Thermoplastic compositions include: (a) from about 10 wt% to about 85 wt% of a polycarbonate component; (b) from about 2 wt% to about 70 wt% of at least one polycarbonate-siloxane copolymer having a siloxane content of from about 5 wt% to about 45 wt%; (c) from about 2 wt% to about 15 wt% of a phosphazene flame retardant; and (d) from about 10 wt% to about 50 wt% of an inorganic filler comprising glass fiber, carbon fiber, or a combination thereof. The composition is free of per-and polyfluoroalkyl substances (PFAS-free), and has a total siloxane content of at least 1.0 wt%. 40 sample bars prepared according to UL94 having a thickness of from 0.6 millimeter (mm) to 1.0 mm exhibit 1 drip or less after two flame applications according to UL94.
A thermoplastic composition includes particular amounts of a poly(phenylene ether); a polyamide; an impact modifier; a conductive agent; a hydroxy-containing compound comprising bisphenoxyethanol fluorene, a terpene phenolic resin, a novolak resin, or a combination thereof; and a compatibilizing agent; wherein weight percent is based on the total weight of the thermoplastic composition.
Thermoplastic compositions include (a) from about 20 wt% to about 90 wt% of a polyamide resin; and (b) from about 30 wt% to about 55 wt% of a ceramic filler comprising aluminosilicate. The composition has a pencil hardness of "B" or harder as evaluated according to ASTM D3363 using a force of 1 kilogram-force (kgf). The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition.
A thermoplastic composition includes: (a) from about 40 wt% to about 85 wt% of a polycarbonate homopolymer; (b) from greater than 12 wt% to about 30 wt% of a first polycarbonate-siloxane copolymer (PC-Si copolymer) having a siloxane content of from about 35 wt% to about 45 wt%; (c) from about 1 wt% to about 40 wt% of a second PC-Si copolymer having a siloxane content of from about 4 wt% to about 8 wt%; and (d) from about 0.01 wt% to about 2 wt% of at least one type of diffuser beads. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition. The composition has good chemical resistance properties as evaluated after Environmental Stress Cracking Resistance (ESCR) testing according to ISO 22088-3.
22; optionally, an additive composition; and optionally, 5-25 wt% of glass fibers. The polycarbonate composition comprises fluorinated compounds in an amount effective to provide 1500 ppm or less fluorine to the total composition. A molded sample of the polycarbonate composition has a UL-94 rating of 5V at a thickness of 3.0 millimeters.
An ultrasonically weldable part comprising improved weld strength and chemical resistance comprises a thermoplastic composition comprising a poly(carbonate-siloxane) composition comprising: a poly(carbonate-siloxane) comprising 30 to 70 wt % siloxane repeating units present in an amount effective to provide less than 6 wt % siloxane repeating units, based on the total weight of the thermoplastic composition, or a poly(carbonate-siloxane) comprising 30 to 70 wt % siloxane repeating units and a poly(carbonate-siloxane) comprising 2 wt % to less than 30 wt % siloxane repeating units, optionally, a polycarbonate, and optionally an additive composition, wherein the siloxane domain of a molded sample of the thermoplastic composition has an average diameter of 70 nm or less, measured using atomic force microscopy.
A thermoplastic composition includes: (a) from about 35 wt% to about 70 wt% of a polymer resin including from about 10 wt% to about 50 wt% of a first polyethylene polymer having a MFR of less than 200 g/10 min and from about 10 wt% to about 50 wt% of a second polyethylene polymer having a MFR of greater than 200 g/10 min; (b) from about 20 wt% to about 45 wt% of at least one graphite filler; and (c) from about 10 wt% to about 20 wt% of a carbon black filler. The composition has a steady-state capillary viscosity of between 400 and 620 Pascal seconds (Pa.s) when observed at 280 °C and 1,000 1/s, and (1) an NII strength at 23 °C of at least 24 Joules per meter (J/m) or (2) an UNII strength at 23 °C of at least 135 J/m.
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
A composition includes a thermoplastic resin including: a polypropylene polymer; and from about 0.15 wt % to about 4.75 wt % of a filler comprising carbon nanotubes. The carbon nanotubes have an average diameter of about 5-15 nanometers (nm), a surface area of at least about 100 square meters per gram (m2/gr), and a volume resistivity of 10−3 Ohm·centimeters (Ohm·cm) or lower. The composition exhibits a volume electrical resistivity between 2.0E+14 Ohm·cm and 1.0E+03 Ohm·cm, and a molded sample of the composition exhibits a percent Absorbed Power measured in Transmission mode of at least 65% at frequencies of from about 75 GHz to about 110 GHz. Molded articles including micron-sized features that provide the article with high absorption and low reflection properties are also described.
A polymer composition includes: a matrix polymer component including a polystyrene polymer; and 0.005 wt % to 9 wt. %, based on the weight of the polymer composition, of a fluoropolymer component including a fibrillated fluoropolymer, a fibrillated fluoropolymer encapsulated by an encapsulating polymer, or a combination thereof. The polymer composition has a weight average molecular weight (Mw) below 193,000 grams per mole (g/mol) as determined according to gel permeation chromatography (GPC) using polystyrene standards. The polymer composition has a tensile modulus between 3300 and 3800 Megapascals (MPa) as tested in accordance with ISO 527. Methods for forming the polymer composition include passing a molten feed composition including the matrix polymer component and the fluoropolymer component through a die to form the polymer composition.
B29C 44/50 - Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
B29K 509/00 - Use of inorganic materials not provided for in groups , as filler
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
A thermoplastic composition includes particular amounts of a poly(methyl methacrylate) and a radial hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene having a particular alkenyl aromatic content. Methods for making the composition and articles made from the composition are also provided.
A foamed polymer composition includes: a matrix polymer component including polystyrene (PS), copolymers thereof, or a combination thereof; and from 0.003 wt % to 0.15 wt %, based on the weight of the polymer composition, of a fluoropolymer component including a fibrillated fluoropolymer, a fibrillated fluoropolymer encapsulated by an encapsulating polymer, or a combination thereof. The composition has a specific compressive strength of from 8 to 65 kilopascals per cubic meter (kPa·m3/kg) or in some aspects from 8 to 35 kPa·m3/kg, or from 12 to 65 kPa·m3/kg, or from 12 to 35 kPa·m3/kg, as determined using a Universal Test Machine in accordance with ISO 844. Methods for making a foamed polymer composition are also described.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
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
A thermoplastic composition includes: (a) from about 10 wt% to about 90 wt% of a polycarbonate component including a polycarbonate homopolymer; (b) from about 5 wt% to about 20 wt% of a poly (carbonate-siloxane) copolymer having a siloxane content of from 10 wt% to 45 wt%; (c) from about 5 wt% to about 25 wt% of a glass fiber; and (d) at least one phosphorous-based flame retardant. The at least one phosphorous based flame retardant provides a total phosphorous content of from 0.22 wt% to 0.37 wt% to the composition. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition. In some aspects the compositions have good UL94 flame retardant and high heat (e.g., ball pressure test) performance.
A laminated foam article includes a foam core and fiber-reinforced skins adhered to opposing major surfaces of the foam core. The foam core includes specific amounts of a poly(phenylene ether), a polystyrene or rubber-modified polystyrene or combination thereof, a block copolymer that includes a polystyrene block and a polybutadiene block or a block copolymer that includes a polystyrene block and a hydrogenated polybutadiene block or a combination thereof, and an organophosphate flame retardant. The fiber-reinforced skins include specific amounts of reinforcing fibers and a thermoplastic skin composition. Also described is a method of forming the laminated foam article, and a battery pack that includes the laminated foam article.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
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 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
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 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B32B 37/06 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure
14.
