Structural modification of poly(methyl methacrylate) by proton irradiation

被引：64
作者：
Choi, HW [1 ]
Woo, HJ
Hong, W
Kim, JK
Lee, SK
Eum, CH
机构：
[1] Korea Inst Geol Min & Mat, Taejon 305350, South Korea
[2] Taejon Univ, Dept Chem, Taejon 300716, South Korea
来源：
APPLIED SURFACE SCIENCE | 2001年 / 169卷 / 169-170期
关键词：
PMMA; proton irradiation; IR; Raman; MWD; RBS; compaction;
D O I：
10.1016/S0169-4332(00)00699-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A general survey is presented on the structural modification of poly(methyl methacrylate) (PMMA) by proton implantation. The implanted PMMA films were characterized by FT-IR attenuated total reflection (FT-IR ATR), Raman, Rutherford backscattering spectroscopy (RBS), gel permeation chromatography (GPC) and surface profiling. The ion fluence of 350 keV protons ranged from 2 x 10(14) to 1 x 10(15) ions/cm(2). The IR and Raman spectra showed the reduction of peaks from the pendant group of PMMA. The change of absorption and composition was observed by W-VIS and RES, respectively. These results showed that the pendant group is readily decomposed and eliminated by proton irradiation. The change of molecular weight distribution was also measured by GPC and G-value of scission was estimated to be 0.67. (C) 2001 Elsevier Science B.V. All rights reserved.
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收藏
页码：433 / 437
页数：5
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