Reaction products of a hydrolyzed styrene-maleic anhydride copol

Details Reaction products of a hydrolyzed styrene-maleic anhydride copol Reaction products of a hydrolyzed styrene-maleic anhydride copol

1979-05-18

1981-01-06

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

428511, 428535, C08L 312

Patent

active

042435641

ABSTRACT:
The volatile alkali salt of the reaction product of a waxy starch product having a high amylopectin content and styrene-maleic anhydride copolymer and the method of making such product comprising hydrolyzing the copolymer in the presence of the high amylopectin starch product at an elevated temperature and in the presence of water for a time sufficient to hydrolyze the copolymer, disperse the starch in water, and permit the copolymer and starch to react, adding a volatile alkali to the heated mixture, and continuing the heating for a time sufficient to form the volatile alkali salt of said reaction product. The invention also comprises coatings comprising the volatile alkali salt of said reaction product.

REFERENCES:
patent: Re26510 (1968-12-01), Mazzarella et al.
patent: 3366587 (1968-01-01), Uffner
patent: 3368987 (1968-02-01), Pollart et al.
patent: 3730925 (1973-05-01), Kovats
patent: 3939108 (1976-02-01), Sirota et al.

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