Suds suppressor compositions and their use in detergent...

Details Suds suppressor compositions and their use in detergent... Suds suppressor compositions and their use in detergent...

C - Chemistry, Metallurgy

11

D

134/3

C11D 3/37 (2006.01) C11D 3/00 (2006.01)

Patent

CA 1231024

- 24 - SUDS SUPPRESSOR COMPOSITIONS AND THEIR USE IN DETERGENT COMPOSITIONS ABSTRACT A suds suppressor compositon comprising, as suds-suppressor, a blend of: (i) a high shear mix of polydimethylsiloxane (PDMS) and hydrophobic silica, the PDMS having a viscosity of from 20 to 12,500 cs, and (ii) PDMS having a viscosity of at least 25,000 cs wherein the blend has a viscosity of at least 18,000 cs, the suds suppressor being dispersed in a water-soluble or water-dispersible organic carrier comprising: (i) from 1% to 100% of a first carrier component melting in the range from 38°C to 90°C and (ii) from 0% to 99% of a second carrier component which is an ethoxylated nonionic surfactant melting in the range from 5°C to 36°C. The compositions are particularly suitable in high-active containing heavy duty detergent compositions and provide improved foam regulation across the range of wash temperature, product usage, soil, load and rinsing conditions.

461755

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