that contains a solid carrier (1) that has been brought into contact with a specific compound, and a metal catalyst component (2) that includes a transition metal compound (C) that contains a transitional metal M that belongs to group 9, group 10, or group 11 of the periodic table and has a reactive group Ra.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
The invention provides a specific metallocene compound and an olefin polymerization catalyst for use for a catalyst for producing an olefin polymer having a sufficiently high molecular weight while maintaining excellent copolymerizability at a polymerization temperature and under polymerization conditions industrially advantageous in polymerization of an olefin such as ethylene or the like, and provides a method for producing an olefin polymer using the catalyst.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
74.
Resin composition for solar cell encapsulant, and solar cell encapsulant and solar cell module using the same
[Problem] To provide an ethylene-α-olefin copolymer that has excellent mechanical strength and excellent molding characteristics. [Solution] An ethylene-α-olefin copolymer that has a specific melt flow rate (MFR), density, and molecular weight distribution, that contains a suitable amount of a long chain branching structure that is characterized by branching index, and that has a specific composition distribution structure that is characterized by solvent fractionation behavior.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
76.
ETHYLENE-α-OLEFIN COPOLYMER AND OLEFIN RESIN COMPOSITION
[Problem] To provide an ethylene-α-olefin copolymer that has an excellent polyolefin resin molding characteristic-improving effect, that has an excellent balance-improving effect with respect to impact strength and rigidity, and that has an excellent transparency-improving effect. [Solution] An ethylene-α-olefin copolymer that has a specific melt flow rate (MFR), density, and molecular weight distribution, that contains a suitable amount of a long chain branching structure that is characterized by branching index, and that has a specific composition distribution structure that is characterized by solvent fractionation behavior.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
77.
ETHYLENE-α-OLEFIN COPOLYMER AND OLEFIN RESIN COMPOSITION
[Problem] To provide an ethylene-α-olefin copolymer that has an excellent polyolefin resin molding characteristic-improving effect and that has an excellent balance-improving effect with respect to impact strength and rigidity. [Solution] An ethylene-α-olefin copolymer that has a specific melt flow rate (MFR), density, and molecular weight distribution, that contains a suitable amount of a long chain branching structure that is characterized by branching index, and that has a specific composition distribution structure that is characterized by solvent fractionation behavior.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
78.
METHOD FOR PRODUCING ETHYLENE/UNSATURATED CARBOXYLIC ACID COPOLYMER, AND SAID COPOLYMER
Provided is a method for efficiently producing an ethylene/acid unsaturated carboxylic acid copolymer having excellent mechanical and thermal properties. A method for producing an ethylene/unsaturated carboxylic acid copolymer, which comprises a step of producing an ethylene/unsaturated carboxylic acid ester copolymer from ethylene and an unsaturated carboxylic acid ester using a late transition metal complex catalyst and a step of heating the ethylene/unsaturated carboxylic acid ester copolymer at a temperature at which an ester can be converted to a carboxylic acid to thereby convert the ethylene/unsaturated carboxylic acid ester copolymer to the ethylene/unsaturated carboxylic acid copolymer; and others.
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
This conductive polyethylene resin composition is formed by adding a conductive filler (E) to a resin component comprising a polar group-containing polyethylene resin (A) and a polyethylene resin (B), wherein the composition ratios of the polar group-containing polyethylene resin (A) and the polyethylene resin (B) of the resin component are in the following ranges: polar group-containing polyethylene resin (A): 0.5-80wt%; polyethylene resin (B): 99.5-20wt%, and condition (1) below is satisfied. (1) Surface resistivity: 10Ω/□-1010Ω/□
C08K 3/00 - Use of inorganic substances as compounding ingredients
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
80.
IMINE COMPOUND AND NOVEL CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
Disclosed is a compound represented by the following general formula (1). [In the formula, X represents a nitrogen atom, Y represents a nitrogen atom or a phosphorous atom, R5 and R6 independently represent C1-30 hydrocarbon groups which may contain a hydrogen atom or a hetero atom, and at least one of R5 and R6 is a hydrocarbon group having two or more hetero atom-containing groups, and R1 to R4 independently represent a hydrogen atom, a halogen atom or a C1-20 hydrocarbon group which may contain a hetero atom. A plurality of groups selected from R1 to R4 may be connected with one another to form aliphatic rings, aromatic rings or heterocycles containing hetero atoms selected from oxygen, nitrogen and sulfur. At this time, the number of ring members is 5-8, and the ring may have a substituent.]
