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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Miscibility Studies of Dextran/Poly(vinyl pyrrolidone) Blend in Solution
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Miscibility Studies of Dextran/Poly(vinyl pyrrolidone) Blend in Solution

机译：溶液中右旋糖酐/聚乙烯吡咯烷酮共混物的混溶性研究

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摘要

The miscibility of dextran (Dex)/poly(vinyl pyrrolidone) (PVP) in solution has been investigated in different percentages of the blend components by employing viscosity, density, refractive index and ultrasonic velocity methods at 30 and 50C, respectively. Ultrasonic velocity and adiabatic compressibility against blend compositions were plotted and found to be linear. The interaction parameters μ and α have been obtained by using the viscosity data. The results indicated that the Dex/PVP blends are miscible in the entire composition range and it was further confirmed by ultrasonic velocity, density, refractive index studies. In addition, the results revealed that the change in temperature has no significant effect on the miscibility of Dex/PVP polymer blend.
机译：通过分别在30和50°C下采用粘度，密度，折射率和超声速度方法研究了不同百分比的共混物组分中溶液中葡聚糖（Dex）/聚乙烯吡咯烷酮（PVP）的混溶性。绘制了相对于共混物组合物的超声速度和绝热压缩率，发现是线性的。相互作用参数μ和α已经通过使用粘度数据获得。结果表明，Dex / PVP共混物在整个组成范围内是可混溶的，并且通过超声波速度，密度，折射率研究进一步证实了这一点。另外，结果表明温度变化对Dex / PVP聚合物共混物的混溶性没有显着影响。

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