Improvements in process for preparing spun yarns

Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation

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Details

264129, 264130, 264134, 264136, 2642103, 2642108, 264168, 264151, 26421115, 2642356, 264346, D01F 662, D01F 1104

Patent

active

050698478

ABSTRACT:
Solid polyester fiber in spun yarns, and fabrics and garments and precursor staple fiber and filamentary tow, are prepared by an improved process involving treatment of freshly-extruded undrawn polyester filaments with caustic in the spin-finish, so as to improve moisture-wicking properties.

REFERENCES:
patent: 3110617 (1963-11-01), Scott
patent: 4316924 (1982-02-01), Minemura et al.
patent: 4396389 (1983-08-01), Lofgren
Hermann Ludewig, Polyester Fibers--Chemistry and Technology, 1964; Engl. Transl. 1971; John Wiley & Sons Ltd.; pp. 387-389.

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