PROBLEM TO BE SOLVED: To provide a silane coupling agent capable of improving processability of a rubber composition while maintaining excellent vulcanized physical properties, a rubber composition excellent in processability while maintaining excellent vulcanized physical properties by containing the same and a pneumatic tire using the same.SOLUTION: There are provided a boron-containing silane coupling agent obtained by using a silane coupling agent having a mercapto group and/or a (poly)sulfide group and a hydrolyzable silyl group and a boron complex, a rubber composition containing carbon black of 1 to 100 pts.mass and a white filler of 10 to 150 pts.mass and the boron-containing silane coupling agent of 0.1 to 30 pts.mass based on 100 pts.mass of a diene rubber and a pneumatic tire manufactured by using the rubber composition.
【課題】優れた加硫物性を維持しつつ、ゴム組成物の加工性をより良く改善できるシランカップリング剤、これを含有することによって優れた加硫物性を維持しつつ加工性に優れるゴム組成物、及びこれを用いた空気入りタイヤの提供。【解決手段】メルカプト基及び/又は(ポリ)スルフィド基と加水分解性シリル基とを有するシランカップリング剤とホウ素錯体とを用いて得られるホウ素含有シランカップリング剤、ジエン系ゴム100質量部に対して、カーボンブラック1〜100質量部及び/又は白色充填材10〜150質量部と、当該ホウ素含有シランカップリング剤0.1〜30質量部とを含有するゴム組成物、並びに当該ゴム組成物を用いて製造される空気入りタイヤ。【選択図】図1
BORON-CONTAINING SILANE COUPLING AGENT, RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME
ホウ素含有シランカップリング剤、ゴム組成物及びこれを用いる空気入りタイヤ
09.11.2015
Patent
Elektronische Ressource
Japanisch
IPC: | C07F Acyclische, carbocyclische oder heterocyclische Verbindungen, die andere Elemente als Kohlenstoff, Wasserstoff, Halogen, Sauerstoff, Stickstoff, Schwefel, Selen oder Tellur enthalten , ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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