Process for preventing the redeposition of soil during dry clean

Details Process for preventing the redeposition of soil during dry clean Process for preventing the redeposition of soil during dry clean

1981-06-17

1983-04-05

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Dry cleaning

252171, 252173, 570118, D06L 102, D06L 110, C11D 344

Patent

active

043789684

ABSTRACT:
Process for preventing soil redeposition onto textile articles made of natural, synthetic or artificial fibers or a blend thereof, during dry cleaning operations using stabilized perchloroethylene.
It is characterized in that a sufficient amount of at least one C.sub.4 to C.sub.6 alcohol, chosen from amongst those having a boiling point of between 95.degree. and 140.degree. C. and those forming, with the perchloroethylene, an azeotrope having a boiling point of between 80.degree. and 130.degree. C., is incorporated into this perchloroethylene.

REFERENCES:
patent: 3630935 (1971-12-01), Potter
patent: 3642644 (1972-02-01), Grote et al.
patent: 3682834 (1972-08-01), Vivian
patent: 3701627 (1972-10-01), Grunewalder
patent: 3872021 (1975-03-01), McKnight
patent: 4023984 (1977-05-01), Clementson et al.
patent: 4227883 (1980-10-01), Peignier et al.
Raviprasad et al., Jour. Chem. Eng. Data, vol. 26, pp. 211-213 (Apr. 1981).

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