To provide a tire laminate having low rolling resistance and excellent operation stability when the tire is used, durability, and adhesiveness (peel strength), and a pneumatic tire using the same in an inner linear layer.SOLUTION: In a laminate for tire constituted from a film layer 9a made of a thermoplastic resin or a thermoplastic elastomer composition in which an elastomer component is dispersed in the thermoplastic resin, and an adhesive rubber layer 9B for adhering the film layer 9A to an adjacent member, in the rubber adhesive layer 9B, 0.5 pt.mass to 20 pts.mass of a condensate between a compound represented by a general equation (1) and formaldehyde, 0.25 pt.mass to 200 pts.mass of methylene doner are compounded to rubber component of 100 pts.mass containing 20 mas.% to 100 mass% of an unmodified butadiene rubber, and a ratio of compounding amount of the methylene doner to the compounding amount of the condensate is set to 0.5 to 10.SELECTED DRAWING: Figure 1
【課題】転がり抵抗が低く、タイヤに用いたときの操縦安定性、耐久性、接着性(剥離強度)に優れるタイヤ用積層体と、それをインナーライナー層に用いた空気入りタイヤを提供する。【解決手段】熱可塑性樹脂または熱可塑性樹脂中にエラストマー成分が分散した熱可塑性エラストマー組成物からなるフィルム層9Aと、フィルム層9Aを隣接部材に対して接着するための接着ゴム層9Bとで構成されたタイヤ用積層体において、接着ゴム層9Bを、末端変性ブタジエンゴム20質量%〜100質量%を含むゴム成分100質量部に対して、一般式(1)で表される化合物とホルムアルデヒドとの縮合物を0.5質量部〜20質量部、メチレンドナーを0.25質量部〜200質量部配合し、この縮合物の配合量に対するメチレンドナーの配合量の比率を0.5〜10に設定する。【選択図】図1
LAMINATE FOR TIRE AND PNEUMATIC TIRE
タイヤ用積層体および空気入りタイヤ
2020-08-06
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 / 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 |
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