Simultaneously chlorinating and grafting a cure site onto...

Details Simultaneously chlorinating and grafting a cure site onto... Simultaneously chlorinating and grafting a cure site onto...

C - Chemistry, Metallurgy

08

F

400/2054

C08F 255/02 (2006.01) C08F 8/22 (2006.01) C08F 8/46 (2006.01)

Patent

CA 1218176

TITLE SIMULTANEOUSLY CHLORINATING AND GRAFTING A CURE SITE ONTO POLYETHYLENE IN AN AQUEOUS SUSPENSION ABSTRACT OF THE DISCLOSURE A chlorinated polyethylene elastomer is made by mixing polyethylene with water to form an aqeous suspension of the polyethylene and simultaneously chlorinating and grafting a cure site on the polyethylene by mixing and heating the aqueous suspension containing a free radical initiator, gaseous chlorine and about 0.1-1.5 moles per kg of polyethylene of an alkyl or alkylaryl monester of butenedioic acid having the formulas Image or mixtures thereof, where R1 is an alkyl or alkylaryl group having from about 8-20 carbon atoms and R2 and R3 are hydrogen, chlorine or an alkyl group having from about 1-4 carbon atoms.

470070

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