本发明涉及室温下稳定，但在更高温度下的快速设置，热固性聚氨酯脲反应性粘合剂组合物，其特征在于使用为0，1 - 改性的表面的NCO基团的25％，稳定的，细分散的聚异氰酸酯延迟反应性较高和/顺序 低分子量的聚胺，任选地另外的多元醇作反应性组分。 这些热固化性粘合剂组合物的一个基本特征是在室温下的储存稳定性和在已经相对较低的烘烤温度下它们自发粘度增加，从而避免了即使在较高温度应用到在加热时间的垂直表面，以及固化快，并且其增强的粘合性能发生粘合剂 以及它们的改进的粘附性能。 特别是，使用了表面改性的多异氰酸酯，其已通过用聚胺，脒和/或胍化合物，肼，烷基肼和/顺序酰肼的NCO基团的0.1至25重量％的改性稳定化。 聚胺可以存在于比更高分子量的脂肪族和/或芳族多胺和/或低分子量（芳族的）多胺扩链剂聚氨酯脲粘合剂的反应性组合物。 除了多胺的多元醇，可以使用，在适当情况下，低和/或相对高的分子量，但是，在反应性组合物中使用的多胺的是强制性的要求。 包括粘合剂组合物，优选在悬浮液中的高分子量多元醇和低分子量和/或较高分子量多胺的表面改性的多异氰酸酯，优选低分子量的二胺作为链增长剂，进行混合。 该粘合剂反应系统优选具有<= 2.1的官能度。

The invention relates to stable at room temperature, but at a higher temperature fast-setting, thermosetting polyurethane urea reactive adhesive compositions, characterized by the use of about 0, 1 - 25% of the NCO groups surface-modified, stabilized, finely divided polyisocyanates retarded reactivity in higher and / order low molecular weight polyamines, optionally additionally polyols as reactive components. An essential feature of these heat-curing adhesive compositions is their storage stability at room temperature and their spontaneous increase in viscosity at already relative low baking temperatures, thereby avoiding that the adhesive occurs at application on vertical surfaces during the heat-up time, as well as fast curing and enhanced adhesion properties even at higher temperatures and its improved adhesion. It in particular surface-modified polyisocyanates are used which have been stabilized by modification of 0.1 to 25 wt .-% of the NCO groups with polyamines, amidine and / or guanidine compounds, hydrazine, alkylhydrazines and / order hydrazide compounds. The polyamines may be present as higher molecular aliphatic and or aromatic polyamines and / or low molecular weight (aromatic) polyamine chain extender in the polyurethane urea adhesive reactive mass. In addition to the polyamines polyols can be used, where appropriate, low and / or high molecular weight, however, the use of polyamines in the reactive composition is mandatory claimed. So also an adhesive composition is preferred in suspending the surface-modified polyisocyanates in high molecular weight polyols and with low molecular weight and / or high molecular weight polyamines, preferably low molecular weight diamine chain extender, mixed. The adhesive reactive systems preferably have a functionality of ≥ 2.1.