Abstract: To provide an acrylic film, composed of a resin composition (C) that includes an acrylic graft copolymer (A) containing an acrylic ester rubber-like polymer and a methacrylic polymer (B) containing 80% by weight or more of methyl methacrylate, wherein (1) the content of the acrylic ester rubber-like polymer in the resin composition (C) is 5% by weight or more and 30% by weight or less, (2) the average particle size of the acrylic ester rubber-like polymer is 500 to 2000 ?, (3) the relationship between the average particle size d (?) of the acrylic ester rubber-like polymer and the amount w (% by weight) of crosslinking agent used in the acrylic ester rubber-like polymer satisfies the following equation: 0.002d?w?0.005d, (4) the graft ratio of the acrylic graft copolymer (A) is 30% or more and 200% or less, and (5) the reduced viscosity of methyl ethyl ketone soluble matter in the resin composition (C) is 0.2 to 0.8 dl/g.

Abstract: To provide an acrylic film, composed of a resin composition (C) that includes an acrylic graft copolymer (A) containing an acrylic ester rubber-like polymer and a methacrylic polymer (B) containing 80% by weight or more of methyl methacrylate, wherein (1) the content of the acrylic ester rubber-like polymer in the resin composition (C) is 5% by weight or more and 30% by weight or less, (2) the average particle size of the acrylic ester rubber-like polymer is 500 to 2000 ?, (3) the relationship between the average particle size d (?) of the acrylic ester rubber-like polymer and the amount w (% by weight) of crosslinking agent used in the acrylic ester rubber-like polymer satisfies the following equation: 0.002d?w?0.005d, (4) the graft ratio of the acrylic graft copolymer (A) is 30% or more and 200% or less, and (5) the reduced viscosity of methyl ethyl ketone soluble matter in the resin composition (C) is 0.2 to 0.8 dl/g.

Abstract: A method for producing a low acid beverage in which a deterioration in quality associated with a pH decrease during heat sterilization or long-term storage in a heated condition is eliminated or minimized, and which is characterized by adding at least one of chitosan, chitosan oligosaccharide and glucosamine.

Abstract: A methacrylate, resin composition having an excellent processability and capable of providing films having excellent impact resistance, transparency, weatherability, solvent resistance and plasticizer migration resistance, which comprises (A) 5 to 50% by weight of a crosslinked acrylate elastomer having a two layer structure of a crosslinked polymer component (a-1) having a glass transition temperature of −30 to 10° C. and a crosslinked polymer component (a-2) having a glass transition temperature of less than −30° C. wherein the component (a-1) is located on the inner side or the outer side and the component (a-2) is located on the outer side or the inner side, and (B) 95 to 50% by weight of an alkyl methacrylate polymer prepared by polymerizing an acrylic monomer containing 80 to 100% by weight of an alkyl methacrylate and 20 to 0% by weight of an alkyl acrylate in the presence of a chain transfer agent and in the presence or absence of the elastomer (A).

Abstract: A rubber latex with its particles grown through cohesion by adding 100 weight parts of (B) a rubber latex (solid), 0.1-15 weight parts (solid) of (A) an acid group-containing latex having an average particle size of 50-500 nm prepared by polymerizing a monomer mixture comprising (a), (b), (c) and (d) [wherein (a)+(b)+(c)+(d)=100 weight %]: (a) 5-25 weight % of at least one of unsaturated acids selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid and crotonic acid, (b) 20-95 weight % of at least one of alkyl methacrylates with its alkyl group 1-12 in carbon number, (c) 0-30 weight % of at least one of alkyl acrylates with its alkyl group 1-12 in carbon number, (d) 0-40 weight % of at least one selected from the group consisting of aromatic vinyls, compounds having at least two polymerizable functional groups in a molecule and vinyl cyanides, copolymerizable with the aforementioned (a), (b) and (c) is provided.

Abstract: A rubber-containing resin composition suitable as an impact modifier for styrene resins (such as styrene homopolymer and copolymers and polymer alloys thereof with other thermoplastic resins), which comprises (A) a graft copolymer having a graft ratio of 10 to 80% by weight wherein a graft component comprising 15 to 60% by mole of at least one vinyl cyanide compound, 40 to 85% by mole of at least one aromatic vinyl compound and 0 to 30% by mole of at least one other monomer copolymerizable with them is graft-copolymerized onto a diene rubber having a volume average particle size of 100 to 1,000 nm by an emulsion polymerization method, and (B) an emulsion-polymerized copolymer of 15 to 60% by mole of at least one vinyl cyanide compound, 40 to 85% by mole of at least one aromatic vinyl compound and 0 to 30% by mole of at least one other monomer copolymerizable with them, which has a weight average molecular weight of 5,000 to 90,000 and a ratio of weight average molecular weight to number average molecular weig

Abstract: A thermoplastic resin composition which has low rigidity such as bending strength, bending modulus and tensile strength, high impact resistance, and further low stress and large energy absorption at the time of impact, high heat deformation resistance and excellent moldability and comprises 5 to 65 by weight of the copolymer (I) having Tg (glass transition temperature) of not more than 20.degree. C., 20 to 80 parts by weight of the maleimide copolymer (II) and 15 to 75 part by weight of the graft copolymer (III) having a graft ratio of 10 to 70% so that the total amount of the copolymers (I), (II) and (III) becomes 100 parts by weight, can be obtained.

