摘要:
Disclosed is a resin composition excellent in impact resistance, tensile properties and processability such as draw down property, which is produced by using a plant-derived biodegradable polymer produced by actively fixing carbon dioxide present in the earth. A resin composition comprising (A) a specific biodegradable (3-hydroxyalkanoate) copolymer, (B) a graft copolymer and (C) an acrylic processing modifier, the graft copolymer (B) and the acrylic processing modifier (C) being contained in the composition in amounts of 0.1 to 100 parts by weight and 0.1 to 30 parts by weight, respectively, based on 100 parts by weight of the biodegradable (3-hydroxyalkanoate) copolymer (A).
摘要:
An object of the invention is to provide a resin composition which is particularly excellent in impact resistance, tensile elongation characteristics, heat resistance, surface properties, moldability and the like accompanied by less time dependent alteration of these properties and which is produced by mixing a certain plasticizer with a biodegradable polymer of plant origin, and to provide a molded product of the composition. The present invention can provide a resin composition comprising a biodegradable 3-hydroxyalkanoate copolymer (A) and a plasticizer (B), wherein: the biodegradable 3-hydroxyalkanoate copolymer (A) has a recurring unit represented by the structure formula (1): [—CHR—CH2—CO—O—] (wherein, R represents an alkyl group represented by CnH2n+1; and n is an integer of 1 to 15); the plasticizer (B) is based upon a polyglycerol acetic acid ester having an acetylation degree of no less than 50% ester.
摘要翻译:本发明的目的是提供一种特别优异的耐冲击性,拉伸伸长特性,耐热性,表面性能,成型性等的树脂组合物,伴随着这些性质的时间依赖性改变,并且通过混合某些 具有植物来源的可生物降解聚合物的增塑剂,并提供该组合物的模制产品。 本发明可以提供一种包含可生物降解的3-羟基链烷酸酯共聚物(A)和增塑剂(B)的树脂组合物,其中:所述可生物降解的3-羟基链烷酸酯共聚物(A)具有由结构式(1)表示的重复单元: -CHR-CH 2 -CO-O-](其中,R表示由C n H 2n + 1表示的烷基,n表示1〜15的整数)表示。 增塑剂(B)基于乙酰化程度不低于50%的聚甘油乙酸酯。
摘要:
Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.
摘要:
The present invention has its object to provide a resin composition excellent in impact resistance, tensile properties and transparency using a plant-derived biodegradable polymer obtained by positive fixation of carbon dioxide on the earth and, moldings thereof, and, further, provide a resin composition and moldings thereof improved in processability and thermal stability. The present invention relates to a resin composition which comprises (A) an aliphatic polyester type biodegradable polymer and (B) at least one copolymer selected from the group consisting of composite rubber graft copolymers (b1) and core-shell type graft copolymers (b2); or, a resin composition which comprises (A) an aliphatic polyester type biodegradable polymer and (C) at least one compound selected from the group consisting of sorbitol compounds (c1) having a particular chemical structure and urea bond-containing substituted urea compounds (c2).
摘要:
Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.
摘要:
Disclosed is a resin composition excellent in impact resistance, tensile properties and processability such as draw down property, which is produced by using a plant-derived biodegradable polymer produced by actively fixing carbon dioxide present in the earth. A resin composition comprising (A) a specific biodegradable (3-hydroxyalkanoate) copolymer, (B) a graft copolymer and (C) an acrylic processing modifier, the graft copolymer (B) and the acrylic processing modifier (C) being contained in the composition in amounts of 0.1 to 100 parts by weight and 0.1 to 30 parts by weight, respectively, based on 100 parts by weight of the biodegradable (3-hydroxyalkanoate) copolymer (A).
摘要:
An object of the invention is to provide a resin composition which is particularly excellent in impact resistance, tensile elongation characteristics, heat resistance, surface properties, moldability and the like accompanied by less time dependent alteration of these properties and which is produced by mixing a certain plasticizer with a biodegradable polymer of plant origin, and to provide a molded product of the composition. The present invention can provide a resin composition comprising a biodegradable 3-hydroxyalkanoate copolymer (A) and a plasticizer (B), wherein: the biodegradable 3-hydroxyalkanoate copolymer (A) has a recurring unit represented by the structure formula (1): [—CHR—CH2—CO—O—] (wherein, R represents an alkyl group represented by CnH2n+1; and n is an integer of 1 to 15); the plasticizer (B) is based upon a polyglycerol acetic acid ester having an acetylation degree of no less than 50% ester.
摘要翻译:本发明的目的是提供一种特别优异的耐冲击性,拉伸伸长特性,耐热性,表面性能,成型性等的树脂组合物,伴随着这些性质的时间依赖性改变,并且通过混合某些 具有植物来源的可生物降解聚合物的增塑剂,并提供该组合物的模制产品。 本发明可以提供一种包含可生物降解的3-羟基链烷酸酯共聚物(A)和增塑剂(B)的树脂组合物,其中:所述可生物降解的3-羟基链烷酸酯共聚物(A)具有由结构式(1)表示的重复单元: -CHR-CH 2 -CO-O-](其中,R表示由C n H 2n + 1表示的烷基,n表示1〜15的整数)表示。 增塑剂(B)基于乙酰化程度不低于50%的聚甘油乙酸酯。
摘要:
A sealing material for insulating glass eliminating problem necessity of long-time aging after production is provided and a resin composition having high long-term adhesion strength, high shape retention, and high gas-barrier property and especially having excellent hot-melt adhesive property is also provided. The sealing material for insulating glass including a resin composition having hot-melt adhesive property contains an isobutylene-based diblock copolymer (A) composed of a polymer block (a) containing an aromatic vinyl compound as a constituent monomer and a polymer block (b) containing isobutylene as a constituent monomer.
摘要:
The present invention relates to a sealing material composition comprising a novel resin composition and excellent not only in gas barrier properties but also in hot melt adhesive properties, in particular. It also relates to a sealing material made by using the above-mentioned composition, in particular a sealing material for double glazing. The present invention can be accomplished by using a sealing material composition which comprises an alkenyl group-terminated isobutylene-based polymer (A), a thermoplastic resin (B) and a compound (C) containing at least two hydrosilyl groups within the molecule thereof.
摘要:
An object of the present invention is to provide a thermoplastic elastomer composition which is highly flexible while maintaining vibration damping properties, as a feature of an isobutylene polymer, and is excellent in moldability and rubber-like properties, and also has particularly improved permanent compression set. The object is achieved by a thermoplastic elastomer composition comprising (A) a composition obtained by crosslinking an isobutylene polymer having an alkenyl group at the molecular ends with a hydrosilyl group-containing compound while melt-kneading in the presence of at least one kind selected from an aromatic vinyl-containing thermoplastic elastomer and an olefinic resin, and (B) at least one kind selected from the group consisting of an aromatic vinyl-containing thermoplastic elastomer and an olefinic resin.