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Textile Research Journal
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Solvent Texturing of Polyester Yarn

Part I: Sequential Texturing

M. Hashemi-Pour

College of Textiles, North Carolina State University, Raleigh, North Carolina 27695, U.S.A.

H.S. Lee

College of Textiles, North Carolina State University, Raleigh, North Carolina 27695, U.S.A.

P.A. Tucker

College of Textiles, North Carolina State University, Raleigh, North Carolina 27695, U.S.A.

D.M. Cates

College of Textiles, North Carolina State University, Raleigh, North Carolina 27695, U.S.A.

Solvent texturing experiments are described using partially oriented polyester yarn treated in sequential steps of twisting, solvent setting, and untwisting. Effects of several parameters such as solvent treatment time, pre-immersion solvent, and drawing on the shrinkage values are discussed. Pre-immersion in the solvent before twisting allows faster diffusion into the yarn but "sets" the structure prematurely. Drawing of the twisted, solvent-set structure dilutes the twist and disrupts the structure, reducing the crimp. The potential energy saving over heat-texturing is calculated. This study is intended as a precursor for continuous solvent texturing.

Textile Research Journal, Vol. 63, No. 2, 103-108 (1993)
DOI: 10.1177/004051759306300206
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