Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1997-08-26
1998-06-09
Edwards, Newton
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428373, 525177, D02G 300, C08F 800
Patent
active
057630771
ABSTRACT:
Linear materials for fasteners, particularly monofilaments, which possess pearly luster and retain this pearly luster intact even after being dyed and a method for the production thereof are disclosed. A polyester, particularly polyethylene terephthalate, is blended with 1 to 10% by weight of polypropylene and the resultant blend is subjected to melt spinning. The undrawn filament thus obtained possesses pearly luster and can be used as a raw material for fastener parts presenting an appearance of high quality. The undrawn filament has the dyeability thereof adjusted without noticeably affecting the degree of shrinkage when it is drawn at a temperature in the range of from 70.degree. to 98.degree. C. Thus, the monomiflaments for fasteners which possess pearly luster and are allowed to be dyed in colors harmonized with the colors of fastener tapes can be produced.
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Edwards Newton
YKK Corporation
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