Method of producing graft copolymers of cellulose with vinylpyri

Details Method of producing graft copolymers of cellulose with vinylpyri Method of producing graft copolymers of cellulose with vinylpyri

1978-10-02

1980-04-22

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 174R, 260 174CL, 521 25, C08L 102

Patent

active

041994850

ABSTRACT:
A method of producing graft copolymers of cellulose with vinylpyridines, residing in free-radical graft copolymerization of cellulose with vinylpyridines from water emulsions in the presence of an emulsifier, namely, partially saponified polyvinylacetate containing 5-15 mass % of acetate groups, and an initiator of a free-radical type. The method makes it possible to perform a free-radical graft copolymerization with a high conversion of monomers (up to 78%) without the formation of free homopolymers.

REFERENCES:
patent: 3880736 (1975-04-01), Garnett
Chem Absts., vol. 82: 87064p, Vinyl Acetate--Ethylene Copolymer Latex, Koshima et al.

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