ADHESIVE
    8.
    发明申请
    ADHESIVE 审中-公开
    胶粘剂

    公开(公告)号:US20110004241A1

    公开(公告)日:2011-01-06

    申请号:US12867604

    申请日:2009-02-06

    摘要: Methods comprising: providing a migrate-sensitive substrate having a surface to be bonded; providing an adhesive formulation comprising an isocyanate-terminated polyurethane prepolymer containing one or more tertiary amino groups; and forming a migrate-free adhesive bond between the surface of the migrate-sensitive substrate and a second surface; as well as adhesive formulations comprising an isocyanate-terminated polyurethane prepolymer containing one or more tertiary amino groups; and wound closure systems comprising such an adhesive formulation.

    摘要翻译: 方法包括:提供具有待结合表面的迁移敏感性基材; 提供包含含有一个或多个叔氨基的异氰酸酯封端的聚氨酯预聚物的粘合剂制剂; 以及在所述迁移敏感性基材的表面和第二表面之间形成无迁移的粘合剂粘合; 以及包含含有一个或多个叔氨基的异氰酸酯封端的聚氨酯预聚物的粘合剂制剂; 和包含这种粘合剂制剂的伤口闭合系统。

    Polyisocyanate mixtures, processes for preparing the same and uses therefor
    10.
    发明授权
    Polyisocyanate mixtures, processes for preparing the same and uses therefor 有权
    多异氰酸酯混合物,其制备方法和用途

    公开(公告)号:US07985479B2

    公开(公告)日:2011-07-26

    申请号:US12143283

    申请日:2008-06-20

    IPC分类号: B32B27/40 C08G18/76 B35C5/00

    摘要: Polyisocyanate mixtures, their preparation by reacting aromatic polyisocyanate mixtures and nitrogen-containing polyetherol mixtures, and their use as an isocyanate component for the preparation of moisture-curing adhesives, said polyisocyanate mixtures comprising: (A) 15 to 35 wt. % of diphenylmethane diisocyanate with 2 aromatic rings; (3) 10 to 30 wt. % of polymeric diphenylmethane diisocyanate with 3 or more aromatic rings; and (C) 40 to 75 wt. % of an isocyanate-functional polyurethane; wherein the polyisocyanate mixture has an isocyanate content of 12 to 20 wt. %, an isocyanate functionality of >2.4, a viscosity of

    摘要翻译: 多异氰酸酯混合物,它们通过使芳族多异氰酸酯混合物和含氮聚醚醚混合物反应制备,以及它们作为用于制备湿固化粘合剂的异氰酸酯组分的用途,所述多异氰酸酯混合物包含:(A)15至35重量% %二苯基甲烷二异氰酸酯与2个芳环; (3)10〜30重量% %的具有3个或更多芳环的聚合二苯基甲烷二异氰酸酯; 和(C)40〜75重量% %的异氰酸酯官能聚氨酯; 其中所述多异氰酸酯混合物的异氰酸酯含量为12〜20wt。 %,异氰酸酯官能度> 2.4,在25℃粘度<10,000mPa·s,剪切速率80l / s。