Soil release polymers and detergent compositions containing...

Details Soil release polymers and detergent compositions containing... Soil release polymers and detergent compositions containing...

C - Chemistry, Metallurgy

08

G

C08G 63/668 (2006.01) C08G 63/688 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2180221

A water-soluble copolyester comprising units of a polyglycol or capped polyglycol (for example, polyethylene glycol or polyethylene glycol methyl ether), an aromatic dicarboxylic acid (for example, terephthalic acid) and at least 30 mole% of a polyol having at least three hydroxyl groups (for example, glycerol), but free of ethylene glycol units, is a highly effective soil release polymer for use in detergent compositions. The aromatic dicarboxylic acid units may include units of a sulphonated aromatic dicarboxylic acid (for example, sulphoisophthalic acid).

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