Invention Grant
- Patent Title: Process for the production of sulphur-modified polychloroprenes
- Patent Title (中): 生产硫改性聚氯乙烯的方法
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Application No.: US3595847DApplication Date: 1968-12-30
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Publication No.: US3595847APublication Date: 1971-07-27
- Inventor: MAYER-MADER RUDOLF , WOLFF WILLI , HUTHER EDMUND
- Applicant: BAYER AG
- Assignee: Bayer Ag
- Current Assignee: Bayer Ag
- Priority: DE1720111 1968-01-12
- Main IPC: C08C3/00
- IPC: C08C3/00 ; C08C19/08 ; C08F36/16 ; C08F236/16 ; C08D1/09 ; C08D5/00 ; C08F27/06
Abstract:
PROCESS FOR PRODUCING SULPHUR-MODIFIED CHLOROPRENE POLYMERS HAVING A PREDETERMINED MOONEY VISCOSITY BY POLYMERISING CHLOROPRENE AND UP TO 20% BY WEIGHT OF A COMONOMER IN AQUEOUS EMULSION WITH A PEPTISING AGENT, WHERE COAGULATION OF THE LATEX IS EFFECTED IMMEDIATELY AFTER ADDITION OF THE PEPTISING AGENT AND THAT THE POLYMER IS DRIED UNTIL A MOONEY VISCOSITY OF 30 TO 10 MOONEY UNITS ABOVE THE POTENTIAL MINIMUM IS OBTAINED.
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