ADHESIVE AGENT COMPOSITION

An adhesive composition, includes: a block copolymer (X) that includes a block (A) and a block (B), the block (A) having a glass transition point of 75°C or higher, the block (A) including a monomer unit having a cyclic structure and a carboxyl group-containing monomer unit, the block (B) containing...

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Bibliographische Detailangaben
Hauptverfasser: MOGAMI Hirokazu, INADA Masayoshi
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:An adhesive composition, includes: a block copolymer (X) that includes a block (A) and a block (B), the block (A) having a glass transition point of 75°C or higher, the block (A) including a monomer unit having a cyclic structure and a carboxyl group-containing monomer unit, the block (B) containing an acrylic acid ester unit represented by the following general Formula (1) in an amount of 70 mass% or more, the block copolymer (X) having an acid value of 8 mgKOH/g or more, in which a mass ratio of the block (A) to the block (B) (block (A)/block (B)) is 10/90 to 30/70, the block (A) is located on at least one end of the block copolymer (X), and the block (B) is sandwiched between blocks (A) at said one end of the block copolymer (X). €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒCH 2 =CR 1 -COOR 2 ---€ƒ€ƒ€ƒ€ƒ€ƒ(1)