THERMOPLASTIC COMPOSITION, METHOD FOR THE MANUFACTURE THEREOF, AND ARTICLE MADE THEREFROM
A thermoplastic composition includes particular amounts of a polyphenylene ether, a poly(phenylene ether)-poly(siloxane) block copolymer, a reinforcing filler, an organophosphate flame retardant, and an impact modifier comprising a hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene. Methods for the manufacture of the composition and articles comprising the composition are also disclosed.
A composition includes particular amounts of a polyphenylene ether, a polystyrene, a block copolymer of an alkenyl aromatic and a conjugated diene, and a flame retardant. The composition, after foaming with a blowing agent, has a density of less than 0.5 g/cm3. Methods of making the composition are also described.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
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
Thermoplastic compositions include: a) from about 10 wt% to about 97 wt% of a first thermoplastic polymer component comprising polyetherimide (PEI), polyaryletherketone (PAEK), or a combination thereof; b) from about 0.1 wt% to about 10 wt% of a second chemically reactive polyetherimide (r-PEI) component that is different from the first polyetherimide component; and c) from about 2 wt% to about 10 wt% of a reactive polyolefin compatibilizer component. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition. In certain aspects a molded sample of the composition has no delamination or plate-out as evaluated according to a visual observation.
C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chainCompositions of derivatives of such polymers
C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
C08L 23/0846 - Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
A polycarbonate composition includes particular amounts of a linear polycarbonate, a first poly(carbonate-siloxane) copolymer, a second poly(carbonate-siloxane) copolymer and optionally, one or more of a branched polycarbonate, a highly branched polycarbonate, or a second linear polycarbonate. Methods for the manufacture of the composition are also disclosed. The compositions can be particularly useful in the preparation of various articles, particularly thin-walled articles for application where a high degree of chemical resistance is desired.
A polymer blend composition including 99.9 to 0.1 weight percent, preferably 99.9 to 10 weight percent, more preferably 99.9 to 30 weight percent of a sulfonated poly(arylene ether), its metal salt, or a combination thereof, preferably the metal salt of the sulfonated poly(arylene ether), and 0.1 to 95 weight percent, preferably 0.1 to 90 weight percent, more preferably 0.1 to 70 weight percent of a poly etherimide; wherein the polymer blend composition has a single glass transition temperature. The polymer blend composition can be used in selectively permeable separation membranes. Alternatively, a selectively permeable separation membrane can include a first polymer layer wherein the polymer is 100 weight percent of a sulfonated poly(arylene ether), its metal salt, or a combination thereof, and a second layer including a polyetherimide, or the blend of the sulfonated poly( arylene ether), its metal salt, or a combination thereof, and the polyetherimide.
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
B01D 71/64 - PolyimidesPolyamide-imidesPolyester-imidesPolyamide acids or similar polyimide precursors
B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
19.
POLY(ARYLENE ETHERS) AND THERMOSETTING AND CURED COMPOSITIONS THEREOF
10-3010-30 hydrocarbyl substituent and the poly(arylene ether) comprises at least one end group that is not a phenolic hydroxyl group. A thermosetting composition is composed of the poly(arylene ether), a thermoset, a monomer, oligomer, or polymer with ethylenic unsaturation, optionally a hydrocarbon resin, and optionally a curing catalyst or initiator. A cured composition is formed by heating the thermosetting composition made from the poly(arylene ether) for a time and temperature sufficient to effect curing.
C08G 65/44 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols by oxidation of phenols
20.
COMPATIBILIZED POLYAMIDE-POLY(ARYLENE ETHER) COMPOSITIONS AND USES THEREOF
A compatibilized polyamide-poly(arylene ether) composition, being the product of melt-blending: 20-75 wt% of upcycled polyamide-6 having an average amine end group content of 10-120 meq/kg, post-industrial recycle polyamide-6,6 or polyamide-6 having an average amine end group content of 30-50 meq/kg, biosourced polyamide-4,10 having an average amine end group content of 5-70 meq/kg, or biosourced polyamide-6,10 having an average amine end group content of 40-66, and optionally, 0.01-10 wt% of virgin polyamide; 5-70 wt% of poly(arylene ether); 2-15 wt% of hydrogenated or unhydrogenated block copolymer; 0.2-2 wt% of compatibilizing agent; 0.05-10 wt% of an additive composition; 0-0.8 wt% of titanium dioxide; 0.01-2 wt% of a stabilizer; and 10-40 wt% of glass fibers, wherein the composition can exhibit a good balance of one or more of melt-volume flow rate Vicat softening temperature, impact properties, coefficient of thermal expansion, and water uptake. Manufacturing of compositions and articles including compositions are described.
A polycarbonate composition includes particular amounts of a bisphenol A homopolycarbonate, a polycarbonate including repeating units derived from a substituted or unsubstituted cyclohexylidene-bridged bisphenol, and a polyester-carbonate. The composition can exhibit a combination of desirable properties, including low haze and good scratch resistance. Methods for the manufacture of the composition and articles including the composition are also disclosed.
Thermoplastic compositions include: a. from about 10 wt% to about 85 wt% of a polycarbonate component; b. from greater than 10 wt% to about 50 wt% of a polyester component; and c. from about 5 wt% to about 40 wt% of a polycarbonate-siloxane copolymer having a siloxane content of from 25 wt% to 60 wt%. The polycarbonate component in a. is different from the polycarbonate-siloxane copolymer in c. The composition comprises less than 1.0 wt% of a styrene-acrylonitrile encapsulated polytetrafluoroethylene (TSAN). In certain aspects the composition is fluorine-free. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition.
A linear block copolymer includes at least one block A comprising a phenylene ether oligomer comprising repeating units derived from a substituted or unsubstituted monohydric phenol; and at least one block B comprising a hydrocarbon resin. The linear block copolymer can be particularly useful in curable compositions, thermoset compositions, and articles formed therefrom.
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
C08G 65/44 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols by oxidation of phenols
C08G 65/48 - Polymers modified by chemical after-treatment
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
24.
THERMOPLASTIC COMPOSITION, METHOD FOR THE MANUFACTURE THEREOF, AND ARTICLES COMPRISING THE COMPOSITION
A molded article includes a composition having particular amounts of a polyamide, a polyphenylene ether, and a polyetherester amide. The molded article may be an automotive component. Methods for the manufacture of the composition and articles made from the composition are also disclosed.
Thermoplastic compositions include from about 20 wt % to about 80 wt % of a polyphenylene ether (PPE), from about 1 wt % to about 30 wt % of a polystyrene resin that does not include a rubber component, and from about 0.01 wt % to about 10 wt % of a chemically reactive impact modifier. The combined weight percent value of all components does not exceed 100 wt %, and all weight percent values are based on the total weight of the composition. The compositions are resistant to bubbling upon processing.
A thermoplastic composition including: a polyester including a poly(alkylene arylate); optionally, a polyetherimide; a flame retardant composition comprising a dialkyl phosphinic acid salt, and optionally; optionally an auxiliary flame retardant comprising melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, melamine phosphate, or a combination thereof; a mineral flame retardant synergist comprising a modified fibrillated magnesium silicate, a modified fibrillated aluminum silicate, or a combination thereof; optionally, glass fibers; and optionally, an additive composition; wherein the sum of the wt% of the polyester, the flame retardant composition, the mineral flame retardant synergist, the optional polyetherimide, the optional glass fibers, and the optional additive composition total 100 wt%, and wherein the thermoplastic composition comprises 1500 ppm or less of intentionally added fluorine, and a sample of the thermoplastic composition exhibits a UL 94 flame test rating of V-0 at a thickness of 1.5 mm.
