Thermal stability and flammability of butadiene- acrylonitrile rubber cross-linked with iodoform |
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| Authors: | P Rybiński G Janowska W Antkowicz S Krauze |
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| Institution: | (1) Institute of Polymers, Technical University, Łódź, Poland;(2) Institute of Polymers, Technical University, Łódź,, Poland;(3) Institute of Polymers, Technical University, Łódź,, Poland;(4) Institute of Engineering of Textile Materials, Łódź,, Poland |
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| Abstract: | Summary The paper discusses the results of thermal analysis and flammability of butadiene-acrylonitrile rubber, Perbunan NT 1845 of Bayer, cross-linked with iodoform. The properties of the iodoform vulcanizate have been compared with those of peroxide vulcanizate. The thermal analysis has been performed in air with use of a derivatograph under air and nitrogen atmosphere as well as dynamic scanning calorimetry (DSC). The flammability of vulcanizates has been determined by the method of oxygen index and in air. The toxicity of the thermal decomposition and combustion products of the vulcanizates under investigation has been also determined. Based on complementary examinations, DTA and DSC curves have been interpreted from the point of view of thermal transitions of the conventionally and non-conventionally cross-linked nitrile rubbers. The glass transition temperature of the cross-linked polymer both in cooling and heating has been determined. |
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| Keywords: | thermal properties elastomer flammability combustion products of elastomer toxicity of thermal decomposition |
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