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LI Jianxi1; LI Linfan2; YANG Xingkun1; LI Jihao2; YU Ming2; DENG Bo2; LI Jingye2

doi:10.11889/j.1000-3436.2012.rrj.30.120304

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更新时间：2021-12-01

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- Journal of Radiation Research and Radiation Processing Vol. 30, Issue 3, Pages: 148-152(2012)
- 作者机构：
  
  1. 1（信阳师范学院化学化工学院）,信阳,464000
  2. 2（中国科学院上海应用物理研究所）,上海,201800
- 作者简介：
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- DOI：10.11889/j.1000-3436.2012.rrj.30.120304
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LI Jianxi1, LI Linfan2, YANG Xingkun1, et al. [J]. Journal of Radiation Research and Radiation Processing 30(3):148-152(2012)
DOI：

LI Jianxi1, LI Linfan2, YANG Xingkun1, et al. [J]. Journal of Radiation Research and Radiation Processing 30(3):148-152(2012) DOI： 10.11889/j.1000-3436.2012.rrj.30.120304.

摘要

以60Co γ射线为辐射源，对SBS粉体在空气中进行预辐照，然后将一定量粉体置于丙烯酸水溶液体系中进行接枝反应。研究了反应时间、反应温度、单体浓度和吸收剂量对接枝率的影响。傅里叶变换红外光谱（FTIR）分析结果证明了羧酸基团的成功引入，并对接枝后粉体的热重分析，结晶度和表面形貌进行了研究。

Abstract

In this paper acrylic acid was grafted onto SBS powder using pre-irradiation method to produce SBS-g-PAA. The effects of monomer concentration, absorbed dose, reaction time and temperature on degree of grafting were discussed in detail. The FTIR spectra of SBS-g-PAA proved that the polyacrylic acid ha been grafted onto SBS powder successfully. Moreover, the thermogravimetry, X-rays diffraction and the scanning electron microscope were also investigated. Compared with pristine SBS powder, the SBS-g-PAA powder analysis indicated that the thermal degradation exhibited a two-step degradation pattern meanwhile the crystallinity declined and the surface became smoother because of the introduction of polyacrylic acid.Cited

关键词

SBS（苯乙烯-丁二烯-苯乙烯三嵌段共聚物）预辐射接枝粉体丙烯酸

Keywords

SBS(Styrene-butadiene-styrene triblock copolymer)Pre-irradiation graftingPowderAcrylic acid

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Shool of Nuclear and Engineering, Shanghai Jiao Tong University

Shanghai Applied Radiation Institute, Shanghai University

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DOI：10.11889/j.1000-3436.2012.rrj.30.120304

摘要

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关键词

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