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Pyroxylin

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pyroxylin

[pə′räk·sə·lən]
(organic chemistry)
[C12H16O6(NO3)4]x Any member of the group of commercially available nitrocelluloses that are used for properties other than their combustibility; the term is commonly used to identify products that are principally made from nitrocellulose, such as pyroxylin plastic or pyroxylin lacquer. Also known as collodion cotton; soluble guncotton; soluble nitrocellulose.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Pyroxylin

 

a nitrate ester of cellulose. Pyroxylins nos. 1 and 2, which differ in nitrogen content, are used commercially.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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References in periodicals archive
An American inventor, John Wesley Hyatt (1837-1920), wanted the prize money and had heard of pyroxylin. Hyatt improved on Parkes's method of preparing it and in 1869 patented his method of manufacturing billiard balls out of this material, which he named celluloid.
Celluloid
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