Abstract:
PROBLEM TO BE SOLVED: To provide an acrylic water dispersion latex which can be suitably used in forming an inkjet recording medium, etc. and can form a film having high water resistance and besides, excellent permeability of an organic solvent, and to provide a coating agent using the latex. SOLUTION: The acrylic water dispersion latex comprises at least an acrylic monomer unit, and particles comprising a thermoplastic resin having an I value of ≤75, the I value representing an inorganic properties, and an O value of ≤150, the O value representing an organic properties, the ratio of the I value/the O value being ≤0.65. As such the acrylic water dispersion latex as this, is preferably an acrylic styrene-based latex or an acrylic silicone-based latex. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a resin composition for an ink recording body having excellent water resistance and ink absorbency and capable of preventing cracks of a pigment ink in a printing part. SOLUTION: The resin composition for an ink recording body contains at least a crosslinking group-containing cationic acrylic copolymer (A) having a glass transition point of 25°C or more and a saponified product of a vinyl acetate polymer (B). The crosslinking group of the crosslinking group-containing cationic acrylic copolymer (A) is, for example, an alkoxysilyl group, and contains as a cationic group, for example, a tertiary amino group neutralized with an acid and/or a quaternary ammonium salt group. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous heat sensitive adhesive composition capable of heating for drying at a higher temperature in producing a heat sensitive adhesive sheet obtained by installing an adhesive layer obtained by applying the aqueous heat sensitive adhesive composition, excellent in blocking resistance in preserving for a long period and having a high adhesive property and transparency. SOLUTION: This aqueous heat sensitive adhesive composition contains a thermoplastic resin and a solid plasticizer, and is characterized by using, as the thermoplastic resin, an acrylonitrile-butadiene-based latex, and as the solid plasticizer, a compound having ≥70°C melting point. The solid plasticizer is at least one kind selected from (i) a phosphoric acid ester-based compound, (ii) a phthalic acid ester-based compound, (iii) a hindered phenol-based compound, (iv) a triazole-based compound and (v) a hydroquinone-based compound. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To obtain a thermo-sensitive adhesive composition and a thermo- sensitive adhesive with an excellent blocking-resistant property capable of maintaining a high adhesive property for a long period of time when a thermo- sensitive adhesive laminated body is manufactured by coating the thermo- sensitive adhesive on a base material, and to provide the thermo-sensitive adhesive laminated body with a high productivity of a product, an excellent maintaining property of an adhesive property and a transparency and no generation of blocking even if it is stored for a long period of time and a manufacturing method therefor. SOLUTION: In the thermo-sensitive adhesive composition containing a thermoplastic resin (A) and a solid plasticizer (B), it is characterized that a solid phosphor compound (B1) having a melting point of lower than 100 deg.C and a compound (B2) having a melting point of 100 deg.C or higher are co-used as the solid plasticizer (B). The thermo-sensitive adhesive, the thermo-sensitive adhesive laminated body using the adhesive and the manufacturing method therefor are provided.
Abstract:
PROBLEM TO BE SOLVED: To provide such a water dispersion of a solid plasticizer as a raw material that has a good storage stability and to provide a heat-sensitive adhesive using this. SOLUTION: The solid-plasticizer water dispersion contains 45 wt.% or more as the solid content concentration of a solid plasticizer A expressed by formula (1) or (2) (wherein, R through R are each a hydrocarbyl group or a heterocyclic group; A is a divalent hydrocarbyl group or heterocyclic group; k is 0 or 1; m is an integer of 0 to 3; and in each set of R , R and A/R , R and A/R , R and R / and R through R , two or more groups may link and form a ring containing phosphorus) and an anion-based surfactant B comprising sulfate or phosphate of a poly(oxyethylene) polyaralkylphenyl ether expressed by formula (3) through (6) (wherein, R is an aralkyl group; M is an alkali metal; R is H, an alkyl group, or a hydroxyalkyl group; m is an integer of 1 to 5; and n is an integer of 10 to 20).
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject dispersion having all of toughness, weather resistance and elasticity and capable of readily drying and curing when used for coating materials, etc., by copolymerizing an ethylenic unsaturated monomer with a silane-containing compound. SOLUTION: This aqueous resin dispersion is obtained by copolymerizing (B) an α,β-ethylenic unsaturated monomer with (C) a silane-containing compound represented by the formula [R is H or methyl; R is a bifunctional hydrocarbon selected from a 1-10C alkyl, an aryl, an aralkyl, etc.; R and R are each a monofunctional hydrocarbon selected from a 1-10C alkyl, aryl, aralkyl, etc.; (a) is 0, 1 or 2] in the presence of (A) an aqueous urethane-based resin dispersion. Furthermore, a weight ratio of total amount of the components B and C to urethane component in the component C is preferably (100/100) to (100/10).
Abstract:
PROBLEM TO BE SOLVED: To form a clear recording image with excellent coloring density by a dye receptive layer of a thermal transfer recording image receiving element. SOLUTION: A dye receptive layer is formed of resin composition having a microdomain structure formed of soft resin component (resin having Tg of about -50 to 20 deg.C such as urethane resin) and hard resin component (resin having Tg of about 30 to 180 deg.C such as hard vinyl polymer). The composition contains resin composition having means size of a domain of 1 to 50 nm, means distance between adjacent domains of 10 to 1000 nm and a density of number of domains of 50 to 1000 pieces/μm .
Abstract:
PROBLEM TO BE SOLVED: To form a clear recording image with excellent releasability from a thermal transfer sheet by a dye receptive layer of a thermal transfer recording image receiving element. SOLUTION: A dye receptive layer is formed of resin composition containing 5 to 90 wt.% of aromatic component or resin composition containing urethane resin and vinyl polymer. The resin composition may contain urethane resin and polymer dispersed in particulate state in the urethane resin. The composition may be polymer aqueous emulsion containing polymer particles having a core- shell structure or microdomain structure constituted by urethane resin and vinyl polymer.
Abstract:
PROBLEM TO BE SOLVED: To obtain a water-base resin dispersion which forms a coating film having good physical properties by polymerizing an α,β-ethylenically unsatd. monomer in the presence of a water-base polyurethane resin dispersion which is obtd. by reacting a polyester polyol obtd. by the ring-opening addition polymn. of a lactone using dimethylolbutanoic acid as the initiator with a polyisocyanate compd. and a chain extender. SOLUTION: This resin dispersion contains polymer particles having an average particle size of 0.01-2 μm and is obtd. by polymerizing an α,β- ethylenically unsatd. monomer (e.g. methyl methacrylate) in the presence of a water-base polyurethane resin dispersion having an acid value (in terms of solid) of 15-50 mgKOH/g in a wt. ratio of the polyurethane resin to the monomer of (100/400)-(100/5) by using a polymn. initiator. The water-base polyurethane resin is produced by reacting a polyol contg. a polyester polyol obtd. by the ring-opening addition polymn. of a lactone (e.g. ε-caprolactone) in the presence of dimethylolbutanoic acid as the initiator and an SnCl2 , catalyst with a polyisocyanate compd. and a chain extender.
Abstract:
PROBLEM TO BE SOLVED: To obtain an aqueous resin dispersion capable of forming a membrane having excellent stability and durability, useful for a coating material, a cement modifier etc., by copolymerizing a specific compound and a monomer including an α,β-ethylenically unsaturated bond in the presence of a polyurethane aqueous resin dispersion. SOLUTION: This aqueous resin dispersion is obtained by copolymerizing a compound of formula I (R is H or CH3 ; R is a group of formulas II and III), preferably methylglycidyl (meth)acrylate and (3,4-epoxycyclohexyl)methyl (meth)acrylate with a monomer including α, β-ethylenically unsaturated bond, preferably N-methylol (meth)acrylamide, 2-hydroxypropyl (meth)acrylate, allyl alcohol, etc., in the presence of a polyurethane aqueous resin dispersion, and is useful for an adhesion, a paper processing agent, a fiber processing agent, a mortar modifier, etc.