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1.发明授权Preparation of polyamide from epsilon epsilon'-bis(epsilon-caprolactam) 失效来自EPSILON EPSILON'-BIS（EPSILON-CAPROLACTAM）的聚酰胺的制备
公开(公告)号：US3658765A
公开(公告)日：1972-04-25
申请号：US3658765D
申请日：1969-08-29
Applicant: STAMICARBON
Inventor： VEERMANS ANTONIE , KOCK ROBERT J DE
Abstract: THE COMPOUND E,E''-BIS(E-CAPROLACTAM) IS DISCLOSED. E,E''-BIS-E-CAPROLACTAM) IS PREPARED BY ULTRAVIOLET RAY IRRADIATING E-CAPROLACTAM IN THE PRESENCE OF KETONE ACTIVATION AGENTS, E,E''-BIS(E-CAPROLACTAM) CAN BE HOMOPOLYMERIZED TO PRODUCE USEFUL POLAMIDES OR MAY BE COPOLYMERIZED WITH OTHER POLYAMIDE-FORMING SUBSTANCES, SUCH AS E-CAPROLACTAM, TO FORM USEFUL POLYAMIDE COPOLYMERS.
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2.发明授权Preparation of epsilon,epsilon'-bis(epsilon-caprolactam) 失效EPSILON，EPSILON-BIS（EPSILON-CAPROLACTAM）的制备
公开(公告)号：US3541081A
公开(公告)日：1970-11-17
申请号：US3541081D
申请日：1968-05-27
Applicant: STAMICARBON
Inventor： KOCK ROBERT J DE , VEERMANS ANTONIE , FRANSSEN PIERRE J
IPC: C07D223/10 , C07D41/06
CPC classification number: C07D223/10
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