| 聚乙烯醇对制备A95多晶氧化铝纤维的影响 |
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| 引用本文： | 张永治,李红霞,孙加林,王金相.聚乙烯醇对制备A95多晶氧化铝纤维的影响[J].沈阳工业大学学报,2011,33(1):55-61. |
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| 作者姓名： | 张永治 李红霞 孙加林 王金相 |
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| 作者单位： | 中钢集团洛阳耐火材料研究院有限公司先进耐火材料国家重点实验室;北京科技大学材料科学与工程学院; |
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| 基金项目： | 国家发改委基金资助项目(GJ20091717); 中钢集团洛阳耐火材料研究院有限公司基金资助项目(05308P0001) |
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| 摘 要： | 为了提高A95铝硅溶胶的成纤性，研究了不同质量分数和不同聚合度的聚乙烯醇（PVA）对铝硅溶胶成纤性的影响，测试了溶胶的黏度、流变性、微观组织结构、红外光谱、凝胶纤维的直径及分布范围和纤维体的BET比表面积及其孔径分布.结果表明，在没有任何成纤助剂的情况下，溶胶不具有成纤性；当w（PVA2099）在1.0%~2.0%时，凝胶纤维细而均匀，渣球较少；当w（PVA2099）为2.0%时，纤维的BET比表面积和吸附气体量达到最大；当w（PVA2099）达到4.0%时，凝胶纤维较粗且不均匀，渣球较多.凝胶纤维的直径及其分布范围随着PVA聚合度的增大而增大，且当PVA的聚合度为1799和1899时，制得的凝胶纤维细而均匀.
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| 关 键 词： | 聚乙烯醇 A95多晶氧化铝纤维 成纤性 聚合度 溶胶 黏度 流变性 凝胶纤维 |
Influence of polyvinyl alcohol on synthesis of A95-polycrystalline-alumina fiber |
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| ZHANG Yong-zhi,LI Hong-xia,SUN Jia-lin,WANG Jin-xiang.Influence of polyvinyl alcohol on synthesis of A95-polycrystalline-alumina fiber[J].Journal of Shenyang University of Technology,2011,33(1):55-61. |
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| Authors: | ZHANG Yong-zhi LI Hong-xia SUN Jia-lin WANG Jin-xiang |
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| Affiliation: | ZHANG Yong-zhi1,2,LI Hong-xia1,SUN Jia-lin2,WANG Jin-xiang1,2(1.State Key Laboratory of Advanced Refractories,SinoSteel Luoyang Institute of Refractories Research Co.Ltd.,Luoyang 471039,China,2.School of Materials Science and Engineering,University of Science & Technology Beijing,Beijing 100083,China) |
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| Abstract: | In order to improve the fiberizability of A95 aluminum-silicon sol,the influence of polyvinyl alcohol with various mass fraction and polymerization degree on the fiberizability of aluminum-silicon sol was researched.The viscosity,rheological property,microstructure and infrared spectrum of the sol,the diameter and distribution scope of the gel fibers,as well as the BET specific surface area and pore diameter distribution of the fiber were measured.The results show that without any fiberizing agent,the gel h... |
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| Keywords: | polyvinyl alcohol A95 polycrystalline-alumina fiber fiberizability polymerization degree sol viscosity rheological property gel fiber |
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