以α-Al2O3为骨料,羧甲基纤维素(CMC)为造孔剂,高岭土为高温黏结剂,TiO2为烧结助剂,采用滚压成型和熔模芯法制备出管式多孔α-Al2O3陶瓷膜支撑体.研究了造孔剂用量、高温粘结剂用量、烧结助剂用量、烧结温度等因素对支撑体性能的影响.结果表明:在CMC含量为3％,高岭土含量为10％,TiO2含量为2％,烧结温度为1300℃,保温时间2h时,制出的支撑体平均孔径为1.86μm,孔隙率36.97％,0.1MPa下纯水通量在2115.55 L/(m2·h),抗折强度在19.78 MPa,耐酸碱度为99.83％和99.86％.
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