Melt dispersion saponification of ethylene-vinyl acetate polymer

Details Melt dispersion saponification of ethylene-vinyl acetate polymer Melt dispersion saponification of ethylene-vinyl acetate polymer

1977-07-05

1978-08-01

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 812

Patent

active

041044533

ABSTRACT:
This invention relates to a new and useful process for the production of saponified ethylene-vinyl acetate polymers in the form of finely divided particles by dispersing the saponified polymer in the presence of an ethylene oxide-propylene oxide block copolymer and at least one other anionic dispersant selected from the group consisting of the salt of a polycarboxylic acid and a condensed arylsulfonate salt.

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patent: 3510463 (1970-05-01), Bristol
patent: 3586654 (1971-06-01), Lerman et al.
patent: 3669922 (1972-06-01), Bartsch et al.
patent: 3674736 (1972-07-01), Lerman et al.
patent: 4027079 (1977-03-01), McClain
C.A. 74, 32375v.
C.A. 74, 54620y.

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