Abstract
IT has been shown recently by Schurz1 that solutions of silk in phosphoric acid undergo a considerable decrease in viscosity on standing, which is probably due to degradation of the silk. Silk is insoluble in formic acid, although the latter is an excellent solvent for many polypeptides and nylon. On the other hand, concentrated aqueous solutions of many inorganic salts, for example, halides2 and thiocyanates3 readily dissolve silk, in some cases without degradation of the fibroin4,5.
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References
Schurz, J., Nature, 173, 952 (1954).
von Veimarn, P. P., Rept. Imp. Indust. Res. Inst. Osaka, Japan 7, 5 (1926).
I.G. Farbenindustrie, B.P. 394,212 (1933).
Signer, R., and Glanzmann, R., Makromol. Chem., 5, 257 (1950).
Ambrose, E. J., Nature, 167, 264 (1951).
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EARLAND, C., RAVEN, D. A New Solvent for Silk. Nature 174, 461 (1954). https://doi.org/10.1038/174461a0
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DOI: https://doi.org/10.1038/174461a0
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