COMPOSITION FOR SEALANT AND PNEUMATIC TIRE USING THE SAME

• Main Author: KONNO YUYA
• Format: Patent
• Language: English; Japanese
• Published: 28.06.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide a composition for a sealant which is excellent in heat generation performance, rigidity, and sealing characteristics, and a pneumatic tire using the same.SOLUTION: A composition for a sealant contains, with respect to 100 pts.mass of a solid rubber component containing diene-based rubber, 95-150 pts.mass of a hydrocarbon resin, 20-60 pts.mass of a liquid plasticizer, and 0.1-10 pts.mass of a cellulose nanofiber.SELECTED DRAWING: Figure 1 【課題】発熱性能、剛性、及びシーリング特性に優れた、シーラント用組成物、及びそれを用いた空気入りタイヤを提供する。【解決手段】ジエン系ゴムを含む固形ゴム成分１００質量部に対して、炭化水素樹脂を９５～１５０質量部、液状可塑剤を２０～６０質量部、セルロースナノファイバーを０．１～１０質量部を含有する、シーラント用組成物とする。【選択図】図１