发明授权
US5258465A Polymeric peroxide, polymerization initiator and method for production
of block copolymer
失效
聚合过氧化物，聚合引发剂和嵌段共聚物的制备方法
- 专利标题： Polymeric peroxide, polymerization initiator and method for production of block copolymer
- 专利标题（中）： 聚合过氧化物，聚合引发剂和嵌段共聚物的制备方法
-
申请号： US703832申请日： 1991-05-21
-
公开(公告)号： US5258465A公开(公告)日： 1993-11-02
- 发明人: Shuji Suyama , Yasumasa Watanabe , Hideyo Ishigaki , Hiromi Kumura
- 申请人： Shuji Suyama , Yasumasa Watanabe , Hideyo Ishigaki , Hiromi Kumura
- 申请人地址： JPX Tokyo
- 专利权人： Nippon Oil & Fats Co., Ltd.
- 当前专利权人： Nippon Oil & Fats Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX2-137099 19900529
- 主分类号： C08G67/00
- IPC分类号： C08G67/00 ; C08F2/00 ; C08F4/28 ; C08F4/36 ; C07C409/00 ; C07C409/30 ; C07C409/34 ; C07C409/38
摘要：
An ester type polymeric peroxide; has a peroxide group of the formula (I): ##STR1## a group of the formula (I') ##STR2## a group of the formula (II) ##STR3## wherein X stands for one member selected from the group consisting of --CH.sub.2 --CH.sub.2 --, --C.tbd.C-- and ##STR4## continuously bound such that I and I' occur randomly in alternation with II, having a (I):(I') molar ratio in the range of from 9:1 to 1:9 and the [(I)+(I')]:(II) molar ratio in the range of from 6:4 to 4:6, and having an average molecular weight in the range of from 1,000 to 20,000, a polymerization initiator for vinyl type monomer comprising said ester type polymeric peroxide and method for the production of a block copolymer of vinyl type monomer by said polymerization initiator.
公开/授权文献
- US5768965A Cash drawer assembly with cutter 公开/授权日：1998-06-23
信息查询
