| 聚甲基丙烯酸甲酯与聚醋酸乙烯酯共混的红外光谱研究 |
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| 引用本文： | 宋默,龙福金.聚甲基丙烯酸甲酯与聚醋酸乙烯酯共混的红外光谱研究[J].医学教育探索,1992(4):287-291. |
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| 作者姓名： | 宋默 龙福金 |
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| 作者单位： | 中国科学院广州化学研究所，中国科学院广州化学研究所，中国科学院广州化学研究所，中国科学院广州化学研究所 广州 510650，广州 510650，广州 510650，广州 510650 |
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| 摘 要： | 用红外光谱(FTIR)研究了聚甲基丙烯酸甲酯(PMMA)与聚醋酸乙烯酯(PVAc)共混体系相容性,在160℃以上共混体系发生相分离;分相体系与非分相体系的FTIR谱明显不同;共混体系的FTIR谱不能从两统组分红外光谱简单加和得到;结果表明大分子构象发生了变化,PMMA/PVAc体系相容可能是大分子构象熵变所致。
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| 关 键 词： | 共混 相容性 红外光谱 PMMA PVAC |
Miscibility Studied iu Polymer Blends of Poly(vinyl acetate) and Poly(methyl methacrylate) |
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| Song Mo,Long Fujin,Huang Yuhui,Cong Guangmin Guangzhou Institute of Chemistry,Acdemia Sinic,Guangzhou.Miscibility Studied iu Polymer Blends of Poly(vinyl acetate) and Poly(methyl methacrylate)[J].Researches in Medical Education,1992(4):287-291. |
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| Authors: | Song Mo Long Fujin Huang Yuhui Cong Guangmin Guangzhou Institute of Chemistry Acdemia Sinic Guangzhou |
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| Abstract: | Miscibility of poly(vinyl acetate) (PVAc)/poly(methyl mcthacrylate)(PMMA)has been studied by using FTIR. PMMA/PVAc reveal an lower critical solution tem-perature character. FTIR spactra of blend showed there are differences in spectra be-tween miscible bl |
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| Keywords: | blend FTIR poly(methyl methacrylate) poly(vinyl acetate) |
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