国家自然科学基金(50973073)

作品数:4被引量:5H指数:1
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相关作者:范聪高杰刘向阳更多>>
相关机构:四川大学更多>>
相关期刊:《塑料工业》《Chemical Research in Chinese Universities》《Chinese Journal of Polymer Science》更多>>
相关主题:POLYIMIDEHYDROGEN_BONDINGBENZIMIDAZOLECATALYSISIMIDIZATION更多>>
相关领域:化学工程理学一般工业技术电气工程更多>>
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Catalysis and Inhibition of Benzimidazole Units on Thermal Imidization of Poly(amic acid) via Hydrogen Bonding Interactions被引量:4
《Chinese Journal of Polymer Science》2015年第4期621-632,共12页Hui-na Wang Ming-xi Yang Long-bo Luo Jie-yang Huang Ke Li Xu Wang Yan Feng 刘向阳 
financially supported by the National Natural Science Foundation of China(No.50973073)
The effect of benzimidazole units on thermal imidizaiton was studied when they were introduced into the main chain of poly(amic acid) (PAA). The thermal imidization process of PAA-PABZ synthesized by 3,3',4,4'- ...
关键词:BENZIMIDAZOLE Hydrogen bonding CATALYSIS INHIBITION Polyimide. 
不同氟化时间对氟弹性体表面结构及性能的影响研究
《塑料工业》2013年第8期130-133,共4页高杰 范聪 刘向阳 
国家自然科学基金项目(50973073)
采用F2/N2混合气体对F246型氟弹性体进行表面直接氟化改性。X-射线光电子能谱(XPS)测试结果表明,直接氟化后,在氟弹性体表面以共价键的形式引入了大量的—CF3、—CF2和CF等含氟基团,随着氟化时间的增加,氟弹性体表面的含氟基团先增加,...
关键词:直接氟化 氟弹性体 表面结构 摩擦因数 
Influence of Steric Hindrance Between Hydrogen Atoms of Linkage Groups and Adjacent Phenyls on Properties of Polyimide被引量:1
《Chemical Research in Chinese Universities》2012年第5期926-930,共5页PANG Yu-wei LUO Long-bo CHEN Yi ZHANG Peng WANG Xu PENG Chao-rong LIU Xiang-yang 
Supported by the National Natural Science Foundation of China(No.50973073);the Science and Technology Projects of Chengdu City, China(No.10GGYB114GX-182)
A diamine monomer 4,4′-methylenedianiline(MDA) was introduced to modify the polyimide of pyromellitic dianhydride(PMDA) and 4,4′-oxydianiline(ODA) by polycondensation. A series of polyamic acids was synthesize...
关键词:POLYIMIDE MODIFICATION Glass transition temperature Steric hindrance 
Synthesis and Properties of a Novel Polyimide with Side Chain Containing Biphenyl Unit
《Chemical Research in Chinese Universities》2012年第2期334-339,共6页WANG Xu CHANG Tong-xin ZHANG Peng CHEN Yi LIU Xiang-yang 
Supported by the National Natural Science Foundation of China(Nos.50773044,50973073)
A novel biphenyl side-chained diamine with alkyloxy spacer and alkyloxy tail,4'-butoxy-4-(3,5-diaminobenzoyloxy)hexyloxybiphenyl(C6BBC4),was synthesized and characterized by FTIR and 1 H NMR.A series of polyimide...
关键词:POLYIMIDE Alignment film Liquid crystal Biphenyl side chain 
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