交联型聚氨酯阻尼材料性能研究

朱聪,杜瑞春,张秋红,赵祝萱,李维智,贾叙东

Study on the damping properties of cross⁃linking polyurethanes

Cong Zhu,Ruichun Du,Qiuhong Zhang,Zhuxuan Zhao,Weizhi Li,Xudong Jia

表3 不同官能度聚醚多元醇含量聚氨酯组成和性能

Table 3 Composition and properties of polyurethane with different?functional polyether polyols

Sample PPG2000 (mol) GP330 (mol) BDO (mol) tanδ max tA (K) ρ (mol?m-3) PU?1 2 2 8 1.28 63.93 369 PU?6 2.25 1.833 8 1.22 61.77 787 PU?7 1.75 2.167 8 1.18 59.40 797