Degradation behavior of acrylonitrile butadiene rubber after cyclic high-pressure hydrogen exposure

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The deterioration of rubber composites filled with different types of fillers was analyzed to determine the influence of cyclic high-pressure hydrogen exposure. The mechanical properties of acrylonitrile butadiene rubber (NBR) unfilled and filled with carbon black or silica were evaluated. The storage modulus of the silica-filled NBR decreased in the rubbery state as the number of exposures increased, while those of the unfilled and carbon black-filled NBR did not change. Changes in the chemical structure such as hydrogenation or chain scission were not detected in the solid state NMR spectra of the exposed composites. However, deterioration of the filler-gel structure formed at the interface of the filler and polymer was observed in the silica-filled NBR. Fracture of this filler-gel structure occurred due to fatigue in the silica-filled NBR resulting from a reduction of the elastic storage modulus caused by cyclic high-pressure hydrogen exposure.

Original languageEnglish
Pages (from-to)2025-2034
Number of pages10
JournalInternational Journal of Hydrogen Energy
Volume40
Issue number4
DOIs
Publication statusPublished - Jan 30 2015

Fingerprint

acrylonitriles
butadiene
Butadiene
fillers
rubber
Fillers
Rubber
Silica
degradation
silicon dioxide
Degradation
Hydrogen
hydrogen
Carbon black
deterioration
Deterioration
Gels
Elastic moduli
gels
composite materials

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Degradation behavior of acrylonitrile butadiene rubber after cyclic high-pressure hydrogen exposure. / Fujiwara, Hirotada; Ono, Hiroaki; Nishimura, Shin.

In: International Journal of Hydrogen Energy, Vol. 40, No. 4, 30.01.2015, p. 2025-2034.

Research output: Contribution to journalArticle

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