| 磁性碳化硅陶瓷先驱体聚铁碳硅烷的研究 |
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| 引用本文： | 陈志彦,李效东,王军,王戈. 磁性碳化硅陶瓷先驱体聚铁碳硅烷的研究[J]. 高分子学报, 2005, 0(4): 535-539 |
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| 作者姓名： | 陈志彦 李效东 王军 王戈 |
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| 作者单位： | 国防科技大学新型陶瓷纤维及其复合材料重点实验室,长沙,410073;国防科技大学新型陶瓷纤维及其复合材料重点实验室,长沙,410073;国防科技大学新型陶瓷纤维及其复合材料重点实验室,长沙,410073;国防科技大学新型陶瓷纤维及其复合材料重点实验室,长沙,410073 |
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| 摘 要： | 通过低分子量的聚硅烷与二茂铁反应合成了聚铁碳硅烷(PFCS).探索了反应温度、裂解温度、二茂铁含量等因素对合成PFCS的影响.元素分析、红外光谱、氢谱分析表明,铁被引入到PFCS中,PFCS与聚碳硅烷的结构相似.高温裂解聚铁碳硅烷所得碳化硅陶瓷具有一定的磁性.
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| 关 键 词： | 聚铁碳硅烷 裂解温度 二茂铁 碳化硅 磁性 |
| 收稿时间： | 2004-03-29 |
| 修稿时间： | 2004-03-29 |
STUDY ON POLYFERROCARBOSILANE AS PRECURSOR OF MAGNETIC SILICON CARBIDE CERAMIC |
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| Chen Zhiyan,LI Xiaodong,WANG Jun,WANG Ge. STUDY ON POLYFERROCARBOSILANE AS PRECURSOR OF MAGNETIC SILICON CARBIDE CERAMIC[J]. Acta Polymerica Sinica, 2005, 0(4): 535-539 |
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| Authors: | Chen Zhiyan LI Xiaodong WANG Jun WANG Ge |
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| Abstract: | A polyferrocarbosilane(PFCS) was synthesized from low molecular weight polysilane and ferrocene.The synthesis techniques including reaction temperature,pyrolysis temperature and ferrocene content were investigated.The molecular weight and soft point of PFCS increase with raising reaction temperature,pyrolysis temperature,and adding more ferrocene.The most suitable synthesis conditions for PFCS are as follows,reaction temperature 350～420℃,pyrolysis temperature 450～510℃.The reaction temperature and pyrolysis temperature decrease greatly because of adding ferrocene.PFCS was characterized by element analysis,FT_IR and ()~1H-NMR.As a result,element iron was inducted to the polymer,and it seemed that the structure of PFCS is similar to that of polycarbosilane(PCS).The silicon carbide ceramic obtained from PFCS shows some magnetic properties. |
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| Keywords: | Polyferrocarbosilane Pyrolysis temperature Ferrocene Silicon carbide Magnetic properties |
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