000			01690nam a2200265Ia 4500
008			220216s9999 xx 000 0 und d
100			_aMohandas K S
245		0	_aNitrile rubber compounds with improved flex-crack resistance
260			_bRubber Science _c2014
300			_a263-267
500			_aSource Year: 2012
520			_aIncorporation of reinforcing fillers is essential for enhancing of technologically important physical properties of elastomers. Various types of carbon black are highly efficient in reinforcing elastomers. Within the family of black fillers, reinforcing efficiency varies widely and this depends mainly on the particle size of the filler. For certain applications, along with reinforcement, resistance to flex-crack also has importance. In this study, conventionally used blacks namely HAF, FEF and GPF were compared for their flex-crack resistance in nitrile rubber vulcanizates. Nitrile rubber was selected since the study was aimed at developing a flex-crack resistant vulcanizate which can perform in hydrocarbon oil medium. By increasing the dosage of carbon black from 40 to 60 phr, flex-crack resistance improved up to 50 phr loading for the three fillers and this decreased thereafter. Among the fillers used, the one with the largest particle size produced the highest flex-crack resistance.
650			_aAcrylonitrile rubber
650			_aAcrylonitrile rubber
650			_aFatigue
650			_aFatigue
650			_aFlex-crack resistance
650			_aFlex-crack resistance
650			_aParticle size
650			_aParticle size
650			_aReinforcement
650			_aReinforcement
700			_aVarghese S
942			_cAR
999			_c46733 _d46733