Method for imparting water-repellency to woven fabrics

Details Method for imparting water-repellency to woven fabrics Method for imparting water-repellency to woven fabrics

1981-10-19

1983-01-25

Page, Thurman K.

Coating processes

With post-treatment of coating or coating material

Heating or drying

156329, 4272082, 4273934, 428266, 524588, 524862, 528 18, 528 19, 528 31, 528 32, B05D 302

Patent

active

043703658

ABSTRACT:
The invention provides a novel method for imparting water-repellency to a woven fabric such as velveteen by use of a silicone-based water-repellent agent. In addition to water-repellency, the fabric treated by the inventive method has many excellent characteristics required in a fancy fabric as well as susceptibility to bonding with a lining cloth by use of a hot-melt adhesive. The water-repellent agent used in the method comprises, in addition to an organohydrogenpolysiloxane, either one or a combination of a linear organopolysiloxane, in which at least 5% by moles of the organic groups are alkenyl, e.g. vinyl, groups, and a resinous organopolysiloxane composed of the monofunctional organosiloxane units and tetrafunctional siloxane units SiO.sub.2 in a limited molar proportion.

REFERENCES:
patent: 3418162 (1968-12-01), Adachi
patent: 3528940 (1970-09-01), Modic

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