Textile fabric and yarn composed of synthetic fibers,...

Details Textile fabric and yarn composed of synthetic fibers,... Textile fabric and yarn composed of synthetic fibers,...

2007-09-11

2007-09-11

Salvatore, Lynda M. (Department: 1771)

Coating processes

Coating by vapor, gas, or smoke

Mixture of vapors or gases utilized

C427S248100, C427S402000, C442S082000

Reexamination Certificate

active

10646113

ABSTRACT:
Textile fabric composed of synthetic fibers is subjected to a gas phase fluorination in a fluorine/inert gas atmosphere having a fluorine concentration in the range from 0.1 to 10% in order that the synthetic fiber surfaces may be activated in such a way that they are able to react with organic or inorganic compounds. Thereafter, the fabric is coated with a fluorocopolymer which is free of adhesion promoters. Similarly, yarn composed of synthetic fibers is first gas phase fluorinated and thereafter coated with a fluorocopolymer. Sewing yarn or thread, having been gas phase fluorinated, is bonded by means of a fluoropolymer coating. The improved adhesion makes the coated materials useful for a wide range of industrial applications.

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