蛭石基流延浆料的流变性能研究

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (1): 312-316.

所属专题：新型功能材料

蛭石基流延浆料的流变性能研究

胡善海^1,2, 钱玉鹏^1,2, 江学峰^1,2, 王飞^1,2, 丁锋³, 赵绍林⁴

1.武汉理工大学资源与环境工程学院,武汉 430070;
2.矿物资源加工与环境湖北省重点实验室,武汉 430070;
3.浙江国泰萧星密封材料股份有限公司,杭州 311255;
4.中南安全环境技术研究院股份有限公司,武汉 430070

收稿日期:2020-07-07 修回日期:2020-10-27 出版日期:2021-01-15 发布日期:2021-02-07
通讯作者: 钱玉鹏,博士,副教授。E-mial:qianyupeng@whut.edu.cn
作者简介:胡善海(1998—),男,硕士研究生。主要从事非金属复合材料研究。E-mial:952989535@qq.com
基金资助:
中央高校基本科研业务费专项(2019III089CG)

Research on Rheological Properties of Vermiculite Based Casting Slurry

HU Shanhai^1,2, QIAN Yupeng^1,2, JIANG Xuefeng^1,2, WANG Fei^1,2, DING Feng³, ZHAO Shaolin⁴

1. School of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan 430070,China;
2. Hubei Key Laboratoryof Mineral Resources Processing and Environment,Wuhan 430070,China;
3. Zhejiang Cathay Packing and Sealing Co.,Ltd.,Hangzhou 311255,China;
4. Central-Southern Safety and Environment TechnologyInstitute Co.,Ltd.,Wuhan 430070,China

Received:2020-07-07 Revised:2020-10-27 Online:2021-01-15 Published:2021-02-07

摘要/Abstract

摘要： 以改性膨胀蛭石和滑石填料为原料,蓖麻油为分散剂,聚乙烯醇缩丁醛(PVB)为粘结剂,邻苯二甲酸二丁酯(DBP)为增塑剂,采用球磨法制备蛭石基流延浆料。考察浆料固含量和各组分添加量对浆料流变性能的影响,得出了合适的浆料配方为:固含量质量分数为50%、蓖麻油用量为粉体质量的2%、PVB用量为粉体质量的6%、DBP用量为R=0.8时,流延浆料具有典型剪切变稀行为的塑性流体特性,该配方制备的蛭石基流延坯料表面均匀,无裂纹。

关键词: 膨胀蛭石, 浆料, 流延成型, 流变性能, 密封材料

Abstract: Vermiculite based casting slurry was prepared using ball milling with modified expanded vermiculite and talc as raw materials,castor oil as dispersant,polyvinyl butyral (PVB) as binder and dibutyl phthalate (DBP) as plasticizer.The effects of solid dosages and amount of each component on the rheological properties of slurry were investigated.The suitable mass fraction components of tape casting slurry are obtained as follows:the solid dosage mass fraction of vermiculite powder is 50%,the castor oil dosage is 2%,the PVB dosage is 6%,and the DBP dosage is R=0.8.The casting slurry has plastic fluid characteristics with typical shear thinning behavior.The vermiculite based casting blank prepared by this formula has a uniform surface without cracks.

Key words: expanded vermiculite, slurry, tape casting, rheological property, sealing material

中图分类号:

TD985

胡善海, 钱玉鹏, 江学峰, 王飞, 丁锋, 赵绍林. 蛭石基流延浆料的流变性能研究[J]. 硅酸盐通报, 2021, 40(1): 312-316.

HU Shanhai, QIAN Yupeng, JIANG Xuefeng, WANG Fei, DING Feng, ZHAO Shaolin. Research on Rheological Properties of Vermiculite Based Casting Slurry[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(1): 312-316.

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蛭石基流延浆料的流变性能研究

Research on Rheological Properties of Vermiculite Based Casting Slurry

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