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    • 3. 发明专利
    • AT364054T
    • 2007-06-15
    • AT05018744
    • 2005-08-30
    • BAYER MATERIALSCIENCE AG
    • WINTERMANTEL MATTHIASGUERTLER CHRISTOPHSCHELHAAS MICHAELTRINKS RAINERMECKEL WALTER
    • C08G18/80C09J175/12
    • Reactive systems (A) comprises one or more blocked polyurethane prepolymer (A1) (based on aromatic, aliphatic, araliphatic and/or cyclo-aliphatic diisocyanate (B1), a polyol component (B2) and CH azide cyclic ketone (I)); one or more OH-functionalized compounds (A2); and optionally catalysts (A3) and further additives (A4). Reactive systems (A) comprises: one or more blocked polyurethane prepolymer (A1) (based on aromatic, aliphatic, araliphatic and/or cyclo-aliphatic diisocyanate with a free isocyanate (NCO) groups of 5-60 wt.%) (B1), a polyol component (B2) (containing at least a polyester polyol, a polyetherpolyol and/or a polycarbonate polyol) and CH azide cyclic ketone of formula (I) (where n is a blocking agent), where the isocyanate group containing blocked NCO groups of 0.1-20 wt.%; one or more OH-functionalized compounds (A2) (where the OH component is activated by beta -end amine component); and optionally catalysts (A3) and further additives (A4). X : electron with drawing group; R 1>, R 2>H, 1-20C (cyclo)alkyl, 6-24C aryl, 1-20C (cyclo)alkyl ester, 6-24C arylester or amide, mixed 1-24C aliphatic/aromatic residues (which can be also part 4-8 linear ring); and n : 0-5. Independent claims are also included for: (1) the preparation of (A); (2) preparation of composite systems, comprises coating either one- or both sides of the joining parts with (A); and (3) composite systems obtained by the method. [Image].