Process for the manufacture of dyed multicomponent filaments

Details Process for the manufacture of dyed multicomponent filaments Process for the manufacture of dyed multicomponent filaments

1975-06-24

1977-01-11

Woo, Jay H.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Special forms and forming

81552, 264 78, 264171, D06B 516

Patent

active

040024270

ABSTRACT:
A method of making crimped, dyed multicomponent filaments of at least 2 polyester components including spinning the filaments together in a side-by-side relationship or in an eccentric sheath-core relationship, stretching the spun filaments and developing the crimp. The crimped filaments are wound on a bobbin with a Shore hardness of from 15.degree. to 70.degree., then dyed on the bobbin. The crimped dyed multicomponent filaments can be processed further to yield textile fabrics directly without an intermediate rewinding process.

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