采用固相反应法合成Mg0.7Zn0.3TiO3(M7Z3T)粉体作为凝胶注模成型的原料,研究了分散剂(PAA-NH4)加入量、pH值、固相含量、单体(AM)浓度和单体与交联剂(MBAM)质量比对浆料流变性的影响.结果表明:当浆料pH值为10,分散剂(PAA-NH4)加入量为0.7wt%时,固相含量为52vol%,M7Z3T浆料的起始粘度为0.459Pa·s.预混液中单体含量为10wt%,交联剂与单体质量比为20∶1,引发剂(APS)加入量为1wt%,固化温度为60℃的条件下,采用凝胶注模成型制备出了抗弯强度为24.47 MPa的M723T生坯.
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