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| 用固体13C-NMR表征丙烯酸酯类抗冲型改性剂的核壳结构 | |
| 引用本文： | 沈国栋,唐颂超,李远,张德震,罗会俊,潘铁英,史新梅. 用固体13C-NMR表征丙烯酸酯类抗冲型改性剂的核壳结构[J]. 合成橡胶工业, 2003, 26(2): 91-93 |
| 作者姓名： | 沈国栋 唐颂超 李远 张德震 罗会俊 潘铁英 史新梅 |
| 作者单位： | 1. 华东理工大学材料科学与工程学院,上海,200237 2. 华东理工大学石油化工学院,上海,201512 3. 华东理工大学分析测试中心,上海,200237 |
| 摘 要： | 采用固体^13C-NMR对具有核壳结构的丙烯酸酯类抗冲型改性剂（ACR）中的聚甲基丙烯酸甲酯（PMMA）进行了测试。结果表明，ACR中聚丙烯酸丁酯（PBA）核与PMMA壳具有良好的相容性并形成了中间相，由PMMA旋转坐标系中自旋晶格弛豫时间得出PMMA中间相占总PMMA的摩尔分数为23%。由自旋-自旋作用时间得出PMMA中间相与非中间相摩尔比为3/7。 |
| 关 键 词： | 固体^13C－NMR 表征 丙烯酸酯类树脂 抗冲型改性剂 核壳结构 核磁共振 |
| 文章编号： | 1000-1255(2003)02-0091-03 |
Characterization of core - shell structure of acrylic resin impact modifier by 13C- NMR |
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| Shen Guodong,Tang Songchao,Li Yuan,Zhang Dezhen,Luo Huijun,Pan Tieying,S hi Xinmei. Characterization of core - shell structure of acrylic resin impact modifier by 13C- NMR[J]. China Synthetic Rubber Industry, 2003, 26(2): 91-93 | |
| Authors: | Shen Guodong Tang Songchao Li Yuan Zhang Dezhen Luo Huijun Pan Tieying S hi Xinmei |
| Affiliation: | Shen Guodong1,Tang Songchao1,Li Yuan2,Zhang Dezhen1,Luo Huijun3,Pan Tieying3,S hi Xinmei3 |
| Abstract: | 13C-NMR analysis of poly(methyl methacrylate)(PMMA) in acrylic imp ac t modifier indicated that core of poly(butyl acrylate) and shell of PMMA showed good compatibility and a sort of interphase was developed.The result inferred by spin-lattic relaxation in the rotating frame suggested that the total mass fra ction of PMMA in the interphase was about 23%,and the ratio of PMMA in interpha se and non-interphase was 3/7 according to spin-spin interaction. |
| Keywords: | acrylic resin impact modifier core-shell structure nuclear magnetic resonance characterization |
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