A thermosensitive recording medium, comprising: a thermosensitive recording layer containing colorless or pale colored electron donating leuco dye and an electron accepting color developing agent on a substrate, wherein the thermosensitive recording layer contains at least one of a urea compound represented by the following general formula (Formula 1) as the electron accepting color developing agent [Formula 1] (where, X represents -O- or -NH-, R1 represents a hydrogen atom or -SO2-R3, R3 represents a substituted or unsubstituted alkyl group, an aralkyl group or aryl group, R2 represents a hydrogen atom or alkyl group, and m represents 0 or 1), and wherein the substrate consists of a paper base material having water dispersibility.
B41M 5/333 - Colour developing components therefor, e.g. acidic compounds
B41M 5/40 - Thermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography
The present invention addresses the problem of providing an oil-resistant paper in which a non-fluorine-based oil-resistant agent is used. As a solution, a paper base material is impregnated with an oil-resistant paint containing a non-fluorine-based oil-resistant agent and a water-soluble polymer. The paper base material has a basis weight of 20 g/m2 or greater. The paper base material contains, as raw material pulp, 30 wt% or more of hardwood pulp for which the ratio (l/D) of the lumen width (l) to the fiber width (D) is 0.50 or less on average. The Shopper-Riegler freeness of the pulp constituting the paper base material is 25-45°SR.
D21H 21/14 - Non-fibrous material added to the pulp, characterised by its function, form or propertiesPaper impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
D21H 15/02 - Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
D21H 19/72 - Coated paper characterised by the paper substrate
3.
PAPER BASE MATERIAL FOR FIBROUS CASING BASE MATERIAL
The present invention addresses the problem of providing a paper base material for a fibrous casing base material. The paper base material does not require preliminary impregnation with a viscose liquid, and has sufficient alkali resistance and wet strength when undergoing viscose application. As a solution to the problem, provided is a paper base material for a fibrous casing base material, the paper base material comprising natural fibers and a paper-strengthening agent. Both a cationic paper-strengthening agent and an anionic paper-strengthening agent are added as the paper-strengthening agent by internal sizing and surface sizing.
A water-dispersible sheet with improved water dispersibility is provided. Provided is papermaking fibers containing two kinds of compounds, a specific alkalized fibrous carboxyalkyl cellulose and a specific carboxyalkyl cellulose salt. That is a water-dispersible sheet comprising a papermaking fiber and an alkalized fibrous carboxyalkyl cellulose and further comprising a carboxyalkyl cellulose salt, wherein the degree of etherification of the fibrous carboxyalkyl cellulose is 0.2 to 0.6, the degree of etherification of the carboxyalkyl cellulose salt is 0.5 to 1.6, the viscosity of 1% aqueous solution of the carboxyalkyl cellulose salt measured by Brookfield viscometer is 2 to 200 mPa-s, and the ratio of the carboxyalkyl cellulose salt to the sum of the papermaking fibers and the alkalized fibrous carboxyalkyl cellulose is 0.1 to 10% by weight.
[Problem] To provide a water-dispersible heat-sensitive recording body that includes a support and a heat-sensitive recording layer that is provided on the surface of the support and a heat-sensitive recording label that is formed by providing an adhesive layer on the reverse surface of the support from the heat-sensitive recording layer, the heat-sensitive recording body and the heat-sensitive recording label achieving, among a variety of desired characteristics, excellent reprintability as well as excellent wet heat resistance, plasticizer resistance, solvent resistance, and the like. [Solution] The present invention provides a heat-sensitive recording body and a heat-sensitive recording label. The heat-sensitive recording body includes a support and a heat-sensitive recording layer that is provided on the support and contains a colorless or lightly colored electron-donating leuco dye and an electron-accepting developer, the support comprising a water-dispersible paper substrate, and the heat-sensitive recording layer containing, as the electron-accepting developer, at least one type of urea compound represented by general formula (1). (In the formula, X represents -O- or -NH-, R122-R3, R3represents a substituted or unsubstituted alkyl group, aralkyl group, or aryl group, R2 represents a hydrogen atom or an alkyl group, and m is 0 or 1.)
