PROBLEM TO BE SOLVED: To provide a laminate of a polyamide resin film and a rubber composition layer, which can be used as an inner liner material of a pneumatic tire and which is improved in adhesive strength of an inerface between the polyamide resin film and the rubber composition layer.SOLUTION: The laminate comprises a film of a polyamide resin, a mixture of a polyamide resin and other thermoplastic resins, or a thermoplastic elastomer having an elastomer component dispersed in a polyamide resin, and a rubber composition layer. The rubber composition comprises 100 parts by mass of rubber and 1 to 20 parts by mass of a plasticizer having a solubility parameter (SP value) that differs by an absolute value of 3 or less from the solubility parameter of the polyamide resin. A preferable plasticizer is a sulfonamide plasticizer, and particularly, N-butylbenzene sulfonamide.
【課題】空気入りタイヤのインナーライナー材として用いることができるポリアミド系樹脂のフィルムとゴム組成物の層との積層体において、ポリアミド系樹脂のフィルムとゴム組成物の層との界面の接着強度を改善する。【解決手段】この積層体は、ポリアミド樹脂、ポリアミド樹脂と他の熱可塑性樹脂の混合物、またはポリアミド樹脂にエラストマー成分を分散させた熱可塑性エラストマーのフィルムとゴム組成物の層との積層体であって、ゴム組成物が、ゴム100質量部およびポリアミド樹脂の溶解度パラメーター(SP値)との差の絶対値が3以下である溶解度パラメーターを有する可塑剤1〜20質量部を含むことを特徴とする。好ましい可塑剤はスルホンアミド系可塑剤であり、なかでもN−ブチルベンゼンスルホンアミドが好ましい。【選択図】なし
LAMINATE OF POLYAMIDE RESIN FILM AND RUBBER, AND TIRE
ポリアミド系樹脂フィルムとゴムの積層体およびタイヤ
2015-08-13
Patent
Electronic Resource
Japanese
RESIN COMPOSITION, RESIN FILM, RUBBER LAMINATE, AND TIRE
European Patent Office | 2016
|Laminate of thermoplastic resin film and rubber, inner liner material, and pneumatic tire
European Patent Office | 2021
|LAMINATE OF THERMOPLASTIC RESIN FILM AND RUBBER, INNER LINER MATERIAL, AND PNEUMATIC TIRE
European Patent Office | 2020
|LAMINATE OF THERMOPLASTIC RESIN FILM AND RUBBER, INNER LINER MATERIAL, AND PNEUMATIC TIRE
European Patent Office | 2018
|LAMINATE OF THERMOPLASTIC RESIN FILM AND RUBBER, INNER LINER MATERIAL, AND PNEUMATIC TIRE
European Patent Office | 2017
|