Thermally stable nitrocellulose emulsions, solutions and coating

Details Thermally stable nitrocellulose emulsions, solutions and coating Thermally stable nitrocellulose emulsions, solutions and coating

1991-10-24

1993-10-19

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106176, 106195, 106198, C09D10118

Patent

active

052541614

ABSTRACT:
Emulsions, solutions and coatings comprising nitrocellulose are stabilized against yellowing on thermal aging when treated with boric acid or borax or hydrogen peroxide or 0.1 to 0.5% by weight of a chlorinated hydantoin such as 1,3-dichloro 5,5-dimethylhydantoin (DCH). Boric acid or borax may be added as aqueous solutions during nitrocellulose manufacture. Combined treatments and/or additions of boric acid and DCH give optimum stabilization against yellowing.

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patent: 4657590 (1987-04-01), Gamblin
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patent: 4937281 (1990-06-01), Tang
patent: 4954619 (1990-09-01), Lang et al.
"Nitrocellulose", Hercules Powder Co., 1944, No. 500-256-4M-9.46.
Hawley, Condensed Chemical Dictionary, Van Nostrand Reinhold Co., N.Y., 1973, pp. 285, 455-456.

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