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《Science & Technology Review》 2007-24
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Effect of Nucleation Agent on Crystallization Behavior of Poly(trimethylene terephthalate)

XU Yong1, JIA Hongbing1, ZHU Genping2, YU Chengliang1, DU Yanbo1, YE Shengrong3 1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China 2. College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310036, China 3. Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China  
The crystallization behavior of poly(trimethylene terephthalate) (PTT) containing various nucleation agents was studied by means of Differential Scanning Calorimetry (DSC), Depolarized Light Intensity(DLI) technique and Polarized Light Microscopy (PLM).The results show that the onset temperature of melting crystallization, isothermal crystallization rate and crystallization morphology are affected by the incorporation of nucleation agent. The nucleation agents can promote the crystallization of PTT and the talcum powder is the most efficient while the sodium benzoate the least efficient among the nucleation agents investigated.
【CateGory Index】: TQ323.4
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