A polar-group-containing olefin copolymer which comprises 99.999-80 mol% structural units derived from ethylene and/or a C3-20 α-olefin and 20-0.001 mol% structural units derived from at least one polar-group-containing monomer that contains an epoxy group and is represented by structural formula (I) or (II). The polar-group-containing olefin copolymer is obtained by copolymerization in the presence of a transition metal catalyst, has a linear molecular structure, and is a random copolymer.
C09J 123/00 - Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondAdhesives based on derivatives of such polymers
The present invention provides a method for producing an ethylene/α-olefin copolymer having an excellent balance between density and molecular weight at a polymerization temperature of 100 to 300˚C, which is an industrially advantageous temperature, using an olefin polymerization catalyst having excellent α-olefin copolymerization performance. A method for producing an olefin polymer according to the present invention comprises carrying out the copolymerization of ethylene and an α-olefin at a polymerization temperature of 110˚C or higher using an olefin polymerization catalyst containing a component (A) and a component (B) and optionally containing a component (C). The component (A): a crosslinked metallocene compound represented by general formula [I]; the component (B): a compound or an ion-exchanging layered silicate which can react with the component (A) to form an ion pair; and the component (C): an organoaluminum compound.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
83.
METALLOCENE COMPOUND, CATALYST FOR OLEFIN POLYMER, METHOD FOR PRODUCING OLEFIN POLYMER, AND OLEFIN POLYMER
The present invention provides a metallocene compound that is used in a catalyst for producing an olefin polymer having excellent polymerizability while having a sufficiently high molecular weight, using an industrially advantageous polymerization temperature and polymerization conditions when polymerizing an olefin such as ethylene, and also provides an olefin polymerization catalyst and a method for producing an olefin polymer by using this catalyst. This metallocene compound is represented by general formula [I].
C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic Table
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
84.
RESIN COMPOSITION FOR SOLAR CELL SEALING MATERIALS, SOLAR CELL SEALING MATERIAL USING SAME, AND SOLAR CELL MODULE
Provided are: a resin composition for solar cell sealing materials, which contains an ethylene/α-olefin and has good crosslinkability, heat resistance, transparency and impact resistance; a solar cell sealing material which uses the resin composition; and a solar cell module. A resin composition for solar cell sealing materials, which is characterized by containing (A) an ethylene/α-olefin copolymer that has the characteristics (a1)-(a3) described below, and (B) an organic peroxide. (a1) The number of branches (N) of comonomers in the ethylene/α-olefin copolymer and the total number (V) of vinyl and vinylidene satisfy formula (1): N × V ≥ 10. (In this connection, N and V are numbers per 1,000 carbon atoms in total in the main chain and side chains as determined by NMR.) (a2) The MFR (at 190°C, under a load of 21.18 N) is 0.1-100 g/10 minutes. (a3) The density is 0.860-0.920 g/cm3.
C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers
85.
Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
The present invention is a polyacetal resin composition comprising a polyacetal resin (A) and a polyethylene resin (B), the blending ratio of the polyacetal resin (A) accounting for the total mass of the polyacetal resin (A) and the polyethylene resin (B) being 10 to 90 mass%, the melt flow rate of the polyacetal resin (A) measured under conditions of 190° and a 2.16-kg load being 30 g/10 min or lower, the polyethylene resin (B) being constituted of a modified polyethylene resin, the modification rate if the total mass of the polyethylene resin is 100 mass% being 0.01 mass% or higher, and the melt flow rate of the polyethylene resin (B) measured under conditions of 190°C and a 2.16-kg load being 2.5 g/10 min or lower.
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
87.
Ethylene-based polymer, manufacturing method of ethylene-based polymer and manufacturing method of catalyst for polymerization, and molded article of hollow plastics containing ethylene-based polymer and use thereof
An object of the invention is to provide an ethylene-based polymer excellent in moldability and durability, and also excellent in the balance of stiffness and durability, and to provide a molded product of hollow plastic using the ethylene-based polymer. The ethylene-based polymer according to the invention is an ethylene-based polymer having specific characteristics and manufactured by a homopolymerization of ethylene or a copolymerization of ethylene and α-olefin using a chromium catalyst.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 4/69 - Chromium, molybdenum, tungsten or compounds thereof
C08F 210/14 - Monomers containing five or more carbon atoms
88.
ETHYLENE-BASED POLYMER FOR PRODUCING ABRASION-RESISTANT RESIN MOLDING, ETHYLENE-BASED RESIN COMPOSITION FOR PRODUCING ABRASION-RESISTANT RESIN MOLDING, ABRASION-RESISTANT RESIN MOLDING, AND METHOD FOR PRODUCING SAME
An ethylene-based polymer for producing an abrasion-resistant resin molding, the polymer satisfying (1) to (5). (1) Is either an ethylene homopolymer or a copolymer of ethylene and a C3-20 α-olefin. (2) Is polymerized using a single-site catalyst. (3) Has a weight-average molecular weight Mw that is 300,000 to less than 1,000,000. (4) Has a melting point Tm 130°C to less than 135°C. (5) Has a sand/rubber wheel abrasion test performance of 0.035-0.24 cm3 as measured for a sample fabricated from the ethylene-based polymer.
