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A platform for research: civil engineering, architecture and urbanism
PIPD, a new high‐modulus and high‐strength polymer fibre with exceptional fire protection properties
10.1002/fam.793.abs
The development of the new high‐modulus and high‐strength fibre M5, made of poly{2,6‐diimidazo[4,5‐b:4′,5′‐e]‐pyridinylene‐1,4(2,5‐dihydroxy)phenylene} or PIPD, has resulted in an organic polymer fibre with exceptional fire protection properties when compared with PBO, Twaron, Kevlar and Nomex fibres. The PIPD as‐spun fibre with a modulus of 150 GPa and a tensile strength of 2.5 GPa is a crystal hydrate containing 21 wt% water. Cone calorimeter measurements yielded a fire performance index (FPI) 20 times higher than Nomex, with extremely low value for the specific extinction area (SEA) characterizing the smoke formation. The PIPD‐HT fibre (recrystallized in an after treatment into the anhydrous crystalline structure) with a modulus >300 GPa and a strength >5 GPa has a FPI value similar to PBO but shows much less smoke formation than this fibre. Copyright © 2002 John Wiley & Sons, Ltd.
PIPD, a new high‐modulus and high‐strength polymer fibre with exceptional fire protection properties
10.1002/fam.793.abs
The development of the new high‐modulus and high‐strength fibre M5, made of poly{2,6‐diimidazo[4,5‐b:4′,5′‐e]‐pyridinylene‐1,4(2,5‐dihydroxy)phenylene} or PIPD, has resulted in an organic polymer fibre with exceptional fire protection properties when compared with PBO, Twaron, Kevlar and Nomex fibres. The PIPD as‐spun fibre with a modulus of 150 GPa and a tensile strength of 2.5 GPa is a crystal hydrate containing 21 wt% water. Cone calorimeter measurements yielded a fire performance index (FPI) 20 times higher than Nomex, with extremely low value for the specific extinction area (SEA) characterizing the smoke formation. The PIPD‐HT fibre (recrystallized in an after treatment into the anhydrous crystalline structure) with a modulus >300 GPa and a strength >5 GPa has a FPI value similar to PBO but shows much less smoke formation than this fibre. Copyright © 2002 John Wiley & Sons, Ltd.
PIPD, a new high‐modulus and high‐strength polymer fibre with exceptional fire protection properties
Northolt, M.G. (author) / Sikkema, D.J. (author) / Zegers, H.C. (author) / Klop, E.A. (author)
Fire and Materials ; 26 ; 169-172
2002-07-01
4 pages
Article (Journal)
Electronic Resource
English
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