公开(公告)号：US5310823A

公开(公告)日：1994-05-10

申请号：US23147

申请日：1993-02-24

申请人： Masaki Kunitomi ,  Hiromitsu Ishii ,  Yoshiyuki Yamamoto

发明人： Masaki Kunitomi ,  Hiromitsu Ishii ,  Yoshiyuki Yamamoto

IPC分类号： C08L59/00 ,  C08L67/02 ,  C08L59/02 ,  C08L59/04

CPC分类号： C08L59/00 ,  C08L67/02

摘要： A polyacetal resin composition having a volume resistivity lower than 10.sup.14 [.OMEGA..multidot.cm], which comprises (A) 100 parts by weight of a polyacetal resin and (B) 1 to 100 parts by weight of a polyether ester block copolymer which is derived from (a) a dicarboxylic acid component composed mainly of terephthalic acid, (b) a glycol component composed mainly of 1,4-butanediol and (c) a poly(ethylene oxide)glycol having a number average molecular weight of 500 to 20,000 and has a poly(ethylene oxide) dicarboxylate unit content of 20 to 95% by weight, has excellent antistatic characteristics and mechanical characteristics, and especially a high impact resistance.

摘要翻译： 体积电阻率低于1014 [OMEGA×cm]的聚缩醛树脂组合物，其包含（A）100重量份的聚缩醛树脂和（B）1至100重量份的源自（ a）主要由对苯二甲酸组成的二羧酸组分，（b）主要由1,4-丁二醇组成的二醇组分和（c）数均分子量为500至20,000的聚（环氧乙烷）二醇，并具有 聚（环氧乙烷）二羧酸酯单元含量为20〜95重量％，具有优异的抗静电特性和机械特性，特别是耐冲击性优异。