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公开(公告)号:US3585171A
公开(公告)日:1971-06-15
申请号:US3585171D
申请日:1968-06-27
申请人: BASF AG
发明人: STEINHOFER ADOLF , PATSCH MANFRED , DOERFEL HELMUT , FALKENSTEIN GEORG , JESTERICH WOLFGANG-DIETER
CPC分类号: C08G69/20
摘要: A PROCESS FOR ACCELERATING POLYMERIZATION OF LACTAMS CARRIED OUT IN THE PRESENCE OF ALKALINE CATALYSTS AT TEMPERATURES OF FROM 80* TO 200*C. USING LACTAM-N-CARBOXYLIC ACID CARBAZOLAMIDES AS ACTIVATORS.
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公开(公告)号:US3703595A
公开(公告)日:1972-11-21
申请号:US3703595D
申请日:1970-04-20
申请人: BASF AG
CPC分类号: C08G69/26
摘要: GLASS-CLEAR POLYAMIDES CONSISTING ESSENTIALLY OF POLYMERIC CONDENSATION PRODUCTS OF A MIXTURE OF STEREOISOMERS OF 2,2-BIS-(4-AMINOCYCLOHEXYL)-PROPANE AQND AN ALIPHATIC OR CARBOXYCLIC DICARBOXYLIC ACID HAVING SIX TO TEN CARBON ATOMS AND, IF DESIRED, CAPROLACTAM OR ADIPIC ACID AND HEXAMETHYLENE-DIAMINE. THE POLYAMIDES ARE USEFUL FOR THE PRODUCTION OF MOLDINGS.
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公开(公告)号:US3903126A
公开(公告)日:1975-09-02
申请号:US42371573
申请日:1973-12-11
申请人: BASF AG
IPC分类号: C07C275/62 , C08G18/78 , C08G18/80 , C07C119/04
CPC分类号: C08G18/7831 , C07C275/62 , C07C2601/14 , C08G18/8038
摘要: Biuret group-containing polyisocyanates are produced by reacting aliphatic and/or cycloaliphatic diamines with polyisocyanates.
摘要翻译: 通过使脂族和/或脂环族二胺与多异氰酸酯反应制备含缩脲基的多异氰酸酯。
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公开(公告)号:US3621001A
公开(公告)日:1971-11-16
申请号:US3621001D
申请日:1968-07-08
申请人: BASF AG
发明人: STEINHOFER ADOLF , DOERFEL HELMUT , FALKENSTEIN GEORG , JESERICH WOLFGANG-DIETER , REICHEL BERND
CPC分类号: C08G69/20
摘要: A process for accelerating the base catalyzed polymerization of lactams carried out at temperatures of 80* to 200* C. using N,N'' -disubstituted arylenedicarbamoyl lactams as activators.
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公开(公告)号:US3562221A
公开(公告)日:1971-02-09
申请号:US3562221D
申请日:1968-01-15
申请人: BASF AG
CPC分类号: C08G69/20
摘要: A PROCESS FOR ACCELERATING ANIONIC POLYMERIZATION OF LACTAMS IN THE PRESENCE OF ALKALINE POLYMERIZATION CATALYSTS AND ACTIVATORS AT FROM 80* TO 200*C. IN THE PRESENCE OR ABSENCE OF INERT SOLVENTS, IN WHICH N-(N'',N''-DIPHENYLCARBAMOYL)-LACTAMS HAVING FOUR TO THIRTEEN MEMBERS IN THE LACTAM RING ARE USED AS ACTIVATORS.
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