EFFECT OF MERCERIZATION ON COTTON FIBER MOLECULAR WEIGHT

J.D. Timpa and S.H. Zeronian

ABSTRACT

Mercerization has been employed to impart desirable qualities to cotton fiber. We investigated alterations in the molecular composition of cotton fiber caused by mercerization. Samples from Deltapine, Acala, and Pima were evaluated as scoured or as caustic mercerized (slack) fiber. Gel permeation chromatography (GPC) was used to determine the molecular weight distributions of cotton fiber samples dissolved directly in dimethylacetamide/lithium chloride. The changes in molecular composition was discussed in the context of strength of the fiber samples dissolved in dimethylacetamide/lithium chloride. The changes in molecular composition was discussed in the context of strength of the fiber.





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Document last modified July 8, 2004