以BaCO3和TiO2粉末为原料,采用固相反应法合成Ba2Ti9O20的粉体,并以此粉体为主要原料添加适量的分散剂、粘结剂及塑性剂,采用流延法制备Ba2Ti9O20陶瓷膜片.研究了不同种类和配比的溶剂、不同种类和含量的分散剂对Ba2Ti9O20流延浆料的流变特性的影响.结果表明,当选用异丙醇和甲苯(体积比为75:25)为溶剂,固含量Ba2Ti9O2054wt％,分散剂蓖麻油0.5wt％,粘结剂聚乙烯醇缩丁醛5wt％,塑性剂聚乙二醇5wt％时,流延浆料的流变性能较好,浆料的粘度为9.1Pa.S.
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