Copolyester studies. III. Melt-spinning, drawing, and mechanical properties of tetramethylene terephthalate–tetramethylene sebacate copolymer fibers
Article first published online: 9 MAR 2003
Copyright © 1979 John Wiley & Sons, Inc.
Journal of Applied Polymer Science
Volume 23, Issue 4, pages 1095–1104, 15 February 1979
How to Cite
Marrs, W., Peters, R. H. and Still, R. H. (1979), Copolyester studies. III. Melt-spinning, drawing, and mechanical properties of tetramethylene terephthalate–tetramethylene sebacate copolymer fibers. J. Appl. Polym. Sci., 23: 1095–1104. doi: 10.1002/app.1979.070230414
- Issue published online: 9 MAR 2003
- Article first published online: 9 MAR 2003
- Manuscript Received: 5 OCT 1977
Fibers have been prepared from tetramethylene terephthalate–tetramethylene sebacate copolymers, containing up to 20 mol % of the latter, using a conventional melt-spinning technique. The mechanical properties of these undrawn fibers and of highly oriented fibers prepared from them have been evaluated. The changes in mechanical properties brought about by the introduction of sebacate groups in poly(tetramethylene terephthalate) have been related to the glass-transition temperatures of the copolymers and to the flexible nature of the sebacate unit. The formation of voids during a continuous drawing process and during mechanical testing is discussed.