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    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]. 功能高分子学报, 1992, 5(4): 287-291.
    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]. 功能高分子学报, 1992, 5(4): 287-291.
    shu
    Miscibility Studied iu Polymer Blends of Poly(vinyl acetate) and Poly(methyl methacrylate)[J]. Journal of Functional Polymers, 1992, 5(4): 287-291.
    Citation: Miscibility Studied iu Polymer Blends of Poly(vinyl acetate) and Poly(methyl methacrylate)[J]. Journal of Functional Polymers, 1992, 5(4): 287-291.
    shu

    聚甲基丙烯酸甲酯与聚醋酸乙烯酯共混的红外光谱研究

    Miscibility Studied iu Polymer Blends of Poly(vinyl acetate) and Poly(methyl methacrylate)

      摘要
    • 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。

       

      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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