A polyethylene or similar used in a pipe and/or in a coupling, which has the following properties (i) to (iii). Property (i): high load melt flow rate (HLMFR (W), JIS K7210, at a temperature of 190 ℃ and with a 21.60 kg load) is in the range 5 to 35 g / 10 min. Property (ii): density is in the range 0.945 to 0.960 g/cm³. Property (iii): peak top time in isothermal crystallization at 121.5 ℃, as measured with a differential scanning calorimeter (DSC), is 360 seconds or less.
C08F 4/618 - Pretreating with metals or metal-containing compounds with metals or metal-containing compounds, provided for in at least two of the groups
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
90.
METHOD FOR PRODUCING PLANT FIBER-CONTAINING RESIN COMPOSITION, METHOD FOR PRODUCING GROUND PRODUCT OF MOLDED ARTICLE, AND PLANT FIBER-CONTAINING RESIN COMPOSITION
This method for producing a plant fiber-containing resin composition melts and mixes a base resin and a molded article, wherein plant fibers are dispersed in a resin for fiber dispersion, or a ground product of the molded article. It is preferable for this method for producing a plant fiber-containing resin composition to prepare the molded article using a mixed dispersion liquid that is obtained by mixing a fiber slurry containing the plant fibers and a resin emulsion containing the resin for fiber dispersion.
The present invention provides a polyethylene-based resin composition for a container lid, and a container lid, and the resin composition exhibits excellent moldability, high fluidity, excellent balance between rigidity and impact resistance and excellent resistance to stress cracking, slidability, low odor and food safety properties, resistant to stretching at high temperatures and electron-beam sterilizability when a lid is attached to a container. The present invention is a polyethylene-based resin composition for a container lid that contains 0.01-0.50 parts by weight of a hindered amine-based compound relative to 100 parts by weight of a polyethylene-based resin and is characterized by having the following properties (a) to (f). (a) The melt flow rate (MFR) is 0.5-10 g/10 min, the melt flow rate (HLMFR) is 100-500 g/10 min, and the HLMFR/MFR ratio is 50-200. (b) The density is 0.956-0.980 g/cm3. (c) The flexural modulus of elasticity of an injection molded sample is 990-2000 MPa. (d) The constant strain ESCR of an injection molded sample is 10-400 hours. (e) The tensile elongation at breaking is 190% or lower. (f) The melt viscosity is 470 Pa•s or lower.
POLAR GROUP-CONTAINING OLEFIN COPOLYMER, MULTINARY POLAR OLEFIN COPOLYMER, OLEFIN RESIN COMPOSITION, AND ADHESIVE MATERIAL, LAMINATE, AND OTHER APPLICATION PRODUCTS USING SAME
The present invention pertains to: a polar group-containing olefin copolymer (A') that is polymerized using a transition metal catalyst, that has a weight average molecular weight in a specific range, and that comprises a specific range of a polar group-containing monomer; a multinary polar olefin copolymer (A'') that essentially includes a polar monomer component having a norbornene skeleton and a carboxyl group or an acid anhydride group, and that has at least three types of monomer unit; and a resin composition (C) comprising a specific amount of a polar-group containing olefin copolymer (A) and an olefin resin (B).
C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
C08F 4/80 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from iron group metals or platinum group metals
A resin composition for a solar cell encapsulant containing an ethylene.α-olefin copolymer and an organic peroxide or a silane coupling agent or the like, and having superior heat resistance, transparency, flexibility and adhesion property to a glass substrate, as well as good balance between rigidity and cross-linking efficiency, the solar cell encapsulant and a solar cell module using the same.
(a5) a branch number (N) derived from a comonomer in a polymer satisfying the expression (a).
ETHYLENE POLYMER, PROCESS FOR PRODUCING ETHYLENE POLYMER, PROCESS FOR PRODUCING POLYMERIZATION CATALYST, AND HOLLOW PLASTIC MOLDING COMPRISING ETHYLENE POLYMER AND USE THEREOF
The purpose of the present invention is to provide: an ethylene polymer having excellent moldability and durability and also having an excellent balance between toughness and durability; and a hollow plastic molding produced using the ethylene polymer. The present invention is an ethylene polymer which is produced by performing the homopolymerization of ethylene using a chromium catalyst or the copolymerization of ethylene and an α-olefin using a chromium catalyst, and which has specific properties.
