The present invention relates to using lithium salts of an organic material having 2 to 30 carbon atoms and at least one carboxylic acid in a rigid polyurethane formulation to produce foams having energy absorbing properties and methods of preparing rigid polyurethane foams.
本发明涉及在硬质聚
氨酯配方中使用具有 2 至 30 个碳原子和至少一种
羧酸的有 机材料的
锂盐来生产具有能量吸收特性的泡沫,以及制备硬质聚
氨酯泡沫的方法。