Laundry method imparting soil release properties to laundered fa

Details Laundry method imparting soil release properties to laundered fa Laundry method imparting soil release properties to laundered fa

1977-11-30

1978-11-14

Schulz, William E.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

81156, 8137, 252 89, 428265, D01F 1100, D06L 100

Patent

active

041253701

ABSTRACT:
Detergent compositions, which are particularly suitable for removing oily soils from hydrophobic fibers, such as polyester, are disclosed, containing surface-active agents, polyester soil release polymers, and a component which dissociates in aqueous solution producing lithium, potassium, alkaline earth, zinc or quaternary ammonium cations. An embodiment of this invention includes compositions which contain surface-active agents, polyester soil release polymers, and a sufficient amount of detergency builder such that an aqueous laundry solution of the composition contains at least 1 .times. 10.sup.-4 moles/liter of alkaline earth metal ions. The process of laundering hydrophobic fibers in aqueous solutions of these compositions is also disclosed.

REFERENCES:
patent: 3775052 (1973-11-01), Van Paassen
patent: 3835071 (1874-09-01), Allen et al.
patent: 3959230 (1976-05-01), Hays
patent: 3962162 (1976-06-01), Nicol et al.

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