C08F 4/69 - Chromium, molybdenum, tungsten or compounds thereof
C08F 4/78 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from chromium, molybdenum, or tungsten
95.
ETHYLENE-BASED POLYMER, POLYETHYLENE RESIN COMPOSITION AND USE THEREOF, CATALYST INGREDIENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION CONTAINING SAID INGREDIENT, AND PROCESS FOR PRODUCING ETHYLENE-BASED POLYMER USING SAID CATALYST
The purpose of the present invention is to provide: a polyethylene resin composition which has excellent moldability and from which molded objects that are excellent in terms of balance between impact strength and rigidity and of transparency can be produced; and a molded object and a film which are obtained by molding the polyethylene resin composition. This polyethylene resin composition comprises 41-99 wt.% ethylene-based polymer (A) which satisfies specific requirements and 1-59 wt.% ethylene-based polymer (B) which satisfies specific requirements, the composition as a whole having an MFR of 0.05-50 g/10 min and a density of 0.910-0.960 g/cm3.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
The purpose of the present invention is to provide: a polyethylene which can be produced using a novel chromium catalyst having an organic aluminum compound supported thereon and has excellent moldability, excellent impact resistance and an excellent balance between stiffness and durability; a process for producing the polyethylene; and a hollow plastic molding comprising the polyethylene. The polyethylene produced according to the present invention can be produced by polymerization using a chromium catalyst, and has a weight average molecular weight (Mw) of 30,000 or more at a maximum value in a branching degree distribution curve that illustrates the molecular weight dependency of short-chain branches each having 4 or more carbon atoms.
C08F 4/78 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from chromium, molybdenum, or tungsten
C08F 4/69 - Chromium, molybdenum, tungsten or compounds thereof
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
97.
Polyethylene based resin, producing catalyst for the same, method for producing the same, hollow plastic molded article containing polyethylene based resin, and use of the same
3; (3) a strain hardening parameter λmax of elongational viscosity is from 1.05 to 1.50; and (4) a rupture time in a full notch tensile creep test and a density satisfy the following relational expression (A): log(rupture time)≧−355×(density)+337.6(A).
A resin composition for a solar cell encapsulant is provided, containing an ethylene•α-olefin copolymer and an organic peroxide or a silane coupling agent or the like, and having superior heat resistance, transparency, flexibility and adhesion property to a glass substrate, as well as good balance between rigidity and cross-linking efficiency, as well as a solar cell encapsulant, and a solar cell module using the same. The resin composition has an ethylene•α-olefin copolymer (A), having the characteristics (a1) to (a4), along with characteristics (a5) or (a6), and an organic peroxide (B) and/or a silane coupling agent (C).
H02N 6/00 - Generators in which light radiation is directly converted into electrical energy (solar cells or assemblies thereof H01L 25/00, H01L 31/00)
H01L 31/042 - PV modules or arrays of single PV cells
Disclosed are a solar cell module and a solar cell sealing material using a resin composition which contains ethylene/α-olefin copolymers and ethylene functional group-containing monomer copolymers, and which has excellent productivity and transparency, an excellent modulus of elongation, and excellent thermal resistance, adhesiveness, and moisture permeation. The disclosed solar cell sealing material is characterised by using a resin composition which contains components (A, B) satisfying formula (x), as resin components. (a1) density is 0.860-0.920g/cm3 Formula (x): -480x [d] + 425 ≤ [CM] ≤ -480x [d] + 433 (in the formula [d] is the density of component (A), [CM] is the co-monomer inclusion amount (mol%) of component (B)).
Provided is a resin composition for a solar cell sealing material. The resin composition comprises an ethylene⋅α-olefin copolymer and an organic peroxide, a silane coupling agent and so on, and has excellent heat resistance, transparency, and softness and also has a good balance between rigidity and crosslinking efficiency. A solar cell sealing material and a solar cell module are also provided. The resin composition for a solar cell sealing material comprises an ethylene⋅α-olefin copolymer component (A) having the following properties (a1) through (a5), and also comprises an organic peroxide (B) and/or a silane coupling agent component (C). (a1) Density is 0.860 to 0.920 g/cm3; (a2) the ratio (Mz/Mn) of Z-average molecular weight (Mz) and number-average molecular weight (Mn) as found by gel permeation chromatography (GPC) is 8.0 or less; (a3) melt viscosity (η*1) at a shear speed of 2.43×10s-1 as determined at 100ºC is 1.2×105 poise or greater; (a4) melt viscosity (η*2) at a shear speed of 2.43×102s-1 as determined at 100ºC is 2.0×104 poise or greater; and (a5) the number of branches (N) by comonomer in the polymer satisfies formula (a).
