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OALib Journal期刊
ISSN: 2333-9721
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杂萘联苯结构聚醚腈酮漆包线的制备和性能
Abstract:
？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0.45～0.55dl/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0.065mm,在长度30m内的针孔数为0个.当聚合物的特性粘度达到0.48dl/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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