Process for forming a powdered sulfonated EPDM terpolymer (C-951

Details Process for forming a powdered sulfonated EPDM terpolymer (C-951 Process for forming a powdered sulfonated EPDM terpolymer (C-951

1980-04-01

1982-03-23

Henderson, C. A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525212, 528500, 528502, C08F 836, C08C 1920

Patent

active

043213405

ABSTRACT:
The present invention relates to a process for the forming of a powdered composition of a sulfonated EPDM terpolymer, having less than 1.25 wt. % ENB wherein the powder has a particle size distribution of from about 500 to about 3,000 microns, a water content of less than 2 wt. %, and a sulfonate content of less than 250 meq./100 g polymer.

REFERENCES:
patent: 3284393 (1966-11-01), Vanderhoff
patent: 3468833 (1969-09-01), Meincke
patent: 3642728 (1972-02-01), Canter
patent: 3801531 (1974-04-01), Berejka
patent: 4131586 (1978-12-01), Makowski
patent: 4147677 (1979-04-01), Lundberg et al.
patent: 4187206 (1980-02-01), Brenner

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