RUBBER COMPOSITION, TIRE, AND ADDITIVE FOR RUBBER

To provide a rubber composition which has sufficient processability in spite of containing a dihydrazide compound, and also has an excellent tensile breaking elongation.SOLUTION: The rubber composition comprises components (a), (b) and (c): (a) a rubber component; (b) at least one compound selected...

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1. Verfasser:	AOYANAGI SEIICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	To provide a rubber composition which has sufficient processability in spite of containing a dihydrazide compound, and also has an excellent tensile breaking elongation.SOLUTION: The rubber composition comprises components (a), (b) and (c): (a) a rubber component; (b) at least one compound selected from specific pyrazole compounds comprising a ketone group and salts of the compounds; (c) a dihydrazide compound represented by formula (3), where R9 represents a C1-18 alkylene group, C3-8 cycloalkylene group or C6-18 arylene group which may have one or more substituents.SELECTED DRAWING: None 【課題】ジヒドラジド化合物を含みつつも十分な加工性を有し、優れた引張破断伸びを有するゴム組成物を提供する。【解決手段】成分（ａ）、（ｂ）、及び（ｃ）を含むゴム組成物。（ａ）ゴム成分、（ｂ）ケトン基を含む特定のピラゾール化合物、並びに該化合物の塩から選ばれる少なくとも一種の化合物、（ｃ）式（３）で表されるジヒドラジド化合物。（式（３）中、Ｒ９は、炭素数１〜１８のアルキレン基、炭素数３〜８のシクロアルキレン基、又は炭素数６〜１８のアリーレン基を示し、１個以上の置換基を有していてもよい。）【選択図】なし