Application of Successive Self-nucleation and Annealing to Study the Stereo-defects Distribution of Biaxially Oriented Polypropylene

He-fei Chang; Hua-yi Li; Tao Zheng; Qian Zhou; Liao-yun Zhang; You-liang Hu

doi:10.1007/s10118-014-1412-2

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Application of Successive Self-nucleation and Annealing to Study the Stereo-defects Distribution of Biaxially Oriented Polypropylene

Updated：2021-06-21

- Application of Successive Self-nucleation and Annealing to Study the Stereo-defects Distribution of Biaxially Oriented Polypropylene
- Chinese Journal of Polymer Science Vol. 32, Issue 3, Pages: 362-370(2014)
- Affiliations：
  
  a.College of Chemistry and Chemical Engineering,University of Chinese Academy of Sciences, Beijing 100049, China
  b.Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  c.Performance Materials R&D Center, National Institute of Clean-and-Low-Carbon Energy, Beijing 102211,China
- Author bio：
  
  Hua-yi Li (李化毅), E-mail: lihy@iccas.ac.cn
  **Liao-yun Zhang (张辽云), E-mail: zhangly@ucas.ac.cn
- Funds：
- DOI：10.1007/s10118-014-1412-2
  CLC：
- Received：31 May 2013，
  
  Revised：2013-08-22，
  
  Accepted：09 October 2013，
  
  Published：2014-03
- Accepted：
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He-fei Chang, Hua-yi Li, Tao Zheng, et al. Application of Successive Self-nucleation and Annealing to Study the Stereo-defects Distribution of Biaxially Oriented Polypropylene[J]. Chinese Journal of Polymer Science, 2014, 32(3): 362-370.
DOI：

He-fei Chang, Hua-yi Li, Tao Zheng, et al. Application of Successive Self-nucleation and Annealing to Study the Stereo-defects Distribution of Biaxially Oriented Polypropylene[J]. Chinese Journal of Polymer Science, 2014, 32(3): 362-370. DOI： 10.1007/s10118-014-1412-2.

摘要

Abstract

The stereo-defects distribution of polypropylene of the two industry biaxially oriented polypropylene (BOPP) samples T28FE and F28SO with different processing properties was studied through successive self-nucleation and annealing (SSA) technique. It was found that there were more medium isotactic components in sample F28SO

and the isotactic sequence length of polypropylene of sample F28SO was shorter and the isotactic sequence length distribution of polypropylene of sample F28SO was broader

which could be processed well at high-speed orientation during the processing of BOPP films. This result indicates that the isotactic sequence length distribution of polypropylene is related to the processing speed during preparing BOPP films

and the stereo-defects distribution of polypropylene has an important influence on its processing ability.

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