Hydrophobically modified cellulosic thickeners for paper coating

Details Hydrophobically modified cellulosic thickeners for paper coating Hydrophobically modified cellulosic thickeners for paper coating

1989-10-30

1991-02-19

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106774, C08L 104

Patent

active

049941127

ABSTRACT:
Hydroxyalkylcellulose hydrophobically modified with a C12 to C16 alkyl or aralkyl group represents a preferred thickener for a paper coating composition to obtain uniform coating at high speed. The process for manufacture involves: preparing an aqueous coating composition of hydrophobically modified hydroxyethylcellulose, pigment binder and other additives; applying the composition to a paper surface; removing excess composition to produce a uniform coating; and drying to produce a paper product.

REFERENCES:
patent: Re33008 (1989-08-01), Ruffner et al.
patent: 4154899 (1979-05-01), Helm et al.
patent: 4228277 (1980-10-01), Landoll
patent: 4243802 (1981-01-01), Landoll
patent: 4248939 (1981-02-01), Parsons
patent: 4840705 (1989-06-01), Ikeda et al.
patent: 4845207 (1989-07-01), t'Sas
"Natrosol R in Pigmented Coating for Paper and Paperboard", Hercules Pub., 456-2, Hercules Inc.

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