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2 不同PAPI和BDO含量聚氨酯组成和性能

Table 2 Composition and properties of polyurethane with different PAPI and BDO amount

Sample TDI(mol) PAPI(mol) BDO(mol) tanδ max tA(K) ρ(mol?m-3) PU?1 7.88 1.57 8.00 1.28 63.93 369 PU?4 7.88 0.44 5.56 1.36 62.99 461 PU?5 7.88 2.52 10.05 1.18 57.90 478