Thermoplastic compositions include: a. from about 30 wt% to about 60 wt% of a polycarbonate homopolymer component; b. from about 25 wt% to about 35 wt% of a polycarbonate-siloxane copolymer; c. from about 20 wt% to about 50 wt% of an additional polycarbonate copolymer; and d. from about 0.0125 wt% to about 0.0175 wt% of a borate salt. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition. A housing for an outdoor-mounted article and a method for making a housing for an outdoor-mounted article are also described.
Thermoplastic compositions include: a. from about 10 wt% to about 90 wt% of a polycarbonate homopolymer component; b. from about 1 wt% to about 90 wt% of a polycarbonate copolymer component; c. from about 1 wt% to about 15 wt% of a flame retardant component including a spirocyclophosphazene flame retardant additive; and d. from about 0.05 wt% to about 15 wt% of at least one additional additive. The compositions have improved UL94 flame retardant ratings and high heat distortion temperature (HDT) properties.
Thermoplastic compositions include: a. from about 1 wt% to about 70 wt% of a polycarbonate homopolymer component; b. from about 10 wt% to about 40 wt% of a polybutylene terephthalate (PBT) component; c. from about 5 wt% to about 30 wt% of a polycarbonate copolymer component; and d. from about 1 wt% to about 15 wt% of a flame retardant component comprising a cyclic phosphazene compound having an oxaphosphorin ring-containing structure. The compositions have improved heat resistance and flame retardant properties.
A polyetherimide composition includes 60-100 wt% of a polyetherimide component, and 0-40 wt% of a polyester-carbonate; 1-10 wt% of a cyclic phenylphenoxy phosphazene of the formula (I) wherein n is an integer of 3-8; R1and R21-81-86-206-201-66-206-20 aryl, or R1and R21-61-6 alkyl group or a carbonyl group, a and b are each independently an integer of 0-4, and each phosphazene unit is the same or different; wherein a molded sample of the polyetherimide composition has a UL 94 V0 rating at a thickness of greater than or equal to 0.6 mm
Thermoplastic compositions include: a) from about 30 wt% to about 60 wt% of at least one crystalline or semi-crystalline polymer; b) from about 5 wt% to about 20 wt% of at least one polycarbonate-siloxane copolymer; and c) from greater than 5 wt% to less than 25 wt% of a polyetherimide (PEI) polymer. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition. The compositions have low warpage and good chemical resistance properties.
Thermoplastic compositions include: from about 10 wt % to about 80 wt % of a chemically recycled polyester component; from about 10 wt % to about 60 wt % of a reinforcing filler; and from about 5 wt % to about 20 wt % of a polycarbonate component. The thermoplastic composition has an improved metal bonding strength as compared to a comparative composition that includes a virgin polyester component instead of the chemically recycled polyester component. Methods for forming thermoplastic compositions are also described.
Thermoplastic compositions include: a) from about 30 wt% to about 75 wt% of a polymer base resin including polycarbonate, polybutylene terephthalate, polyamine, polyphenylene sulfide, polyetherimide, polyphenylene oxide, copolymers thereof, or a combination thereof; b) from about 5 wt% to about 20 wt% of a carbon fiber having a tensile modulus of at least 200 GPa; c) from about 5 wt% to about 45 wt% of a first reinforcing filler including a flat glass fiber, a round glass fiber, or a combination thereof; and d) from about 0.1 wt% to about 2 wt% of at least one additional additive. The composition has a density of no more than 1.60 g/cm3, a flexural modulus of at least 12 GPa, and an EMI shielding effectiveness of no more than 35 dB at a frequency of from 1 GHz to 6 GHz.
C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chainCompositions of derivatives of such polymers
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
34.
POLYCARBONATE COMPOSITION, METHOD FOR THE MANUFACTURE THEREOF, AND ARTICLES PREPARED THEREFROM
A polycarbonate composition includes particular amounts of a polycarbonate, a polycarbonate-siloxane copolymer, a triazine-containing UV absorbing agent, and phosphazene flame retardant. The composition can provide a desirable combination of properties. Methods for the manufacture of the composition and articles including the composition are also disclosed.
A multilayer part consists of: a first layer having a thickness greater than 0.8 mm consisting of a first polymer and from about 0.1 wt. % to about 30 wt. % of a first electrically conductive carbon-based filler component; a second layer disposed adjacent a surface of the first layer consisting of a second polymer composition consisting of at least a second polymer and from about 0.01 wt. % to about 3 wt. % of a second electrically conductive carbon-based filler component; and an intervening third layer consisting of an adhesive such that the adhesive is disposed between the first layer and the second layer. A ratio of a thickness of the first layer to the second layer is from 1:1 to 20:1. The first electrically conductive carbon-based filler component consists of a different filler or combination of fillers than the second electrically conductive carbon-based filler component.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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
A thermoplastic composition includes: a) from about 30 wt% to about 85 wt% of a polyamide resin; b) from about 1 wt% to about 25 wt% of a polycarbonate-siloxane copolymer; c) from about 5 wt% to about 40 wt% of a glass fiber; and d) a carbon filler component including d1) from greater than 0.1 wt% to less than 1 wt% carbon fiber, d2) from greater 1 wt% to less than 5 wt% carbon black, or d3) from greater than 1 wt% to less than 5 wt% multi-wall carbon nanotubes (MWCNTs). The composition exhibits a percent Absorbed Power measured in Transmission mode of at least 70% when observed according to a Free Space method at a frequency of 77 GHz. The composition exhibits an ε' of at least 5 and an ε" of no more than 4, wherein ε' and ε" are evaluated according to a Free Space Method.
Thermoplastic compositions include: a) from about 20 wt% to about 50 wt% of a PPS (polyphenylene sulfide) polymer; b) from about 0.1 wt% to about 15 wt% of an at least partially hydrogenated hydrocarbon polymer; c) from about 25 wt% to about 50 wt% of a magnesium hydroxide filler which is surface treated with an organosilane-based coating, and which has a primary average particle size of no more than 2 pm, wherein average particle size is determined by scanning electron microscopy; and d) from about 20 wt% to about 40 wt% of a reinforcing fibrous filler. The at least partially hydrogenated hydrocarbon polymer has the chemical formula: (I) wherein n is an integer of from 2 to 8. The compositions have high voltaic tracking resistance and improved impact strength.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
A thermoplastic composition comprises: a poly(arylene ether) composition comprising a poly(arylene ether) and optionally, a poly(arylene ether siloxane); one or more hydrogenated block copolymers derived from an alkenyl aromatic monomer comprising styrene and a conjugated diene, an organophosphorus flame retardant present in an amount effective to provide at least 0.9 wt% phosphorus, based on the total weight of the thermoplastic composition; wherein a sample of the composition has a laser transmittance of greater than 10% at a wavelength of 980 nm and a sample thickness of 2.0 mm, a UL94 5VA rating at a thickness of 2.0 mm, a UL94 5VB rating at a thickness of 2.0 mm, and a UL94 rating of V0 at a thickness of 1.5 mm or less, and an f1 rating according to the UL746C standard, and wherein the composition comprises 0 to 1000 ppm carbon black. The thermoplastic compositions are suitable for laser welding.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
Thermoplastic compositions including a poly(arylene ether) composition, one or more hydrogenated block copolymers derived from an alkenyl aromatic monomer comprising styrene and a conjugated diene, an organophosphorus flame retardant, and optional components can have a UL94 5VA rating at a thickness of 1.5 mm or less, a UL94 5VB rating at a thickness of 1.5 mm or less, and a UL94 rating of V0 at a thickness of 1.5 mm or less, and a notched impact strength of at least 168 J/m at 23 °C according to ASTM D256, or a heat deflection temperature of 130 °C or greater when measured at a force of 0.45 megapascals according to ASTM D638, or a combination thereof.
