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
收藏
页码：895 / 898
页数：4
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