ADHESIVE COMPOSITION AND ITS ADHESIVE SHEET

PROBLEM TO BE SOLVED: To provide an adhesive composition composed mainly of a condensation polymer, excellent in adhesion, retentivity and the like, capable of obtaining good releasability even if a releasing linear untreated with a silicone is used, and improved in rough surface adhesion. SOLUTION:...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKAITANI KAZUTAKA, ANDO MASAHIKO, AMANO TATSUMI
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an adhesive composition composed mainly of a condensation polymer, excellent in adhesion, retentivity and the like, capable of obtaining good releasability even if a releasing linear untreated with a silicone is used, and improved in rough surface adhesion. SOLUTION: This adhesive composition is characterized by being composed mainly of a condensation polymer of >=20,000 weight-average molecular weight, having an aliphatic carbonate structure and a glycero-α-monoalkyl ether structure in the main chain, especially having the molar ratio of the aliphatic carbonate structure (A) to the glycero-α-monoalkyl ether structure (B) (A)/(B)=(60:40) to (99:1).