A new kind of conjugated polymer, acetylenic polysilazane was prepared by ammono- lysis of acetylenic dimethylchlorosilane. The polymer was characterized by 29Si、13C NMR and elemental analysis.
A new kind of polytitanosilazane precursor PTSZ for Si/C/N/Ti-based ceramic was synthesized from the condensation reaction of silazane lithium salt and titanium tetrachloride (TiCl4). The results indicated that the c...A new kind of polytitanosilazane precursor PTSZ for Si/C/N/Ti-based ceramic was synthesized from the condensation reaction of silazane lithium salt and titanium tetrachloride (TiCl4). The results indicated that the ceramic yield of PTSZ was much higher than that of corresponding silazane oligomer.展开更多
文摘A new kind of conjugated polymer, acetylenic polysilazane was prepared by ammono- lysis of acetylenic dimethylchlorosilane. The polymer was characterized by 29Si、13C NMR and elemental analysis.
基金support of the National Natural Science Foundation of China(No.50072033)the Chinese Academy of Sciences(CXJJ-10).
文摘A new kind of polytitanosilazane precursor PTSZ for Si/C/N/Ti-based ceramic was synthesized from the condensation reaction of silazane lithium salt and titanium tetrachloride (TiCl4). The results indicated that the ceramic yield of PTSZ was much higher than that of corresponding silazane oligomer.