微粉ケイ酸のゴム物性におよぼす影響

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タイトル別名
  • THE EFFECT OF FINE POWDERED SILICA ON THEPROPERTIES OF RUBBER
  • ビフン ケイサン ノ ゴム ブッセイ ニ オヨボス エイキョウ
  • THE RUBBER REINFORCING PROPERTY OF FINE POWDERED SILICATE SYNTHESIZED FROM ACID CLAY. (1)

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抄録

The fine powdered silica containing small amounts of calcium salts, synthesized from acid clay, is suitable as a reinforcing filler for rubber. The properties of this powder was compared with those of various fine powdered silica synthesized by the ordinary soldium silicate method.<br>(1) The fine powdered silica synthesized from active silica hydrogel and others by the ordinary sodium silicate method were added to rubber in various amounts. The effects of this addition to rubber was compared. It was found that there is little difference in character except that the flexure resistance and abrasion resistance of the former is very good. (In actual practice, those properties are suitable as a filler for rubber sole compounds.)<br>(2) When the comparison of (1) is made for the same hardness, the same tendency becomes more remarkable.<br>(3) It is known from the data of (2), obtained for the same hardness, that the modulus is almost proportional to abrasion.<br>(4) The mixed system of thiazol and thiurum compounds gives satisfactory effects on rubber in general when it is used as a accelerator of rubber to which fine powdered silica synthesized from active silica hydrogel is added.

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