Abstract: A resin composition is disclosed, which comprizes (I) a graft copolymer using a medium-size rubber particles grown by an acid-group-containing latex, (II) a graft copolymer using small-size rubber particles, (III) a styrene-acrylonitrile copolymer, and/or (IV) a styrene-maleimide copolymer, said resin composition containing 5-40 weight % of rubber. The resin composition is not only superior in impact strength, planar impact strength in particular and gloss, but is favorable in moldability and heat resistance.

Abstract: A thermoplastic resin composition is disclosed, which comprizes 5-55 weight % of a copolymer (A) whose glass transition temperature is not more than 0.degree. C., and 95-45 weight % of a high .alpha.-methylstyrene-content ABS resin (B) and/or a maleimide-type ABS resin (C), both (B) and (C) being not less than 100.degree. C. in thermal deformation temperature (load 18.6 kg/cm.sup.2), and said resin composition being not less than 10 kg.cm/cm in Izod impact strength (23.degree. C.). The resin composition provides molded articles less deformable at high temperatures, low in impact-induced stress, i.e, high in impact energy absorptivity, and thus is suitable for trim parts for use in interior decoration of automobiles.

Abstract: A reinforced resin composition comprising 100 parts by weight of a resin component comprising a polycarbonate resin, a thermoplastic polyester resin and an impact modifier in a ratio, by weight, of 90-10:10-90:0-40 and 0.5 to 100 parts by weight of kaolin with a mean particle diameter of 0.1 to 4.0 .mu.m. The composition can be molded by conventional techniques such as injection molding and extrusion molding into automotive parts, electrical or electronic parts and other products excellent in heat resistance, impact resistance, rigidity, dimensional stability, chemical resistance, moldability, weather resistance and thermal stability with a low linear coefficient of expansion and excellent surface gloss and appearance.

Abstract: A polyarylate comprising units derived from an aromatic carboxylic acid compound and units derived from a bisphenol compound and containing an epoxy group. According to the process of the present invention, the polyarylate having epoxy group can be economically prepared. Since the polyarylate of the present invention has epoxy group, it has the reactivity with amino group, hydroxyl group, acid anhydride group, or the like. Therefore, the polyarylate is mixed with another polymer to give a polymer alloy or is utilized as the precursor of a graft-copolymer, utilizing the reactivity.

Abstract: Thermoplastic resin compositions having excellent heat distortion resistance, impact resistance, chemical resistance and molding properties. The compositions are mixtures of a polyarylate, a polyamide and a specified graft copolymer or modified polyolefin.

Abstract: A thermoplastic resin composition having a matte appearance comprising:(A) 80-5 parts by weight of a graft copolymer obtained by grafting 40-95 parts by weight of diene rubber with 60-5 parts by weight of vinyl compounds consisting of0.1-40 weight % of at least one glycidyl ester of an .alpha.- and .beta.-unsaturated acid as an essential component,10-40 weight % of at least one vinyl cyanide compound,60-90 weight % of at least one aromatic vinyl compound, and0-30 weight % of other copolymerizable vinyl compounds, and(B) 20-95 parts by weight of a copolymer obtained through reaction of10-40 weight % of at least one vinyl cyanide compound,60-90 weight % of at least one aromatic vinyl compound, and0-30 weight % of other copolymerizable vinyl compounds, the intrinsic viscosity of the resin composition in terms of its components which are soluble in methyl ethyl ketone being 0.25-1.5 dl/g (N,N'-dimethyl formamide solution, 30.degree. C.).

Abstract: A thermoplastic resin composition having excellent impact resistance, heat distortion resistance and processability which comprises an aromatic polycarbonate and a thermoplastic resin prepared by polymerizing a monomer mixture containing mainly acrylonitrile and styrene in the presence of a diene rubber, adding .alpha.-methylstyrene or a monomer mixture containing mainly .alpha.-methylstyrene to the system, and continuing the polymerization, while gradually adding acrylonitrile or a monomer mixture containing mainly acrylonitrile.