Process for preparing latices of sulfonated elastomers

Details Process for preparing latices of sulfonated elastomers Process for preparing latices of sulfonated elastomers

C - Chemistry, Metallurgy

08

F

400/5916

C08F 8/36 (2006.01) C09D 3/733 (1980.01)

Patent

CA 1100655

U.S. ?42,451 ABSTRACT OF THE DISCLOSURE Sulfonated ionomers of low unsaturation polymers in latex form are prepared in an improved process comprising sulfonating a butyl rubber or EPDM elastomer cement with an acyl sulfate, passivating the sulfonated cement with an organic epoxide, such as propylene oxide, and emulsifying the product in water with an anionic emulsifying agent.

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