A paste-form low-foaming non-phosphate detergent

Details A paste-form low-foaming non-phosphate detergent A paste-form low-foaming non-phosphate detergent

C - Chemistry, Metallurgy

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C11D 3/08 (2006.01) C11D 1/22 (2006.01) C11D 1/68 (2006.01) C11D 1/72 (2006.01) C11D 1/83 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2003519

A paste-form, non-phosphate detergent which is particularly suitable for the washing of heavily soiled working apparel and which generates no troublesome foam containing (A) 1 to 3% by weight sodium alkyl benzene sulfonate having linear C9-13 alkyl chains, (B) 14 to 18% by weight of a linear or 2-methyl-branched, saturated, primary C12-15 alcohol containing 2 to 4 ethylene glycol ether groups, (C) 12 to 16% by weight of a linear or 2-methyl-branched, saturated, primary C12-15 alcohol containing 6 to 8 ethylene glycol ether groups, (D) 50 to 65% by weight sodium silicate having the composition Na2O : Sio2 = 1 : 0.8 to 1 : 1.5, (E) 2 to 8% by weight, based on sodium salt, of at least one complexing agent from the group consisting of nitrilotriacetic acid and polyphosphonic acids, (F) 0.5 to 2.5% by weight water-soluble polymers having a redeposition-inhibiting effect, (G) 0 to 5% by weight other non-surfactant and non-builder detergent constituents and (H) less than 4% by weight water. The paste can be introduced into washing machines by automatic dispensing systems.

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