Fabrication of microporous polymethacrylimide using γ-rays irradiation and characterization of its properties

TANG Jianjun; XU Yunshu; XIONG Liangping; GAO Xiaoling; XU Guangliang

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Fabrication of microporous polymethacrylimide using γ-rays irradiation and characterization of its properties

更新时间：2023-03-27

- Fabrication of microporous polymethacrylimide using γ-rays irradiation and characterization of its properties
- Journal of Radiation Research and Radiation Processing Vol. 29, Issue 6, Pages: 331-335(2011)
- 作者机构：
  
  1.西南科技大学材料科学与工程学院　绵阳　621010
  2.中国工程物理研究院核物理与化学所　绵阳　621900
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TANG Jianjun, XU Yunshu, XIONG Liangping, et al. Fabrication of microporous polymethacrylimide using γ-rays irradiation and characterization of its properties. [J]. Journal of Radiation Research and Radiation Processing 29(6):331-335(2011)
DOI：

TANG Jianjun, XU Yunshu, XIONG Liangping, et al. Fabrication of microporous polymethacrylimide using γ-rays irradiation and characterization of its properties. [J]. Journal of Radiation Research and Radiation Processing 29(6):331-335(2011) DOI：

摘要

以甲基丙烯酸（MAA）、丙烯腈（AN）、丙烯酰胺（AM）和甲基丙烯酸甲酯（MMA）为单体，用γ射线辐射引发聚合，形成MAA\AN\AM的共聚物和PMMA，然后使用热处理酰亚胺化制备了聚甲基丙烯酰亚胺（PMI），同时PMMA降解形成微孔结构。红外光谱分析表明：在选定温度条件下热处理过程中，相应基团酰亚胺化和PMMA降解成孔同时进行；TG-DSC分析结果表明，所得微孔材料的起始热分解温度达345℃；扫描电镜观察发现，所得产物为闭孔结构的聚甲基丙烯酰亚胺微孔材料，孔径约为100 µm。

Abstract

Methylacrylic acid (MAA), acrylonitrile (AN), acrylamide (AM) and methyl methacrylate (MMA) were polymerized by γ-rays, and AN/AM/MAA copolymer as well as polymethylmethacrylate (PMMA) were synthesized. Then microporous structure of polymethacrylimide (PMI) was obtained by the degradation of PMMA using heat-treatment. FIIR spectra showed that imide process and PMMA degradation were simultaneous at the selected temperature. TG-DSC analysis showed that the sample began to degrade at 345℃. And SEM photos indicated that microporous PMI with obturator foramen structure was obtained, whose aperture was about 100 µm.

关键词

聚甲基丙烯酰亚胺微孔材料γ射线辐射聚合

Keywords

PolymethacrylimideMicroporous materialγ-rayRadiation polymerization

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