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本文研究了应用于陶瓷注射成形技术的聚乙烯醇缩丁醛(PVB)基粘结剂体系,它主要包括PVB、邻苯二甲酸二辛酯(DOP)、润滑剂和偶联剂.该粘结剂体系与Al2O3粉末有较强的相互作用,可以制备混炼均匀和高固含量的Al2O3陶瓷注射料,并且注射料具有高的生坯强度和良好的注射成形性.根据该粘结剂体系的TGA曲线,可以选择合适的热脱脂程序,经热脱脂和烧结得到结构致密的陶瓷制件.

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