Soil release agents having allyl-derived sulfonated end caps

Details Soil release agents having allyl-derived sulfonated end caps Soil release agents having allyl-derived sulfonated end caps

C - Chemistry, Metallurgy

07

C

260/473.1, 134/3

C07C 309/05 (2006.01) C08G 63/688 (2006.01) C08G 63/91 (2006.01) C11D 3/07 (2006.01) C11D 3/37 (2006.01)

Patent

CA 1332953

The present invention relates to novel soil release agents, which are particular sulfonated linear terephthalate ester oligomers (S.T.E. oligomers). The S.T.E. oligomers are especially suitable for formulation into laundry products such as laundry detergents or fabric conditioners. Thus formulated, they provide effective soil release treatments for fabrics laundered in the home. The S.T.E. oligomers can be made by radical-initiated sul- fonation of an allyl end-capped oligomeric ester precursor, and in the preferred embodiments, comprise a high proportion of disulfon- ate or sulfinate-sulfonate end-capping groups.

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