financially supported by the National Natural Science Foundation of China (Nos. 51673110 and 51473085);the Joint Funds of the National Natural Science Foundation of China (No. U1862205);Tsinghua University-Suzhou Innovation Leading Program (No. 2016SZ0315)
A well-defined quadruple hydrogen bonding strategy involving dimerization of 2-ureido-4[1H]-pyrimidone(UPy)units is innovatively designed to prepare polyureas with high overall mechanical properties.Three polyureas co...