Synthesis and Properties of Oxydianiline Diketone Anhydride Polyimides

被引：0

作者：

Liu Y. ^{[1
]}

Zhou L. ^{[1
]}

Hong H. ^{[1
]}

Wang L. ^{[1
]}

Song C. ^{[1
]}

机构：

[1] College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang

来源：

Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2018年 / 34卷 / 11期

关键词：

4,4'-oxydianiline; 4,4'-terephthaloyldiphthalic anhydrides; Polyimide;

D O I：

10.16865/j.cnki.1000-7555.2018.11.005

中图分类号：

学科分类号：

摘要：

Through traditional two-step method in DMAc, two polyimides were synthesized by introducing isomeric 4,4'-oxydianiline (4,4'-ODA) or 3,4'-oxydianiline(3,4-ODA) to 4,4'-terephthaloyldiphthalic anhydride. The properties of the polyimides were characterized by FT-IR, WAXD, differential scanning calorimetry(DSC), thermogravimetric analysis(TGA), tensile test and solubility tests. The results show that the polyimides have good film-forming performance. The polyimidefilm (4,4'-ODA) has the tensile strengths of 262 MPa. The polyimide film(3,4-ODA) has the tensile strengths of 149 MPa. The glass transition temperature (T g ) of the polyimides is 297℃ and 261℃, repcectively. The polyimides have good thermal stability with the decomposition temperature over 520℃ and mechanical properties. © 2018, Editorial Board of Polymer Materials Science & Engineering. All right reserved.

引用

页码：27 / 31and36

页数：3109

共 9 条

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