Provided is a laminate which comprises a layer of a polyimide resin and a layer of an unvulcanized rubber composition, and wherein the rubber composition contains (A) a rubber component, (B) 20-100 parts by mass of a polyamide polyether elastomer per 100 parts by mass of the rubber component (A), (C) a condensation product of formaldehyde and a compound represented by formula (1) (wherein each of R1, R2, R3, R4 and R5 is independently selected from the group consisting of a hydrogen atom, a hydroxyl group, an alkyl group having 1-8 carbon atoms, a hydroxyalkyl group having 1-8 carbon atoms and an alkoxide group having 1-8 carbon atoms), (D) a methylene donor and (E) a vulcanizing agent. A laminate according to the present invention exhibits improved bonding strength between a layer of a polyimide resin and a layer of a rubber composition.
LAMINATE AND METHOD FOR PRODUCING PNEUMATIC TIRE
2020-04-23
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / 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 / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
LAMINATE FOR PNEUMATIC TIRE, INNER LINER MATERIAL AND METHOD FOR PRODUCING PNEUMATIC TIRE
European Patent Office | 2019
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