In this section, you can access to the latest technical information related to the FUTURE project topic.

Practical strategy to produce ultrafine ceramic glaze: Introducing a polycarboxylate grinding aid to the grinding process

In this work, a polycarboxylate comb-like polymer was used as grinding aid for ceramic slurry, and the effect of addition of this grinding aid on ceramic process property was highlighted. The grinding efficiency of the polycarboxylate grinding aid (PG) in terms of the particle size distribution and specific surface of unit volume of the ceramic slurry being ground were investigated. Consequently, the PG that was synthesized via free radical polymerization under the condition of an APEG/AA/MA molar ratio of 0.3:1:1, an initiator dosage of 5?wt%, and a reaction time of 6?h at 90?°C, provided better grinding efficiency than those of the triethanolamine and other commercial grinding aids. Specifically, with a dosage of 0.21% and 2?h of grinding, the d97 and d50 of ceramic slurry decreased from 13.956??m and 2.043?µm to 3.739?µm and 0.561?µm, respectively. The cumulative distribution, frequency distribution and SEM results exhibited a uniform particle size distribution for ceramic ground with PG-C. Furthermore, the sintering experiment indicated that a lower processing temperature was capable of producing ultrafine ceramic. These improvements indicated the potential application of the PG as an efficiency ceramic grinding aid, which further facilitating the preparation of uniform ultrafine slurry by a sand mill.

» Author: Fei Cheng, Ying Feng, Qinqin Su, Daidong Wei, Bin Wang, Yuewen Huang

» Reference: 10.1016/j.apt.2019.05.014

» Publication Date: 27/05/2019

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