D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/599
D01F 6/60 (2006.01) D01D 10/02 (2006.01)
Patent
CA 1290117
TITLE High Modulus Poly-p-phenylene Terephthalamide Fibers Abstract of the Disclosure High modulus, high tenacity fibers of poly-p- phenylene terephthalamide (PPD-T) are disclosed along with a fiber heat treating process for increasing the inherent viscosity and the crystallinity index of the PPD-T. Never-dried fibers swollen with water of controlled acidity are heated beyond dryness.
537985
Chern Terry S.
de La Veaux Stephan C.
Lahijani Jacob
Van Trump James E.
Chern Terry S.
de La Veaux Stephan C.
E.i. Du Pont de Nemours And Company
Lahijani Jacob
Mccallum Brooks & Co.
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