Preparation of vinylpyrrolidone/vinyl acetate copolymers of vari

Details Preparation of vinylpyrrolidone/vinyl acetate copolymers of vari Preparation of vinylpyrrolidone/vinyl acetate copolymers of vari

1982-09-20

1985-05-28

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526216, 526264, C08F21808, C08F22610

Patent

active

045201790

ABSTRACT:
Vinylpyrrolidone and vinyl acetate monomers are polymerized using free radical initiator consisting of t-Butylperoxypivalate and preferably in solvent consisting essentially of water, isopropyl alcohol, sec. butyl alcohol or mixtures thereof to produce vinyl pyrrolidone/vinyl acetate copolymer.

REFERENCES:
patent: 3862915 (1975-01-01), Fried et al.
patent: 3910862 (1975-10-01), Barabas et al.
patent: 4027083 (1977-05-01), Herrle
patent: 4058655 (1977-11-01), Denzinger et al.
patent: 4361689 (1982-11-01), Patel et al.

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