籾殻炭のゴム補強材への利用 [in Japanese] Rubber Reinforcement by Carbonized Chaff Powder [in Japanese]
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We examined the effectiveness of the powdered charcoal made from rice chaff as a reinforcement material of rubber. There are few reports that describing the use of carbonized chaff as a reinforcement of rubber. We found that this carbonized chaff manifested a reinforcing effect almost equivalent to that of carbon black, if a silane coupling was applied. The particle size of the carbonized chaff was about 1μm, although some particles with a size of 20-30μm were produced by the usual crushing method. This may be a reason why the breaking strength of the carbonized chaff reinforced rubber was a little weaker than that of the carbon black reinforced rubber. However, if silane coupling processing was applied, the strength of carbonized chaff rubber became the same as that of talc and clay reinforced rubber.
GOMU 73(9), 496-502, 2000-09-15
THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN