Synthesis and Characterization of Polyimides Derived from Novel 1,3-Bis(4-Aminophenoxy)Benzene

Abstract:

A novel aromatic ether diamine 1,3-bis(4-aminophenoxy)benzene (TPER) was synthesized. Four kinds of polyimides were prepared with obtained TPER, 4,4’-diaminodiphenyl(ODA), pyromellitic dianhydride (PMDA) and end capped with phthalic anhydride(PA). The imidization process was solution imidization followed by solid-phase thermal imidization. The results of DSC, ¹H-NMR and FTIR analysis showed that high purity TPER had been successfully synthesized. FTIR spectras of polyimides indicated the imidization process could reduce the final imidization temperature. The inherent viscosities([η]) showed molecular weight could be controlled via the introduction of flexible diamine and end capping agent. And all polyimides exhibited excellent thermal stability.

• Periodical: Advanced Materials Research (Volumes 199-200)
• Pages: 13-18
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.199-200.13
• Online since: February 2011
• Authors: Min Chao, Kai Chang Kou, Zhi Chao Wang, Guang Lei Wu, Dong Na Zhang, Jiao Qiang Zhang
• Keywords: Diamine, High Purity, Imidization, Polyimide, Thermal Stability

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