Method of preparing crosslinked starch esters

Details Method of preparing crosslinked starch esters Method of preparing crosslinked starch esters

1995-03-31

1997-05-13

Nutter, Nathan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536102, 536107, 536110, C08B 3100, C08B 3300, C08B 3500

Patent

active

056294166

ABSTRACT:
A process for preparing biodegradable, high humidity resistant crosslinked starch esters comprising reacting starch with monocarboxylic acid anhydride in a caustic catalyzed system to a DS of about 1.3 to 2.7 and crosslinking the starch ester in the same reaction mixture with polyfunctional acid and/or anhydride.

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patent: 4011392 (1977-03-01), Rudolph et al.
patent: 4061611 (1977-12-01), Glowaky et al.
patent: 4100342 (1978-07-01), Finley
patent: 4501888 (1985-02-01), Schmidt
patent: 5138006 (1992-08-01), Cook et al.
A. M. Mark et al., "Acetylation of High-Amylose Corn Starch", Die Starke 22, (1970) pp. 108-111.
C. A. Burkhard et al., "Derivatives of Starch", Rayon Textile Monthly, Jun. 1942, pp. 58-61.
L. H. Kruger et al., "Production and Uses of Starch Acetates", Starch: Chemistry and Technology, vol. 11, 1967, pp. 369-382.

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