Pigmented polyamide shaped article incorporating free polyester

Details Pigmented polyamide shaped article incorporating free polyester Pigmented polyamide shaped article incorporating free polyester

1998-03-09

2000-07-18

Dawson, Robert

Stock material or miscellaneous articles

Composite

Of polyamide

524538, 524539, 524 99, 524357, 527243, 527244, B32B 516

Patent

active

060904941

ABSTRACT:
A shaped article is disclosed which is formed from a polymer mixture of polyamide polymer, pigment dispersed in a polymeric carrier and about one-half to nine percent free polyester based on the weight of the polymer mixture. A process for making the shaped article is also disclosed, wherein the polymer mixture is melted, mixed and formed into the shaped article. The invention is especially suited for use in forming multifilament yarn, where the use of the invention facilitates the spinning of yarns containing difficult-to-spin pigments. The invention may be advantageously employed using conventional polyamide melt-spinning techniques.

REFERENCES:
patent: 3369057 (1968-02-01), Twilley
patent: 3549741 (1970-12-01), Caison et al.
patent: 3692867 (1972-09-01), Mayer et al.
patent: 4518744 (1985-05-01), Brody
patent: 5213733 (1993-05-01), Hwu et al.
patent: 5290850 (1994-03-01), Shridharani et al.
Kato Tetsuya, Production Of Polyamide Mixed Fiber With Improved Properties, Patent Abstract, 5, 1, Dec. 22, 1980.

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