Process of making spin-oriented, biconstituent filaments

Details Process of making spin-oriented, biconstituent filaments Process of making spin-oriented, biconstituent filaments

1995-01-24

1996-04-09

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

26417217, 26417218, 2642108, 26421112, 26421115, 26421117, 264234, 264235, 264237, 264342RE, D01D 512, D01F 812, D01F 814

Patent

active

055058949

ABSTRACT:
Polyester filaments of high shrinkage and high shrinkage tension may be prepared by heat treatment of undrawn crystalline filaments of low shrinkage and shrinkage tension, and may be used for making polyester yarns of mixed shrinkage and bulky polyester yarns and fabrics therefrom.

REFERENCES:
patent: 4415521 (1983-11-01), Mininni et al.
patent: 4909976 (1990-03-01), Cuculo et al.

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