Crystal morphology and structure of the β-form of isotactic polypropylene under supercooled extrusion

2011 ◽  
Vol 120 (6) ◽  
pp. 3255-3264 ◽  
Author(s):  
Bin Zhang ◽  
Jingbo Chen ◽  
Xiaoli Zhang ◽  
Changyu Shen
Keyword(s):  
Isotactic Polypropylene ◽  
Crystal Morphology ◽  
Morphology And Structure

Influence of scale effect and injection speed on morphology and structure of the microinjection molded isotactic polypropylene parts

2020 ◽  
Vol 31 (7) ◽  
pp. 1463-1473 ◽  
Author(s):  
Lixia Wang ◽  
Lin Jiang ◽  
Shuang Li ◽  
Yang Zhang ◽  
Dongfang Wang ◽  
...  
Keyword(s):  
Scale Effect ◽  
Isotactic Polypropylene ◽  
Injection Speed ◽  
Morphology And Structure

A novel crystal morphology of isotactic polypropylene induced by pressure vibration field: α Banded spherulite

2015 ◽  
Vol 153 ◽  
pp. 66-69 ◽  
Author(s):  
Chao Xia ◽  
Hailan Du ◽  
Feifei Wang ◽  
Renxi La ◽  
Dashan Mi ◽  
...  
Keyword(s):  
Isotactic Polypropylene ◽  
Crystal Morphology ◽  
Banded Spherulite ◽  
Vibration Field

Crystal morphology and transcrystallization mechanism of isotactic polypropylene induced by fibres: interface nucleationversus bulk nucleation

2006 ◽  
Vol 55 (4) ◽  
pp. 441-448 ◽  
Author(s):  
Bing Na ◽  
Min Guo ◽  
Jinghui Yang ◽  
Hong Tan ◽  
Qin Zhang ◽  
...  
Keyword(s):  
Isotactic Polypropylene ◽  
Crystal Morphology ◽  
Bulk Nucleation

Study on Morphology and Structure of Wax Crystals in Waxy Crudes at Apex Temperature of Wax Precipitation

2013 ◽  
Vol 318 ◽  
pp. 293-296 ◽  
Author(s):  
Shi Ze Yi ◽  
Peng Gao
Keyword(s):  
Differential Scanning Calorimetry ◽  
Fractal Dimension ◽  
Crystal Morphology ◽  
Experimental Result ◽  
Strong Positive Correlation ◽  
Scanning Calorimetry ◽  
Wax Precipitation ◽  
Morphology And Structure ◽  
Wax Crystal ◽  
Wax Crystals

The apex temperature of wax precipitation was measured with fractal dimension characterizing the wax crystal morphology, and Differential Scanning Calorimetry (DSC), respectively. The experimental result revealed that the concentration of precipitated wax in virgin waxy crudes had the strong positive correlation with the fractal dimension of wax crystals. At the apex temperature, the wax crystals changed from tiny microscopic spots to clear and visible ones, with their morphology and structure becoming more intricate.

scholarly journals Effects of Chain Branching on Crystal Morphology and Structure of Polyethylene Single Crystal

2000 ◽  
Vol 32 (1) ◽  
pp. 33-36 ◽  
Author(s):  
Qiang Fu ◽  
Ya Peng ◽  
Qin Zhang ◽  
Eric T Hsieh ◽  
Chung C Tso
Keyword(s):  
Single Crystal ◽  
Crystal Morphology ◽  
Chain Branching ◽  
Morphology And Structure ◽  
Polyethylene Single Crystal
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