Improved Compressive Strength of Poly(p-phenylene benzobisoxazole) Copolymer Fiber Containing Multi-functional Comonomer

被引：2

作者：

Jang, G. H. ^{[1
]}

Min, B. G. ^{[2
]}

Jeong, Y. G. ^{[3
]}

Yoon, K. H. ^{[1
]}

机构：

[1] Kumoh Natl Inst Technol, Dept Polymer Sci & Engn, Gumi 730701, South Korea

[2] Kumoh Natl Inst Technol, Dept Mat Design Engn, Gumi 730701, South Korea

[3] Chungnam Natl Univ, Dept Adv Organ Mat & Text Syst Engn, Taejon 305764, South Korea

来源：

FIBERS AND POLYMERS | 2014年 / 15卷 / 05期

关键词：

PBO; Fiber; Mechanical properties; Compression testing; COMPOSITES;

D O I：

10.1007/s12221-014-0895-3

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

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 thy-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.

引用

页码：895 / 898

页数：4

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