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Improved compressive strength of poly(p-phenylene benzobisoxazole) copolymer fiber containing multi-functional comonomer

Improved compressive strength of poly(p-phenylene benzobisoxazole) copolymer fiber containing... Abstract Multi-functional comonomer from pentaerythritol (PE) and terephthaloyl chloride (TPC) was synthesized and used for polymerization of poly(p-phenylene benzobisoxazole) (PBO) copolymer. PBO copolymer fibers were prepared from PBO copolymers using a dry-jet wet spinning. The tensile strength of PBO copolymer fibers was higher than that of PBO, and showed 42 % increase at 0.5 mol% loading of comonomer. The tensile modulus of PBO copolymer fiber at 0.5 mol% loading showed 192 % increase compared to PBO fiber. The compressive strength of PBO copolymer fiber had values between 0.46 GPa and 0.6 GPa with the comonomer content. 64-114 % increase in compressive strength of PBO copolymer fibers was observed compared to PBO fiber. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fibers and Polymers Springer Journals

Improved compressive strength of poly(p-phenylene benzobisoxazole) copolymer fiber containing multi-functional comonomer

Fibers and Polymers , Volume 15 (5): 4 – May 1, 2014

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References (10)

Publisher
Springer Journals
Copyright
2014 The Korean Fiber Society and Springer Science+Business Media Dordrecht
ISSN
1229-9197
eISSN
1875-0052
DOI
10.1007/s12221-014-0895-3
Publisher site
See Article on Publisher Site

Abstract

Abstract Multi-functional comonomer from pentaerythritol (PE) and terephthaloyl chloride (TPC) was synthesized and used for polymerization of poly(p-phenylene benzobisoxazole) (PBO) copolymer. PBO copolymer fibers were prepared from PBO copolymers using a dry-jet wet spinning. The tensile strength of PBO copolymer fibers was higher than that of PBO, and showed 42 % increase at 0.5 mol% loading of comonomer. The tensile modulus of PBO copolymer fiber at 0.5 mol% loading showed 192 % increase compared to PBO fiber. The compressive strength of PBO copolymer fiber had values between 0.46 GPa and 0.6 GPa with the comonomer content. 64-114 % increase in compressive strength of PBO copolymer fibers was observed compared to PBO fiber.

Journal

Fibers and PolymersSpringer Journals

Published: May 1, 2014

Keywords: Polymer Sciences

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