[1]王艳宾,庄昌龙,王标兵.含酰胺基团的可溶性透明聚酰亚胺的合成与性能[J].常州大学学报(自然科学版),2023,35(06):1-10.[doi:10.3969/j.issn.2095-0411.2023.06.001]
　WANG Yanbin,ZHUANG Changlong,WANG Biaobing.Synthesis and properties of soluble transparent polyimides containing amide group[J].Journal of Changzhou University(Natural Science Edition),2023,35(06):1-10.[doi:10.3969/j.issn.2095-0411.2023.06.001]
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含酰胺基团的可溶性透明聚酰亚胺的合成与性能()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第35卷
期数:
2023年06期
页码:
1-10
栏目:
材料科学与工程
出版日期:
2023-11-28

文章信息/Info

Title:
Synthesis and properties of soluble transparent polyimides containing amide group
文章编号:
2095-0411(2023)06-0001-10
作者:
王艳宾;  庄昌龙;  王标兵
(常州大学 材料科学与工程学院, 江苏 常州 213164)
Author(s):
WANG Yanbin;  ZHUANG Changlong;  WANG Biaobing
(School of Materials Science and Engineering, Changzhou University,Changzhou 213164, China)
关键词:
聚酰亚胺;  溶解性;  透光性;  氢键
Keywords:
polyimide;  solubility;  transparent;  hydrogen bond
分类号:
O 613.52
DOI:
10.3969/j.issn.2095-0411.2023.06.001
文献标志码:
A
摘要:
利用4,4'-氧双邻苯二甲酸酐(ODPA)与氨基丁酸(GABA)之间的酰亚胺化反应,合成了含有烷基链的酰亚胺二酸单体(ODPA-GABA),并将其分别与3种不同结构的二胺单体经Yamazaki磷酰化反应,制得一系列含有酰胺基团的聚酰亚胺(PI)树脂。采用多种测试手段研究了PI的结构与性能。结果表明,烷基链的引入有效改善了PI树脂的溶解性,使其不仅能溶于间甲酚及N-甲基吡咯烷酮(NMP)等强极性高沸点溶剂,在四氢呋喃和氯仿中也具有良好的溶解性。同时,该系列PI仍保持了良好的热稳定性,在氮气氛围下初始分解温度θi均在400 ℃以上,玻璃化转变温度θg介于186～208 ℃。经溶液刮涂制备的PI薄膜还具有良好的光学透明性,在500 nm处的光学透过率超过85%。同时,酰胺结构使分子链间形成了强氢键相互作用,使该系列PI薄膜具有优异的力学性能和热机械性能,有望用作有机光电器件基底材料。
Abstract:
Firstly, imide diacid monomer(ODPA-GABA)was synthesized by the imidization reaction between 4,4'-oxydiphthalic anhydride(ODPA)and aminobutyric acid(GABA). Then, a series of polyimides(PIs)with amide group were prepared by Yamazaki phosphorylation of ODPA-GABA with three different diamine monomers. The structure and properties of PIs were deeply researched. It is found that the introduction of alkyl chain effectively improved the solubility of PIs, making them soluble not only in strong polar high boiling point solvents such as m-cresol and N-methylpyrrolidone(NMP), but also in tetrahydrofuran and chloroform. The synthesized PIs possessed good thermal stability, their initial decomposition temperatures θi under nitrogen atmosphere were above 400 ℃, and the values of glass transition temperature(θg)were in the range from 186 ℃ to 208 ℃. In addition, all PIs could be easily processed into flexible films by the solution casting or blade coating due to the improved solubility. All the resulting PI films showed good transparency of over 85% at 500 nm. Meanwhile, due to the strong hydrogen bond interaction between the amide structure, PI films exhibited excellent mechanical and thermal mechanical properties, which is expected to be used as the substrate materials for organic optoelectronic devices.

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备注/Memo

备注/Memo:
收稿日期: 2023-05-31。
基金项目: 江苏省自然科学基金青年资助项目(BK20160280)。
作者简介: 王艳宾(1983—), 男, 河南漯河人, 博士, 副教授。E-mail: wangyanbin@cczu.edu.cn
更新日期/Last Update: 1900-01-01