Radiation grafting of styrene into PVDF powder

JI Yuling; LI Linfan; YU Yang; XIE Leidong; DENG Bo; LI Jingye

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Radiation grafting of styrene into PVDF powder

更新时间：2023-03-30

- Radiation grafting of styrene into PVDF powder
- Journal of Radiation Research and Radiation Processing Vol. 27, Issue 2, Pages: 79-83(2009)
- 作者机构：
  
  1.中国科学院上海应用物理研究所　上海　201800
  2.中国科学院研究生院　北京　100049
- 作者简介：
- 基金信息：
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JI Yuling, LI Linfan, YU Yang, et al. Radiation grafting of styrene into PVDF powder. [J]. Journal of Radiation Research and Radiation Processing 27(2):79-83(2009)
DOI：

JI Yuling, LI Linfan, YU Yang, et al. Radiation grafting of styrene into PVDF powder. [J]. Journal of Radiation Research and Radiation Processing 27(2):79-83(2009) DOI：

摘要

以聚偏氟乙烯（PVDF）粉体为基材，采用预辐射接枝方法，在PVDF粉体上接枝聚合苯乙烯单体。并通过红外光谱、元素分析、差示扫描量热分析、热重分析对接枝后粉体进行了表征。红外光谱证明苯乙烯被成功接枝到PVDF粉体上，DSC图谱反映出结晶度随接枝率的增大而减小，接枝苯乙烯后粉体的热重图与接枝前的粉体比较也有明显的变化，进一步佐证了苯乙烯的成功接枝。

Abstract

Polyvinylidene fluoride PVDF powder was chosen as the base material, and grafted with styrene monomer under pre-irradiation graft polymerization method. The styrene grafted PVDF (PVDF-g-PS) powder was characterized by FTIR spectroscopy, DSC, TGA and element analysis. The FTIR spectra demonstrate that the polystyrene is successfully grafted into PVDF powder. The crystallinity of grafted PVDF powder decreases with the increasing in the degree of grafting according to the DSC curves. The TGA curves of PVDF-g-PS change remarkably with respect to the original PVDF. It further proves the polystyrene is successfully grafted into PVDF powder.

关键词

聚偏氟乙烯粉体苯乙烯辐射接枝

Keywords

PVDF powderStyreneRadiation grafting

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