Process for preparing latices of sulfonated elastomers

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

1975-07-02

1977-02-08

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 297EM, 260 297AT, 260 297T, 260 793R, C08L 4700

Patent

active

040071499

ABSTRACT:
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.

REFERENCES:
patent: 3444121 (1969-05-01), Altier et al.
patent: 3503917 (1970-03-01), Burke
patent: 3642728 (1972-02-01), Canter
patent: 3836511 (1974-09-01), O'Farrell
patent: 3912683 (1975-10-01), O'Farrell

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