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    • 62. 发明授权
    • Two-component curable solventless adhesive
    • 双组分固化无溶剂粘合剂
    • US08716427B2
    • 2014-05-06
    • US11658403
    • 2005-02-04
    • Akihiro ImaiKazuaki ImamuraTaiji MorimotoHiroshi KawasakiMikio Matsufuji
    • Akihiro ImaiKazuaki ImamuraTaiji MorimotoHiroshi KawasakiMikio Matsufuji
    • C08G18/00C09J4/00C09J101/00
    • C09J175/04C08G18/10
    • A two-component curable solventless adhesive which enables a laminated composite film comprising a barrier layer and a plastic film laminated with each other to maintain excellent appearance and adhesive strength for a long period even after a sterilization treatment at high temperature, and to appropriately adjust a reaction between a base resin and a curing agent during a production of the laminated composite film. The two-component curable solventless adhesive comprises a base resin and a curing agent, wherein the base resin contains a polyol having an acid group and a secondary or tertiary terminal hydroxyl group accounting for 30% or more of the entire terminal hydroxyl groups of the polyol, and the curing agent contains an isocyanate group-terminated urethane prepolymer containing at least an aralkyl polyisocyanate and/or a modified substance thereof as a raw polyisocyanate, and a content of a low molecular weight polyisocyanate is defined.
    • 即使在高温下进行灭菌处理后,能够使包含阻挡层和塑料膜的层合复合膜能够长时间保持良好的外观和粘合强度的双组分固化无溶剂粘合剂,并适当地调节 在层合复合膜的制造中,基础树脂与固化剂的反应。 双组分可固化无溶剂粘合剂包括基础树脂和固化剂,其中基础树脂含有具有酸基和仲或叔末端羟基的多元醇占多元醇全部末端羟基的30%以上 ,固化剂含有至少含有芳烷基多异氰酸酯和/或其改性物质的异氰酸酯基封端的氨基甲酸酯预聚物作为原料多异氰酸酯,并且定义了低分子量多异氰酸酯的含量。
    • 65. 发明授权
    • Solvent-free two-component curable adhesive composition
    • 无溶剂的双组分可固化粘合剂组合物
    • US06833044B2
    • 2004-12-21
    • US10082216
    • 2002-02-26
    • Akihiro ImaiKazuaki ImamuraTaiji Morimoto
    • Akihiro ImaiKazuaki ImamuraTaiji Morimoto
    • B32B3112
    • C08G18/7642C08G18/12C08G18/664C08G2170/20C08G2250/00C08G18/42C08G18/40
    • The solvent-free two-component adhesive composition of the present invention is prepared by a polyol component (A) and a polyisocyanate component (B), wherein the composition comprises at least one polyol component having crystallinity and selected from the group consisting of a polyester polyol, a polyether polyol, a polycarbonate polyol and a polyurethane polyol in an amount of 3 to 50% by weight relative to the total weight of the components (A) and (B). The adhesive composition has the initial viscosity of about 100 to 1,500 mPa·s (in particular, 100 to 1,000 mPa·s) at 70° C. immediately after the components (A) and (B) are mixed together, and the increasing ratio of viscosity after the composition is stood at 70° C. for 10 minutes to the initial viscosity of 120% or less. According to the present invention, a composite laminated film having the good external appearance can be produced simply and effectively.
    • 本发明的无溶剂双组分粘合剂组合物通过多元醇组分(A)和多异氰酸酯组分(B)制备,其中组合物包含至少一种具有结晶度的多元醇组分,并且选自聚酯 多元醇,聚醚多元醇,聚碳酸酯多元醇和聚氨酯多元醇的量相对于组分(A)和(B)的总重量为3〜50重量%。 粘合剂组合物在组分(A)和(B)混合在一起之后立即在70℃下的初始粘度为约100至1,500mPa.s(特别是100至1,000mPa.s),并且增量比 将组合物在70℃下放置10分钟至初始粘度为120%以下。 根据本发明,可以简单有效地制造外观良好的复合层叠膜。