专利检索 ap:("MONTEDISON SPA") AND inv:"NISSIM GIORGIO" 第 1 页

1.

发明授权
Process for obtaining polyoxymethylenes having controlled molecular weight and products obtained therefrom 失效
标题翻译：获得具有受控分子量的聚甲基丙烯酰胺的方法和获得的产物

公开(公告)号：US3557058A

公开(公告)日：1971-01-19

申请号：US3557058D

申请日：1968-04-16

申请人： MONTEDISON SPA

发明人： FIORE LEONARDO , NISSIM GIORGIO , CRESPI ELIO

IPC分类号： C08G2/00 , C08G2/04 , C08G1/04 , C08G1/22

CPC分类号： C08G2/06 , C08G2/04 , C08G2/10

摘要： MODIFIED OXYMETHYLENE HOMOPOLYMERS AND COPOLYMERS HAVING PARTICULAR TERMINAL GROUPS AND CHARACTERIZED BY CONTROLLED MOLECULAR WEIGHT AND INCREASED THERMAL STABILITY ARE OBTAINED BY POLYMERIZING TRIOXANE OR MIXTURES THEREOF WITH OTHER MONOMERS IN THE PRESENCE OF PARTICULAR CHAIN-TRANSFER AGENTS.