Process for preparing carboxyalkyl cellulose esters

Details Process for preparing carboxyalkyl cellulose esters Process for preparing carboxyalkyl cellulose esters

1997-05-22

1998-08-11

Nutter, Nathan M.

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

Organic compounds

Carbohydrates or derivatives

536 35, 536 37, 536 38, 536 39, 536 40, 536 42, 536 43, 536 44, 536 45, 1061028, 10616301, C08B 1300, C08L 100

Patent

active

057928568

ABSTRACT:
This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range of organic solvents, compatibility with a variety of resins, and ease of dispersion in a water-borne formulation and are useful in coating compositions as binder resins and rheology modifiers.

REFERENCES:
patent: 4504656 (1985-03-01), Omiya
patent: 4520192 (1985-05-01), Namikoshi
Chemical Abstracts, vol. 85, No. 22, 29 Nov. 1976, Abstract No. 162292d, Niimura Takeo, et al.: "Etherified and Esterified Polysaccharides," p. 127 .

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