Polygalactomannan gum formate esters

Details Polygalactomannan gum formate esters Polygalactomannan gum formate esters

1975-04-28

1977-03-08

Gotts, Lewis

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

Organic compounds

Carbohydrates or derivatives

536119, C08B 3700

Patent

active

040113930

ABSTRACT:
This invention provides novel guar gum formate esters having a degree of substitution between about 0.01 and 3.0, and further provides a process for producing guar gum formate esters by the interaction of guar gum powder or guar gum splits with concentrated formic acid. The invention process represents a general method for formylation of polygalactomannan gums. The polygalactomannan gum formate esters are useful as flocculants, and as sizing agents for paper and textiles.

REFERENCES:
patent: 3580841 (1971-05-01), Cadotte et al.
Fieser et al., "Reagents for Organic Chem. (Synthesis)", Wiley and Sons, Inc., New York, 1967, p. 404.

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