B41M 5/333 - Colour developing components therefor, e.g. acidic compounds
B41M 5/40 - Thermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography
The present invention addresses the problem of providing a novel coated printing paper that is water-dispersible but produces good print quality. Provided, as a solution to the problem, is a coated printing paper that has a base paper and a coating layer formed on at least one surface of the base paper. The aqueous dispersion flocculation time of the base paper is less than ten seconds. The coating layer contains a pigment and an adhesive, and contains a non-water-soluble resin as the adhesive.
An object is to provide a water-dispersible paper that exhibits excellent dispersibility in water. As a solution, a water-dispersible paper is provided, which has: a base paper that has a bulky layer containing 10% by weight or higher of a softwood pulp with a lumen width (l) to fiber diameter (D) ratio (l/D) of 0.60 or lower on average; and a water-soluble polymer impregnated into the base paper.
An object is to provide a water-dispersible paper that exhibits excellent dispersibility in water. As a solution, a water-dispersible paper is provided that has a base paper containing papermaking fibers and a water-soluble alkaline compound, wherein the Canadian Standard Freeness of the papermaking fibers is 500 ml CSF or higher but no higher than 750 ml CSF.
An object is to provide a stool-receiving sheet for stool collection that offers good floatability and dispersibility on/in water. As a solution, a stool-receiving sheet for stool collection is provided whose compounding quantity of a softwood pulp with a lumen width (l) to fiber diameter (D) ratio (l/D) of 0.6 or lower is 40 percent by weight or higher, while compounding quantity of a sizing agent is 0.05 percent by weight or higher but no higher than 0.12 percent by weight, relative to the total quantity of papermaking fibers, and whose density is 0.60 g/cm3 or lower.
A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
The present invention addresses the problem of providing a water-dispersible paper having excellent water dispersibility. As a means for resolving this problem, a water-dispersible paper is provided having: a base paper comprising a bulk layer that includes 10 wt% or more of coniferous-tree pulp in which the ratio (l/D) of the lumen width (l) to the fiber width (D) is an average of 0.60 or less; and a water-soluble polymer impregnated into the base paper.
D21H 15/02 - Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
B32B 29/06 - Layered products essentially comprising paper or cardboard specially treated, e.g. surfaced, parchmentised
D21H 27/00 - Special paper not otherwise provided for, e.g. made by multi-step processes
G09F 3/10 - Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
A water-dispersible sheet with improved water dispersibility is provided. Provided is paper-making fibers containing two kinds of compounds, a specific alkalized fibrous carboxyalkyl cellulose and a specific carboxyalkyl cellulose salt. That is a water-dispersible sheet comprising a papermaking fiber and an alkalized fibrous carboxyalkyl cellulose and further comprising a carboxyalkyl cellulose salt, wherein the degree of etherification of the fibrous carboxyalkyl cellulose is 0.2 to 0.6, the degree of etherification of the carboxyalkyl cellulose salt is 0.5 to 1.6, the viscosity of 1% aqueous solution of the carboxyalkyl cellulose salt measured by Brookfield viscometer is 2 to 200 mPa-s, and the ratio of the carboxyalkyl cellulose salt to the sum of the papermaking fibers and the alkalized fibrous carboxyalkyl cellulose is 0.1 to 10% by weight.
The present invention addresses the problem of providing water-dispersible paper having excellent dispersibility in water. Provided as a means for solving the problem is water-dispersible paper which includes a paper base comprising papermaking fibers and a water-soluble alkaline compound, wherein the paper-making fibers have drainability, as determined in accordance with the Canadian Standard method, of 500-750 mlCSF.
