Synergy modification of the microstructure and the property of PBO fiber by -ray radiation

被引：8

作者：

Zhang, Chunhua ^{[1
]}

Zhang, Chenyang ^{[2
]}

Zhang, Qi ^{[1
]}

Jiang, Dawei ^{[3
]}

Yu, Fubin ^{[4
]}

Liang, Yan ^{[5
]}

机构：

[1] Harbin Inst Technol, Sch Chem & Chem Engn, Harbin, Heilongjiang, Peoples R China

[2] Zhongxing Telecommun Equipment Corp, Supplier Certificat Dept, Purchase Ctr, Supply Chain, Shenzhen, Peoples R China

[3] Northeast Forestry Univ, Coll Sci, Harbin, Heilongjiang, Peoples R China

[4] Harbin Topfrp Composite Co Ltd, Dept Res & Dev, Harbin, Heilongjiang, Peoples R China

[5] Heilongjiang Inst Technol, Coll Mat & Chem Engn, Harbin, Heilongjiang, Peoples R China

来源：

POLYMER ENGINEERING AND SCIENCE | 2018年 / 58卷 / 03期

基金：

中国国家自然科学基金;

关键词：

CROSS-LINKING; DEFORMATION; IRRADIATION; POLYMERS;

D O I：

10.1002/pen.24564

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The effects of -ray radiation on PBO fibers and its composite materials have been investigated, the results showed that the microstructure and the performance of radiated PBO fibers have been improved with 30-120 kGy radiation dose, crosslinking reactions came from PBO polymer molecule chains and micro-fibrils. As a result, the molecular weight the thermal stability were increased, the tendency of micro-fibrils to split-off also decreased, the hook force of radiated PBO fibers increased by 14.0% without tensile strength loss, and the nano-compression modulus and the flexure strength of radiated PBO fiber composites also increased by 21.0% and 22.7%, respectively. The work indicated that -ray radiation could synchronously strengthen the microstructure and improve the properties of PBO fibers. POLYM. ENG. SCI., 58:272-279, 2018. (c) 2017 Society of Plastics Engineers

引用

页码：272 / 279

页数：8

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