以新型杂萘联苯聚醚腈酮(PPENK)为基料,制备出耐热漆包线用绝缘漆.研究了漆液的浓度、温度及聚合物特性粘度对漆液流动粘度的影响.结果表明,随着溶液浓度和聚合物特性粘度的提高以及漆液温度的降低,漆液的涂-4粘度值增大,当特性粘度为0.45～0.55 dL/g、溶液浓度为18%、漆液温度为35～40℃时,制备的漆包线绝缘漆的厚度可达到0.065 mm,在长度30 m内的针孔数为0个.当聚合物的特性粘度达到0.48 dL/g时,漆包线具有良好的柔韧性和附着性.材料中扭曲非共平面的杂萘联苯结构和反应活性基团-CN的存在,提高了漆包线的电性能和热性能.
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