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
A polycarbonate composition includes particular amounts of a bisphenol A homopolycarbonate, a first polycarbonate-siloxane copolymer having a siloxane content of 4 to 10 weight percent, based on the total weight of the first polycarbonate-siloxane copolymer, and a second polycarbonate-siloxane copolymer having a siloxane content of greater than 30 to 70 weight percent, based on the total weight of the second polycarbonate-siloxane copolymer. The composition can provide a desirable combination of properties, including good flame performance, chemical resistance, and aesthetic properties.
A method for the preparation of a 3-nitro-N—(C1-13 alkyl)phthalimide composition comprises reacting a 3-nitro phthalic acid to provide 3-nitro-phthalic anhydride, optionally in the presence of a solvent, and reacting 3-nitro-phthalic anhydride with a C1-13 alkylamine optionally in the presence of a solvent to provide the 3-nitro-N—(C1-13 alkyl)phthalimide composition comprising 3-nitro-N—(C1-13 alkyl)phthalimide and optionally, 4-nitro-N—(C1-13 alkyl)phthalimide. The 3-nitro-N—(C1-13 alkyl)phthalimide composition can have undetectable levels of 4-nitro-N—(C1-13 alkyl)phthalimide, and consequently, polyetherimides ultimately derived from the 3-nitro-N—(C1-13 alkyl)phthalimide composition can be enriched in 3,3′ linkages and/or exclude 3,4′ and 4′4 linkages. The polyetherimides disclosed can have improved flow and a decreased yellowness index.
Thermoplastic compositions include: from 35 wt% to 59 wt% of at least one polyethylene polymer; from 25 wt% to 45 wt% of at least one graphite filler; and from 16 wt% to 22 wt% of at least one carbon black filler having a BET surface area of at most 600 square meters per gram (m2/g) as determined in accordance with ASTM D3037, an oil absorption number (OAN) of at most 300 ml/ 100g as determined in accordance with ASTM D2414, and an iodine absorption of at most 600 mg/g as determined in accordance with ASTM D1510. The composition has a volume electrical resistivity of at most 1.65 ohm. centimeter (ohm.cm), and a capillary melt viscosity of at most 3300 Pascal-seconds (Pa s) at a temperature of 280 °C and a shear rate of 100 reciprocal seconds (1/s).
A composition includes particular amounts of a polyphenylene ether, a polystyrene, an impact modifier, and a halogenated flame retardant. The composition, after foaming with a blowing agent, has a density of less than 0.5 g/cm3. Methods of making the compositions and articles including the composition are also described.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment 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
C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
A sulfonated poly(phenylene ether) comprises phenylene ether repeating units and has a degree of sulfonation of 20 to 50% and a sulfonyl chloride (—SO2Cl):sulfonic acid (—SO3H) molar ratio of less than or equal to 0.06. The sulfonated poly(phenylene ether) can be used in a membrane such as for gas and ion exchange-based separations. Methods for the manufacture of the sulfonated poly(phenylene ether) are also described.
C08G 65/48 - Polymers modified by chemical after-treatment
B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
45.
Polyphenylene Ether Composition With Excellent Flammability and Dielectric Properties
Disclosed herein are compositions comprising: from about 35 wt. % to about 85 wt. % of a polyphenylene ether component; from about 1 wt. % to about 55 wt. % of a polystyrene component; and from about 5 wt. % to about 25 wt. % of a flame retardant agent comprising an aromatic phosphoric ester comprising a compound according to Formula I, wherein each occurrence of R may be independently unsubstituted or substituted C1-C12 hydrocarbyl and at least one R is not unsubstituted; n has an average value of 1 or more, wherein the combined weight percent value of all components does not exceed 100 wt. % based on the total weight of the composition. The composition exhibits at least a V1 flame rating at 1.5 mm measured according to UL 94 and a dissipation factor less than 0.002 when tested using a split post dielectric resonator and network analyzer.
Disclosed herein are compositions comprising: from about 35 wt. % to about 85 wt. % of a polyphenylene ether component; from about 1 wt. % to about 55 wt. % of a polystyrene component; and from about 5 wt. % to about 25 wt. % of a flame retardant agent comprising an aromatic phosphoric ester comprising a compound according to Formula I, wherein each occurrence of R may be independently unsubstituted or substituted C1-C12 hydrocarbyl and at least one R is not unsubstituted; n has an average value of 1 or more, wherein the combined weight percent value of all components does not exceed 100 wt. % based on the total weight of the composition. The composition exhibits at least a V1 flame rating at 1.5 mm measured according to UL 94 and a dissipation factor less than 0.002 when tested using a split post dielectric resonator and network analyzer.
A compatibilized polyamide-poly(arylene ether) composition is the product of melt-blending particular amounts of a virgin polyamide, a second polyamide, a poly(arylene ether), an impact modifier, and a compatibilizing agent. The second polyamide includes an upcycled polyamide or a post-industrial recycled polyamide and has an amine end group concentration that is less than an amine end group concentration of the virgin polyamide. The compositions can provide a desirable combination of properties. Methods for the manufacture of the compositions and articles comprising the compositions are also described.
A compatibilized polyamide-poly(arylene ether) composition is the product of melt-blending particular amounts of a virgin polyamide, a second polyamide, a poly(arylene ether), an impact modifier, and a compatibilizing agent. The second polyamide includes an upcycled polyamide or a post-industrial recycled polyamide, preferably a post-industrial mechanically recycled polyamide, and has an amine end group concentration that is less than or equal to an amine end group concentration of the virgin polyamide. The compositions can provide a desirable combination of properties. Methods for the manufacture of the compositions and articles comprising the compositions are also described.
A copolymer includes a metal salt of a sulfonated poly(arylene ether) including particular amounts of repeating units of the formulas (I) wherein Z1, Z2, and X are as defined herein. The copolymer can be particularly useful as a selectively permeable separation membrane, for example for separating an olefin from an olefin-paraffin stream.
C08G 65/48 - Polymers modified by chemical after-treatment
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
Methods of forming a ceramic-polymer composite powders comprise: superheating a mixture of polymer, solvent, and ceramic, to dissolve the polymer in the solvent; agitating the superheated mixture while substantially maintaining the mixture at an elevated temperature and pressure; and cooling the mixture to cause the polymer to precipitate on the particles of the ceramic and thereby form a plurality of the present polymer-ceramic core-shell particles. Methods of molding a part comprise subjecting a powder of the present polymer-ceramic core-shell particles that substantially fills a mold to a first pressure while the powder is at or above a first temperature above a melting temperature (Tm) of the polymer. The ceramic can be selected from the group of ceramics consisting of: Al2O3, Fe2O3, ZnO, ZrO2, and SiO2. The polymer can be selected from the group of polymers consisting of: PC copolymers, polyetherimide (PEI), polyetherimide (PEI) copolymers, polyphenylsulfone (PPSU), polyarylethersulfone (PAES), and polyether sulfones (PES).