A water-dispersible sheet is described that maintains water dispersibility while providing suppressed time degradation of the tacky adhesiveness of a tacky adhesive layer. The water-dispersible sheet has a paper substrate with a multilayer structure. One layer of the multilayer structure is an inner layer that is not in contact with the tacky adhesive layer. Another layer is a surface layer that is in contact with the tacky adhesive layer. The layers independently include mixed pulps of a wood pulp and a refined pulp with an α-cellulose content of 88 % by weight or more. The weight ratio of the layers and the beating degree of the mixed pulps are set in the specific ranges.
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
D21H 19/82 - Paper comprising more than one coating superposed
The present invention addresses the problem of providing a feces-receiving sheet for feces collection that can float in water and has good water dispersion properties. As a solution, the present invention provides a feces-receiving sheet for feces collection, in which: the blending ratio of softwood pulp is at least 40% by weight, the softwood pulp such that a ratio (l/D) of the lumen width (l) to the fiber width (D) of 0.6 or less to the total quantity of papermaking fiber; the blending ratio of a sizing agent is at least 0.05%–0.12% by weight; and the density is 0.60 g/cm3 or less.
The present invention provides a water-dispersible paper having improved dispersibility in seawater. A water-dispersible paper can have excellent dispersion solubility in seawater and the clogging of a filter by a water-dispersible paper can be reduced, by using an alkalized carboxyalkyl cellulose having a specific degree of etherification (DS) and a specific Runkel ratio. The water-dispersible paper comprises a base paper containing fibrous carboxyalkyl cellulose and papermaking fibers, wherein the content of the fibrous carboxyalkyl cellulose in the base paper is from 25 to 80% by weight, the fibrous carboxyalkyl cellulose is alkalized, the degree of etherification (DS) of the fibrous carboxyalkyl cellulose is from 0.40 to 0.63, and Runkel ratio of the fibrous carboxyalkyl cellulose is from 0.5 to 3.5.
The present invention addresses the problem of providing a coffee filter paper for mechanical extraction with which it is possible to extract a coffee beverage that has an authentic flavor and reduced undesirable tastes. As the solution, provided is a coffee filter paper in which the ratio of pore diameters of more than or equal to 15 μm is more than or equal to 40% and the ratio of pore diameters of more than or equal to 30 μm is less than or equal to 20%.
A water-dispersible sheet is described having suppressed time degradation of the tacky adhesiveness of the tacky adhesive layer, while maintaining water dispersibility. The base paper of the water-dispersible sheet has a multilayer structure, including an inner layer which is not in contact with a tacky adhesive layer and a surface layer which is in contact with the tacky adhesive layer. The layers are independently mixtures of papermaking fibers and an alkalized fibrous carboxymethyl cellulose.
The purpose of the present invention is to provide a water-dispersible sheet that has further improved water dispersibility. This water-dispersible sheet: comprises papermaking fibers and alkalinized fibrous carboxyalkyl cellulose; and also includes a carboxyalkyl cellulose salt. The degree of etherification of the fibrous carboxyalkyl cellulose is 0.2–0.6, and the degree of etherification of the carboxyalkyl cellulose salt is 0.5–1.6. The viscosity, as measured by Brookfield viscometer, of a 1 wt% aqueous solution of the carboxyalkyl cellulose salt is 2–200 mPa∙s. Relative to the total of the papermaking fibers and the alkalinized fibrous carboxyalkyl cellulose, the carboxyalkyl cellulose salt fraction is 0.1–10 wt%.
B41M 5/40 - Thermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography
[Problem] To provide a water-dispersible sheet which does not undergo the deterioration in the adhesiveness of an adhesive agent layer provided therein while retaining the water dispersibility thereof. [Solution] A water-dispersible sheet which comprises a paper-made base comprising an inside layer and at least one surface layer and an adhesive layer formed on one surface layer (also referred to as a "first surface layer", hereinbelow) of the paper-made base, wherein the first surface layer is made from mixed pulp 1 which is composed of wood pulp and purified pulp having an a-cellulose content of 88% by weight or more, the mixed pulp 1 has a Canadian Standard freeness of 450 to 600 mlCSF and contains the wood pulp at a content of 50 to 95% by weight, the inside layer is made from mixed pulp 3 which is composed of wood pulp and purified pulp having an a-cellulose content of 88% by weight or more, and the mixed pulp 3 has a Canadian Standard freeness of 600 to 750 mlCSF and contains the wood pulp at a content of 50 to 95% by weight.
