Durable modification of fibrous substrates using a polyoxyethyle

Details Durable modification of fibrous substrates using a polyoxyethyle Durable modification of fibrous substrates using a polyoxyethyle

1979-02-01

1980-06-10

Robinson, Ellis P.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Treating textiles or fibers from synthetic resin or natural...

8116R, 427387, 428245, 428266, 428290, 428391, 428395, 428419, 428447, 428480, D06M 1566, D06M 1568

Patent

active

042070716

ABSTRACT:
Fibrous substrates are durably modified by applying a polyoxyethylene-containing silane to the substrate and heating the substrate to cure the silane. Durability of the treatment is achieved by using a silane having the formula R(OCH.sub.2 CH.sub.2).sub.x OR'SR"SiZ.sub.3 where Z denotes a hydroxyl or a hydrolyzable radical, R' and R" are divalent aliphatic radicals of suitable size, R is hydrogen, lower alkyl or lower acyl and x has a value of at least 3. The silane is applied to the fibrous substrate, such as a hydrophobic fabric, as a homogeneous liquid composition comprising the silane, a volatile liquid carrier and a siloxane polymerization catalyst to provide a treated substrate having improved properties, such as hydrophilicity.

REFERENCES:
patent: 3140198 (1964-07-01), Dawson
patent: 3364059 (1968-11-01), Marzocchi
patent: 3639156 (1972-02-01), Pittman
patent: 4062693 (1977-12-01), Berger
patent: 4110227 (1978-08-01), Newkirk

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