【摘 要】
：
针对充填用玻璃离子水门汀（Glass ionomer cement,GIC）机械强度不足的问题,选取SiO2-Al2O3-CaF2-CaOP2O5体系,用溶胶凝胶法（sol-gel）制备玻璃粉,以市售GIC为对照,抗压强度为指标,
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针对充填用玻璃离子水门汀（Glass ionomer cement,GIC）机械强度不足的问题,选取SiO2-Al2O3-CaF2-CaOP2O5体系,用溶胶凝胶法（sol-gel）制备玻璃粉,以市售GIC为对照,抗压强度为指标,优化配方、煅烧温度、粉液比并用乙酸处理来提高GIC机械性能,并测试GIC的抗压强度、维氏硬度和净固化时间,用XRD表征并做粒径分析,所得数据用单因素方差分析。以配方2.3SiO2-2.2Al2O3-0.5CaO-0.5CaF2-0.08P2O5,750℃煅烧,1.5%乙酸处理后酸
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