Method of treating fibrous materials

Details Method of treating fibrous materials Method of treating fibrous materials

1991-01-28

1992-06-02

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273899, 252 86, 811559, 428391, 528 33, B05D 302

Patent

active

051185350

ABSTRACT:
A method of treating fibrous materials comprises applying a polydiorganosiloxane having at least one unit (a) of the general formula ##STR1## and at least one unit (b) of the general formula ##EQU1## wherein R is a hydroxyl, monovalent hydrocarbon or hydrocarbonoxy group, R' is a divalent hydrocarbon group which optionally contains oxygen and/or nitrogen, R" is a hydrogen atom or an alkyl group optionally containing an oxygen atom in the form of a hydroxyl group and/or a C.dbd.O group, a is 1 or 2, b 2 or 3 and each n from 2 to 8. Treated fibrous materials have improved softness with improved non-yellowing characteristics.

REFERENCES:
patent: 3524900 (1970-08-01), Gibbon et al.
patent: 4059581 (1977-11-01), Prokai
patent: 4098701 (1978-07-01), Burrill
patent: 4587321 (1986-05-01), Sebag et al.
patent: 4757121 (1988-07-01), Tanaka
patent: 4874662 (1989-10-01), Huhn
patent: 4892918 (1990-01-01), Ryang

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