Affiliation:
1. Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Zhejiang, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
Abstract
A series of poly( N-arylene benzimidazole ether imide) copolymers PEIBIs were prepared from 1H,3′H-5,5′-bis-benzimidazole, bisphenol-A and 4,4′-bis(4-fluorophthalimido)diphenyl ether by nucleophilic displacement polymerization. The resulting copolymers PEIBI(10–90) demonstrated moderate to good solubility in polar aprotic solvents and high glass transition temperatures ( Tgs) of 228–336°C, good thermal stability with 10% weight loss temperatures in the range of 503–548°C. All copolymer films showed good mechanical properties with tensile strengths of 101–130 MPa, tensile moduli of 3.3–4.0 GPa, elongations at break of 5–7%, and also presented low water uptake (0.15–0.34%). The wide-angle X-ray diffraction results revealed the amorphous nature of copolymers. The copolymer PEIBI-80 showed good balance in solubility, thermal and mechanical properties.
Subject
Materials Chemistry,Organic Chemistry,Polymers and Plastics
Reference32 articles.
1. Buckley A, Stuet DE, Serad GA. Encyclopedia of Polymer Science and Technology. New York: John Wiley & Sons Inc, Vol. 11, 1988, p. 571.
2. History and Development of Polybenzimidazoles
3. Advanced polyimide materials: Syntheses, physical properties and applications
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