Method for applying mercaptoalkyl-containing polydiorganosiloxan

Details Method for applying mercaptoalkyl-containing polydiorganosiloxan Method for applying mercaptoalkyl-containing polydiorganosiloxan

1977-08-08

1982-01-19

Morgenstern, Norman

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

427387, 4273932, 4273934, 428266, 428447, B32B 2502, B32B 2520, B05D 302

Patent

active

043117600

ABSTRACT:
Condensation-polymer fibers, such as polyethylene terephthalate fibers, and cellulosic fibers, such as cotton, have their surface modified with certain polydiorganosiloxanes to provide improved properties such as water repellency, hand, and tear strength to fabrics comprising the treated fibers. The polydiorganosiloxanes must contain at least two silicon bonded HSR'-groups wherein R' is a divalent or a trivalent saturated hydrocarbon radical or at least one HSR'-group and at least one --OR" radical bonded to silicon. Exemplary is a polyester fabric which is treated with an aqueous emulsion of ##STR1## and dried to provide a textile having improved hand.

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