Abstract: Using perfluoropolyether acyl fluoride as raw material,the first of its hydrolysis made perfluoropolyether carboxylic acid,then perfluoropolyether carboxylic acid ammoniation further made perfluoropolyether amide.Then the organic fluorine water emulsion type release agent was made by using non-ionic surfactant emulsion.The release performance and stability of release agent were improved by changing the content of water emulsion,and the analysis of the infrared spectrum,the contact angle and the stripping test were carried out.Results showed that when the organic fluorine solid content of release agent was 3.5%,the release agent had the best performance.The coating film can be rapidly solidified within 28 min under 25℃,remolding number can reach more than 20 times,and many times after stripping the stripping force was smaller than 4.8N/cm.The release agent can be used for resin and other products stripping.Preparation of emulsion was,emulsifier used TO-7 combined with TO-12,the ratio of 1∶7 in emulsion,HLB value was 11.5,when the emulsification temperature was controlled at 68℃,the prepared emulsion reached the most stable for 2 months not degeneration.
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