EP 0000083 B1 19811202 - USE OF VINYLCHLORIDE POLYMER POWDERS IN THE MANUFACTURE OF BATTERY SEPARATORS
Title (en)
USE OF VINYLCHLORIDE POLYMER POWDERS IN THE MANUFACTURE OF BATTERY SEPARATORS
Publication
Application
Priority
FR 7717798 A 19770607
Abstract (en)
[origin: ES470544A1] Process for the polymerization of vinyl chloride in aqueous suspension in the presence of a dispersing system comprising a cellulosic derivative and an anionic emulsifying agent wherein the polymerizaton is initiated by an oil-soluble initiator and a water-soluble free radical polymerization initiator is added in the course of polymerization. The thus obtained polyvinyl chloride powders are particularly suitable for the production of battery separators.
IPC 1-7
IPC 8 full level
C08F 2/00 (2006.01); C08F 2/16 (2006.01); C08F 2/18 (2006.01); C08F 14/00 (2006.01); C08F 2/20 (2006.01); C08F 4/00 (2006.01); C08F 4/28 (2006.01); C08F 14/06 (2006.01); H01M 50/414 (2021.01)
CPC (source: EP US)
C08F 14/06 (2013.01 - EP US); H01M 50/414 (2021.01 - EP US); Y02E 60/10 (2013.01 - EP); Y10S 526/91 (2013.01 - EP US); Y10S 526/911 (2013.01 - EP US)
C-Set (source: EP US)
Designated contracting state (EPC)
BE CH DE FR GB LU NL SE
DOCDB simple family (publication)
EP 0000083 A1 19781220; EP 0000083 B1 19811202; AT 369754 B 19830125; AT A410978 A 19820615; DE 2861393 D1 19820128; ES 470544 A1 19790101; FI 63767 B 19830429; FI 63767 C 19830810; FI 781810 A 19781208; FR 2393815 A1 19790105; FR 2393815 B1 19800118; IT 1098315 B 19850907; IT 7824304 A0 19780607; JP S543895 A 19790112; US 4243562 A 19810106
DOCDB simple family (application)
EP 78200027 A 19780601; AT 410978 A 19780606; DE 2861393 T 19780601; ES 470544 A 19780606; FI 781810 A 19780607; FR 7717798 A 19770607; IT 2430478 A 19780607; JP 6757978 A 19780605; US 91181178 A 19780602