Potential bulky polyester associated bundles for woven or knitte

Details Potential bulky polyester associated bundles for woven or knitte Potential bulky polyester associated bundles for woven or knitte

1989-05-15

1990-10-30

Petrakes, John

Textiles: manufacturing

Thread finishing

Surface modification of running length

28271, 28281, 57206, 57238, 57244, 57246, 57247, 57350, 57908, 428373, D02G 118, D02G 102, D02G 324, D02J 108

Patent

active

049659197

ABSTRACT:
Potential bulky polyester associated bundles or yarns for woven or knitted fabric include spontaneously heat extensible multi-filament A and heat shrinkable multi-filament B. The associated bundles are interlaced at 20-100 interlaces/m. For multi-filament A, the following physical properties apply: <3 denier as a single bundle; 20-80% denier ratio content in associated bundles, wet shrinkage at 100.degree. C. (SHW (A))=0-5%, dry shrinkage at 160.degree. C. (SHD (A))=-15-0%. The properties pertaining to multi-filament B include: fracture tenacity>4 g/denier, denier ratio of 80-29% content in associated bundles, SHW (B)>5-60%. Additionally, SHD (B)-SHD(A)>5%. The invention also relates to processes for forming the bundles and for weaving the bundles into fabric.

REFERENCES:
patent: 3549597 (1970-12-01), Kitson et al.

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