| abstract |
The invention provides a detergent formulations comprising at least one water soluble polymer, or salt thereof, bearing at least one phosphonate group. Suitable polymers comprise:wherein X is H, Na, K or A; and A is a polymer, copolymer, or water soluble salt thereof, comprising, one or more of the following monomers in polymerized form:carboxylic acids of the formulawhereinR1 is H, OH, C1-C9 alkyl or alkoxy or acetoxy or acetateR2 is H, C1-C3 alkyl or alkoxy, COOR3R3 is H, Na, K or C1-C10 alkyl;hydroxypropyl acrylate, propyl methacrylate, 2-acrylamido-2-propane sulphonic acid, sodium styrene sulphonate, sodium allylsulphonate, sodium methyl sulphonate, vinyl sulphonic acid, and salts thereof; acrylamide, methacrylamide, tert-butylacrylamide, (meth)acrylonitrile, styrene, vinyl acetate allyloxy-2-hydroxypropyl sulphonate and dialkylacrylamide.Machine dish washing detergents and laundry detergents are also provided which comprise detergent formulations of the present invention. |