| 对几种不同熔融指数HDPE的PTC性能及其改性研究 |
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| 引用本文： | 贾文陶,陈欣芳. 对几种不同熔融指数HDPE的PTC性能及其改性研究[J]. 高分子材料科学与工程, 1995, 0(4) |
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| 作者姓名： | 贾文陶 陈欣芳 |
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| 作者单位： | 吉林大学材料科学系 |
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| 基金项目： | 国家自然科学基金,吉林省科委基金 |
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| 摘 要： | 研究了４种不同熔融指数的ＨＤＰＥ的正温度效应（ＰＴＣ）效应，发现它们经辐射交联后具有相似的ＰＴＣ行为，对此进行了解释，并进一步研究了交联以及填加少量ＥＰＤＭ对改善ＨＤＰＥ的ＰＴＣ性能的影响。
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| 关 键 词： | PTC效应，辐射交联，共混物，PTC强度，NTC效应 |
THE SYNTHESIS AND STRUCTURE ANALYSIS OF POLY(P-PHENYLENEDIAMINE)CATALYZED BY PREOXIDASE |
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| Xu Haiyan,Xu Lianghua. THE SYNTHESIS AND STRUCTURE ANALYSIS OF POLY(P-PHENYLENEDIAMINE)CATALYZED BY PREOXIDASE[J]. Polymer Materials Science & Engineering, 1995, 0(4) |
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| Authors: | Xu Haiyan Xu Lianghua |
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| Abstract: | The polymerization of para-phenylenediamine was investigated using peroxidase as a catalyst in non-aqueous media. The chain structure of the polymerization product was discussed through the analysis of its IR spectrum and UV-spectrum. The thermal stability of the products was examined by TG analysis.The results indicate that the thermal stability increases with the molecular weight of the product increasing and the molecular weight of the product can be changed by adjucting the organic solvent concentration of the synthetic system. |
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| Keywords: | s: poly (p-phenylenediamine) enzymatic polymerization |
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