The viscosity-temperature and viscosity-shear sensitivity of polymer materials

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机构：
[1] Chen, Xiaoming
来源：
Chen, X. (chenxmyn@hotmail.com) | 1600年 / Sichuan University卷 / 29期
关键词：
Activation energy of viscous flow - Change of temperatures - Non-newtonian index - Polymer materials - Polymer structure - Rheological property - Shear sensitivity - Viscosity-temperature;
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摘要：
The shear viscosity of polymer materials is one of the most important functions of the polymer rheological properties. The viscosity-temperature and viscosity-shear sensitivity of polymer materials are intensities of viscosity change caused by the change of temperature and shear rate. The combined interpretation of viscosity-temperature and viscosity-shear sensitivity of polymer materials can help students understand the rheological properties of polymer materials and master the polymer structure-property relationship. The activation energy of viscous flow (Eη) and non-Newtonian index (n) are measures of the viscosity-temperature and viscosity-shear sensitivity of polymer materials, and are inextricably linked with the molecular chain structure of polymer.
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