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Detergent building action of uncharged polymers in relation to their molecular weights
Author(s) -
Tokiwa Fumikatsu,
Imamura Tetsuya
Publication year - 1972
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02633787
Subject(s) - polyvinyl alcohol , polymer , polyethylene , polyethylene glycol , chemical engineering , molecular mass , polymer chemistry , chemistry , materials science , organic chemistry , engineering , enzyme
The detergency building action of water soluble uncharged polymers has been studied in relation to their molecular weights. Standard soiled cloths were used to evaluate detergency and results were obtained for detergent formulations without polyphosphate. The polymers examined were polyethylene glycols, polyvinyl alcohols and polyvinyl pyrrolidones. The building action is highly dependent on the molecular weight of the polymers, and only a small difference has been found between the chemical structures of the polymers examined. As the molecular weight decreases, the building action generally increases. For polyethylene glycol and polyvinyl alcohol, an optimum range of molecular weight was observed for maximum effectiveness. The building action of these polymers seems to be closely related to their ability to disperse soil particles in detergent solution. Data on suspension stabilities of titanium oxide, ferric oxide and kaolinite particles in the presence of polyethylene glycols are also included.