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The effect of hot air exposure on the mechanical properties and carbon dioxide permeability of hydrogenated nitrile butadiene rubber (HNBR) with varying carbon black content

Abstract

The effect of hot air exposure at 150ºC for up to 12 weeks (ca. 2000 h) on the properties of hydrogenated nitrile butadiene rubber (HNBR) compounds with varying degrees of carbon black content was investigated and re-ported in this paper. The composition of the HNBR was varied with 0, 10, 30 or 50 PHR carbon black. The tensile properties, hardness, density, solvent saturation swelling and carbon dioxide permeability of these specimens was investigated before and after exposure in a hot air oven. Correlations between these results are reported for the compounds considered in this work. These correlations illustrate how the changes in performance which would require test samples of specific geometries (such as tensile modulus or gas permeation) might in some cases be predicted by tests which do not require exact geometries (such as density or surface hardness), for the materials investigated in this paper.

Category

Academic article

Client

  • Research Council of Norway (RCN) / 234115

Language

English

Author(s)

Affiliation

  • SINTEF Industry / Materials and Nanotechnology
  • SINTEF Industry / Sustainable Energy Technology
  • Norwegian University of Science and Technology

Year

2020

Published in

Polymer testing

ISSN

0142-9418

Volume

82

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