Modified nonionic cellulose ethers

Details Modified nonionic cellulose ethers Modified nonionic cellulose ethers

1979-02-12

1980-10-14

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536 88, 536 91, C08B 1108, C08B 11193

Patent

active

042282772

ABSTRACT:
Cellulose ethers are disclosed which have sufficient nonionic substitution to render them water soluble and which are further modified with a C.sub.10 to C.sub.24 long chain alkyl group in an amount between about 0.2% by weight and the amount which makes them less than 1% soluble in water. Hydroxyethyl cellulose is a preferred water-soluble cellulose ether for modification according to the invention. These products exhibit substantially improved viscosifying effect compared to their unmodified cellulose ether counterparts and also exhibit some surface activity.

REFERENCES:
patent: 2010818 (1935-08-01), Hahn
patent: 3091542 (1963-05-01), Anderson
patent: 3272640 (1966-09-01), Geurden
patent: 3435027 (1969-03-01), Desmarais et al.
patent: 3824085 (1974-07-01), Teng et al.
patent: 3894839 (1975-07-01), Marmer et al.
patent: 3960514 (1976-06-01), Teng et al.
patent: 4107426 (1978-08-01), Gordon

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