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材料导报  2022, Vol. 36 Issue (Z1): 21070206-6    
  高分子与聚合物基复合材料 |
聚硼硅氧烷剪切增稠凝胶的制备影响因素及其在不同温度下的流变性能研究
林欢1,2, 石启亮2, 蔡利海1, 刘文言2, 李万利1
1 军事科学院系统工程研究院军事新能源技术研究所,北京 102300
2 中国矿业大学机电与信息工程学院,北京 100083
Study on Influencing Factors of Preparation of PBS-STG and Its Rheological Properties at Different Temperatures
LIN Huan1,2, SHI Qiliang2, CAI Lihai1, LIU Wenyan2, LI Wanli1
1 Institute of Military New Energy Technology, Institute of Systems Engineering, Academy of Military Sciences, Beijing 102300, China
2 School of Mechanical Electronic ＆ Information Engineering, China University of Mining ＆ Technology, Beijing 100083, China
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摘要 聚硼硅氧烷剪切增稠凝胶(Polyborodimethylsiloxanes shear thickening gel,PBS-STG)在防护材料领域具有良好的应用前景,但是关于PBS-STG的制备条件和自然环境下的稳定性研究少有报道。本工作系统研究了原料配比、反应时间、反应温度、二甲基硅油黏度对制备PBS-STG的影响以及不同温度下PBS-STG的流变性。PBS-STG的制备条件:二甲基硅油黏度为350 Pa·s,硼酸和二甲基硅油配比趋近为1∶10(B、Si物质的量比),缓慢升温至240 ℃,反应时间6 h以上。变温实验结果表明:PBS-STG在-40~40 ℃均具有剪切增稠特性并且性质稳定,在温度为10 ℃时具有最佳剪切增稠特性,这对PBS-STG在防护领域的应用具有重要指导意义。
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林欢
石启亮
蔡利海
刘文言
李万利
关键词:  聚硼硅氧烷剪切增稠凝胶(PBS-STG)  影响因素  温度  流变性    
Abstract: Polyborodimethylsiloxanes shear thickening gel (PBS-STG) has a great application prospect in the field of protective material; however, there were few reports on the preparation conditions and stability of PBS-STG in natural environment.In this work, the effects of the ratio of raw materials, reaction time, reaction temperature, viscosity of dimethyl silicone oil on the preparation of PBS-STG and the rheological properties of PBS-STG at different temperatures were systematically studied. The preparation conditions of PBS-STG were as follows: the viscosity of dimethyl silicone oil was 350 Pa·s, the ratio of boric acid and dimethyl silicone oil approached n(B)∶n(Si) was 1∶10, the temperature was slowly increased to 240 ℃, and the reaction time was more than 6 h. The experimental results at variable temperature indicated that PBS-STG had stable shear thickening characteristics from -40 ℃ to 40 ℃, and presented the best shear thickening characteristics at 10 ℃, which showed important guiding significance for the application of PBS-STG in the protection field.
Key words:  PBS-STG    influencing factors    temperature    rheology
出版日期:  2022-06-05      发布日期:  2022-06-08
ZTFLH:  TB324  
通讯作者:  13520351817@139.com   
作者简介:  林欢,2017年6月毕业于延边大学,获得理学学士学位。现为中国矿业大学(北京)和军事科学院系统工程研究院军事新能源技术研究所联合培养硕士研究生,在高级工程师李万利的指导下进行研究。目前主要研究领域为防护材料。
李万利,本科、硕士毕业于厦门大学,博士毕业于中国科学院化学研究所,高分子材料专业。现为军事科学院系统工程研究院军事新能源技术研究所高级工程师。目前主要从事军事能源装备材料与安全防护技术方面的研究工作。近年来,发表论文30多篇,授权国家发明专利10余项。
引用本文:    
林欢, 石启亮, 蔡利海, 刘文言, 李万利. 聚硼硅氧烷剪切增稠凝胶的制备影响因素及其在不同温度下的流变性能研究[J]. 材料导报, 2022, 36(Z1): 21070206-6.
LIN Huan, SHI Qiliang, CAI Lihai, LIU Wenyan, LI Wanli. Study on Influencing Factors of Preparation of PBS-STG and Its Rheological Properties at Different Temperatures. Materials Reports, 2022, 36(Z1): 21070206-6.
链接本文:  
http://www.mater-rep.com/CN/  或          http://www.mater-rep.com/CN/Y2022/V36/IZ1/21070206
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