RUBBER COMPOSITION FOR CRAWLERS AND RUBBER CRAWLER

• Main Authors: TOYA SUBARU, NAGAI HARUKA, KAWAI HIROKI
• Format: Patent
• Language: English; Japanese
• Published: 03.07.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; METALLURGY; MOTOR VEHICLES; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRAILERS; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a rubber composition for crawlers that can improve crack resistance under high-temperature conditions, and to provide a crawler.SOLUTION: A rubber composition for crawlers contains a rubber component containing an isoprene rubber and a styrene-butadiene rubber, and carbon black, with a carbon black content/a styrene-butadiene rubber content>2.0, and a polymer amount×styrene-butadiene rubber content in the rubber component>an acetone extraction amount.SELECTED DRAWING: None 【課題】高温条件における耐クラック性能を改善できるクローラ用ゴム組成物及びクローラを提供する。【解決手段】イソプレン系ゴム及びスチレンブタジエンゴムを含むゴム成分と、カーボンブラックとを含有し、前記カーボンブラックの含有量／前記スチレンブタジエンゴムの含有量＞２．０であり、ポリマー量×前記ゴム成分中のスチレンブタジエンゴムの含有量＞アセトン抽出量であるクローラ用ゴム組成物に関する。【選択図】なし