In a pneumatic tire containing as an inner liner material a laminate of a film of a thermoplastic resin or a thermoplastic elastomer composition and a layer of a rubber composition for improving the adhesive strength between the film and the rubber composition, the rubber composition comprises 100 parts by weight of a rubber component, 0.5 to 20 parts by weight of a condensate between a compound expressed by formula (1): wherein R 1 , R 2 , R 3 , R 4 and R 5 are hydrogen, a hydroxyl group or a C1 to C8 alkyl group, and formaldehyde, 0.25 to 200 parts by weight of a methylene donor, and a vulcanizing agent; and a weight ratio of the methylene donor content to the condensate content is 0.5 to 10.
Pneumatic tire and laminate
2017-01-10
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 / 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 |