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    • 8. 发明授权
    • Photocurable adhesive of hydroxy-polyesterurethane acrylate, monomer and
polyisocyanate
    • 羟基聚合物丙烯酸酯,单体和聚异氰酸酯的可光胶
    • US5151454A
    • 1992-09-29
    • US815622
    • 1991-12-30
    • Jugo GotoTsutomu KubotaReiichi KotaniMasuo Miyaji
    • Jugo GotoTsutomu KubotaReiichi KotaniMasuo Miyaji
    • C08F2/50C08F283/00C08F283/10C09J5/00C09J175/16
    • C09J5/00C08F283/00C08F283/10C09J175/16
    • A method of profile lapping adhesion which comprises:coating on a film or sheet, or a substrate, or both of these an adhesive composition which comprises:(a) an epoxy resin or an isocyanate compound,(b) a curing agent for the epoxy resin or the isocyanate compound, and(c) a photopolymerizable vinyl compound:irradiating the adhesvie compoisiton;laminating the sheet or film to the substrate while the sheet or film is wrapped around the substrate; andcuring the adhesive composition.An adhesive composition especially suitable for use in the profile lapping adhesion is provided, which comprises:(a) a photopolymerizable compound which has a number average molecular weight of not less than about 3000 and at least one photopolymerizable double linkage in the molecule;(b) a photopolymerizable monomer which has a molecular weight of about 200-800; and(c) an isocyanate compound.The photopolymerizable compound may be in part or in total displaced by a non-photopolymerizable compound which has a number average molecular weight of not less than about 5000.The adhesive composition develops a large primary adhesive strength by being irradiated, and further the adhesive develops a strong adhesion by chemical cure of the isocyanate compound.
    • 一种轮廓研磨附着力的方法,其包括:在薄膜或片材或基材上涂布这些粘合剂组合物,或两者均包括:(a)环氧树脂或异氰酸酯化合物,(b)环氧树脂固化剂 树脂或异氰酸酯化合物,和(c)可光聚合的乙烯基化合物:照射粘合剂; 在将片材或薄膜卷绕在基片上的同时将片材或薄膜层压到基材上; 并固化粘合剂组合物。 提供特别适用于轮廓研磨粘合性的粘合剂组合物,其包括:(a)数均分子量不小于约3000的可光聚合化合物和分子中至少一个光聚合双键; (b)分子量为约200-800的光聚合单体; 和(c)异氰酸酯化合物。 可光聚合的化合物可以部分或全部被数均分子量不小于约5000的不可光聚合的化合物置换。粘合剂组合物通过照射产生大的初级粘合强度,并且进一步的粘合剂显影出 通过化学固化异氰酸酯化合物的强粘附性。