Research on gamma-ray irradiation-assisted synthesis of cross-linked polystyrene via bulk polymerization

被引：2
|
作者：
Xu, Feifan [1 ]
Wei, Wei [1 ,2 ]
Zhang, Chao [1 ]
Li, Huawei [1 ]
Jing, Peng [1 ]
Li, Xin [1 ]
Wei, Min [1 ]
Yu, Danrui [1 ]
Zhang, Yong [1 ]
Zhu, Quanyao [1 ]
机构：
[1] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
[2] Changji Univ, Dept Phys, Changji 831100, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2020年 / 324卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Gamma-ray irradiation; Cross-linking polymerization; Polystyrene; Divinyl benzene; MECHANICAL-PROPERTIES; SHRINKAGE STRESS; RADIATION; STYRENE; LINKING;
D O I：
10.1007/s10967-020-07108-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Controlling heat accumulation is one of the major challenges for block materials synthesizing via bulk polymerization. In the paper, cross-linked polystyrene was successfully fabricated by the combination of bulk polymerization and gamma-ray irradiation in the range of 8.5-34.0 kGy. The cross-linking network structures were characterized by Fourier transform infrared spectrometer and dynamic mechanical analysis. The thermal stability and the mechanical properties were analyzed as well. Results showed that the products synthesized at dose of 34.0 kGy with dose rate of 40 Gy/min achieved the best mechanical strengths. The thermal stability could be improved with the increase of dose ranging from 8.5 to 34.0 kGy.
引用
收藏
页码：697 / 703
页数：7
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