POLYMER-CERAMIC COMPOSITE ARTICLES WITH LOW DISSIPATION FACTOR AND HIGH DIELECTRIC CONSTANT, AND CORE-SHELL PARTICLE POWDERS AND PROCESSES FOR MAKING SUCH ARTICLES
Polymer-ceramic composite articles with relatively low dissipation factor (Df) and relatively high dielectric constant (Dk), as well as polymer-ceramic core-shell powders and pellets adapted for making such composite articles. The ceramic-polymer composites, in powder and/or pellet forms, comprise a plurality of core-shell particles, where: each of the core-shell particles comprises a core and a shell around the core; the core comprises a ceramic that is selected from the group of ceramics consisting of: BaTiO3, SrTiO3, TiO2, CaTiO3, MgTiO3, and combinations of any two or more thereof; and the shell comprises a polymer selected from the group of polymers consisting of: polyetherimide (PEI), polyetherimide (PEI) copolymers, polyphenylene ether (PPE), polyphenylene sulfide (PPS), polyaryl ether ketone (PAEK), polypropylene (PP), polytetrafluoroethylene (PTFE), perfluoroalkoxy alkane (PFA), fluorinated ethylene propylene (FEP), ethylene tetrafluoroethylene (ETFE), polyvinylidene fluoride (PVDF), and ethylene chlorotrifluoroethylene (ECTFE). The core-shell particles can be in a powder form (e.g., a dry powder). In pellet form, shells of adjacent core-shell particles are joined to resist separation of the adjacent core-shell particles and deformation of a respective pellet. Methods of forming a ceramic- polymer composite comprise: superheating a mixture of the polymer (PEI, PEI copolymers, PPE, PPS, PAEK, PP, PTFE, PFA, FEP, ETFE, PVDF, and/or ECTFE), solvent, and the ceramic (BaTiO3, SrTiO3, TiO2, CaTiO3, and/or MgTiO3), to dissolve the polymer in the solvent; agitating the superheated mixture while substantially maintaining the mixture at an elevated temperature and pressure; and cooling the mixture to cause the polymer to precipitate on the particles of the ceramic and thereby form a plurality of the present polymer-ceramic core-shell particles. Methods of molding a part comprise subjecting a powder or pellets of the present polymer-ceramic core-shell particles that substantially fills a mold to a first pressure while the powder is at or above a first temperature above a glass transition temperature (Tg) or if no Tg then above a melting temperature (Tm) of the polymers.
A composition including a (poly)isocyanate compound and a capped poly(arylene ether) copolymer, wherein the capped poly(arylene ether) copolymer is derived from reacting a capping agent and an uncapped poly(arylene ether) copolymer comprising a phenolic end group, the uncapped poly(arylene ether) copolymer is the product of oxidative copolymerization of a monomer comprising a monohydric phenol, a dihydric phenol, or a combination thereof, and optionally a hydroxyaromatic terminated siloxane, and the capped poly(arylene ether) copolymer comprises an end group comprising an aliphatic alcohol.
A composition includes a polyfunctional poly(arylene ether) having an end group including a linking group and a terminal functional group, wherein the terminal functional group comprises a hydroxyl group or a salt thereof, and the linking group comprises a substituted or unsubstituted saturated hydrocarbylene group, or a substituted or unsubstituted saturated poly(hydrocarbylene ether) and a polyol. The composition is substantially free of a volatile organic solvent or the composition includes 0-5,000 ppm of a poly(arylene ether) comprising a linking group comprising a carbonate functional group, an ester functional group, or a combination thereof. A method for the manufacture of a polyfunctional poly(arylene ether) is also disclosed.
A polyfunctional poly(arylene ether) includes an end group including an end group, wherein the end group includes a linking group including a substituted or unsubstituted saturated hydrocarbylene or a substituted or unsubstituted saturated poly(hydrocarbylene ether), and a terminal functional group including a hydroxyl group, a salt thereof, or a combination thereof, wherein the linking group includes 0 to 5,000 ppm of a carbonate functional group, 0 to 5,000 ppm of an ester functional group, or a combination thereof.
A curable composition includes a polyfunctional poly(arylene ether) having an end group including a linking group and a terminal functional group, wherein the terminal functional group comprises a hydroxyl group or a salt thereof, and the linking group comprises a substituted or unsubstituted saturated hydrocarbylene group, or a substituted or unsubstituted saturated poly(hydrocarbylene ether), a curable component, and optionally, one or more of a crosslinking agent, a curing agent, a curing catalyst, a curing initiator, or a combination thereof. The curable composition can be useful in providing cured compositions, such as thermoset compositions, for a variety of applications.
A thermoplastic polyurethane composition is formed by the reaction of a specific bifunctional poly(arylene ether) having an end group, wherein the end group comprises a linking group comprising a substituted or unsubstituted saturated hydrocarbylene group or a substituted or unsubstituted saturated poly(hydrocarbylene ether), and a terminal functional group comprising a hydroxyl group or a salt thereof, with an organic diisocyanate. The thermoplastic polyurethane compositions can exhibit improved dielectric properties. Methods for the manufacture of the thermoplastic polyurethane compositions and articles derived therefrom are also described.
A polyfunctional poly(arylene ether) includes an end group including a linking group and a terminal functional group, wherein the linking group includes a substituted or unsubstituted saturated hydrocarbylene group, or a substituted or unsubstituted saturated poly(hydrocarbylene ether), and wherein the terminal functional group includes the formula -X- T, wherein each occurrence of X is independently an oxygen or substituted or unsubstituted nitrogen, and each occurrence of T is independently a reactive end group and optionally hydrogen, and wherein the polyfunctional poly(arylene ether) includes at least one reactive end group.
Thermoplastic compositions include: (a) from about 10 wt% to about 90 wt% of a polycarbonate component; (b) from about 2 wt% to about 40 wt% of a polycarbonate- siloxane (PC-Si) copolymer, wherein the PC-Si copolymer has a siloxane content of at least 25 wt%; (c) from about 2 wt% to about 15 wt% of a bisphenol A bis(diphenyl phosphate) (BPADP) flame retardant; and (d) from about 0.05 wt% to about 2 wt% of a polytetrafluoroethylene (PTFE) flame retardant. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition.
Thermoplastic compositions include: (a) from about 10 wt% to about 85 wt% of a mechanically recycled polycarbonate; (b) from about 2 wt% to about 15 wt% of a polycarbonate-siloxane (PC-Si) copolymer, wherein the PC-Si copolymer has a siloxane content of at least 25 wt%; (c) from about 0.1 wt% to about 20 wt% of a flame retardant component; (d) from about 0.01 wt% to about 2 wt% of an anti-drip agent comprising polytetrafluoroethylene (PTFE); and (e) from greater than 0 wt% to about 10 wt% talc. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition.
A polycarbonate composition comprises a linear homopolycarbonate and optionally, a styrene-containing copolymer; a poly(carbonate-siloxane) comprising about 10 wt % to less than about 30 wt % siloxane, present in amount effective to provide about 1 to about 6 wt % siloxane, based on the total weight of the composition; an ultra-high molecular weight poly dimethylsiloxane, present in an amount effective to provide greater than about 0.3 to less than about 0.9 wt % siloxane, based on the total weight of the composition; a flame retardant; and optionally, an additive composition. Molded samples of the polycarbonate compositions have a UL94 flame test rating or V-0 at a 1.5 mm thickness, exhibit anti-drip properties, and can be essentially halogen-free, i.e., the polycarbonate compositions include about 900 parts per million (ppm) or less of each of chlorine, bromine, and optionally fluorine and also include about 1500 ppm or less of total chlorine, bromine, and fluorine content.
A polycarbonate composition comprises a linear homopolycarbonate and optionally, a styrene-containing copolymer; a poly(carbonate-siloxane) including about 10 to less than about 30 wt % siloxane, present in amount effective to provide about 1 to about 6 wt % siloxane, based on the total weight of the composition; a poly(carbonate-siloxane) having about 30 to about 70 wt %, present in an amount effective to provide greater than about 0.3 wt % siloxane, based on the total weight of the composition; a flame retardant; and optionally, an additive composition. Molded samples can have a UL94 flame test rating or V-0 at one or both of 1.5 mm and 2.9 mm thickness, can exhibit anti-drip properties, and can be essentially halogen-free, i.e., the polycarbonate compositions can include about 900 ppm or less of each of chlorine, bromine, and optionally fluorine and also can include about 1500 ppm or less of total chlorine, bromine, and fluorine.
