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首页> 外文期刊>Journal of Polymers and the Environment >Investigation on Miscibility of Sodium Alginate/Pullulan Blends
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Investigation on Miscibility of Sodium Alginate/Pullulan Blends

机译：海藻酸钠/普鲁兰多糖混溶性的研究

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摘要

Miscibility studies of Sodium alginate (NaAlg)/ Pullulan have been carried out in different percentage of blend components. The ultrasonic velocity, viscosity, density and refractive index were measured at 30 and 40 ℃. Further the blend films of NaAlg and Pullulan were prepared by solution casting method and characterized by differential scanning calorimetric (DSC), fourier transition infrared spectroscopic (FTIR), and scanning electron microscopic (SEM) methods. Using the viscosity data, interaction parameters were computed to determine the miscibility. The data suggest that the blend is miscible in the entire composition range. The change in temperature had no significant effect on the miscibility of NaAlg/ Pullulan blends. The miscibility is confirmed by SEM, DSC, ultrasonic velocity, density, and refractive index methods. The specific interactions of hydrogen bonding type of the blends were investigated by FTIR.
机译：海藻酸钠（NaAlg）/支链淀粉的混溶性研究已在不同百分比的共混物中进行。在30和40℃下测量超声速度，粘度，密度和折射率。通过溶液流延法制备NaAlg和支链淀粉的共混膜，并通过差示扫描量热法（DSC），傅立叶变换红外光谱法（FTIR）和扫描电子显微镜法（SEM）表征。使用粘度数据，计算相互作用参数以确定混溶性。数据表明该共混物在整个组成范围内是可混溶的。温度的变化对NaAlg /支链淀粉混合物的混溶性没有显着影响。通过SEM，DSC，超声速度，密度和折射率方法确认了混溶性。通过FTIR研究了共混物的氢键类型的特定相互作用。

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