Carbon fibres from a SO2 treated PAN precursor
✍ Scribed by S Błażewicz
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 446 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0008-6223
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✦ Synopsis
The paper describes the mechanism of stabilization and conversion of PAN fibres preliminarily oxidized with SO, to carbon fibres. Elementary analysis, IR and mass spectrographic analysis are used to determine the development of PAN structure at various stages of stabilization. The effect of the stabilization conditions in continuous processing upon the tensile strength of carbon fibres has been shown. Shrinkage measurements during the stabilization and carbonization have been taken. Thus, a relationship between the tensile strength and shrinkage produced during the carbonization has been demonstrated.
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A~~act-Surface characteristics of the three types of commercial carbon fibres from PAN, in both treated and untreated forms, have been investigated along with a series of high modulus (HM) fibres oxidised in HNO,. N, adsorption isotherms have been used to elucidate physical characteristics and Oz ch
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