公开(公告)号：US20140378568A1

公开(公告)日：2014-12-25

申请号：US14372713

申请日：2013-01-11

Applicant: NIPPON A&L INC.

Inventor： Jiichiro Yoshida ,  Nobuyuki Nakashima

IPC: C08L9/06 ,  C08L25/12

CPC classification number: C08L9/06 ,  C08F279/04 ,  C08J9/0061 ,  C08J9/103 ,  C08J2201/03 ,  C08J2203/04 ,  C08J2325/04 ,  C08J2425/12 ,  C08J2455/02 ,  C08L25/12 ,  C08L55/02 ,  C08L2201/08 ,  C08L2203/14 ,  C08L2205/025 ,  C08L25/14

Abstract: A rubber-reinforced styrene type resin composition for resin foams, the resin foams having a specific gravity of 0.3 to 0.7 and a ratio of the thickness of a skin layer to the thickness of the resin foam of 0.3 to 20%; the composition comprising: 10 to 99% by weight of a rubber-reinforced styrene type resin (A) which is obtained by bulk polymerization of a rubber polymer and an aromatic vinyl monomer, a vinyl cyanide monomer, and if necessary, another monomer that is copolymerizable with these monomers, a weight average particle diameter of the rubber polymer being 0.7 to 3 μm, and 1 to 90% by weight of a copolymer (B) which is obtained by copolymerizing an aromatic vinyl monomer, a vinyl cyanide monomer, and if necessary, another monomer that is copolymerizable with these monomers (with the total of the rubber-reinforced styrene type resin (A) and the copolymer (B) being 100% by weight).

Abstract translation: 用于树脂发泡体的橡胶增强苯乙烯类树脂组合物，比重为0.3〜0.7，树脂发泡体的表皮层的厚度与树脂发泡体的厚度的比例为0.3〜20％的树脂发泡体; 所述组合物包含：通过橡胶聚合物和芳族乙烯基单体的本体聚合获得的橡胶增强苯乙烯类树脂（A）10至99重量％，乙烯基氰单体，如果需要，另外的单体是 可与这些单体共聚，橡胶聚合物的重均粒径为0.7〜3μm，和1〜90重量％的共聚物（B），其通过使芳族乙烯基单体，乙烯基氰单体共聚而获得，如果 必要的是可与这些单体共聚的另一种单体（总共橡胶增强苯乙烯类树脂（A）和共聚物（B）为100重量％）。