To provide a thermoplastic elastomer composition that makes it possible to obtain a resin film having excellent workability, flexibility, and rubber adhesion while maintaining at least air permeation resistance, an air permeation-resistant film for a tire prepared therewith, and a pneumatic tire prepared therewith.SOLUTION: A thermoplastic elastomer composition has a continuous phase composed of thermoplastic resin, and a dispersion phase composed of vulcanized rubber dispersed in the continuous phase. The vulcanized rubber contains chlorosulfonated polyethylene of 1-10 pts.mass relative to 100 pts.mass of butyl rubber.SELECTED DRAWING: Figure 1
【課題】耐空気透過性を少なくとも維持しつつ、加工性、柔軟性、及びゴムとの接着性に優れた樹脂フィルムが得られる熱可塑性エラストマー組成物、及びこれを用いたタイヤ用耐空気透過性フィルム、並びにこれを用いた空気入りタイヤを提供する。【解決手段】熱可塑性樹脂からなる連続相と、この連続相中に分散した加硫ゴムからなる分散相とを有し、上記加硫ゴムが、ブチルゴム100質量部に対して、クロロスルホン化ポリエチレンを1〜10質量部含有する、熱可塑性エラストマー組成物とする。【選択図】図1
THERMOPLASTIC ELASTOMER COMPOSITION, AIR PERMEATION-RESISTANT FILM FOR TIRE, AND PNEUMATIC TIRE PREPARED THEREWITH
熱可塑性エラストマー組成物、タイヤ用耐空気透過性フィルム、及びこれを用いた空気入りタイヤ
2019-03-07
Patent
Electronic Resource
Japanese
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