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1.发明授权Process for the anionic polymerization of pyrrolidone with fluoro-or chlorofluoro olefin as activator 失效吡咯烷酮与氟或氯氟醚作为活化剂的阴离子聚合方法
公开(公告)号：US3850890A
公开(公告)日：1974-11-26
申请号：US36831473
申请日：1973-06-08
Applicant: MONTEDISON SPA
Inventor： CIAPERONI A
CPC classification number: C08G69/24
Abstract: 1. A PROCESS FOR THE ANIONIC POLYMERIZATION OF PYRROLIDONE TO A FIBER-FORMING POLYPYRROLIDONE WHICH COMPRISES POLYMERIZING SAID MONOMER IN CONTACT WITH A CATALYTIC SYSTEM CONSISTING ESSENTIALLY OF AN ALKALI METAL OR QUATERNARY AMMONIUM PYRROLIDONATE AND, AS ACTIVATOR, A SUBSTITUTED OLEFIN HAVING THE GENERAL FORMULA
CF2=CFX
WHEREIN X IS F, CL, CF3, CF2CL, CFCL2 OR CCL3.-
2.发明授权Process for polymerizing lactams with trityl-4-n-trityl amino butyrate 失效用TRYL-4-N-三氨基甲酸丁酯聚合LACTAMS的方法
公开(公告)号：US3745152A
公开(公告)日：1973-07-10
申请号：US3745152D
申请日：1971-03-17
Applicant: MONTEDISON SPA
Inventor： CRAVINI G , CIAPERONI A , PONTOGLIO E
CPC classification number: C08G69/20
Abstract: A PROCESS FOR THE ANIONIC POLYMERIZATION OF LACTAMS IN THE PRESENCE OF A TRITYLIC DERIVATIVE AS POLYMERIZATION ACTIVATOR IS DISCLOSED. THE TRITYLIC DERIVATIVE, TRITYL-4-N-TRITYLAMINOBUTYRATE IS A NEW PRODUCT IN THE ART. A PROCESS FOR MAKING IT IS ALSO DISCLOSED.
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