To provide thermoreversible urethane-based adhesive compositions, films and adhesive methods.SOLUTION: The thermoreversible urethane-based adhesive composition comprises a reaction product of a multifunctional maleimide species and a furan-endcapped prepolymer, where the furan-endcapped prepolymer comprises the reaction product of a monofunctional furan species and an isocyanate-terminated prepolymer, where the isocyanate-terminated prepolymer comprises a reaction product of a diisocyanate and a difunctional oligomer that is terminated at a first end with an alpha moiety, where the alpha moiety is a hydroxyl group or an amine group, and that is terminated at a second end, opposite the first end, with an omega moiety, where the omega moiety is a hydroxyl group or an amine group.SELECTED DRAWING: None
【課題】熱可逆性ウレタン系接着剤組成物、フィルム及び接着方法を提供する。【解決手段】多官能性マレイミド種とフランエンドキャッププレポリマーとの反応生成物を含む熱可逆性ウレタン系接着剤組成物であって、フランエンドキャッププレポリマーは、単官能性フラン種とイソシアネート基末端プレポリマーとの反応生成物を含み、イソシアネート基末端プレポリマーは、ジイソシアネートと、第一端が、水酸基又はアミン基であるアルファ部分で終端し、第一端の反対側の第二端が、水酸基又はアミン基であるオメガ部分で終端する、二官能性オリゴマーとの反応生成物を含む。【選択図】なし
THERMOREVERSIBLE URETHANE-BASED ADHESIVE COMPOSITIONS, AND ASSOCIATED METHODS FOR BONDING, AND BONDED ARTICLES
熱可逆性ウレタン系接着剤組成物並びに関連する接着のための方法及び接合品
2024-08-26
Patent
Electronic Resource
Japanese
IPC: | C09J ADHESIVES , Klebstoffe / B64C AEROPLANES , Flugzeuge / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind |
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