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    李延科, 武青, 凌爱莲, 桑鸿勋, 刘春莉. 水性聚氨酯乳液性能影响因素的研究[J]. 北京工业大学学报, 2000, 26(4): 55-57.
    引用本文: 李延科, 武青, 凌爱莲, 桑鸿勋, 刘春莉. 水性聚氨酯乳液性能影响因素的研究[J]. 北京工业大学学报, 2000, 26(4): 55-57.
    shu
    Li Yanke, Wu Qing, Ling Ailian, Sang Hongxun, Liu Chunli. Effects on Properties of Aqueous Polyurethane Emulsion[J]. Journal of Beijing University of Technology, 2000, 26(4): 55-57.
    Citation: Li Yanke, Wu Qing, Ling Ailian, Sang Hongxun, Liu Chunli. Effects on Properties of Aqueous Polyurethane Emulsion[J]. Journal of Beijing University of Technology, 2000, 26(4): 55-57.
    shu

    水性聚氨酯乳液性能影响因素的研究

    Effects on Properties of Aqueous Polyurethane Emulsion

      摘要
    • 摘要: 由聚醚，甲苯二异氰酸酯（TDI），二羟甲基丙酸（DMPA）等为原料制备水性聚氨酯乳液胶粘剂.研究了DMPA用量的改变及在DMPA用量不变的情况下，R值（即n（NCO）/n（OH）值）的改变对乳液性能的影响.结果表明，R值的改变对胶膜的吸水率、力学性能、热稳定性等均产生重要的影响.

       

      Abstract: Aqueous polyurethane emulsion adhesive was prepared from polyether toluene diisocynate (TDI) and dimethylol propionic acid(DMPA). The effects of DMPA dosage and the variation of R value(n (NCO)/n (OH)) at a fixed DMPA dosage on the properties of emulsion were determined. Results show that the variation of DMPA dosage and R value has great effects on hygroscopicity, mechanic and thermal properties of emulsion-cast film.

       

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