Mathematical Modelling and Numerical Simulation of the Non-isothermal In-mold Vulcanization of Natural Rubber

Dan-hui Wang; Qi Dong; Yu-xi Jia

doi:10.1007/s10118-015-1594-2

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Mathematical Modelling and Numerical Simulation of the Non-isothermal In-mold Vulcanization of Natural Rubber

PAPER | Updated：2021-06-21

- Mathematical Modelling and Numerical Simulation of the Non-isothermal In-mold Vulcanization of Natural Rubber
- Chinese Journal of Polymer Science Vol. 33, Issue 3, Pages: 395-403(2015)
- Affiliations：
  
  Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), Shandong University, Ji’nan 250061, China
- Author bio：
  
  **Yu-xi Jia (贾玉玺), E-mail: jia_yuxi@sdu.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1594-2
  CLC：
- Received：20 May 2014，
  
  Revised：2014-07-01，
  
  Accepted：28 July 2014，
  
  Published：2015-03
- Accepted：
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Dan-hui Wang, Qi Dong, Yu-xi Jia. Mathematical Modelling and Numerical Simulation of the Non-isothermal In-mold Vulcanization of Natural Rubber[J]. Chinese Journal of Polymer Science, 2015, 33(3): 395-403.
DOI：

Dan-hui Wang, Qi Dong, Yu-xi Jia. Mathematical Modelling and Numerical Simulation of the Non-isothermal In-mold Vulcanization of Natural Rubber[J]. Chinese Journal of Polymer Science, 2015, 33(3): 395-403. DOI： 10.1007/s10118-015-1594-2.

摘要

Abstract

According to the vulcanization kinetic equation of natural rubber (NR) established in the isothermal situation

the numerical computation expression of the degree of cure under non-isothermal condition is constructed by means of incremental method. The description of non-isothermal in-mold vulcanization process is carried out by the finite element method. The mold-opening time

the rubber and mold temperatures

the degree of rubber cure and its distribution characteristics are numerically analyzed

by changing the key formulas and parameters in the process including the temperature of curing medium

the concentration of 2-mercaptobenzothiazole

the heat transfer manner of mold side

and the convective heat transfer coefficient of heating boundary. The quantitative results will help engineers to design proper formulas and optimize processing conditions.

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