欢迎登录材料期刊网

材料期刊网

高级检索

对高熔点聚碳硅烷的合成反应条件进行了较为详细的研究,并通过改变化学反应的温度、压力和反应时间制备出了熔点高达380℃、数均分子量Mn>3 000、陶瓷收率达79%(质量分数)以上的陶瓷先驱体聚合物.该先驱体溶解性能好,并具有良好的纺丝性能.文中还利用IR、TG-DTA等手段对该先驱体的热解机理进行了初步探讨.

参考文献

[1] Yajima S;Iwai T;Yamamura T;Okamura K, Hasegawa Y .Synthesis of a polytitanacarbosilane and its conversion into inorganic compounds[J].Journal of Materials Science,1981,16:1349-1355.
[2] Song Y C;Hasegawa Y;Yang S J;Sato M .Ceramic fibers from polymer polycusor containing Si-O-Ti bonds,Part 1.The formation mechanism and the pyrol ysis of the polymer[J].Journal of Materials Science,1991,26:3658-3664.
[3] Toshio S;Toshihide H;Michio T et al.High-temperature de composition of low-oxygenSiC fiber under N2 atmosphere[J].Journal of the Ceramic Society of Japan,1994,102(12):1142-1147.
[4] Takeda M;Imai Y;Ichikawa;Toshikatsu Ishikawa .Properties of the Low ox ygen content SiC fibers on high temperature heat treatment[J].Ceramic Engineering and Science Proceedings,1991,12:1007-1018.
[5] Lipowitz J;Barnard I;Bujalski D;Rabe J,Zank G .Fine-diameterpolyc rystalline SiC fibers[J].Comps Science Tcch,1994,51:167-171.
[6] Clegg W J;Birchall J D .[P].EP:363054
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%