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Journal of Materials Science

, Volume 44, Issue 3, pp 721–725 | Cite as

Effect of curing and pyrolysis processing on the ceramic yield of a highly branched polycarbosilane

  • Houbu LiEmail author
  • Litong Zhang
  • Laifei Cheng
  • Zhaoju Yu
  • Muhe Huang
  • Huibin Tu
  • Haiping Xia
Article

Abstract

In this article, the influence of curing processing on the final ceramic yield of a highly branched polycarbosilane is discussed. Effect of pyrolysis conditions on the ceramic residue is also investigated. The results show that post-treatment can highly increase the crosslinking degree and pyrolysis yield, but has little influence on the final ceramic yield. The heating rate between 170 and 200 °C shows a little effect on the ceramic residue. Adding the catalyst into polymer, pyrolysizing with the gas pressure and improving the heating rate during the pyrolysis process can efficiently increase the final ceramic yield.

Keywords

Pyrolysis Polymer Precursor Lithium Aluminum Hydride Allyl Chloride Pyrolysis Condition 

Notes

Acknowledgement

The project was supported by the Natural Science Foundation of Fujian Province of China (No. E0510002).

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Houbu Li
    • 1
    Email author
  • Litong Zhang
    • 1
  • Laifei Cheng
    • 1
  • Zhaoju Yu
    • 2
  • Muhe Huang
    • 2
  • Huibin Tu
    • 2
  • Haiping Xia
    • 2
  1. 1.National Key Laboratory of Thermostructure Composite MaterialsNorthwestern Polytechnical UniversityXi’anChina
  2. 2.Department of Materials Science, Advanced Materials Laboratory, Engineering College of Chemistry and Chemical EngineeringXiamen UniversityXiamenChina

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