(METH)ACRYLIC ADHESIVE COMPOSITION, LAMINATE, AND TIRE

• Main Authors: AKIYAMA HISAE, OKAMATSU TAKAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 24.02.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; DYES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; PERFORMING OPERATIONS; POLISHES; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

To provide a (meth)acrylic adhesive composition that gives excellent adhesion between vulcanized rubbers, and to provide a laminate and a tire.SOLUTION: Provided are a two-agent type (meth)acrylic adhesive composition that contains a (meth)acryloyl group-containing polymerizable monomer A, an elastomer component B containing acrylonitrile-butadiene rubber or chlorosulfonated polyethylene, a peroxide-type polymerization initiator C, a reducing agent D, and a filler E, and in which A includes a (meth)acrylic acid alkyl ester monomer (A1), a (meth)acrylic monomer having a hydroxy group (A2), a (meth)acrylic acid monomer (A3), and a crosslinking (meth)acrylic monomer (A4), the mass ratio of the total contained amount of B to the total contained amount of A and B, (B/A+B), is 0.05 or more, and that is used to adhere vulcanized rubbers, and a laminate and a tire in which a (meth)acrylic adhesive composition is used.SELECTED DRAWING: None 【課題】本発明は加硫ゴム同士の接着性が優れる（メタ）アクリル系接着剤組成物、積層体及びタイヤを提供することを目的とする。【解決手段】（メタ）アクリロイル基を有する重合性モノマーＡ、アクリロニトリル・ブタジエンゴム又はクロロスルホン化ポリエチレンを含むエラストマー成分Ｂ、過酸化物系重合開始剤Ｃ、還元剤Ｄ、及び、フィラーＥを含有し、Ａは、（メタ）アクリル酸アルキルエステルモノマー（Ａ１）、ヒドロキシ基を有する（メタ）アクリルモノマー（Ａ２）、（メタ）アクリル酸モノマー（Ａ３）、及び、架橋性（メタ）アクリルモノマー（Ａ４）を含み、Ａ及びＢの全合計含有量に対するＢの全含有量の質量比（Ｂ／Ａ＋Ｂ）が０．０５以上であり、加硫ゴム同士を接着させるために使用される、二剤型の（メタ）アクリル系接着剤組成物、（メタ）アクリル系接着剤組成物を用いる積層体及びタイヤ。【選択図】なし