The presently claimed invention is directed to a polyurea copolymer obtained by reacting an isocyanate mixture and at least one at least one secondary amine having at least two amine functionalities; wherein the isocyanate mixture (A) has an average NCO functionality of ≥ 2.10.
                            目前所声称的发明涉及通过反应
异氰酸酯混合物和至少一种具有至少两个胺官能团的次要胺之一来获得聚
氨酯
脲共聚物;其中
异氰酸酯混合物(A)的平均NCO官能度≥2.10。