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
[Problem] To provide a water-dispersible sheet which does not undergo the deterioration in the adhesiveness of an adhesive agent layer provided therein while retaining the water dispersibility thereof. [Solution] A water-dispersible sheet which comprises a paper-made base comprising an inside layer and at least one surface layer and an adhesive layer formed on one surface layer (also referred to as a "first surface layer", hereinbelow) of the paper-made base, wherein the first surface layer is made from mixed pulp 1 which is composed of wood pulp and purified pulp having an α-cellulose content of 88% by weight or more, the mixed pulp 1 has a Canadian Standard freeness of 450 to 600 mlCSF and contains the wood pulp at a content of 50 to 95% by weight, the inside layer is made from mixed pulp 3 which is composed of wood pulp and purified pulp having an α-cellulose content of 88% by weight or more, and the mixed pulp 3 has a Canadian Standard freeness of 600 to 750 mlCSF and contains the wood pulp at a content of 50 to 95% by weight.
D21H 27/00 - Special paper not otherwise provided for, e.g. made by multi-step processes
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
The purpose of the present invention is to further improve the balance between the water dispersibility and the surface barrier properties of a water-dispersible sheet provided with, to at least one surface thereof, a filling layer made of methyl cellulose. The purpose is achieved by a water-dispersible sheet having a filling layer made of methyl cellulose on at least one surface of a water-dispersible base material, wherein the water-dispersible base material contains fibrous carboxymethyl cellulose and papermaking fibers having a Canadian standard freeness of 500-750 ml CSF, the fibrous carboxyalkyl cellulose is alkalized, and the viscosity of a 2% solution of the methyl cellulose at 20°C measured by a Brookfield viscometer is 20-30 cps.
The present invention addresses the problem of providing a makeup cosmetic which has a good soft focus effect, can be formed into a cosmetic film having a natural finish, and is environmentally friendly. A makeup cosmetic characterized by comprising a cosmetic powder and cellulose granules. Particularly, it is preferred that the cellulose granules have an average particle diameter of 10 to 100 μm. It is also preferred that the cellulose granules contain cellulose fibers derived from a wood material.
By using an alkalized carboxyalkyl cellulose with a specified etherification degree (DS) and Runkel ratio, it is possible to form a water-dispersible paper wherein the residue thereof causes little clogging of filters, etc. and which has excellent dispersing solubility in seawater. The water-dispersible paper is made of a base paper that contains fibrous carboxyalkyl cellulose and papermaking fibers, wherein the content of fibrous carboxyalkyl cellulose in the base paper is 25-80 mass%, the fibrous carboxyalkyl cellulose is alkalized, the etherification degree (DS) of the fibrous carboxyalkyl cellulose is 0.40-0.63, and the Runkel ratio is 0.5-3.5.
The present invention addresses the problem of providing a coffee filter that can be produced in a stable manner. As a means of overcoming the problem, the present invention provides a coffee filter comprising crepe paper including at least 80% of softwood pulp relative to the total amount of pulp, wherein the softwood pulp has a mean lumen ratio at least equal to 0.50 and at most equal to 0.70.
In a cosmetic 1, a plurality of cosmetic material supporting materials 20A, 20B supporting cosmetic materials 2a, 2b are combined and disposed on base materials 10A, 10B that have been molded, using non-woven fabric including thermoplastic resin fibers and pulp-based fibers, on the assumption of serving as constituent elements forming part of a predetermined three-dimensional object, thereby realizing the predetermined three-dimensional object, wherein the cosmetic material supporting materials are disposed with freedom to move relative to one another.
