Process for the feltproof finishing of textiles made of keratin-

Details Process for the feltproof finishing of textiles made of keratin- Process for the feltproof finishing of textiles made of keratin-

1979-08-13

1981-02-03

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Proteinaceous fibers

81155, 81156, 8128A, 8DIG11, D06M 1552, D06M 306, D06M 1346

Patent

active

042485967

ABSTRACT:
This disclosure is concerned with an improved process of treating keratin-containing fiber materials with aqueous solutions of polyisocyanate bisulphite adducts to improve their resistance to felting and shrinkage. The material is pretreated with an aqueous bath containing both a compound carrying a cationic group and the salt of a polyvalent metal or the material is pretreated with just the cationic compound but the polyvalent metal salt is present in the aqueous bath used to apply the bisulphite adduct.

REFERENCES:
patent: B389304 (1976-01-27), Schafer et al.
patent: 3898197 (1975-08-01), Guise et al.
patent: 3984365 (1976-10-01), Lienert et al.
patent: 3989458 (1976-11-01), Guise
patent: 4071313 (1978-01-01), Guise
patent: 4124553 (1978-11-01), Guise
patent: 4144268 (1979-03-01), Guise

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