Citation: Yu SHAO, Yan Feng LI, Xiao Long WANG, Shu Jiang ZHANG, Xin ZHAO, Tao MA. Synthesis of a New Asymmetrical Ether Diamine with Aromatic Structure and Related Polyimide[J]. Chinese Chemical Letters, ;2006, 17(5): 635-636. shu

Synthesis of a New Asymmetrical Ether Diamine with Aromatic Structure and Related Polyimide

State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000

Received Date: 11 November 2005

A new aromatic asymmetrical ether diamine, 1, 4-bis(3', 4"-diaminophenoxy)benzene 3 was synthesized in three steps, using hydroquinone as starting material. A new aromatic polyimide containing asymmetrical diaryl ether segments was prepared from the resulting diamine with 4, 4'-oxydiphthalic anhydride (ODPA) via a conventional two-step thermal or chemical imidization method. The resulting polyimide exhibits high thermal resistance, excellent solubility, film-forming capability, high mechanical strength and modulus.
- Polyimide,
- asymmetrical ether diamine,
- aromatic polyimide
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