ADHESIVE COMPOSITION FOR VULCANIZED RUBBER, AND TIRE

• Main Authors: AKIYAMA HISAE, OKAMATSU TAKAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 15.06.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; DEVICES OR ARRANGEMENTS RELATED TO TYRES; DYES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; PERFORMING OPERATIONS; POLISHES; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF MATERIALS AS ADHESIVES; VEHICLE TYRES; VEHICLES IN GENERAL

To provide an adhesive composition for vulcanized rubber having a good balance between an open assembly time and a closed assembly time.SOLUTION: An adhesive composition for vulcanized rubber comprises: an agent A that comprises an epoxy resin comprising a plurality of epoxy groups in one molecule; and an agent B that comprises a polyamide comprising a plurality of primary amino groups in one molecule and having an amine value of 200-350 mgKOH/g, and an unsaturated fatty acid. There is also provided a tire comprising a vulcanized tire and a part bonded using the adhesive composition for vulcanized rubber.SELECTED DRAWING: None 【課題】オープンアセンブリタイムとクローズドアセンブリタイムとのバランスが優れる加硫ゴム用接着剤組成物を提供する。【解決手段】１分子中にエポキシ基を複数有するエポキシ樹脂を含むＡ剤、及び、１分子中に１級アミノ基を複数有し、アミン価が２００～３５０ｍｇＫＯＨ／ｇであるポリアミドと、不飽和脂肪酸とを含むＢ剤とを有する、加硫ゴム用接着剤組成物、並びに、加硫されたタイヤと部品とが上記加硫ゴム用接着剤組成物で接着されたタイヤ。【選択図】なし