PROBLEM TO BE SOLVED: To provide an unvulcanized rubber composition for inner liner capable of achieving suppression of gas generation amount during vulcanization and good air permeability resistance after vulcanization at good balance while maintaining good processability and molding adhesiveness of an unvulcanized rubber composition for inner liner and a pneumatic tire using the same.SOLUTION: There are provided an unvulcanized rubber composition for inner liner containing 100 pts.mass of a rubber composition containing halogenated butyl rubber and/or butyl rubber of total 60 mass% or more and 1 to 14 pts.mass of a plasticizer containing 0.5 to 6 pts.mass of a process oil, 0 to 8 pts.mass of a mixed resin and 0 to 4 pts.mass of an adhesive resin and a pneumatic tire using the same.SELECTED DRAWING: None
【課題】未加硫のインナーライナー用ゴム組成物の良好な加工性や成形接着性を保持しつつ、加硫時の気体発生量の抑制、および加硫後の良好な耐空気透過性能をバランス良く両立させたインナーライナー用未加硫ゴム組成物、ならびにこれを用いた空気入りタイヤを提供する。【解決手段】ハロゲン化ブチルゴムおよび/またはブチルゴムを合計60質量%以上含むゴム成分100質量部と、プロセスオイル0.5〜6質量部、混合樹脂0〜8質量部および粘着樹脂0〜4質量部を含む可塑剤1〜14質量部とを含有するインナーライナー用未加硫ゴム組成物、ならびにこれを用いた空気入りタイヤ。【選択図】なし
UNVULCANIZED RUBBER COMPOSITION FOR INNER LINER AND PNEUMATIC TIRE
インナーライナー用未加硫ゴム組成物および空気入りタイヤ
2016-05-30
Patent
Elektronische Ressource
Japanisch
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