The Characteristics of Modified Polycarbosilane by Different Organic Solvents 


Vol. 54,  No. 5, pp. 397-402, Oct.  2017
10.12772/TSE.2017.54.397


PDF
  Abstract

Silicon carbide (SiC) fiber with a high tensile strength and heat resistance was synthesized using polycarbosilane (PCS) precursor. The many research have been progressed to improve the spinnability and handling strength of PCS green fiber due to its brittle property by a low molecular weight. However, the study for the effect of various solvents, which is used to synthesize the PCS or to modify the PCS structure using additive is insufficient. Therefore, PCS modified by polymer blend method using various organic solvents such as para-xylene, meta-xylene, ortho-xylene, and cyclohexane. The thermal properties and GPC profile for the modified PCSs show the different interaction between PCS and solvent. The spinnability of PCSs was confirmed through apparent activation energy, calculated by Andrade equation, and spinning process. SiC fiber that is converted from blended PCS fibers with para-xylene and ortho-xylene show the same morphology containing the clean and smooth surface.

  Statistics
Cumulative Counts from November, 2022
Multiple requests among the same browser session are counted as one view. If you mouse over a chart, the values of data points will be shown.


Search
(IN TITLE, AUTHOR, ABSTRACT,KEYWORDS)

Advanced Search ▼

POPULAR KEYWORDS
(TOP 10 KEYWORDS)

Recent Publications
(LAST 3 YEARS)

pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)