| KH-570改性硅溶胶的制备及反应稳定性研究 |
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| 引用本文： | 叶雨佐,李红强,卢俊杰,曾幸荣.KH-570改性硅溶胶的制备及反应稳定性研究[J].有机硅材料,2011,25(3):153-156. |
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| 作者姓名： | 叶雨佐 李红强 卢俊杰 曾幸荣 |
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| 作者单位： | 华南理工大学材料科学与工程学院,广州,510641 |
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| 摘 要： | 以γ-甲基丙烯酰氧基丙基三甲氧基硅烷(KH-570)为改性剂、采用乳化剂代替助溶剂,对硅溶胶进行表面改性,制备了KH-570改性硅溶胶.研究了pH值、乳化剂的种类和用量对改性反应稳定性的影响,并采用傅里叶变换红外光谱和动态激光光散射对改性硅溶胶的结构进行了表征.结果表明:当体系pH值为5～7、以十二烷基硫酸钠代替助溶剂...
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| 关 键 词： | 硅溶胶 γ-甲基丙烯酰氧基丙基三甲氧基硅烷 十二烷基硫酸钠 |
Preparation of KH-570 Modified Silica Sol and its Reaction Stability |
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| YE Yu-zuo,LI Hong-qiang,LU Jun-jie,ZENG Xing-rong.Preparation of KH-570 Modified Silica Sol and its Reaction Stability[J].Silicone Material,2011,25(3):153-156. |
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| Authors: | YE Yu-zuo LI Hong-qiang LU Jun-jie ZENG Xing-rong |
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| Affiliation: | YE Yu-zuo,LI Hong-qiang,LU Jun-jie,ZENG Xing-rong(School of Materials Science and Engineering,South China University of Technology,Guangzhou 510641,Guangdong) |
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| Abstract: | KH-570 modified silica sol was modified by methacryloylpropyl trimethoxysilane(KH-570) with the emulsifier to replace the cosolvents.The effects of the pH value,the kinds and the amount of the emulsifier on the reaction stability of the KH-570 modified silica were investigated.The structure of KH-570 modified silica sol was characterized by Fourier Transform Infrared Spectroscopy(FTIR) and Dynamic Light Scattering(DSL).The results indicated that the high reaction stability of KH-570 modified silica sol was ... |
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