| 钛酸酯偶联剂改性纳米碳酸钙剂量的确定 |
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| 引用本文： | 孙秋艳,郭春丽.钛酸酯偶联剂改性纳米碳酸钙剂量的确定[J].河北理工学院学报,2008(4). |
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| 作者姓名： | 孙秋艳 郭春丽 |
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| 作者单位： | 河北理工大学机械工程学院; |
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| 摘 要： | 采用钛酸酯偶联剂将纳米碳酸钙进行湿法改性后,通过活化度和吸油值确定钛酸酯改性剂用量在2.5%时为最佳用量。然后通过在液体石蜡中的沉降体积验证了此改性剂用量可以作为最佳剂量,最后给出了偶联剂的改性机理。
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| 关 键 词： | 钛酸酯偶联剂 纳米碳酸钙 活化度 吸油值 沉降体积 |
Dosage Determination of Titanate Coupling Agent Modifying Nano-calcium Carbonate |
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| SUN Qiu-yan,Guo Chun-li.Dosage Determination of Titanate Coupling Agent Modifying Nano-calcium Carbonate[J].Journal of Hebei Institute of Technology,2008(4). |
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| Authors: | SUN Qiu-yan Guo Chun-li |
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| Affiliation: | SUN Qiu-yan,Guo Chun-li(College of Mechanical Engineering,Hebei Polytechnic University,Tangshan Hebei 063009,China) |
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| Abstract: | After the surface of nano-CaCO3 was modified with titanate coupling agent by wet-modification,titanate coupling agent dosage of 2.5% is the best through activation grade and oil-absorbed value.Then the modifier amount can be regarded as the best dosage that is confirmed by settling volume in liquid paraffin and the modified mechanism is given in the end of the paper. |
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| Keywords: | titanate coupling agent nanometer calcium carbonate activation grade oil-absorbed value settling volume |
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