Influence of catalyst residues on thermo-oxidative aging and thermal stability of poly(butene-1)

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• 作者：Bao-yu Sun (1)
  Lei Cui (1)
  Xiu-bo Jiang (1)
  Bai-yu Jiang (1)
  Wei Yao (1)
  Ai-hua He (1)
  
• 关键词：Catalyst residues ; Poly(butene ; 1) ; Aging ; Thermal stability
• 刊名：Chinese Journal of Polymer Science
• 出版年：2014
• 出版时间：May 2014
• 年：2014
• 卷：32
• 期：5
• 页码：633-639
• 全文大小：325 KB
• 参考文献：1. Cecchin, G., Collina, G. and Covezzi, M., 2001, U.S. pat., 6306996
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• 作者单位：Bao-yu Sun (1)
  Lei Cui (1)
  Xiu-bo Jiang (1)
  Bai-yu Jiang (1)
  Wei Yao (1)
  Ai-hua He (1)
  
  1. Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
  
• ISSN：1439-6203

文摘

Isotactic poly(butene-1) (iPB) with spherical morphology was synthesized successfully with bulk precipitation polymerization without post-treatment of the products. The bulk precipitation polymerization process made it possible for iPB to be used as general plastic due to the acceptable decreased cost compared with the solution polymerization process. The influence of catalyst residues on the aging and thermal stability of iPB synthesized by bulk precipitation polymerization method was investigated by gel permeation chromatography, mechanical performance testing, thermogravimetric analysis and infrared spectroscopic analysis. Commercial iPB and the lab-made iPB with varied catalyst residue contents were studied. The results demonstrated that the catalyst residues played an important role in the aging process of the iPB. A possible mechanism of aging promotion by catalyst residues was proposed.