Annealing induced microstructure and fracture resistance changes in isotactic polypropylene/ethylene-octene copolymer blends with and without β-phase nucleating agent

2010 ◽  
Vol 48 (20) ◽  
pp. 2108-2120 ◽  
Author(s):  
Xiaoxi Li ◽  
Haiyan Wu ◽  
Liang Han ◽  
Ting Huang ◽  
Yong Wang ◽  
...  
Keyword(s):  
Isotactic Polypropylene ◽  
Fracture Resistance ◽  
Nucleating Agent ◽  
Copolymer Blends ◽  
Β Phase ◽  
Ethylene Octene Copolymer

The synergistic effects of β-nucleating agent and ethylene–octene copolymer on toughening isotactic polypropylene

2015 ◽  
Vol 45 ◽  
pp. 1-11 ◽  
Author(s):  
Feifei Wang ◽  
Hainan Du ◽  
Hong Liu ◽  
Yu Zhang ◽  
Xiongwei Zhang ◽  
...  
Keyword(s):  
Isotactic Polypropylene ◽  
Synergistic Effects ◽  
Nucleating Agent ◽  
Ethylene Octene Copolymer

Effect of Stretching on β-Phase Content of Isotactic Polypropylene Melt Containing β-Nucleating Agent

2011 ◽  
Vol 51 (5) ◽  
pp. 828-838 ◽  
Author(s):  
Songwei Li ◽  
Guoqiang Zheng ◽  
Zhenhua Jia ◽  
Zhenfang Zhang ◽  
Chuntai Liu ◽  
...  
Keyword(s):  
Isotactic Polypropylene ◽  
Nucleating Agent ◽  
Phase Content ◽  
Β Phase ◽  
Polypropylene Melt

scholarly journals Investigation on the Effects of MXene and β-Nucleating Agent on the Crystallization Behavior of Isotactic Polypropylene

Polymers ◽  
2021 ◽  
Vol 13 (17) ◽  
pp. 2931
Author(s):  
Wanxin Peng ◽  
Jian Kang ◽  
Xiuduo Song ◽  
Yue Zhang ◽  
Bo Hu ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Rare Earth ◽  
Isotactic Polypropylene ◽  
Crystallization Behavior ◽  
Nucleating Agent ◽  
Melting Behavior ◽  
Nucleating Agents ◽  
Structure And Morphology ◽  
Β Phase ◽  
Α Phase

The effects of MXene on the crystallization behavior of β-nucleated isotactic polypropylene (iPP) were comparatively studied. The commonly used MXene Ti3C2Tx was prepared by selective etching and its structure and morphology were studied in detail. Then MXene and a rare earth β-nucleating agent (NA) WBG-II were nucleated with iPP to prepare samples with different polymorphic compositions. The crystallization, melting behavior, and morphologies of neat iPP, iPP/MXene, iPP/WBG-II, and iPP/MXene/WBG-II were comparatively studied. The crystallization behavior analysis reveals that a competitive relationship exists between MXene and WBG-II when they were compounded as α and β nucleating agents. In the system, the β-nucleation efficiency (NE) of WBG-II is higher than α-NE of MXene. The β-phase has relatively low thermal stability and would transform to α-phase when cooled below a critical temperature.

Influence of Annealing on Microstructure and Mechanical Properties of Isotactic Polypropylene with β-Phase Nucleating Agent

2009 ◽  
Vol 42 (17) ◽  
pp. 6647-6655 ◽  
Author(s):  
Hongwei Bai ◽  
Yong Wang ◽  
Zhijie Zhang ◽  
Liang Han ◽  
Yanli Li ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Isotactic Polypropylene ◽  
Nucleating Agent ◽  
Β Phase ◽  
Microstructure And Mechanical Properties

Unusual Tuning of Mechanical Properties of Isotactic Polypropylene Using Counteraction of Shear Flow and β-Nucleating Agent on β-Form Nucleation

2009 ◽  
Vol 42 (12) ◽  
pp. 4343-4348 ◽  
Author(s):  
Yan-Hui Chen ◽  
Gan-Ji Zhong ◽  
Yan Wang ◽  
Zhong-Ming Li ◽  
Liangbin Li
Keyword(s):  
Mechanical Properties ◽  
Shear Flow ◽  
Isotactic Polypropylene ◽  
Nucleating Agent

scholarly journals Plastic Deformation of Oriented Lamellae. II. Hot Rolling of β-Phase Isotactic Polypropylene

1979 ◽  
Vol 11 (5) ◽  
pp. 383-390 ◽  
Author(s):  
Tsutomu Asano ◽  
Yasuna Fujiwara ◽  
Toshiho Yoshida
Keyword(s):  
Plastic Deformation ◽  
Isotactic Polypropylene ◽  
Hot Rolling ◽  
Β Phase
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