Thermoplastic compositions include: (a) from about 10 wt% to about 40 wt% of a PBT (polybutylene terephthalate) component; (b) from about 5 wt% to less than 10 wt% of a glass fiber component; (c) from about 50 wt% to about 70 wt% of a mineral filler component including aluminum silicate, aluminum oxide, magnesium oxide, or a combination thereof; (d) from about 0.1 wt% to about 10 wt% of an impact modifier component comprising from about 0.4 wt% to about 3.5 wt% of an ethylene-ethyl acrylate copolymer (EEA) and from about 0.5 wt% to about 3 wt% of an ethylene-methyl acrylate-glycidyl methacrylate terpolymer (EMAGMA); and optionally a polycarbonate-siloxane copolymer component. The composition does not include a polycarbonate copolymer other than the optional polycarbonate-siloxane copolymer in element (e). The composition has a comparative tracking index number (CTI) rating of PLC-0 as determined in accordance with UL746A.
A polycarbonate composition including a linear homopolycarbonate; a branched polycarbonate; a non-fluorinated flame retardant comprising an organophosphorus flame retardant comprising a phosphorus-nitrogen bond, a poly(carbonate-siloxane) comprising greater than 10 wt% to less than or equal to 30 wt% siloxane repeating units, based on the total weight of the poly(carbonate-siloxane), a colorant composition comprising greater than 4 wt% of titanium dioxide; and optionally, an additive composition; wherein the linear homopolycarbonate, the branched polycarbonate, the non-fluorinated flame retardant, the poly(carbonate-siloxane), the colorant composition, and the optional additive composition total 100 wt%; and wherein a sample of the composition has a UL-94 flammability test rating of V-0 at a thickness of 1.5 mm or thinner.
Thermoplastic compositions include: from about 35 wt % to about 65 wt % of at least one polyphenylene sulfide (PPS) polymer; and a combination of at least two carbon-based fillers, including a first carbon-based filler including graphite and a second carbon-based filler including carbon powder, carbon nanotubes, or a combination thereof. The first carbon-based filler includes graphite in an amount from about 30 wt % to about 59 wt %. The composition exhibits a volume electrical resistivity of less than about 5 Ohm·cm as measured by ASTM D991. The combined weight percent value of all components does not exceed 100 wt %, and all weight percent values are based on the total weight of the composition. Methods for making the thermoplastic compositions are also described, including using a PPS-based masterbatch to form the compositions.
A polycarbonate composition includes particular amounts of a bisphenol A homopolycarbonate having a weight average molecular weight of 28,000 g/mol or more, determined by gel permeation chromatography relative to linear bisphenol A polycarbonate standards, and a polycarbonate-siloxane copolymer having a siloxane content of 30 to 70 weight percent, based on the total weight of the polycarbonate-siloxane copolymer. The composition can provide a desirable combination of properties, including good flame performance, chemical resistance, and aesthetic properties.
Polymer compositions include: (a) from 10 wt% to 84 wt% of at least one crystalline polymer; (b) from greater than 5 wt% to 35 wt% of a polyetherimide polymer having a refractive index value greater than that of the crystalline polymer; (c) from 10 wt% to 70 wt% of a reinforcing filler; and (d) from 0.1 wt% to 20 wt% of a phosphorous or brominated flame retardant additive. The polymer composition exhibits a light transmission greater than 40% at a thickness of 1 mm when tested using UV-VIS-IR transmission at 980 nm. The composition exhibits a moisture value less than 0.2% when tested in accordance with ISO 62 at 23 °C in water for 24 hours. A molded sample including the polymer composition exhibits a flame retardant performance of at least V2 at a thickness of 1.5 mm or less when tested in accordance with UL94.
Thermoplastic compositions include: (a) from about 20 wt% to about 60 wt% of a polybutylene terephthalate (PBT) component; (b) from about 3 wt% to about 30 wt% of a polyetherimide (PEI) component; (c) from about 5 wt% to about 25 wt% of a phosphorous flame retardant (FR) component; and (d) from about 10 wt% to about 50 wt% of a low Dk flat glass fiber. The composition has a UL94 flame retardancy rating of V0 or V1 at a thickness of 0.8 millimeter (mm) or 1.0 mm, a notched Izod impact strength of at least 100 joules per meter (J/m) as tested in accordance with ASTM D256 at 25 °C and 5 pound-force per foot (lbf/ft), or a metal bonding force of at least 20 megapascals (MPa) as tested in accordance with ISO 19095 using a TRI-treatment. Methods of forming the thermoplastic compositions are also described.
A thermoplastic composition includes 10-90 wt% of a poly(alkylene arylate); a flame retardant composition including a non-fluorinated flame retardant; 1-20 wt% of a poly(etherimide) composition comprising a poly(etherimide-siloxane) comprising 10-35 wt% siloxane repeating units in an amount effective to provide greater than or equal to 0.4 wt% of siloxane repeat units to the composition, or a poly(etherimide-siloxane) comprising greater than 35 wt% to 50 wt% siloxane repeating units in an amount effective to provide greater than or equal to 2.5 wt% of siloxane repeat units to the composition; 5-75 wt% of a reinforcing agent; and optionally, an additive composition, wherein a sample of the composition exhibits a UL-94 rating of V-1 at a thickness of 0.8 mm, or V-0 at a thickness of 0.8 mm, or V-0 at a thickness of 0.6 mm.
A thermoplastic composition comprising: a polyester,; a flame retardant composition comprising a non-fluorinated flame retardant, optionally, an auxiliary flame retardant, and optionally, an anti-drip agent; greater than or equal to 5 wt% of a polyetherimide; a reinforcing agent; optionally, an additive composition; and wherein the sum of the wt% of the polyester, the flame retardant composition, the polyetherimide, the reinforcing agent, and the optional additive composition total 100 wt%, wherein a sample of the composition exhibits a UL-94 rating of V-0 at a thickness of 0.8 mm, or 0.6 mm, more preferably wherein a sample of the composition exhibits a UL-94 rating of V-0 at a thickness of 0.4 mm, and wherein the thermoplastic composition is essentially fluorine-free.
A foamed material includes particular amounts of a poly(phenylene ether)-polysiloxane block copolymer, a polystyrene, optionally, a nucleating agent, and optionally a flame retardant. The foamed material has 20 to 100 kilograms per cubic meter, measured at 23 °C. Methods of making the foamed material and articles including the foamed material are also described.
C08J 9/14 - 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 organic
C08K 5/523 - Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
Thermoplastic compositions include: from about 10 wt% to about 90 wt% of a polycarbonate component including a post-consumer recycled polycarbonate (PCR-PC); from about 5 wt% to about 20 wt% of a polycarbonate-siloxane copolymer; from about 5 wt% to about 25 wt% of a glass fiber; and from about 1 wt% to about 3 wt% of a phosphazene flame retardant. The PCR-PC has a total fries rearrangement of at least 200 parts per million (ppm) as determined by proton-nuclear magnetic resonance (proton-NMR) spectroscopy, or the PCR-PC comprises at least 0.2 mol% of a branching agent. In certain aspects the composition has a UL94 flame retardant rating of V0 at a thickness of 1.5 mm, passes a Ball Pressure Test at 125 °C, has a notched Izod impact strength of at least 10 kJ/m2 at 23 °C, and/or has a VICAT softening temperature of at least 132 °C.
A foamed material includes particular amounts of a poly(phenylene ether), a polystyrene, a nucleating agent, and optionally a flame retardant. The foamed material has 20 to 100 kilograms per cubic meter, measured at 23 °C and a closed cell content of greater than 90%. Methods of making the foamed material and articles including the foamed material are also described.
