利用羧甲基纤维素(CMC)作为低熔点玻璃粉水分散液的防沉剂,用高压均质机对玻璃粉进行细化处理,使其粒度减小.探讨了不同高压均质时间对玻璃粉的粒度大小和烧结性能的影响;结果表明:在相同的压强下(50 MPa),高压均质时间越长则玻璃粉粒度越小、粒度分布范围越窄,其软化温度和烧结温度也越低.因此可以利用高压均质技术来降低玻璃粉的粒度,从而降低玻璃粉的软化温度和烧结温度.
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