硅灰石表面改性研究及应用 |
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引用本文: | 王鉴,马震,孟庆明.硅灰石表面改性研究及应用[J].当代化工,2016(10):2296-2298. |
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作者姓名: | 王鉴 马震 孟庆明 |
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作者单位: | 东北石油大学 化学化工学院 石油与天然气化工省重点实验室,黑龙江 大庆,163318 |
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摘 要: | 利用硅烷偶联剂KH570改性硅灰石,并用其填充聚丙烯制备复合材料(KW/PP)。通过比较水接触角考察了KH570用量、改性时间及改性温度对硅灰石表面改性效果的影响,并用红外光谱、扫描电镜对复合材料进行表征。结果表明:当KH570为硅灰石质量的4%,改性时间为2 h,改性温度为80℃时,改性效果最好。KW/PP复合材料的冲击强度与弯曲强度较纯PP有明显提高。
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关 键 词: | 硅灰石 聚丙烯 表面改性 力学性能 |
Research on modification and application of wollastonite |
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Abstract: | Silane coupling agent was used as modifier to modify wollastonite, and the modified wollastonite was used to prepare composite(KW/PP). The influence of KH570 dosage,modification time and modification temperature were studied by comparing the contact angles of modified wollastonite; The microstructure of the composites were studied with FTIR and Scanning Electron Microscope. The results showed that the best surface modification effect was achieved when the ratio of KH570 was 4%, the modified time was 2 h and the modified temperature was 80 ℃. The impact strength and flexural strength of KW/PP composites increased obviously compared with PP matrix. |
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Keywords: | Wollastonite Polypropylene Surface modification Mechanical property |
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