| 纳米SiO2改性纯丙乳液的研究 |
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| 引用本文： | 郭文录,张莉,朱华伟.纳米SiO2改性纯丙乳液的研究[J].涂料工业,2011,41(3). |
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| 作者姓名： | 郭文录 张莉 朱华伟 |
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| 作者单位： | 江苏科技大学材料科学与工程学院,江苏镇江,212003 |
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| 摘 要： | 采用油酸对纳米SiO2进行表面改性,有效地改善了纳米SiO2的表面性能,并通过预乳化种子乳液法制备了纳米SiO2改性纯丙乳液,并对改性前后的SiO2、纯丙乳液及纳米SiO2改性纯丙乳液进行红外、扫描电镜、X-射线衍射、热质、紫外一可见分析表征.结果表明,改性后的SiO2粒子疏水性增强,团聚现象明显减少.说明通过油酸改性,提高了无机纳米SiO2粒子在有机物中的分散性,为其参加乳液聚合创造了条件.紫外一可见光谱、热质分析结果表明纳米SiO2改性的纯丙乳液热稳定性和耐紫外光性得到了提高.
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| 关 键 词： | 纯丙乳液 纳米SiO2 油酸 表面改性 |
Research of Nano-SiO2 Modified Pure Acrylic Emulsion |
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| Guo Wenlu,Zhang Li,Zhu Huawei.Research of Nano-SiO2 Modified Pure Acrylic Emulsion[J].Paint & Coatings Industry,2011,41(3). |
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| Authors: | Guo Wenlu Zhang Li Zhu Huawei |
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| Affiliation: | Guo Wenlu,Zhang Li,Zhu Huawei(School of Material Science and Engineering,Jiangsu University of Science and Technology,Zhenjiang,Jiangsu 212003,China) |
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| Abstract: | The surface properties of nano-SiO2 was successfully improved by oleic acid.The nano-SiO2 modified pure acrylic emulsion was prepared by use of seed emulsion polymerization.The SiO2 after and before modification,pure arylic emulsion and nano-SiO2 modified emulsions were characterized by FT-IR,SEM,XRD and TGA.The results showed that the hydrophobicity of nano-SiO2 was increased with less agglomeration.The modified nano-SiO2 powder could be well dispersed in organic medium,which provided necessary conditions ... |
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| Keywords: | pure acrylic emulsion nano-SiO2 oleic acid surface modification |
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