To provide a laminate of a polyimide film and a rubber composition layer, which uses a rubber composition that can be bonded to a polyimide film.SOLUTION: This invention relates to a laminate of a polyimide film and a rubber composition layer, the rubber composition containing (A) a rubber component, (B) a condensate of a compound represented by formula (1) and formaldehyde (where R, R, R, Rand Rindependently represent hydrogen, a hydroxyl group, a C1-8 alkyl group, or a C1-8 alkoxy group), and (C) a methylene donor. The rubber component (A) contains an isobutylene-p-alkyl styrene copolymer. A mass ratio (C/B) of the methylene donor (C) to the condensate (B) is 1.0-3.0.SELECTED DRAWING: None
【課題】ポリイミドフィルムと接合することのできるゴム組成物を用いたポリイミドフィルムとゴム組成物の層の積層体を提供する。【解決手段】ポリイミドフィルムとゴム組成物の層の積層体であって、ゴム組成物が、ゴム成分(A)、式(1)(式中、R1、R2、R3、R4およびR5は、それぞれ独立に、水素、ヒドロキシル基、炭素原子数が1〜8個のアルキル基、または炭素原子数が1〜8個のアルコキシ基)で表される化合物とホルムアルデヒドとの縮合物(B)およびメチレンドナー(C)を含み、ゴム成分(A)がイソブチレン−p−アルキルスチレン共重合体を含み、縮合物(B)に対するメチレンドナー(C)の質量比(C/B)が1.0〜3.0である。【選択図】なし
LAMINATE OF POLYIMIDE FILM AND RUBBER COMPOSITION LAYER AND PNEUMATIC TIRE CONTAINING THE SAME
ポリイミドフィルムとゴム組成物の層の積層体およびそれを含む空気入りタイヤ
2019-05-16
Patent
Electronic Resource
Japanese
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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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