RHEOLOGIC STUDIES ON CHEMICAL CROSS-LINKING KINETICS FOR LDPE

Hong-mei Yang; Zhi-gang Liu; Yong-zhu Yang; Qiang Zheng

doi:10.1007/s10118-012-1137-z

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RHEOLOGIC STUDIES ON CHEMICAL CROSS-LINKING KINETICS FOR LDPE

PAPER | Updated：2023-01-03

- RHEOLOGIC STUDIES ON CHEMICAL CROSS-LINKING KINETICS FOR LDPE
- Chinese Journal of Polymer Science Vol. 30, Issue 3, Pages: 378-386(2012)
- Affiliations：
  
  a.Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
  b.Key Laboratory of Macromolecular Synthesis and Functionalization, Ministry of Education, Hangzhou 310027, China
- Author bio：
  
  **Hong-mei Yang (杨红梅), E-mail: yanghongmei@zju.edu.cn
- Funds：
- DOI：10.1007/s10118-012-1137-z
  CLC：
- Received：17 May 2011，
  
  Revised：2011-08-12，
  
  Accepted：30 August 2011，
  
  Published：2012-05
- Accepted：
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Hong-mei Yang, Zhi-gang Liu, Yong-zhu Yang, et al. RHEOLOGIC STUDIES ON CHEMICAL CROSS-LINKING KINETICS FOR LDPE[J]. Chinese Journal of Polymer Science, 2012, 30(3): 378-386.
DOI：

Hong-mei Yang, Zhi-gang Liu, Yong-zhu Yang, et al. RHEOLOGIC STUDIES ON CHEMICAL CROSS-LINKING KINETICS FOR LDPE[J]. Chinese Journal of Polymer Science, 2012, 30(3): 378-386. DOI： 10.1007/s10118-012-1137-z.

摘要

Abstract

Crosslinking reaction of LDPE resin in the presence of dicumyl peroxide (DCP) was studied by isothermal rheological measurements at different temperatures and non-isothermal differential scanning calorimetry (DSC) technique with different heating rates. The kinetic parameters of crosslinking reaction were calculated by both rheological and DSC measurements. The results reveal that with the increase of DCP contents

the apparent activation energy

ranges from about 140 kJ/mol to 170 kJ/mol and the order of crosslinking reaction

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approaches unity. The influence of measurement frequency

on crosslinking reaction was also investigated. It can be found that

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does not change with the increase of

and

decreases slightly with the increase of

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