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    • 4. 发明申请
    • BIODEGRADABLE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME
    • 可生物降解树脂组合物及其成型品
    • US20100041791A1
    • 2010-02-18
    • US12376732
    • 2007-08-09
    • Taizo AoyamaNobuo NakamuraYoshihiko HashimotoNoriyuki Suzuki
    • Taizo AoyamaNobuo NakamuraYoshihiko HashimotoNoriyuki Suzuki
    • C08K5/09
    • C08K5/0008C08K5/0016C08K5/103C08L67/04
    • 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.
    • 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。
    • 8. 发明授权
    • High nitrile content based resin and method of producing the same
    • 高腈含量树脂及其制备方法
    • US4478982A
    • 1984-10-23
    • US302182
    • 1981-09-14
    • Shoichi MatsumuraYoshihiko HashimotoHiroyasu FurukawaMasaaki Azuma
    • Shoichi MatsumuraYoshihiko HashimotoHiroyasu FurukawaMasaaki Azuma
    • C08F279/04C08F285/00
    • C08F279/04C08F285/00
    • A high nitrile content based resin produced by graft polymerizing in the presence of a rubber, a first group of monomers in a first polymerization step, then a second group of monomers in a second polymerization step, wherein the resin comprises (A) 5 to 25 parts by weight of said rubber; (B) 5 to 40 parts by weight of the product of said first polymerization step comprising 30 to 60 weight percent unsaturated nitrile and 70 to 40 weight percent vinyl compound having aromatic vinyl compound as an essential element; and (C) 35 to 90 parts by weight of the product of said second polymerization step comprising 60 to 85 weight percent unsaturated nitrile and 40 to 15 weight percent vinyl compound having aromatic vinyl compound an alkyl methacrylate and/or alkyl acrylate; wherein the resin has higher impact resistance, excellent processibility together with the properties of excellent gas barrier and chemical resistance.
    • 在第一聚合步骤中,在橡胶存在下,第一组单体,然后第二聚合步骤中的第二组单体接枝聚合制备的高腈含量基树脂,其中所述树脂包含(A)5至25 所述橡胶重量份; (B)5〜40重量份的所述第一聚合步骤的产物包含30-60重量%的不饱和腈和70-40重量%的具有芳族乙烯基化合物作为必需元素的乙烯基化合物; 和(C)35至90重量份的所述第二聚合步骤的产物包含60至85重量%的不饱和腈和40至15重量%的具有芳族乙烯基化合物的乙烯基化合物,甲基丙烯酸烷基酯和/或丙烯酸烷基酯; 其中树脂具有较高的抗冲击性,优异的加工性以及优异的阻气性和耐化学性的特性。
    • 10. 发明授权
    • Thermoplastic resin composition comprising a vinyl chloride polymer and
a graft copolymer
    • 包含氯乙烯聚合物和接枝共聚物的热塑性树脂组合物
    • US3994991A
    • 1976-11-30
    • US607823
    • 1976-08-25
    • Shoji OkamiShigeki YasunagaYoshihiko HashimotoTeizo Saito
    • Shoji OkamiShigeki YasunagaYoshihiko HashimotoTeizo Saito
    • C08L27/06C08L51/00C08L51/04
    • C08L27/06C08L51/003
    • A thermoplastic resin composition of vinyl chloride polymer improved in impact strength and weather resistance, which comprises (1) 30 to 97 parts by weight of at least one of vinyl chloride polymers having not less than 70% by weight of vinyl chloride units and (2) 70 to 3 parts by weight of at least one of graft copolymers comprising (2-1) a backbone polymer and (2-2) monomers grafted in two stages thereon in a proportion of 20 : 80 to 80 : 20 by weight, the backbone polymer comprising (2-1-1) units of at least one of alkyl acrylates, of which not more than 20% by weight may be substituted with units of at least one of monovinylic monomers copolymerizable therewith, and (2-1-2) units of at least one of cross-linkable monomers in an amount of 0.01 to 10% by weight of the alkyl acrylates and, when used, the monovinylic monomers and the graft monomers comprising (2-2-1) 30 to 100% by weight of at least one of alkyl methacrylates, 0 to 70% by weight of at least one of aromatic vinyl compounds, 0 to 50% by weight of at least one of vinylic cyanides and 0 to 30% by weight of at least one of other monomers copolymerizable therewith based on the total weight of these monomers as those grafted at the first stage and (2-2-2) 85 to 100% by weight of at least one of aromatic vinyl compounds, alkyl acrylates and vinyl esters and 0 to 15% by weight of at least one of other monomers copolymerizable therewith based on the total weight of these monomers as those grafted at the second stage in a proportion of 95 : 5 to 50 : 50 by weight.
    • 一种改进了耐冲击性和耐候性的氯乙烯聚合物的热塑性树脂组合物,其包含(1)30至97重量份的至少一种不少于70重量%的氯乙烯单元的氯乙烯聚合物和(2 )70至3重量份的至少一种接枝共聚物,其包含(2-1)主链聚合物和(2-2)以其重量比为20:80至80:20的比例以两步接枝的单体, 包含(2-1-1)单元的主链聚合物,其中至少一种丙烯酸烷基酯,其不超过20重量%可以被可与其共聚的单乙烯基单体中的至少一种的单元取代;和(2-1-2) 的至少一种可交联单体的量为0.01-10重量%的丙烯酸烷基酯,并且当使用时,单乙烯基单体和接枝单体包含(2-2-1)30至100% 至少一种甲基丙烯酸烷基酯的重量,0至70重量%的至少一种芳族乙烯基化合物 0至50重量%的至少一种乙烯基氰化物和0至30重量%的至少一种可与其共聚的其它单体,基于这些单体的总重量,如在第一阶段接枝的那些,和(2- 2-2)85至100重量%的芳族乙烯基化合物,丙烯酸烷基酯和乙烯基酯中的至少一种和0至15重量%的可与其共聚的至少一种其它单体,基于这些单体的总重量,作为那些 在第二阶段以95:5至50:50的比例接枝。