IP Library › Patent Application 17292777
Patent Application
App. No. 17/292,777

SPANDEX FIBER WITH REDUCED VISIBILITY

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Quick Facts
Patent No.
US None
App. No.
17/292,777
Abstract

Spandex fiber compositions with reduced grin-through effect are provided. Also provided are methods for production and use of these compositions.

Claims (18)

1 . A spandex fiber composition comprising spandex and carbon black pigment in the range of 10-500 ppm.

2 . A spandex fiber composition comprising spandex, carbon black pigment, a white opacity enhancer, an inorganic pigment or an acid dye receptor.

3 . A spandex fiber composition comprising spandex, carbon black pigment, a white opacity enhancer, an inorganic pigment and an acid dye receptor.

4 . The spandex fiber composition of claim 3 wherein about 25 ppm to about 200 ppm of carbon black pigment is added.

5 . The spandex fiber composition of claim 2 wherein the white opacity enhancer is titanium dioxide.

6 . The spandex fiber composition of claim 2 wherein about 0.01 to about 1% by weight of the white opacity enhancer is added.

7 . The spandex fiber composition of claim 2 wherein about 0.01 to about 1% by weight of titanium dioxide is added.

8 . The spandex fiber composition of claim 2 wherein the inorganic pigment is selected from hydrotalcite, huntite, hydromagnesite, magnesium carbonate, calcium carbonate, magnesium oxide, magnesium hydroxide and combinations thereof.

9 . The spandex fiber composition of claim 2 wherein about 1% to about 10% by weight of inorganic pigment is added.

10 . The spandex fiber composition of claim 2 wherein the acid dye receptor is from a tertiary and quaternary ammonium salt family or a combination thereof.

11 . The spandex fiber composition of claim 2 wherein about 10 to about 50 meq active N/kg fiber of acid dye receptor is added.

12 . A filament or fiber comprising the composition of claim 1 .

13 . An article of manufacture, at least a portion of which comprises a composition of claim 1 .

14 . The article of manufacture of claim 13 which is a fabric.

15 . The article of manufacture of claim 14 which is a stretch fabric.

16 . The article of manufacture of claim 14 wherein the fabric further comprises a companion yarn.

17 . The article of manufacture of claim 16 wherein the companion yarn is selected from cotton, nylon, polyester, wool or acrylic or any combination thereof.

18 . A method for reducing grin-through effect of spandex in a fabric, said method comprising producing the spandex from the spandex fiber composition of claim 1 .