Morphological Characterization of Rubber Grade Carbon Black by Thermoporometry
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概要
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The intra-aggregate void size distribution (VSD) and void volume, and fractal dimension D of rubber gradecarbon black dispersed in undecane were measured by thermoporometry. The value of Rmax corresponding to themaximum value of the VSD curve was confirmed to be proportional to the DBP (dibutyl phthalate) volume and thesize Rn of the primary particles constituting the aggregates. The VSD curves obtained with undecane shifted towardsmaller void sizes than those obtained with water. This fact indicates a larger interpenetration of the carbon blackaggregates resulting from the stronger interaction of the oleophilic carbon black surface with undecane than withwater. The intra-aggregate void volume measured by thermoporometry was compared with the occluded volumecalculated by Medalia. It appears that experimental values agree well with calculated but the occluded volume calculatedis overestimated.
- 炭素材料学会の論文
炭素材料学会 | 論文
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