Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets

Wei-jia Wang; Cheng-huan Huang; Zhao-xia Guo; Jian Yu

doi:10.1007/s10118-017-1955-0

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Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets

Papers | Updated：2021-02-18

- Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets
- Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets
- Chinese Journal of Polymer Science 2017年35卷第8期页码：939-949
- Affiliations：
  
  Key Laboratory of Advanced Materials(Ministry of Education), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Author bio：
  
  Zhao-xia Guo (郭朝霞), E-mail:guozx@mail.tsinghua.edu.cn
  Jian Yu (于建), E-mail:yujian03@mail.tsinghua.edu.cn
- Funds：
  
  the National Natural Science Foundation of China(51173095)
- DOI：10.1007/s10118-017-1955-0
  中图分类号：
- 收稿：2017-02-09，
  
  修回：2017-3-20，
  
  录用：2017-3-22，
  
  纸质出版：2017-08
- Accepted：
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Wei-jia Wang, Cheng-huan Huang, Zhao-xia Guo, 等. Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets[J]. Chinese Journal of Polymer Science, 2017,35(8):939-949.

Wei-jia Wang, Cheng-huan Huang, Zhao-xia Guo, et al. Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets[J]. Chinese Journal of Polymer Science, 2017, 35(8): 939-949.
Wei-jia Wang, Cheng-huan Huang, Zhao-xia Guo, 等. Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets[J]. Chinese Journal of Polymer Science, 2017,35(8):939-949. DOI： 10.1007/s10118-017-1955-0.

Wei-jia Wang, Cheng-huan Huang, Zhao-xia Guo, et al. Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets[J]. Chinese Journal of Polymer Science, 2017, 35(8): 939-949. DOI： 10.1007/s10118-017-1955-0.

摘要

Abstract

Ethylene-

-octene copolymer (POE)/polystyrene (PS) blend pellets with fine particle sizes were prepared by diffusion and subsequent polymerization of styrene in POE pellets through a one-pot procedure. The effects of the amounts of styrene and BPO on PS content

monomer efficiency and monomer conversion were investigated. The blend pellets were characterized by Micro-FTIR and FESEM

showing homogeneous diametrical distributions of PS and particle size. After melt-processing into rods

the average particle sizes are almost doubled

but still in submicron scale. Compared to neat POE rods

the blend rods with PS content higher than 15% exhibit improved tensile modulus and tensile strength without significantly losing ductility

being attributed to the small sizes

complex nature of particles and the existence of POE-

-PS copolymer that result in good interfacial adhesion. POE/PS pellets were compared with the previously reported PP/PS pellets

and the differences between the two systems are attributed to the different morphology of the two matrices:POE is completely amorphous at the diffusion and polymerization temperature

while iPP is semicrystalline. Without efficient impediment of the crystal lamellae in POE pellets

styrene diffuses easily in POE pellets.

关键词

Keywords

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