RETREADED TIRE PRODUCTION METHOD

• Main Author: HAYATA DAISUKE
• Format: Patent
• Language: English; Japanese
• Published: 01.02.2024
• 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; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL

To provide a retreaded tire production method for retreading a base tire which uses a side wall part being formed of a rubber composition including a rubber-like polymer with a specific structure, for suppressing efficiently, deterioration of the side wall part in heating when co-vulcanization adhesion is executed, and for increasing the use number as the retreaded tire.SOLUTION: There is provided a retreaded tire production method for retreading a base tire having a side wall part, the side wall part comprising: with respect to 100 pts.mass of a rubber component, 20 pts.mass or greater of a rubber-like polymer including a constitutional unit based on a conjugated diene compound and a constitutional unit based on ethylene.SELECTED DRAWING: None 【課題】特定の構造のゴム状重合体を含むゴム組成物から成るサイドウォール部を用いた台タイヤをリトレッドすることにより、共加硫接着する際の加熱におけるサイドウォール部の劣化を効果的に抑制し、更生タイヤとしての利用回数を増加させられる、更生タイヤの製造方法を提供する。【解決手段】共役ジエン化合物に基づく構成単位と、エチレンに基づく構成単位と、を有するゴム状重合体を、ゴム成分１００質量部に対し２０質量部以上含有するサイドウォール部を備えた台タイヤをリトレッドする、更生タイヤの製造方法。【選択図】なし