Method of cleaning heavily soiled textiles

Details Method of cleaning heavily soiled textiles Method of cleaning heavily soiled textiles

1990-01-09

1992-05-12

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

134 26, D06L 122

Patent

active

051123584

ABSTRACT:
Heavily soiled shop towels, mops and other industrial laundry are initially contacted with a mixture of a cleaning solvent and an emulsifier to efficiently penetrate the industrial soil in the fabric. Thereafter water is added to provide an oil-in-water emulsion cleaning composition which effectively removes both the industrial soil and the solvent from the goods. A preferred class of hydrocarbon solvents suitable for this purpose is the class of solvents known as terpene solvents. Particularly suitable are terpene solvents having a tagg closed cup flash point, of 140.degree. F. or higher. The oil-in-water emulsion thereafter is demulsified for separation of the cleaning solvent from the water and recycle of the solvent to the process.

REFERENCES:
patent: 3701627 (1972-10-01), Grunewalder
patent: 4362638 (1982-12-01), Caskey et al.
patent: 4414128 (1983-11-01), Goffinet
patent: 4861385 (1989-08-01), Yagishita

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