Polyester-based spandex filament

Details Polyester-based spandex filament Polyester-based spandex filament

C - Chemistry, Metallurgy

08

G

400/2012, 18/612

C08G 18/42 (2006.01) C08G 18/10 (2006.01) C08G 18/32 (2006.01)

Patent

CA 1280232

TITLE 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.

547711

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