Method of high temperature laundering using sodium citrate and an anionic
Miles Inc.
Disclosed is a fabric cleaning process which involves contacting the fabric with a cleaning solution comprising an anionic detergent and sodium citrate as detergent builder at a temperature above about 70.degree. C.
1ClaimsFirst of 5
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A method of cleaning soiled fabric which involves contacting it with an aqueous composition consisting essentially of hard water, from about 10 to 30% of an anionic detergent, 0 to 20% of a non-ionic detergent and 2 to 18% sodium citrate as the sole detergent builder at a temperature in the range of from about 70.degree. C. to the boiling temperature of the composition.
2Description
Since the early 1970's, when concern over the environment caused many areas of the United States to restrict or eliminate the use of phosphates in heavy duty laundry detergents, the industry has been turning to other sources for the control of water hardness ions in wash water, i.e. calcium and magnesium. More recently, the desire to replace phosphate detergent builders with environmentally safe…