A45D 33/18 - Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with special decorative arrangements or form
A45D 40/00 - Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
The present invention provides a water dispersing sheet for suppressing degradation over time of adhesion of an adhesive layer while maintaining water dispersion properties. A base paper for a water dispersing sheet is given a multilayer structure, and each of a layer (surface layer) in contact with an adhesive layer and a layer (inner layer) not in contact therewith comprises a mixture of alkalinized fibrous carboxymethylcellulose and fibers for papermaking with the ratio thereof and the freeness of the fibers for papermaking set in a specific range. The water dispersing sheet has an adhesive agent layer on one surface layer (first surface layer) of paper base material formed from the inner layer and at least one surface layer, said water dispersing sheet being configured such that the inner layer is formed from fibers for papermaking for which the Canadian Standard freeness is 600 – 750 ml CSF and alkalinized fibrous carboxymethylcellulose, the surface layer is formed from fibers for papermaking for which the Canadian Standard freeness is 400 – 575 ml CSF and alkalinized fibrous carboxymethylcellulose, and the content of the fibers for papermaking in the first surface layer is 60 – 90% by mass.
The problem addressed by the present invention is to provide paper for an energy recovery ventilation element that can be produced efficiency during paper making, in which problems such as torn paper do not arise easily during element processing, and that has high moisture absorption and desorption and air shielding properties. To address the problem, provided is paper for an energy recovery ventilation element that includes fiber for paper-making, a moisture absorbent, and cellulose nanofiber.
The present invention addresses the problem of providing: a pest repellent material which can be used mainly for floors and walls in rooms and the like, has a long-lasting effect and is highly safe; and a pest repelling method using the pest repellent material. The problem can be solved by a pest repellent material comprising a base material impregnated with a solution containing naturally occurring components as active ingredients, said pest repellent material being characterized by being used in such a manner that the solution can be applied onto a surface of interest upon use. For solving the problem, it is particularly preferred that the solution is a solution containing (A) a cyclic monoterpene alcohol and/or (B) a cyclic monoterpene ketone and also containing (C) a cyclic sesquiterpene as the naturally occurring components.
A01N 25/34 - Shaped forms, e.g. sheets, not provided for in any other group of this main group
A01M 29/12 - Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents
A01N 27/00 - Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
A01N 31/04 - Oxygen or sulfur attached to an aliphatic side chain of a carbocyclic ring system
A01N 31/06 - Oxygen or sulfur directly attached to a cycloaliphatic ring system
A01N 35/06 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing keto or thioketo groups as part of a ring, e.g. cyclohexanone, quinoneDerivatives thereof, e.g. ketals
A01N 45/02 - Biocides, pest repellants or attractants, or plant growth regulators containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring having three carbocyclic rings
Provided is a sheet-like cosmetic 1 that includes the following: a sheet-like base material 10; a cosmetic material 20 disposed on one surface of the sheet-like base material 10; a cover film 30 that covers the cosmetic material, can be peeled and is at least partially transparent; and an adhesive layer 40 formed on the other surface of the sheet-like base material which is the side opposite the one surface; and a peeling sheet 50 that covers the adhesive layer and can be peeled.
A45D 40/00 - Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
A45D 33/00 - Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
A61Q 1/02 - Preparations containing skin colorants, e.g. pigments
A61Q 1/12 - Face or body powders, e.g. for grooming, adorning or absorbing
A cosmetic product wherein cosmetics are respectively positioned on one surface A of a base material and the other surface B thereof. Preferably, the base material has at least a transparent part; a first cosmetic is positioned on surface A and a second cosmetic, said second cosmetic having a different color from the first cosmetic, is positioned on the transparent part of surface B; and the first and second cosmetics are positioned in such a manner as to be both visible from the surface A side.
