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    • 10. 发明申请
    • POLYUREA ADHESIVE
    • 聚氨酯胶粘剂
    • US20100021676A1
    • 2010-01-28
    • US12439293
    • 2006-10-27
    • Philippe Laubry
    • Philippe Laubry
    • C09J175/02B32B37/12B29C73/00B32B25/08B32B5/02
    • C08G18/792C08G18/281C08G18/3868C08G18/5027C08G18/6685C08G2380/00C09J175/02Y10T428/20Y10T428/31569Y10T442/60
    • A polyurea adhesive composition that is obtainable by reaction of reaction components that include a polyisocyanate comprising isocyanurate rings, the polyisocyanate having a functionality equal to or greater than 3, a polyamine having an average molecular weight greater than about 500 dalton and a carboxylic acid. Additionally, the reaction components may comprise an aromatic diamine chain extender. The molar ratio of the isocyanate groups to whole amine and carboxylic acid functions of the reaction components is between 1.5 and 3.5. Further provided is an article comprising a component bonded to the article with the polyurea adhesive described above. The bonded faces between the component and the article may be of cross-linked rubber composition. The article may be, for example, a tire, a tread band and/or a patch applied to the tire.
    • 一种聚脲粘合剂组合物,其可通过包括包含异氰脲酸酯环的多异氰酸酯的反应组分的反应获得,所述多异氰酸酯具有等于或大于3的官能度,平均分子量大于约500道尔顿的聚胺和羧酸。 另外,反应组分可以包含芳族二胺增链剂。 异氰酸酯基团与全部胺的摩尔比和反应组分的羧酸官能度在1.5和3.5之间。 还提供了一种制品,其包括用上述聚脲粘合剂粘合到制品上的组分。 组分和制品之间的粘合面可以是交联橡胶组合物。 制品可以是例如轮胎,胎面带和/或贴在轮胎上的贴片。