Synthesis and Crystallization Studies of Thermo-plastic Polyster/Titania Nanocomposites

Harshita Agrawal; Shalini Agarwal; Yogendra K. Saraswat; Kamlendra Awasthi; Vibhav K. Saraswat

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Synthesis and Crystallization Studies of Thermo-plastic Polyster/Titania Nanocomposites

机译：热塑性聚酯/二氧化钛纳米复合材料的合成与结晶研究

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The present work reports the non-isothermal crystallization kinetics of PET-TiO_(2 )nanocomposites. The average particle size of TiO_(2) nanoparticles, prepared by chemical route, has been calculated 32 nm using Debay-Scherrer’s formula in XRD peaks. PET-TiO_(2) nanocomposites have been synthesized using solution casting method. The investigation of non-isothermal crystallization behavior has been conducted by means of Differential Scanning Calorimeter (DSC). The crystallization temperature shift to lower temperature for both PET pristine and PET-TiO_(2 )nanocomposites due to decrease in mobility of chain segments and heterogeneous nucleation. Also, the inclusion of TiO_(2) nanoparticles may accelerate nucleation rate in nanocomposites that causes the crystallization time and absolute crystallinity fraction. The thermal conductivity of inorganic filler TiO_(2) nanoparticles may affect the crystallization temperature.

机译：本工作报道了PET-TiO_（2）纳米复合材料的非等温结晶动力学。使用Debay-Scherrer公式在XRD峰中，通过化学路线制备的TiO_（2）纳米粒子的平均粒径已计算为32 nm。 PET-TiO_（2）纳米复合材料已使用溶液浇铸法合成。非等温结晶行为的研究已通过差示扫描量热仪（DSC）进行。 PET原始和PET-TiO_（2）纳米复合材料的结晶温度由于链节的迁移率降低和异质成核而转移到较低温度。同样，包含TiO_（2）纳米粒子可能会加速纳米复合材料中的成核速率，从而导致结晶时间和绝对结晶度分数。无机填料TiO_（2）纳米粒子的热导率可能会影响结晶温度。

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《Journal of Nuclear Physics, Material Sciences, Radiation and Applications》 |2014年第2期|共5页
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Harshita Agrawal; Shalini Agarwal; Yogendra K. Saraswat; Kamlendra Awasthi; Vibhav K. Saraswat;
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Synthesis and Crystallization Studies of Thermo-plastic Polyster/Titania Nanocomposites

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