collodion

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collodion

(kəlō`dēən), solution of pyroxylinpyroxylin
, partially nitrated cellulose (see nitrocellulose). It is used in lacquers, plastics, and artificial leathers. Pyroxylin lacquers are made by dissolving pyroxylin in a mixture of volatile solvents and adding a plasticizer and a pigment or dye.
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 in a mixture of alcohol and ether. Upon exposure to air, the solvents evaporate, leaving a thin, colorless, elastic film on any surface upon which the collodion has been spread. Collodion is the forerunner of the lacquer paints that are now widely used in the automobile industry.

Collodion

 

an alcoholether solution of nitrocellulose; a colorless, transparent, or slightly yellowish liquid with the odor of ether. When applied to the skin, collodion congeals, forming a thin, tough film. It is used to secure surgical bandages and to coat small wounds and abrasions.

collodion

[kə′lōd·ē·ən]
(organic chemistry)
Cellulose nitrate deposited from a solution of 60% ether and 40% alcohol, used for making fibers and film and in membranes for dialysis.