Also based on our previous research, the optimum filler
loading for OPA was discovered to be 1 phrdwhich
improved the elastomeric strength by 16%. This reinforcement
effect is equally as effective as that implicated by
reinforcing fillers. Thus, in this article, the optimum loading
of OPA (1 phr) is compared against two other types of
commercial fillers (that is, silica and carbon black) in which
the optimum loading is 10 phr for silica [7] and 50 phr for
carbon black [8]. The curing characteristics, tensile properties,
rubber-filler interaction and morphology of fracture
surfaces of OPA, silica and carbon black filled natural rubber
vulcanizates were investigated and compared.
Also based on our previous research, the optimum fillerloading for OPA was discovered to be 1 phrdwhichimproved the elastomeric strength by 16%. This reinforcementeffect is equally as effective as that implicated byreinforcing fillers. Thus, in this article, the optimum loadingof OPA (1 phr) is compared against two other types ofcommercial fillers (that is, silica and carbon black) in whichthe optimum loading is 10 phr for silica [7] and 50 phr forcarbon black [8]. The curing characteristics, tensile properties,rubber-filler interaction and morphology of fracturesurfaces of OPA, silica and carbon black filled natural rubbervulcanizates were investigated and compared.
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