The Toughening Behavior of the PP/POE Alternating Multilayered Blends under EWF and Impact Tensile Methods

Chun-hai Li; Jian-feng Wang; Ji-wei Guo; Hong Wu; Shao-yun Guo

doi:10.1007/s10118-015-1692-1

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The Toughening Behavior of the PP/POE Alternating Multilayered Blends under EWF and Impact Tensile Methods

PAPER | Updated：2021-06-21

- The Toughening Behavior of the PP/POE Alternating Multilayered Blends under EWF and Impact Tensile Methods
- Chinese Journal of Polymer Science Vol. 33, Issue 10, Pages: 1477-1490(2015)
- Affiliations：
  
  The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
- Author bio：
  
  **Hong Wu (吴宏), E-mail: wh@scu.edu.cn
  Shao-yun Guo (郭少云), E-mail: sguo@scu.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1692-1
  CLC：
- Received：17 April 2015，
  
  Revised：2015-06-22，
  
  Accepted：30 June 2015，
  
  Published：2015-10
- Accepted：
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Chun-hai Li, Jian-feng Wang, Ji-wei Guo, et al. The Toughening Behavior of the PP/POE Alternating Multilayered Blends under EWF and Impact Tensile Methods[J]. Chinese Journal of Polymer Science, 2015, 33(10): 1477-1490.
DOI：

Chun-hai Li, Jian-feng Wang, Ji-wei Guo, et al. The Toughening Behavior of the PP/POE Alternating Multilayered Blends under EWF and Impact Tensile Methods[J]. Chinese Journal of Polymer Science, 2015, 33(10): 1477-1490. DOI： 10.1007/s10118-015-1692-1.

摘要

Abstract

The multilayered polypropylene (PP) and poly(ethylene-

-octene) (POE) sheets were prepared by the microlayered co-extrusion system. The essential work of fracture (EWF) and the impact tensile methods have been successfully used to evaluate the toughening behaviors of the PP/POE multilayered blends under quasi-static and dynamic uniaxial tensile stress

respectively. The experimental results indicate that the multilayered structure plays a key role in the toughening behaviors. On increasing the layer number of the multilayered blends

the specific essential work of fracture

increases obviously. As for the

βw

there is no obvious variation in the multilayered blends with low POE content (6.79%)

however

obvious enhancement is observed with increasing the layer number of the high POE content multilayered blends (16.57%). Compared with the conventional blends

the multilayered blends with 6.79% POE content are effective to increase the value of

. Additionally

the multilayered blends with high layer numbers present absolute advantage in improving the impact tensile values.

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