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- Title
Synergistic Effects of Polybenzimidazole and Aramide on Enhancing Flame‐Retardancy and Solubility.
- Authors
Nag, Aniruddha; Ali, Mohammed Asif; Zhou, Jiabei; Ogawa, Makoto; Kaneko, Tatsuo
- Abstract
Aromatic and functional polymers with processibility derived from biobased starting materials are prerequisite considering sustainable society. Poly(2,5‐benzimidazole)s are rigid‐rod polymers to show ultrahigh thermal stability such as flame retardance, while usually suffer from poor solubility. Here, poly(benzimidazole‐co‐amide)s are synthesized from two biobased monomers, 3,4‐diaminobenzoic acid and a semirigid comonomer, 4‐aminohydrocinnamic acid. The copolymers with an amide composition of 80 mol% and higher are soluble in widely used polar solvents to fabricate the films keeping high flame retardance, which is comparable with popular high‐performance polymers such as aromatic polyimides, polyetheretherketone, polyphenylene sulfide, etc.
- Subjects
POLYPHENYLENE sulfide; SOLUBILITY; FLAME stability; POLAR solvents; POLYETHER ether ketone; POLYIMIDES
- Publication
Macromolecular Materials & Engineering, 2021, Vol 306, Issue 11, p1
- ISSN
1438-7492
- Publication type
Article
- DOI
10.1002/mame.202100459