MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING

Dong Liang; Li-juan Zhou; Qin Zhang; Feng Chen; Ke Wang; Hua Deng; Qiang Fu

doi:10.1007/s10118-012-1159-6

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MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING

PAPER | Updated：2023-01-03

- MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING
- MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING
- Chinese Journal of Polymer Science 2012年30卷第4期页码：603-612
- Affiliations：
  
  Department of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chengdu 610065, China
- Author bio：
  
  **Qin Zhang (张琴), E-mail: qinzhang@scu.edu.cn
  Qiang Fu (傅强), E-mail: qiangfu@scu.edu.cn
- Funds：
  
  Major State Basic Research Projects of China(2011CB606006);Program for the New-Century Excellent Talents of Ministry of Education of China(NCET-10-0580)
- DOI：10.1007/s10118-012-1159-6
  中图分类号：
- 收稿：2012-01-13，
  
  修回：2012-02-13，
  
  录用：2012-02-13，
  
  纸质出版：2012-07
- Accepted：
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Dong Liang, Li-juan Zhou, Qin Zhang, 等. MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING[J]. Chinese Journal of Polymer Science, 2012,30(4):603-612.

Dong Liang, Li-juan Zhou, Qin Zhang, et al. MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING[J]. Chinese Journal of Polymer Science, 2012, 30(4): 603-612.
Dong Liang, Li-juan Zhou, Qin Zhang, 等. MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING[J]. Chinese Journal of Polymer Science, 2012,30(4):603-612. DOI： 10.1007/s10118-012-1159-6.

Dong Liang, Li-juan Zhou, Qin Zhang, et al. MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY(ETHYLENE-OCTENE) COPOLYMERS OBTAINED BY DYNAMIC PACKING INJECTION MOLDING[J]. Chinese Journal of Polymer Science, 2012, 30(4): 603-612. DOI： 10.1007/s10118-012-1159-6.

摘要

Abstract

The morphology and mechanical properties of poly(ethylene-octene) copolymers (POE) obtained by dynamic packing injection molding were investigated by mechanical tests

differential scanning calorimetry (DSC)

fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). The mechanical tests found that only POE with low octene content and high molecular weight show apparent response for external shear field. Further investigation has been done by DSC

FT-IR

and SEM in order to make clear the reason of that phenomenon. Finally

the hypothetical mechanism of POE microstructure formation under shear field has been proposed. For POE with low octene content and high molecular weight

orientation degree and mechanical properties both increase substantially under shear field. For POE with low octene content and low molecular weight

orientation degree and crystallinity increase under shear field

but it is not dramatically benefit for the mechanical properties. For POE with high octene content and high molecular weight

the shear field has little effect on the morphology and mechanical properties.

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