Difference between revisions of "Orotan"
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== Authority == | == Authority == | ||
| − | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 798 |
| − | * | + | * Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:25, 24 July 2013
Description
1) A brand name for a synthetic tanning agent. Orotan is a dark red, viscous solution composed of a sulfonated phenol formaldehyde (31%). It simulates the tanning properties of vegetable tannins. Orotan produces a strong, full, solid leather that is often used for shoes. This syntan is also used as a bleaching and penetrating agent in combination with other tannins.
2) [Rohm & Haas] A brand name for a dispersant composed of the sodium salt of a carboxylated polyelectrolyte.
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 798
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942