Crystallization kinetics of isotactic polypropylene nucleated with organic dicarboxylic acid salts

2009 ◽  
Vol 112 (3) ◽  
pp. 1471-1480 ◽  
Author(s):  
Shicheng Zhao ◽  
Zhong Xin
Keyword(s):  
Dicarboxylic Acid ◽  
Crystallization Kinetics ◽  
Isotactic Polypropylene ◽  
Kinetics Of ◽  
Acid Salts

More Dominant Shear Flow Effect Assisted by Added Carbon Nanotubes on Crystallization Kinetics of Isotactic Polypropylene in Nanocomposites

2015 ◽  
Vol 7 (2) ◽  
pp. 1364-1375 ◽  
Author(s):  
Junyang Wang ◽  
Jingjing Yang ◽  
Liang Deng ◽  
Huagao Fang ◽  
Yaqiong Zhang ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Shear Flow ◽  
Crystallization Kinetics ◽  
Isotactic Polypropylene ◽  
Flow Effect ◽  
Kinetics Of

Isothermal crystallization kinetics of isotactic polypropylene with inorganic fullerene-like WS2 nanoparticles

2008 ◽  
Vol 472 (1-2) ◽  
pp. 11-16 ◽  
Author(s):  
Mohammed Naffakh ◽  
Zulima Martín ◽  
Carlos Marco ◽  
Marián A. Gómez ◽  
Ignacio Jiménez
Keyword(s):  
Crystallization Kinetics ◽  
Isotactic Polypropylene ◽  
Isothermal Crystallization ◽  
Isothermal Crystallization Kinetics ◽  
Inorganic Fullerene ◽  
Kinetics Of

Effect of Hyperbranched Polymer on Crystallization Kinetics of Isotactic Polypropylene

2012 ◽  
Vol 535-537 ◽  
pp. 1142-1145
Author(s):  
Guang Tian Liu ◽  
Jing Lei
Keyword(s):  
Activation Energy ◽  
Crystallization Kinetics ◽  
Isotactic Polypropylene ◽  
Isothermal Crystallization ◽  
Hyperbranched Polymer ◽  
Crystallization Rate ◽  
Crystallization Activation Energy ◽  
Scanning Calorimetry ◽  
Isothermal Crystallization Kinetics ◽  
Kinetics Of

In this paper, the isothermal crystallization kinetics of isotactic polypropylene (iPP) and iPP with 5% hyperbranched polymer (HBP) added had been investigated by differential scanning calorimetry (DSC). The results show that a small addition of HBP affects the crystallization behavior of iPP. During isothermal crystallization, the crystallization rate of the blend is higher than those of iPP remarkably. An increase in the Avrami exponent may be attributed to the fractal structure of hyperbranched polymer. The crystallization activation energy is estimated by the Friedman equation, the results show that the activation energy decreases remarkably by addition of HBP and the crystallization rate of the blend is more sensitive to temperature than that of iPP.

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