PHELLANDRENE COPOLYMER, TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE

• Main Author: FUJISAWA KOJI
• Format: Patent
• Language: English; Japanese
• Published: 25.12.2014
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; VEHICLE TYRES; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To provide a tire rubber composition or the like in which both of wear resistance and grip performance are improved to high levels.SOLUTION: This invention provides a tire rubber composition comprising a phellandrene copolymer, the phellandrene copolymer obtained by polymerization of a phellandrene monomer and a predetermined conjugated diene compound monomer (1), and the phellandrene monomer having a polymerization ratio (l) of 1 to less than 100 wt.% and the conjugated diene compound monomer (1) having a polymerization ratio (m) of 99-0 wt.%. 【課題】耐摩耗性およびグリップ性能をともに高いレベルにまで向上せしめたタイヤ用ゴム組成物等を提供すること。【解決手段】フェランドレン共重合体を含んでなるタイヤ用ゴム組成物であって、フェランドレン共重合体が、フェランドレンモノマーと所定の共役ジエン化合物モノマー（１）とを重合して得られるものであって、フェランドレンモノマーの重合比（ｌ）が１〜１００未満重量％、共役ジエン化合物モノマー（１）の重合比（ｍ）が９９〜０重量％である、タイヤ用ゴム組成物。【選択図】なし