PROBLEM TO BE SOLVED: To improve an adhesive strength between a layer of a polyimide resin and a layer of a rubber composition.SOLUTION: A laminate contains a layer of a polyimide layer and a layer of an unvulcanized rubber composition, where the rubber composition contains (A) a rubber component, (B) 20-100 pts.mass of a polyamide polyether elastomer with respect to 100 pts.mass of (A) the rubber component, (C) a condensate of a compound represented by formula (1), in the formula (1), R, R, R, Rand Rare independently selected from the group consisting of hydrogen, a hydroxyl group, an alkyl group having 1 to 8 carbon atoms, a hydroxyalkyl group having 1 to 8 carbon atoms, and an alkoxide group having 1 to 8 carbon atoms and formaldehyde, (D) a methylene donor, and (E) a vulcanizer.SELECTED DRAWING: None
【課題】ポリイミド樹脂の層とゴム組成物の層の間の接着強度の向上。【解決手段】ポリイミド樹脂の層及び未加硫ゴム組成物の層を含む積層体であって、ゴム組成物が、(A)ゴム成分、(B)ゴム成分(A)100質量部に対して20〜100質量部のポリアミドポリエーテルエラストマー、(C)下記式(1):(式中、R1、R2、R3、R4およびR5は、水素、ヒドロキシル基、炭素原子数1〜8のアルキル基、炭素原子数1〜8のヒドロキシアルキル基、及び炭素原子数1〜8のアルコキシド基からなる群から独立に選ばれる)で表される化合物とホルムアルデヒドとの縮合物、(D)メチレンドナー、及び(E)加硫剤を含む、積層体。【選択図】なし
LAMINATE AND METHOD FOR PRODUCING PNEUMATIC TIRE
積層体及び空気入りタイヤの製造方法
15.11.2018
Patent
Elektronische Ressource
Japanisch
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / 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 |
LAMINATE FOR PNEUMATIC TIRE, INNER LINER MATERIAL AND METHOD FOR PRODUCING PNEUMATIC TIRE
Europäisches Patentamt | 2019
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