Physical properties of polyacrylonitrile fibres treated with organotin compounds |
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| Authors: | Daniel Cohen Gad Marom Albert Zilkha |
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| Institution: | Casali Institute of Applied Chemistry, The Hebrew University, Jerusalem, Israel;Department of Organic Chemistry, The Hebrew University, Jerusalem, Israel |
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| Abstract: | A study was made of the effect of the polymerization of the nitrile groups of polyacrylonitrile by organotin compounds on the coloration and on the physical properties of PAN fibres. It is shown that, by controlling reaction parameters such as concentrations, temperature, solvent and type of organotin compound, it is possible to control the coloration of the fibres. Application of this reaction to the fibres results in an increase in their elongation at break with retention of the original modulus and ultimate strength; also, their thermal stability is enhanced. |
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