Abstract
Poly [(sodium acrylate) -co- (2-cyclohexen-1-one)] s containing hydrophobic cyclohexanone rings and enzymatically active carbonyl groups were prepared and their building performances in detergents were examined. Preparations were made by the radical polymerization of 2-cyclohexen-1-one with methyl acrylate or acrylic acid. Detergency tests were carried out using heavy duty detergent formulations on the soiled cotton cloths. It was found that these copolymers showed a better detergency building performance than those of trisodium citrate and zeolite with some of them superior to those of sodium tripolyphosphate (STPP), and also showed an improved biodegradability. It seems that the cyclohexanone ring in the poly (carboxylic acid) acts as a booster of detergency as well as a biodegradation unit.
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