| 摘要 |
Asymmetric carboxylic acid ester having a long chain alcohol component are effective mold release agents in thermoplastic resins, ester of the formula <IMAGE> wherein R1 is alkyl of from one to about five carbon atoms, inclusive; and R2 is alkyl of from about ten to about thirty carbon atoms, inclusive or monoalkenyl of from about ten to about thirty carbon atoms, inclusive, with the provisos that unsaturation is not on the carbon attached to the oxygen and the ester is essentially non volatizable under processing conditions. |
