| 高温热处理对聚酰亚胺前驱体凝胶膜性能的影响 |
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| 引用本文： | 俞娟,蒋远媛,王晓东,黄培. 高温热处理对聚酰亚胺前驱体凝胶膜性能的影响[J]. 材料工程, 2009, 0(8) |
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| 作者姓名： | 俞娟 蒋远媛 王晓东 黄培 |
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| 作者单位： | 南京工业大学,材料化学工程国家重点实验室,南京,210009 |
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| 摘 要： | 考察不同温度处理的聚酰亚胺前驱体凝胶膜的热稳定性和力学性能,以及不同升温速率对薄膜亚胺化程度的影响.结果表明:随着升温速率的增大,薄膜的亚胺化程度略有下降,但随着处理温度的升高,其热稳定性能和力学性能都有明显的提高,拉伸强度、弹性模量增大到107MPa和2770MPa.
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| 关 键 词： | 高温热处理 聚酰亚胺薄膜 亚胺化 热稳定性 力学性能 |
Effect of High Temperature Treatment on Properties of Sol Film for Polyimide Precursor |
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| YU Juan,JIANG Yuan-yuan,WANG Xiao-dong,HUANG Pei. Effect of High Temperature Treatment on Properties of Sol Film for Polyimide Precursor[J]. Journal of Materials Engineering, 2009, 0(8) |
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| Authors: | YU Juan JIANG Yuan-yuan WANG Xiao-dong HUANG Pei |
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| Affiliation: | YU Juan,JIANG Yuan-yuan,WANG Xiao-dong,HUANG Pei(State Key Laboratory of Materials-Oriented Chemical Engineering,Nanjing University of Technology,Nanjing 210009,China) |
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| Abstract: | The thermal stability and mechanical properties of sol film for polyimide precursor with different temperature treatment,and the effect of heating rate on degree of imidization was investigated.The results showed that the imidization degree of films decreased slightly with increase of heating rate,but the thermal stability and mechanical property obviously improved with increase of temperature,the tensile strength and elastic modulus increased to 107MPa and 2770MPa respectively. |
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| Keywords: | high temperature treatment polyimide film imidization thermal stability mechanical property |
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