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Study of montmorillonite nanoparticles and electron beam irradiation interaction of ethylene vinyl acetate (EVA)/de-vulcanized waste rubber thermoplastic composites

Soo, Tueen Bee and Lee, Tin Sin and Tie, Teck Hoe and Ratnam, C. T. and Soo, Ling Bee and Rahmat, A. R. (2018) Study of montmorillonite nanoparticles and electron beam irradiation interaction of ethylene vinyl acetate (EVA)/de-vulcanized waste rubber thermoplastic composites. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 423 . pp. 97-110. ISSN 0168-583X

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Official URL: http://dx.doi.org/10.1016/j.nimb.2018.03.013

Abstract

The purpose of this work was to investigate the effects of montmorillonite (MMT) loading level and electron beam irradiation on the physical-mechanical properties and thermal stability of ethylene vinyl acetate (EVA)- devulcanised waste rubber blends. The addition of MMT particles has significantly increased the d-spacing and interchain separation of deflection peak (0 0 2) of MMT particles. This indicates that MMT particles have effectively intercalated in polymer matrix of EVA-devulcanised waste rubber blends. Besides, the application of electron beam irradiation dosages <150 kGy could also significantly induce the effective intercalation effect of MMT particles in polymer matrix by introducing crosslinking networks. The increasing of electron beam irradiation dosages up to 250 kGy has gradually increased the gel content of all EVA-devulcanized rubber blends by inducing the formation of crosslinking networks in polymer matrix. Also, the tensile strength of all EVA-devulcanized waste rubber blends was gradually increased when irradiated up to 150 kGy. This is due to the occurrence of crosslinking networks by irradiation could significantly provide reinforcement effect to polymer matrix by effectively transferring the stress applied on polymer matrix throughout the whole polymer matrix.

Item Type:Article
Uncontrolled Keywords:Crosslinking, Devulcanized waste rubber
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:85559
Deposited By: Widya Wahid
Deposited On:30 Jun 2020 16:56
Last Modified:30 Jun 2020 16:56

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