Cellulose ethers containing 2-propenyl groups and use thereof as

Details Cellulose ethers containing 2-propenyl groups and use thereof as Cellulose ethers containing 2-propenyl groups and use thereof as

1998-03-02

1999-11-30

Yoon, Tae

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

Organic compounds

Carbohydrates or derivatives

536 87, 536 91, 536 95, 52623821, C08B 11187, C08B 11193, C08F11600

Patent

active

059945311

ABSTRACT:
Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses having an average degree of polymerization of less than 900 which is substituted by, on average, from 0.01 to 0.04 2-propenyl groups per anhydroglucose unit are used as protective colloids in the preparation of aqueous polymer dispersions.

REFERENCES:
patent: 4845175 (1989-07-01), Lo
patent: 4906744 (1990-03-01), Peuscher et al.
patent: 5049634 (1991-09-01), Tsai et al.
patent: 5166332 (1992-11-01), Breckwoldt
patent: 5294702 (1994-03-01), Breckwoldt et al.
patent: 5504123 (1996-04-01), Partan, III
J.S. van Arkel, Hydroxylethylcellulose Protected Polyvinylacetate Emulsions for Adhesives (in: Cellulose and Its Derivatives, Chap. 26, Ellis Horwood, 1985).
T.M. Greenway, "Water-Soluble Cellulose Derivatives and Their Commercial Use" (in: Cellulose Polymers, Blends and Composites, Ed. R. D. Gilbert, Carl Hanser, 1994).
Derwent Abstract of XP-002096690"Allyl-cellulose driv. prepn. -by reacting cellulose ether(s) or ester(s) with allyl halide, while dissolved in DMSO and in presence of alkali" & JP61247702 A (OJI Paper Co), Nov. 5, 1986.

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