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公开(公告)号：US3770689A
公开(公告)日：1973-11-06
申请号：US3770689D
申请日：1971-01-21
Applicant: STAMICARBON
Inventor： VAN DER LOOS J , CLAASSEN P
CPC classification number: C08G69/18 , C08L77/02 , C08L2666/02
Abstract: AN IMPROVED PROCESS FOR THE ANIONIC, CATALYTIC POLYMERIZATION OF LACTAMS WITH THE AID OF ONE OR MORE PROMOTERS IS DISCLOSED WHEREBY A POLYAMIDE POLYMER HAVING IMPROVED IMPACT RESISTANCE IS PRODUCED. THE POLYMERIZATION IS CARRIED OUT IN THE PRESENCE OF A POLYETHER WITH ETHERIFIED OH GROUPS AND WHICH IS SOLUBLE IN THE MOLTEN LACATAM REACTION MIXTURE.
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