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材料工程  2020, Vol. 48 Issue (3): 142-147    DOI: 10.11868/j.issn.1001-4381.2018.001363
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
煤系高岭土光固化浆料的流变性能
陈舒怡1,2, 陈双1,2, 吴甲民1,2, 何宁辉3, 史玉升2, 李晨辉2, 张矿1, 崔等1, 王永均1
1. 安徽金岩高岭土科技有限公司, 安徽 淮北 235000;
2. 华中科技大学 材料科学与工程学院 材料成形与模具技术国家重点实验室, 武汉 430074;
3. 国网宁夏电力公司电力科学研究院, 银川 750011
Rheological properties of photocurable coal-series kaolin slurry
CHEN Shu-yi1,2, CHEN Shuang1,2, WU Jia-min1,2, HE Ning-hui3, SHI Yu-sheng2, LI Chen-hui2, ZHANG Kuang1, CUI Deng1, WANG Yong-jun1
1. Anhui Golden Rock Kaolin Technology Co., Ltd., Huaibei 235000, Anhui, China;
2. State Key Laboratory of Materials Processing and Die&Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;
3. Power Science Research Institute of State Grid Ningxia Power Co., Yinchuan 750011, China
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摘要 基于光敏树脂体系制备煤系高岭土光固化浆料,采用流变仪对浆料的流变性能进行表征,研究分散剂和增塑剂加入量对浆料流变性能的影响。结果表明:油酸作为分散剂具有降低浆料黏度的效果,当油酸加入量为高岭土粉体的1%(质量分数)时浆料的黏度最小,在该条件下40%(体积分数)高岭土浆料的黏度为49.56 Pa·s。加入增塑剂PEG-300能够进一步降低浆料的黏度,浆料黏度随着增塑剂加入量的增加而减小,当增塑剂加入量为光敏树脂的20%(质量分数)时40%(体积分数)高岭土浆料的黏度下降为19.77 Pa·s,已经能较好地满足浆料涂布的要求。采用流变性能优化的浆料进行光固化成形,经过排胶、烧结后得到复杂形状的高岭土陶瓷件。
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陈舒怡
陈双
吴甲民
何宁辉
史玉升
李晨辉
张矿
崔等
王永均
关键词 煤系高岭土光固化流变性能增塑剂    
Abstract:Photocurable coal-series kaolin slurry was prepared based on photocurable resin system. The rheological properties of the slurry were characterized by a rheometer. The effect of dispersant and plasticizer addition on the rheological properties of the slurry was studied. The results show that oleic acid as a dispersant has the effect of reducing the viscosity of the slurry. When the mass fraction of oleic acid added is 1% of the kaolin powder, the viscosity of the slurry is the lowest, while the viscosity of the 40%(volume fraction) kaolin slurry is 49.56 Pa·s. Adding plasticizer PEG-300 can further reduce the viscosity of the slurry. The viscosity of the slurry decreases with the addition of plasticizer. When the plasticizer is added in the mass fraction of 20% of the photosensitive resin, the viscosity of the slurry decreases to 19.77 Pa·s, at which the requirement for good recoating is well met. The slurry with optimized rheological properties is formed in a stereolithography apparatus. After debinding and sintering, kaolin ceramics with complex shape are obtained.
Key wordscoal-series kaolin    stereolithography    rheological property    plasticizer
收稿日期: 2018-11-25      出版日期: 2020-03-18
中图分类号:  TB321  
通讯作者: 吴甲民(1984-),男,副教授,博士,研究方向为陶瓷增材制造技术及其应用,联系地址:湖北省武汉市洪山区珞喻路1037号华中科技大学东八楼附楼快速制造中心202室(430074),E-mail:jiaminwu@hust.edu.cn     E-mail: jiaminwu@hust.edu.cn
引用本文:   
陈舒怡, 陈双, 吴甲民, 何宁辉, 史玉升, 李晨辉, 张矿, 崔等, 王永均. 煤系高岭土光固化浆料的流变性能[J]. 材料工程, 2020, 48(3): 142-147.
CHEN Shu-yi, CHEN Shuang, WU Jia-min, HE Ning-hui, SHI Yu-sheng, LI Chen-hui, ZHANG Kuang, CUI Deng, WANG Yong-jun. Rheological properties of photocurable coal-series kaolin slurry. Journal of Materials Engineering, 2020, 48(3): 142-147.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2018.001363      或      http://jme.biam.ac.cn/CN/Y2020/V48/I3/142
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