[Problem] To provide a paint composition that changes color or becomes transparent by absorbing water and that is suitable for applying to water pipes or connecting portions thereof in order to detect water leakage and for applying to an outdoor or indoor structure, such as a concrete structure or the like. [Solution] Provided is a paint composition containing a low-refractive-index pigment and a binder, wherein a mixture in which a polyvinyl alcohol and an unsaturated carboxylic acid and/or a polyolefin resin that is graft-modified by using a derivative thereof are mixed at a specific ratio is employed as the binder. This paint composition can be used to coat various items in accordance with the intended usage.
C09D 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
C09D 151/06 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
A water dispersion paper made of wood pulp and/or non-wood pulp is characterized in that purified pulp containing α-cellulose by 88 percent by weight or more accounts for 15 to 95 percent by weight of all pulp. The water dispersion paper has quick water dispersion property and high strength (printability) and its paper surface pH is 6 to 8 (neutral range).
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
An object of the present invention is to provide a water dispersion paper having quick water dispersion property and high strength (printability) and whose paper surface pH is 6 to 8 (neutral range), and also to provide a water dispersion coated paper designed to ensure quick water dispersion property and prevent discoloration over time.
A water dispersion paper made of wood pulp and/or non-wood pulp, wherein said water dispersion paper is characterized in that purified pulp containing α-cellulose by 88 percent by weight or more accounts for 15 to 95 percent by weight of all pulp, as well as a water dispersion coated paper having a water-soluble coating layer on said water dispersion paper.
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
D21H 11/00 - Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
D21H 11/20 - Chemically or biochemically modified fibres
G09F 3/00 - Labels, tag tickets, or similar identification or indication meansSealsPostage or like stamps
D21H 19/12 - Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
A cosmetic holding body (1) for holding a cosmetic, wherein the cosmetic holding body is obtained by molding a base material (2) into a desired three-dimensional shape and maintains the definite shape.
A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
A45D 40/00 - Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
A61Q 1/00 - Make-up preparationsBody powdersPreparations for removing make-up
The purpose of the present invention is to provide a water-dispersible paper which has rapid water dispersibility and high strength (printability) and also has a pH value of 6-8 (a neutral range) on the surface thereof, and to produce a water-dispersible coated paper which has rapid water dispersibility and does not undergo discoloration over time. A water-dispersible paper comprising a wood pulp and/or a non-wood pulp, wherein a purified pulp having an α-cellulose content of 88 wt% or more makes up 15-95 wt% of the total amount of the pulps; and a water-dispersible coated paper provided with a water-soluble coating layer.
A fiber laminate sheet (10) comprising at least two layers including an upper layer base paper (1) and an underlay fiber layer (4). The upper layer base paper (1) is a synthetic fiber paper containing polyester staple fibers and polyester binder staple fibers, produced by a wet process. The constituent fibers of the base paper, although glued together by the binder staple fibers, are partially disintegrated by water stream intercrossing. The underlay fiber layer (4) is a fiber sheet of at least one member selected from among a nonwoven fabric, a nonwoven fabric web and a woven knitted fabric. The upper layer base paper (1) and underlay fiber layer (4) are laminated together so that the constituent fibers of the two layers cross each other to thereby attain an integration thereof. Accordingly, when impregnation with an elastic polymer is not effected, there can be obtained a novel fiber laminate sheet of soft texture exhibiting air permeability. On the other hand, when the impregnation is effected, there can be obtained an artificial leather of texture highly close to that of natural leather.
D04H 1/485 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
D04H 3/16 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
D06N 3/14 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds with polyurethanes
37.
Coating paper which can be removed by water and a method for preparation thereof
A coating paper which can be removed by water comprising a substrate paper of single layer or lamellar structure having two or more layers which has at least one water decaying layer containing 5-100 wt % of water insoluble fibrous carboxy alkyl cellulose and a water base color is coated on said substrate paper, wherein a coating layer and at least a part of substrate paper which is a supporter of said coating layer has a characteristic of easily removing, dispersion and dissolving by contact with water, and can provide a water decaying coating paper used preferably for an use of label for a returnable container which may easily remove by contact with water and excellent in printing aptitude and a method for preparation thereof can be provided.
B32B 23/04 - 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
patents
