Abstract
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.
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The work was financially supported by the National Natural Science Foundation of China (51472189); supported by “the Fundamental Research Funds for the Central Universities” (185201003); the Start-up Funding of Wuhan University of Technology (Grant No. 40120490).
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Xu, F., Wei, W., Zhang, C. et al. Research on gamma-ray irradiation-assisted synthesis of cross-linked polystyrene via bulk polymerization. J Radioanal Nucl Chem 324, 697–703 (2020). https://doi.org/10.1007/s10967-020-07108-6
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DOI: https://doi.org/10.1007/s10967-020-07108-6