Journal of Rubber Research

, Volume 20, Issue 3, pp 145–156 | Cite as

Peroxide Curable Elastomer Processing of Brominated Isobutylene-co-p-Methylstyrene in the Presence of a Coagent

  • C. C. Chao
  • A. Prasannan
  • C. C. Weng
  • H. C. TsaiEmail author
  • S. Y. Lin
  • W. T. Cheng
  • G. H. HsiueEmail author


In the present study, the curing of brominated polyisobutylene-co-p-methylstyrene (BIMS) using OO-tert-Butyl O-2-(ethylhexyl) monoperoxycarbonate (TBEC) was prepared for low gas permeability applications, and were evaluated in the presence of various coagents. The amount of the coagent used in curing the butyl rubber directly affected rheometric and mechanical properties of the final product. BIMS was found curable by TBEC in the presence of N,N’-m-phenylenedimaleimide (MP) and the crosslinking density (v) were positively correlated to MP content. The mechanical strength and gas barrier properties were also improved upon the increased crosslinking density in BIMS. The peroxide based cured BIMS materials were demonstrated as improved gas barrier properties than the sulfur cured one. Hence, the development of peroxide based vulcanisation may offer an alternative method for the processing of low gas permeability of BIMS.


Vulcanisation curing mechanical properties crosslinking density gas permeability 


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Copyright information

© The Malaysian Rubber Board 2017

Authors and Affiliations

  1. 1.Department of Chemical EngineeringNational Chung Hsing UniversityTaichungTaiwan, Republic of China
  2. 2.Graduate Institute of Applied Science and TechnologyNational Taiwan University of Science and TechnologyTaipeiTaiwan, Republic of China
  3. 3.Department of Chemical Engineering/R&D Center for Membrane TechnologyChung Yuan UniversityChung LiTaiwan, Republic of China
  4. 4.National Applied Research LaboratoriesInstrument Technology Research CenterHsinchuTaiwan

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