Effect of degumming on the tensile properties of silkworm (Bombyx mori) silk fiber

J. Pérez-Rigueiro, M. Elices, J. Llorca, C. Viney

Research output: Contribution to journalArticle

Abstract

Forcibly reeled silkworm (Bombyx mori) silk was used to study how exposure to a degumming treatment (boiling in distilled water for 30 min) affects tensile properties. Because forcibly reeled and naturally spun fibers exhibit comparable mechanical behavior, the results can be generalized to material obtained conventionally from cocoons. The effects of degumming include: a decrease in the initial elastic modulus, a decrease in the stress at the proportional limit (yield strength), a change in the qualitative shape of force-displacement curves, and significant qualitative and quantitative variability in force-displacement data from samples subjected to nominally identical degumming histories. Immersion in water at room temperature or heating in air at 100°C for 30 min are both qualitatively equivalent to a 30-min degumming treatment in boiling water, in terms of the effect on silk tensile properties. © 2002 Wiley Periodicals, Inc. J. Appl. Polym. Sci.

Original languageEnglish
Pages (from-to)1431-1437
Number of pages7
JournalJournal of Applied Polymer Science
Volume84
Issue number7
DOIs
Publication statusPublished - 1 Mar 2002

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degumming
Bombyx mori
silkworms
silk
boiling
water
cocoons
modulus of elasticity
ambient temperature
heat
air
history
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Pérez-Rigueiro, J. ; Elices, M. ; Llorca, J. ; Viney, C. / Effect of degumming on the tensile properties of silkworm (Bombyx mori) silk fiber. In: Journal of Applied Polymer Science. 2002 ; Vol. 84, No. 7. pp. 1431-1437.
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Effect of degumming on the tensile properties of silkworm (Bombyx mori) silk fiber. / Pérez-Rigueiro, J.; Elices, M.; Llorca, J.; Viney, C.

In: Journal of Applied Polymer Science, Vol. 84, No. 7, 01.03.2002, p. 1431-1437.

Research output: Contribution to journalArticle

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