STRUCTURAL POLYURETHANE ADHESIVE HAVING GOOD ADHESION AFTER SHORT-DURATION HEATING

The present invention relates to a two-component polyurethane adhesive consisting of a polyol component K1 and a polyisocyanate component K2; wherein the polyol component K1 comprises at least one diol A1 having two primary hydroxyl groups and a molecular weight in the range from 60 to 150 g/mol, at least one triol A2 having an average molecular weight in the range from 1000 to 10,000 g/mol, at least one polyester polyol A3 based on dimer fatty acids and/or dimer fatty alcohols, in particular based on dimer fatty acids; and the polyisocyanate component K2 comprises - at least one polyisocyanate B1 and/or at least one isocyanate-containing polyurethane polymer B2. 本发明涉及一种双组分聚氨酯粘合剂，其由多元醇组分K1和多异氰酸酯组分K2组成；其中该多元醇组分K1包含-至少一种具有两个伯羟基且分子量为60-150g/mol的二元醇A1，-至少一种平均分子量为1000-10000g/mol的三元醇A2，-至少一种基于二聚脂肪酸和/或二聚脂肪醇，尤其是基于二聚脂肪酸的聚酯多元醇A3；和该多异氰酸酯组分K2包含-至少一种多异氰酸酯B1和/或-至少一种具有异氰酸酯基团的聚氨酯聚合物B2。