Composition for washing fabric

Details Composition for washing fabric Composition for washing fabric

1981-08-07

1983-06-14

Kittle, John E.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Degumming or desizing

252 86, 252 88, 252524, 252527, 252542, 252DIG7, 252140, 252142, D01C 102

Patent

active

043880770

ABSTRACT:
A composition is provided for washing fabric, particularly denim, prior to sale. The composition includes an amphoteric surfactant, a builder which ensures that the surfactant in a washing solution, is initially in an anionic state, and a pH builder which causes the pH of the washing solution to decrease to thereby change the amphoteric surfactant to its cationic state. In its anionic state the surfactant acts as a wetting agent to encourage such actions as pre-shrinking and dye-bleeding by the washing solution. In its cationic state the surfactant can be adsorbed onto the fabric so as to exhibit fabric softening and anti-static effects. A lubricant is preferably included in the composition to reduce uneven dye-bleeding caused by fabric to fabric abrasion in the wash cycle.

REFERENCES:
patent: 3042621 (1962-07-01), Kirschenbauer
patent: 3522175 (1970-07-01), Katsumi et al.
patent: 3644203 (1972-02-01), Lamberti et al.
patent: 3704228 (1972-11-01), Eckert et al.
patent: 3888797 (1975-06-01), Marumo
patent: 3951879 (1976-04-01), Wixon
patent: 4058489 (1977-11-01), Hellsten
patent: 4093417 (1978-06-01), Heinlein et al.
patent: 4157388 (1979-06-01), Christiansen
patent: 4303542 (1981-12-01), Heinlein et al.

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