Transcription of PP-EPDM thermoplastic vulcanisates (TPVs) by electron ...
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PP-EPDM thermoplastic vulcanisates (TPVs) by electron ...
1. IntroductionThermoplastic elastomers (TPEs) are one of thefastest growing polymeric materials which com-bine the elastic and mechanical properties of cross-linked rubbers with the melt processability ofthermoplastics [1, 2]. TPEs find lot of applicationsin automotives, buildings and constructions, wiresand cables, soft touch etc. The most importantadvantage of a TPE is its ability to reuse and recy-cle the production scrap and waste. tpvs ordynamic vulcanisates are a special class of TPEs,produced by simultaneously mixing and cross-link-ing a rubber with a thermoplastic at elevated tem-perature [3 5]. As a result a typical morphology isformed, where the cross-linked rubber particles arefinely dispersed in a continuous matrix of thermo-plastic. tpvs based on blends of PP and epdm rubber are most significant from a commercialpoint of view, where the rubber phase is generallycross-linked either by activated phenol formalde-hyde resins or by peroxides [6 12].
Dynamic vulcanisation by electron induced reac-tive processing is a potential option. Influence of electron beam (EB) on PP under static conditions is well known in the literature [13–16]
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