| 摘要 |
There is disclosed a parting agent comprising the reaction product of an isocyanate compound and an isocyanate-reactive compound of the general structure <paragraph lvl="0"><in-line-formula>R-(ao)n-Y </in-line-formula>wherein: R is a hydrophobic group containing alkyl, alkaryl, polyaryl, or siloxane moieties; (ao) is an alkylene oxide or mixture of alkylene oxides such as ethylene oxide, propylene oxide, butylene oxide, and mixtures thereof; n is about 1 to about 25; and Y represents a monofunctional isocyanate-reactive group. There is also disclosed the processes that may be utilized to produce the parting agent.
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