Unsaturated ethylene-vinyl acetate copolymers and unsaturated po

Details Unsaturated ethylene-vinyl acetate copolymers and unsaturated po Unsaturated ethylene-vinyl acetate copolymers and unsaturated po

1974-10-30

1977-01-18

Hamrock, William F.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 27, 526 30, 526 14, 526 22, C08F21002, C08F21808, C08F 850

Patent

active

040040690

ABSTRACT:
A method of deacetylation of ethylene-vinyl acetate copolymers to produce the corresponding olefinicaly unsaturated, linear polymers. The ethylene-vinyl acetate copolymers are deacetylated under a vacuum of less than about 50 Torr, by splitting acetic acid from the copolymers, and while continuously stirring the copolymers.

REFERENCES:
patent: 2388169 (1945-10-01), McAlevy et al.
patent: 3451983 (1969-06-01), VAN Saane et al.

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