Stain blocking agent

Details Stain blocking agent Stain blocking agent

1996-06-26

1998-10-13

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Multiple chemically diverse fibers or fibers with different...

Polyester fiber and cellulose fiber

8553, 8543, D06P 152, D06P 382

Patent

active

058206388

ABSTRACT:
A composition for the elimination of cellulosic dye cross staining when dyeing cellulosic and synthetic blended fabrics in a dye bath. The composition includes a first component including polyvinylpyrrolidone polymer having a mwt. of between about 15,000 to 40,000 and the balance water. In the preferred embodiment, the composition includes a second component including dyestuff including dyes and polyvinylpyrrolidone polymer. Dyeing textile articles having at least two different types of fibers selected from the group consisting of cellulosic and synthetic fibers using the present invention produce a dyed article in which the cellulosic fibers are dyed and the synthetic fibers have a Class Value of greater than about 3 when measured according to the AATCC Gray Scale for Color Change.

REFERENCES:
patent: 2903325 (1959-09-01), Geigy
patent: 2955011 (1960-10-01), Riegel
patent: 2959461 (1960-11-01), Murray
patent: 4330451 (1982-05-01), Straub et al.
patent: 4369040 (1983-01-01), Kirner et al.
patent: 4448581 (1984-05-01), Fennekels et al.
patent: 4554312 (1985-11-01), Barabas et al.
patent: 5490866 (1996-02-01), Gieth

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