Definitions
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun highly flammable nitrocellulose used in making collodion and plastics and lacquers
Etymologies
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Examples
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The pyroxyline was the di-nitro-cellulose (or possibly the penta-nitro?), and the temperature was below the igniting point of this material (40° C. would have been a better temperature).
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The usual method is, however, to dissolve the camphor in the least possible quantity of alcohol, and sprinkle the solution over the dry pyroxyline, which is then covered with a second layer of pyroxyline, and the whole again treated with the camphor solution, the addition of pyroxyline and camphor solution being repeated alternately until the requisite amount of celluloid mixture is obtained.
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Paper made from the pulps of sulphite and sulphate processes is capable of yielding a very soluble pyroxyline.
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In this way a very perfect hydro-cellulose is obtained, and in the best form for producing excellent pyroxyline.
Scientific American Supplement, No. 286, June 25, 1881 Various
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The pyroxyline employed is generally the tetra - and penta-nitrated cellulose, the hexa-nitrate
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The composition is prepared as follows: -- Nitro-glycerine is thickened with pyroxyline to the consistency of raw rubber.
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Photographic Society of France, M. Girard showed his method of preparing cellulose in a state of powder, specially adapted for the production of pyroxyline for making collodion.
Scientific American Supplement, No. 286, June 25, 1881 Various
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Richard Hale uses the following solvent: -- Amyl-acetate, 4 volumes; petroleum naphtha, 4 volumes; methyl-alcohol, 2 volumes; pyroxyline, 4 to
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By mixing certain proportions of ammonium iodide and cadmium bromide, or an iodide and bromide of cadmium with collodion -- which is pyroxyline, a kind of gun-cotton dissolved in ether and alcohol -- a plate of glass is coated, and before being perfectly dry is immersed in the nitrate of silver bath.
Scientific American Supplement, No. 288, July 9, 1881 Various
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These four classes include the greater number of the solvents of pyroxyline.
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