Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

Citation: Ping Yu, Yan Wang, Jun-rong Yu, Jing Zhu, Zu-ming Hu. Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline[J]. Chinese Journal of Polymer Science, 2016, 34(1): 122-134. doi: 10.1007/s10118-016-1733-4 shu

Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

1.
1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
2.
2. College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
3.
4.
College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

通讯作者: Zu-ming Hu,

摘要: With the goal of improving processability of imide oligomers and achieving high toughness of thermosetting polyimides, a series of 4-phenylethynylphthalic anhydride (PEPA)-terminated imide oligomers prepared by the reaction of 2,3,3',4'-diphenyl ether tetracarboxylic acid dianhydride (a-ODPA) and 3,4'-oxydianiline (3,4'-ODA) with different molecular weights (degree of polymerization: n=1-9) were formed. The resultant oligomers with different molecular weights were characterized for their chemical architecture, cure behavior, thermal properties, solubility in organic solvents and rheological characteristics. Besides, the thermal properties and tensile test of cured polyimide films were also evaluated. The imide oligomer (degree of polymerization: n=1) has some somewhat crystalline phase, and imide oligomers (degree of polymerization: n=2-9) showed excellent solubility (40 wt%) in N-methyl-2-pyrrolidone (NMP) and N,N-dimethylacetamide (DMAc) at room temperature. Furthermore, the rheological properties of imide oligomers showed very low melt viscosity and wider processing window. The cured films exhibited good thermal properties with the glass transition temperatures of 282-373℃ and 5 wt% thermal decomposition temperatures higher than 551℃ in nitrogen atmosphere. The elongation at break of the prepared films was found to be high (almost 9.3%).

关键词:

English

Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

1.
1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
2.
2. College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
3.
4.
College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

Corresponding author: Zu-ming Hu,

Received Date: 27 July 2015
Revised Date: 10 September 2015
Available Online: 05 January 2016

Abstract: With the goal of improving processability of imide oligomers and achieving high toughness of thermosetting polyimides, a series of 4-phenylethynylphthalic anhydride (PEPA)-terminated imide oligomers prepared by the reaction of 2,3,3',4'-diphenyl ether tetracarboxylic acid dianhydride (a-ODPA) and 3,4'-oxydianiline (3,4'-ODA) with different molecular weights (degree of polymerization: n=1-9) were formed. The resultant oligomers with different molecular weights were characterized for their chemical architecture, cure behavior, thermal properties, solubility in organic solvents and rheological characteristics. Besides, the thermal properties and tensile test of cured polyimide films were also evaluated. The imide oligomer (degree of polymerization: n=1) has some somewhat crystalline phase, and imide oligomers (degree of polymerization: n=2-9) showed excellent solubility (40 wt%) in N-methyl-2-pyrrolidone (NMP) and N,N-dimethylacetamide (DMAc) at room temperature. Furthermore, the rheological properties of imide oligomers showed very low melt viscosity and wider processing window. The cured films exhibited good thermal properties with the glass transition temperatures of 282-373℃ and 5 wt% thermal decomposition temperatures higher than 551℃ in nitrogen atmosphere. The elongation at break of the prepared films was found to be high (almost 9.3%).

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

通讯作者: Zu-ming Hu,

English

Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

Corresponding author: Zu-ming Hu,

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

通讯作者: Zu-ming Hu,

English

Synthesis and Characterization of Phenylethynyl-terminated Polyimide Oligomers Derived from 2,3,3',4'-Diphenyl Ether Tetracarboxylic Acid Dianhydride and 3,4'-Oxydianiline

Corresponding author: Zu-ming Hu,

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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