Finely divided saponified ethylene-vinyl acetate interpolymers

Details Finely divided saponified ethylene-vinyl acetate interpolymers Finely divided saponified ethylene-vinyl acetate interpolymers

1976-09-09

1978-07-11

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 8, 526 11, C08F 812

Patent

active

041003357

ABSTRACT:
A process for the simultaneous saponification and dispersion of ethylene-vinyl acetate interpolymers into spherical particles having a number average particle size of about 10 microns or less is provided when an organic nitrogen base is used as the saponifying agent and a particular ethylene oxide-propylene oxide block copolymer is used as the dispersing agent.

REFERENCES:
patent: 2467774 (1949-04-01), Plambeck
patent: 3422049 (1969-01-01), McClain
patent: 3547858 (1970-12-01), Worrall

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