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
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
C08J 9/14 - 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 organic
abcd1-361-365-445-445-44 aliphatic dicarboxylic acids and its reactive derivatives or equivalents and siloxane repeating units; or siloxane repeating units of formula (15) wherein in formula (15) each R is independently a hydrocarbyl or hydrocarbyloxy group; and E has an average value of 2 to 1,000.
A high strength polymer-based cartridge having a polymer case with a first end having a mouth. A body can be formed below the mouth and having a propellant chamber and a longitudinal axis. A back end can be formed opposite the first end and formed below the body, with a first snap ridge comprising a first ridge angle at approximately at 90° to the longitudinal axis; and a second snap ridge, positioned closer to the first end than the first snap ridge, comprising a second ridge angle at approximately at 90° to the longitudinal axis. Further, an insert is configured to engage the back end.
A thermoplastic composition includes particular amounts of a poly(phenylene ether)-poly(siloxane) block copolymer reaction product, an impact modifier, an organophosphate ester flame retardant, and a second poly(phenylene ether). The composition can be useful in various articles, in particular as a component of an electric vehicle battery.
A thermoplastic composition includes particular amounts of a first polycarbonate having repeating units derived from a cyclohexylidene-bridged bisphenol and a second polycarbonate that is different from the first polycarbonate and is a recycled polycarbonate. Methods of making the composition are also disclosed. The thermoplastic composition can be particularly useful in a variety of articles.
A thermoplastic composition comprising: 75 to 98 wt % of a poly(carbonate-siloxane-arylate) and optionally a poly(carbonate-arylate); a poly(carbonate-siloxane) having 30-70 wt % siloxane content, preferably 0.5 to less than 4 wt %, based on the total weight of the poly(carbonate-siloxane) present in an amount effective to provide 0.5 to wt % siloxane units based on the total weight of the composition; a flame retardant; and optionally, 0.1 to wt % of an additive composition, wherein each amount is based on the total weight of the poly(carbonate-siloxane-arylate), optional poly(carbonate-arylate), poly(carbonate-siloxane), flame retardant, and optional additive composition, which does not exceed 100%.
Compositions include from about 50 wt % to about 85 wt % of a liquid crystal polymer resin, from about 0.1 wt % to about 15 wt % of a polyetherimide polymer, from about 0.05 wt % to about 8 wt % of a compatibilizer, and from about 2 wt % to about 25 wt % of a mineral filler. A 50 mm×60 mm sample having a thickness of 0.6 mm molded from the composition exhibits an anti-dent performance characterized by a dent depth from 30-40 micrometers as measured using a three dimensional surface profiler; the sample is tested using a drop tester with a 1.6 mm diameter steel ball having a weight of 50 grams dropped from a height of 50 mm. Articles including the composition, including components of a mobile compact camera module, are also described.
C08L 71/10 - Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
B29C 48/36 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
C08G 65/38 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
Compositions include from about 65 wt% to about 90 wt% of a polypropylene resin, and from about 8 wt% to about 35 wt% of an inherently dissipative polymer (IDP). The IDP includes a polyether-polyolefin block copolymer. The composition is free, or substantially free, of carbon black. The combined weight percent value of all components does not exceed 100 wt %, all weight percent values are based on the total weight of the composition. The composition may exhibit a surface resistivity less than 9.0 ×109 Ω when tested in accordance with ANSI/ESD STM 11.13. Methods of forming the compositions are also described.
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
C08L 87/00 - Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
79.
ELECTROSTATICALLY PAINTABLE MOLDED ARTICLES AND METHOD FOR THE MANUFACTURE THEREOF
An article is molded from a thermoplastic composition including particular amounts of a poly(phenylene ether), a poly(butylene terephthalate), an impact modifier, a reactive compatibilizer, and a conductive filler including carbon nanotubes. The article is an electrostatically paintable automotive component, and exhibits a desirable combination of good conductivity and thermal stability. Methods of making the molded article are also disclosed.
Compositions include: (a) from about 55 wt% to about 89 wt% of a polycarbonate- polysiloxane copolymer; (b) from about 0.01 wt% to about 30 wt% of (i) a polycarbonate homopolymer or (ii) a cycloaliphatic polyester; and (c) from about 8 wt% to about 25 wt% of a reinforcing filler. A specimen including the composition and having a thickness of at least 2 millimeters (mm) exhibits a transmission of at least 80% as tested with a hazemeter in accordance with ISO 14782 and ISO 13468. Methods of forming the compositions are also described.
Fine polymer particles are prepared by dissolving a polycarbonate, a poly(arylene ether), or a poly(arylene ether sulfone), each in a specific solvent, to form a slurry, heating the slurry to a temperature greater than the solvent boiling point to form a homogeneous solution, cooling the solution to form a dispersion of fine particles, and isolating the fine particles. A volume-based distribution of the isolated fine particles has a median equivalent spherical diameter less than or equal to 125 micrometers.
C08F 232/08 - 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 having condensed rings
C09D 145/00 - Coating compositions based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring systemCoating compositions based on derivatives of such polymers
83.
COMPOSITION, METHOD FOR THE MANUFACTURE THEREOF, AND ARTICLE COMPRISING THE COMPOSITION
A composition includes particular amounts of a linear polycarbonate; a branched polycarbonate; and a polycarbonate-siloxane copolymer. Methods of making the composition and articles including the composition are also described.
A thermoplastic composition includes particular amounts of a polycarbonate; a brominated polycarbonate; a poly(aliphatic ester-carbonate); a silicone-containing impact modifier; and a flame retardant. Articles including the composition and methods for the manufacture thereof are also disclosed.
Disclosed is a composition comprising from about 60 wt. % to about 99.85 wt. % of a polar polymer resin, from about 0.05 wt. % to about 20 wt. % of graphene; and from about 0.001 wt. % to about 8 wt. % of a base additive, wherein the graphene and base additive are combined in the composition to provide a modified graphene, wherein a molded sample of the composition exhibits a greater multi-axial impact strength than a reference composition in the absence of the base additive when tested in accordance with ISO 6603, wherein the combined weight percent value of all components does not exceed 100 wt. %, and all weight percent values are based on the total weight of the composition.
Thermoplastic compositions include: (a) from about 35 wt% to about 65 wt% of a polycarbonate homopolymer component; (b) from about 0.1 wt% to about 30 wt% of a polybutylene terephthalate component; (c) from about 0.1 wt% to about 5 wt% of an aluminum hydroxide oxide component; and (d) from about 0.1 wt% to about 20 wt% of a flame retardant (FR) component. The combined weight percent value of all components does not exceed 100 wt%, and all weight percent values are based on the total weight of the composition. The compositions have improved hydro-stability and low temperature impact properties.
Thermoplastic compositions include: from about 35 wt% to about 65 wt% of a polycarbonate (PC) homopolymer component; from 0 wt% to about 50 wt% of a polybutylene terephthalate (PBT) component; from about 5 wt% to about 20 wt% of a core- shell acrylic polymer component; and from about 0.1 wt% to about 20 wt% of an aromatic bromine and cyanurate flame retardant component. The composition has a total siloxane content of no greater than 2.0 wt%. In some aspects the compositions have good comparative tracking index (CTI) properties in addition to good mechanical properties such as high modulus and impact resistance.
