STUDY ON HIGH WELD STRENGTH OF IMPACT PROPYLENE COPOLYMER/HIGH DENSITY POLYETHYLENE LAMINATES

Chun-hui Zhang; Rui-fen Chen; Feng Chen; Yong-gang Shangguan; Qiang Zheng; Guo-hua Hu

doi:10.1007/s10118-011-1059-1

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STUDY ON HIGH WELD STRENGTH OF IMPACT PROPYLENE COPOLYMER/HIGH DENSITY POLYETHYLENE LAMINATES

PAPER | Updated：2021-06-21

- STUDY ON HIGH WELD STRENGTH OF IMPACT PROPYLENE COPOLYMER/HIGH DENSITY POLYETHYLENE LAMINATES
- Chinese Journal of Polymer Science Vol. 29, Issue 4, Pages: 497-505(2011)
- Affiliations：
  
  a.Key Laboratory of Macromolecular Synthesis and Functionalization, Ministry of Education, Hangzhou 310027, China
  b.Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
  c.Laboratory of Reactions and Process Engineering, Nancy-Université, CNRS-ENSIC-INPL, 1 rue Grandville, BP 20451, 54001 Nancy, France
  d.Institut Universitaire de France, Maison des Universités, 103 Boulevard Saint-Michel, 75005 Paris, France
- Author bio：
  
  Yong-gang Shangguan (上官勇刚), E-mail: shangguan@zju.edu.cn
  **Qiang Zheng (郑强), E-mail: zhengqiang@zju.edu.cn
- Funds：
- DOI：10.1007/s10118-011-1059-1
  CLC：
- Received：19 August 2010，
  
  Revised：2010-10-11，
  
  Accepted：12 October 2010，
  
  Published：2011
- Accepted：
Scan QR Code
Chun-hui Zhang, Rui-fen Chen, Feng Chen, et al. STUDY ON HIGH WELD STRENGTH OF IMPACT PROPYLENE COPOLYMER/HIGH DENSITY POLYETHYLENE LAMINATES[J]. Chinese Journal of Polymer Science, 2011, 29(4): 497-505.
DOI：

Chun-hui Zhang, Rui-fen Chen, Feng Chen, et al. STUDY ON HIGH WELD STRENGTH OF IMPACT PROPYLENE COPOLYMER/HIGH DENSITY POLYETHYLENE LAMINATES[J]. Chinese Journal of Polymer Science, 2011, 29(4): 497-505. DOI： 10.1007/s10118-011-1059-1.

摘要

Abstract

The impact propylene copolymer (IPC) and isotactic polypropylene (

PP) were separately selected to prepare laminates with high density polyethylene (HDPE) by hot press. The peel forces of IPC/HDPE and

PP/HDPE laminates were examined

and it was found that the welded joint strength in IPC/HDPE laminate was dramatically higher than that of

PP/HDPE laminate. According to the special microstructure of IPC

the co-crystallization of the ethylene segments in ethylene-propylene block copolymer (E

P) component of IPC and the PE chain in HDPE was proposed to explain the high-strength welding. The DSC results indicated that there indeed existed some interaction between IPC and HDPE

and the crystallizable PE component in IPC could affect the crystallization of HDPE. The scanning electron microscope (SEM) observations of IPC/HDPE blends demonstrated that HDPE tended to stay with the PE-rich E

P chains to form the dispersed phase

indicating the good miscibility between HDPE and E

P components of IPC. According to the above results

the effect of co-crystallization of the PE components of the IPC and HDPE on the high weld strength of IPC/HDPE laminate was confirmed.

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