2016
DOI: 10.1051/matecconf/20168016007
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Determination of the activation energy of silicone rubbers using different kinetic analysis methods

Abstract: The solidification of silicone rubbers is a crosslinking reaction called vulcanization. It follows that the physical and mechanical properties of silicone rubbers increase significantly due to the growth of molecular weight and were affected strongly by the vulcanization process, such as the temperatures and times for curing. In this study, the kinetics of the crosslinking reaction of silicone rubbers was investigated by two current techniques: differential scanning calorimeter (DSC) and oscillating disk rheom… Show more

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Cited by 8 publications
(6 citation statements)
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“…The dense structure may be due to the densification of the geopolymer as the binder, and a viscous flow fills most of the voids present in the material [ 59 ]. Simultaneously, silicone rubber solidified exothermally by a heat release during the crosslinking reaction [ 60 ]. The silicone rubber also provides good adhesion to the cracked surface, producing a bridging effect that keeps the cracked pieces together [ 61 ].…”
Section: Resultsmentioning
confidence: 99%
“…The dense structure may be due to the densification of the geopolymer as the binder, and a viscous flow fills most of the voids present in the material [ 59 ]. Simultaneously, silicone rubber solidified exothermally by a heat release during the crosslinking reaction [ 60 ]. The silicone rubber also provides good adhesion to the cracked surface, producing a bridging effect that keeps the cracked pieces together [ 61 ].…”
Section: Resultsmentioning
confidence: 99%
“…The vulcanization rate, the conditional constant of the vulcanization rate, and the effective activation energy of the vulcanization process of elastomeric compositions according to rheometric data were calculated according to the methods described by several authors. 1,42 For example, the effective activation energy of the vulcanization process (E) of rubber compound is determined in regard to the conditional constants of the reaction rate at two temperatures according to formula (1):…”
Section: Methodsmentioning
confidence: 99%
“…Various analytical methods are used to calculate the energy of activation here, e.g. Kissinger, Ozawa or Friedmann [11], and graphic analysis is also possible.…”
Section: Compound Developmentmentioning
confidence: 99%