A polycarbonate composition, including 10-80 weight percent (wt %) of a homopolycarbonate, a poly(phthalate-carbonate), or a combination thereof; 10-30 wt % of a bromine-containing polycarbonate copolymer; 5-60 wt % of a poly(carbonate-siloxan e), present in an amount effective to provide 1-10 wt % of total siloxane, based on the total weight of the polycarbonate composition; 5-30 wt % of a glass-containing reinforcing agent; optionally, up to 10 wt % of a mineral filler; optionally, an organophosphorous flame retardant in amount effective to provide up to 1.5 wt % of phosphorous, based on the total weight of the polycarbonate composition; and optionally, up to 10 wt % of an additive, wherein the amount of homopolycarbonate, poly(phthalate-carbonate, bromine-containing polycarbonate copolymer, poly(carbonate-siloxane), glass-containing reinforcing agent, optional mineral filler, optional organophosphorous flame retardant, and optional additive total 100 wt %.
A polycarbonate composition comprises: a copolycarbonate comprising repeating units derived from a cyclohexylidene-bridged bisphenol; and an auxiliary polycarbonate comprising a branched homopolycarbonate; a poly(1,4-cyclohexanedimethylene terephthalate), a copolycarbonate derived from an isophorylidene-bridged bisphenol, and optionally a poly(alkylene cyclohexanedicarboxylate), poly(carbonate siloxane) having a siloxane content of less than 20 wt % based on the total weight of the poly(carbonatesiloxane), poly(aliphatic ester-carbonate) comprising bisphenol A carbonate units and C6-12 dicarboxy ester units; or a combination thereof. The polycarbonate compositions have one or more of a transparency of 89% or greater on 2.5 mm plaques according to ASTM-D1003-00; and a heat deformation temperature of at least 111° C., or at least 127° C. at 0.45 MPa or at least 98° C., or at least 110° C. at 1.82 MPa as determined on 3.18 mm bars per ASTM D648.
Polycarbonate compositions include: (a) from about 45 wt % to about 90 wt % of a polycarbonate homopolymer; (b) from about 1 wt % to about 25 wt % of a polycarbonate copolymer; (c) from about 0.1 wt % to about 20 wt % of a first flame retardant component including a brominated flame retardant; (d) from about 0.01 wt % to about 1 wt % of a second flame retardant component including an alkyl sulfonate salt, an aromatic sulfone sulfonate, an aromatic sulfonate salt, or a combination thereof; and (e) from about 0.1 wt % to about 20 wt % of a siloxane-free acrylic core-shell impact modifier. The combined weight percent value of all components does not exceed 100 wt %, and all weight percent values are based on the total weight of the composition.
Polycarbonate compositions include: a. from 20 wt% to 93 wt% of a polycarbonate component including one or more of a virgin polycarbonate homopolymer and a post- consumer recycled polycarbonate; b. from 1 wt% to 25 wt% of a polycarbonate-polysiloxane copolymer having (1) a siloxane content of from about 30 wt% to 70 wt% present in an amount effective to provide the composition with a total siloxane content of 0.5 wt% to 25 wt%, and (2) a weight average molecular weight of 26,000 to 50,000 grams per mole, as determined by gel permeation chromatography using polystyrene standards and calculated for polycarbonate; and c. from greater than 6 wt% to 20 wt% of at least one phosphorous flame retardant additive. The flame retardant additive is free of or substantially free of halogen. A molded sample of the polycarbonate composition exhibits a UL-94 rating of V-0 at a thickness of 1.5 mm or less.
Thermoplastic compositions include: a polymer base resin including at least one liquid crystal polymer (LCP) resin, at least one polyphenylene ether (PPE) resin, or a combination thereof; and from at least 0.1 wt % to 10 wt % of a low-OAN carbon black. The low-OAN carbon black has an oil absorption number (OAN) of 60 cubic centimeters per 100 grams (cc/100 g) or less. The compositions have good dielectric properties.
A copolymer comprising a polyphenylene ether component and a dicyclopentadiene copolymer component comprising a structure of Formulas D1, D2, D3-1, D3-2, or D3-3: Formula DI, Formula D2, Formula D3-1, Formula D3-2, Formula D3-3.
C08G 61/02 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
C08G 65/44 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols by oxidation of phenols
A polyimide, comprising 1-100 mol % of repeating units of formula (1), based on 100 mol % of total repeating units of the polyimide, wherein each V is as defined herein; and each R1 is independently a divalent group of formula (3), wherein A is anionic, and each A is independently —O, —S, —S(O)2, —S(O)2O, —OS(O)2O, —OP(O) (OR)dO, —P(O)(Re)O, —P(O)(ORf)O, or —OP(O)(Rg)O; and X is cationic, and each X is independently Li, Na, K, Cs, Mg, Ca, Sr, Cr, Mn, Fe, Co, Ni, Cu, Ag, Zn, Cd, B, Al, Ga, In, Ge, Sn, Pb, As, Sb, phosphonium, imidazolium, guanidinium, or pyridinium; and Rd, Re, Rf, and Rg are each independently hydrogen, substituted or unsubstituted C1-8 alkyl, or substituted or unsubstituted C6-12 aryl.
Thermoplastic compositions include: from about 5 wt% to about 99 wt% of a polycarbonate homopolymer component; and from about 0.01 wt% to about 5 wt% sodium zirconium phosphate. The polycarbonate homopolymer component has improved molecular weight (Mw) retention properties after heat aging in high temperature and relative humidity conditions. The compositions also have good low temperature impact properties.
Thermoplastic compositions include: from about 50 wt % to about 70 wt % of a PEEK (polyether ether ketone) component; from about 5 wt % to about 20 wt % of a PEI (polyetherimide) component; and from about 20 wt % to about 40 wt % of a glass fiber component. The combined weight percent value of all components does not exceed 100 wt %, and all weight percent values are based on the total weight of the composition. Methods for forming a molded article including the thermoplastic composition are described.
A composition includes particular amounts of a poly(methyl methacrylate); a poly(carbonate-siloxane); an acrylic impact modifier; a first anti-scratch additive including a polyethylene; and a second anti-scratch additive different from the first anti-scratch additive. Methods for the manufacture of the composition and articles including the composition are also described.
C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
98.
POLYETHERIMIDE COMPOSITION, METHOD FOR THE MANUFACTURE THEREOF, AND INJECTION MOLDED ARTICLES MADE THEREFROM
A polyetherimide composition includes a polyetherimide having a percent transmission of 75% to 85% at 500 nanometers as determined according to ASTM D1003 at a thickness of 1.6 mm. The composition further includes a colorant. A molded sample of the polyetherimide composition can have a percent transmission of greater than 40% at a thickness of 1.6 millimeters and a percent transmission of greater than 15% at a thickness of 3.2 millimeters, each at a wavelength of 450 nanometers and determined according to ASTM D 1003. Methods of the manufacture of the polyetherimide composition and injection molded articles prepared therefrom are also disclosed.
A composition includes particular amounts of a poly(methyl methacrylate), a poly(carbonate-siloxane), an acrylic impact modifier, a polyethylene, and a siloxane-containing anti-scratch additive. The composition can exhibit a desirable combination of good mechanical properties and scratch resistance. Methods of making the composition and articles comprising the composition are also disclosed.
White polycarbonate compositions having a low added fluorine content while also achieving a V-0 flame test rating at 1.5 mm or less include: a homopolycarbonate having a weight average molecular weight of 25,000 grams per mole or more, using polystyrene standards and calculated for polycarbonate; and a poly(carbonate-siloxane) having a siloxane content of 30-70 wt% present in an amount effective to provide 3-20 wt% siloxane repeating units based on the total weight of the composition, and a weight average molecular weight of 26,000-50,000 grams per mole, as determined by gel permeation chromatography using polystyrene standards and calculated for polycarbonate; a flame retardant; a colorant composition comprising titanium dioxide; and optionally, an additive composition; wherein the polycarbonate composition comprises 1200 ppm or less of added fluorine to the total composition.
