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    • 84. 发明授权
    • Primer adhesion promoters, compositions and methods
    • 底漆粘合促进剂,组合物和方法
    • US07807016B2
    • 2010-10-05
    • US12033447
    • 2008-02-19
    • Dirk SchwöeppeArcangelo Bighetti
    • Dirk SchwöeppeArcangelo Bighetti
    • C09J175/00C08G18/00B32B27/40
    • C08G18/776C08G18/10C08G18/289C08G2190/00C09J5/02C09J175/04Y10T428/2843Y10T428/31551
    • The invention pertains to a method for bonding a first substrate to a second substrate, including the steps of (a) applying to one or both of the substrates a primer composition that includes an adhesion promoter, which is an adduct prepared by the reaction of at least one aromatic polyisocyanate compound with an active hydrogen moiety of an organofunctional silane (e.g., an aminosilane, a mercapto-silane, or a combination thereof); (b) applying an adhesive to at least one of the substrates; and (c) assembling the two substrates. Another aspect of the invention the adhesion promoter is incorporated into a primer composition that includes a polymeric prepolymer with a free isocyanate content, and more specifically, at least one prepolymer (derived from the reaction of at least one aliphatic polyisocyanate and a polyol), which is at least partially reacted with an amino group of an aminosilane, wherein the aminosilane includes a plurality of alkoxy groups bound to silicon. The invention also contemplates kits that include the primer described herein and at least one adhesive.
    • 本发明涉及一种将第一衬底粘结到第二衬底上的方法,包括以下步骤:(a)向一个或两个衬底施加底漆组合物,底漆组合物包括粘合促进剂,其是通过在 至少一种具有有机官能硅烷(例如氨基硅烷,巯基硅烷或其组合)的活性氢部分的芳族多异氰酸酯化合物; (b)将粘合剂施加到至少一个所述基底; 和(c)组装两个基板。 本发明的另一方面,将粘合促进剂掺入包括具有游离异氰酸酯含量的聚合物预聚物的底漆组合物中,更具体地说,至少一种预聚物(衍生自至少一种脂族多异氰酸酯和多元醇的反应),其中 至少部分地与氨基硅烷的氨基反应,其中氨基硅烷包括与硅结合的多个烷氧基。 本发明还考虑了包括本文所述的底漆和至少一种粘合剂的试剂盒。