Novel phenylethynyl-endcapped polyimide oligomers: Synthesis and characterization
文献类型：期刊论文
| 作者 | Chen, Jiansheng; Qu, Ximing; Liu, Jingang; Yang, Haixia; Fan, Lin; Yang, Shiyong |
| 刊名 | POLYMER ENGINEERING AND SCIENCE
 |
| 出版日期 | 2008-05-01 |
| 卷号 | 48期号:5页码:918-924 |
| ISSN号 | 0032-3888 |
| DOI | 10.1002/pen.21037 |
| 英文摘要 | A series of novel phenylethynyl-endcapped polyimide oligomers were prepared by polycondensation of an aromatic diamine mixture of 1,3-bis(4-aminophenoxy) benzene (1,3,4-APB) and 3,4'-oxydianiline (3,4'-ODA) with different aromatic dianhydrides including 3,3,4,4'biphenyltetracarboxylic dianhydride (BPDA), 4,4!-(hexafluoro isopropylidene)diphthalic anhydride (6FDA), 4, 4'-oxydiphthalic anhydride (ODPA), and 4,4'-[2,2,2trifluoro-1-(31,5'-bis-(trifluoro-methyl)phenyl)ethylidene]-diphthalic anhydride (9FDA) in the presence of 4-phenyl-ethynylaniline (PEA) as endcapping agent in aprotic solvent at elevated temperature. The chemical structures, thermal behavior, and melt rheological properties of the synthesized polyimide oligomers were investigated. Experimental results indicated that the fluorinated polyimide oligomers derived from 6FDA (PI-2) and 9FDA (PI-4) are amorphous solid resins and exhibited lower melt viscosities than those prepared from the unfluorinated aromatic dianhydrides such as BPDA and ODPA. The BPDA-based polyimide oligomers with a molar ratio of 1,3,4-APB/3,4'-ODA = 50:50 (PI-5) showed lower melt viscosity than those derived from a mixture of 1,3,4-APB and 3,4!-ODA with molar ratios of 75:25 and 100:0, respectively. In addition, the melt viscosity of the polyimide oligomers increased obviously with increasing of the polymer calculated molecular weights. |
| 语种 | 英语 |
| WOS记录号 | WOS:000255436300012 |
| 出版者 | JOHN WILEY & SONS INC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/64683]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Yang, Shiyong |
| 作者单位 | Chinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Jiansheng,Qu, Ximing,Liu, Jingang,et al. Novel phenylethynyl-endcapped polyimide oligomers: Synthesis and characterization[J]. POLYMER ENGINEERING AND SCIENCE,2008,48(5):918-924. |
| APA | Chen, Jiansheng,Qu, Ximing,Liu, Jingang,Yang, Haixia,Fan, Lin,&Yang, Shiyong.(2008).Novel phenylethynyl-endcapped polyimide oligomers: Synthesis and characterization.POLYMER ENGINEERING AND SCIENCE,48(5),918-924. |
| MLA | Chen, Jiansheng,et al."Novel phenylethynyl-endcapped polyimide oligomers: Synthesis and characterization".POLYMER ENGINEERING AND SCIENCE 48.5(2008):918-924. |
入库方式： OAI收割
来源：化学研究所
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