Action of Solvents on Dried Linseed Oil Films

Abstract

THE action of a range of organic solvents on aged linseed oil films, both pigmented and unpigmented, has been investigated1. A specially designed apparatus based on the parallel plate viscometer was used2 to make precise measurements of changes in thickness of films coated on a rigid substrate, while free films (these proved to be isotropic in behaviour) were observed under a measuring microscope. The results thus obtained, together with related gravimetric measurements, made it possible to determine rates of swelling and deswelling, and to examine the characteristics of the leaching process in which constituents of low molecular weight are removed when the felt-like structure is swollen.

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References

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    Stolow, N., “Some Investigations of the Action of Solvents on Drying Oil Films”, Ph.D. thesis, University of London, (Feb. 28, 1956).

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    Stolow, N., J. Sci. Instr., 31, 416 (1954).

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    Blom, A. V., Koll. Z., 75, 223 (1936). Hollis, C. E., J. Oil and Colour Chem. Assoc., 27, 67 (1944).

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    Hildebrand, J., and Scott, R., “The Solubility of Non-electrolytes” (Reinhold Pub. Corp., New York, 1949).

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    Prager, S., and Long, F. A., J. Amer. Chem. Soc., 73, 4072 (1951).

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STOLOW, N. Action of Solvents on Dried Linseed Oil Films. Nature 179, 579–580 (1957) doi:10.1038/179579b0

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