Supporting information Synthesis and Characterization of Phenyl Polysiloxane Modified Polyurea/Polyurethanes Sixi Xu, Lisha Xie, Xuecheng Yu, Ying Xiong*, Hongding Tang* College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China 100 3620 3430 T/% 80 A 1430 1260 804 60 993 1022 1124 40 3500 3000 2500 2000 Wavenumber/cm 1500 -1 1000 500 FIGURE S1. Characterization of PMPS-OH: (A) FT-IR Spectra; (B) 1H NMR; (C) 13 C NMR 100 80 T/% 1591 3434 60 40 1259 1191 20 0 1078 A 3500 3000 2500 2000 Wavenumbers/cm 1500 -1 1000 500 FIGURE S2. Characterization of PMPS-NH: (A) FT-IR Spectra; (B) 1H NMR; (C) 13 C NMR 100 A 3449 3346 930 T/% 90 1374 1526 1449 80 1716 2264 70 4000 3500 3000 2500 1099 2000 Wavenumber/cm 1500 -1 1000 500 FIGURE S3. Characterization of PU: (A) FT-IR Spectra; (B) 1H NMR; (C) 13C NMR 100 A 929 90 3426 80 843 3336 T/% 70 808 700 60 1257 1715 50 1515 1034 1633 40 1099 2264 30 20 4000 3500 3000 2500 2000 Wavenumber/cm 1500 -1 1000 500 FIGURE S4. Characterization of SPU-2: (A) FT-IR Spectra; (B) 1H NMR; (C) NMR FIGURE S5. The equipment of the hydrogen volume method 13 C FIGURE S6. The DSC curves of PU and SPUs