Preparation of water-soluble polyurethane surfactants
1998
A novel series of water-soluble polyurethane surfactants has been prepared by the addition polymerization of 2,4 and 2,6-toluene diisocyanate 80 : 20%, respectively (TDI) to polyethylene glycol (PEG) and/or castor oil and ethylene glycol (EG). These water-soluble polyurethane surfactants have been found to exhibit excellent surface active properties including surface tension, foaming and wetting tendency, and formation of stable emulsions. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 68: 1531–1536, 1998
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