Journal
CHINESE SCIENCE BULLETIN
Volume 55, Issue 36, Pages 4203-4207Publisher
SCIENCE PRESS
DOI: 10.1007/s11434-010-3184-6
Keywords
PIPD polymer; novel fiber; surface property; axial compressive properties; thermal stability
Categories
Funding
- National Natural Science Foundation of China [50673017]
- Program for Outstanding Academic Leaders of Shanghai
- Program of Introducing Talents of Discipline [111-2-04]
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Poly[2, 6-diimidazo (4,5-b:4',5'-e) pyridinylene-1,4(2,5-dihydroxy) phenylen] (PIPD) was synthesized and the obtained PIPD/PPA dope was directly spun into fibers via a dry-jet wet-spinning process for the first time. The obtained polymers were mainly characterized by ATR-FTIR and dynamic contact angle analysis. FTIR spectrum of the PIPD fibers indicates that the product was consistent with the target product. The contact angle measurements show that the wetting process of water on PIPD fibers is apparently faster than that on PBO fibers. The axial compression bending test indicates that PIPD fibers showed larger compressive strength compared with that of PBO fibers under the same axial compressive load. Meanwhile, the TGA test results indicate that the PIPD fibers have excellent thermal stability.
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