Polyester-based spandex filament

Details Polyester-based spandex filament Polyester-based spandex filament

1988-06-30

1989-10-03

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 61, 528 64, 528 66, 528 68, 528 83, 528 85, 528288, 528289, 528906, C08F 2000

Patent

active

048718181

ABSTRACT:
A polyester-based spandex filament or film is provided. The filaments when used swim-wear fabrics provide the fabrics with increased resistance to mildew-induced degradation. The filaments are formed from a spandex derived substantially from a poly(2,2-dimethyl-1,3-propylene 1,12-dodecanedioate) glycol having no more than 15 milliequivalents of glycol acidity per kilogram of glycol, which glycol is capped with an organic diisocyanate and then chain-extended with an aliphatic diamine.

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