C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/08 (2006.01) C08L 33/02 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2146598
A laundry detergency boosting polymer blend additive is made up of: a) a graft copolymer of polyalkylene oxide with vinyl ester, the graft copolymer having a molecular weight within the range of about 5,000 to 50,000; and b) at least one polycarboxylate selected from the group consisting of acrylic/maleic acid copolymers having a molecular weight within the range of about 1,000 to 100,000, and polyacrylic acid having a molecular weight of from about 1,000 to 100,000. The polymer blend additive is effective in water with an ion hardness in the range of about 50 to 500 ppm. The detergency boosting performance of the polymer blend additive is maintained or increased as the concentration of the hardness ions in water is increased.
Gopalkrishnan Sridhar
Holland Richard J.
Parker Edward J.
Patterson Sonia
Basf Corporation
Gopalkrishnan Sridhar
Holland Richard J.
Parker Edward J.
Patterson Sonia
LandOfFree
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