Method of treating carpet yarn and carpet to enhance repellency

Details Method of treating carpet yarn and carpet to enhance repellency Method of treating carpet yarn and carpet to enhance repellency

1997-03-24

1998-12-22

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

811556, 811564, 4274301, 428 96, 524539, 524544, 524599, 524805, B05D 302

Patent

active

058515950

ABSTRACT:
The invention is directed to a method and composition for treating carpet yarn and carpet to thereby enhance its repellency. In one aspect of the invention, the method includes the steps of providing a carpet yarn comprising polymeric fibers. An anionic or nonionic fluorochemical compound is provided in an aqueous medium, the aqueous medium having a pH below about 3.5. The carpet yarn is immersed in the aqueous medium. The carpet yarn and aqueous medium are heated after which excess water is removed from the carpet yarn.

REFERENCES:
patent: 5084306 (1992-01-01), McLellan et al.
patent: 5520962 (1996-05-01), Jones

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