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- W2356897777 abstract "By the comparative differential scanning oalorimetry (CDSC) method, the heat evolution of the acrylonitrile (AN) /itaoonic aoid (IA) /methl aery late (MA) oopolymerio fibre during the initial stages of pyrolysis was studied in nitrogen atmosphere. From the CDSC measurements, it was observed that the sharp intense exotherm, occurring on a temperature-programmed pyrolysis, was related to the reaction of nitrile groups in the fibre. A first order kinetic equation was deduced for the thermal degradation of the AN/IA/MA oopolymerio fibre studied. Eelevant kinetic parameters of exo-thermie process were obtainedand discussed. For the sample of Jilin Eesearch Institute of Chemical Technology, it was shown that cyolization occurred mainly; the oyolization activation energy was calculated to be 91.030kJ/mol. and the apparent activation energy was determined. Wherefore, we believe that the results are valuable and may play an important role in the improvement of the operating condition of the stabilization of polyacrylonitrile (PAN) precursors on the industrial scale." @default.
- W2356897777 created "2016-06-24" @default.
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- W2356897777 date "1990-01-01" @default.
- W2356897777 modified "2023-09-25" @default.
- W2356897777 title "THE INVESTIGATION OF THE HEAT EVOLUTION OF AN/IA/MA COPOLYMERIC FIBRE DURING THE INITIAL STAGES OF PYROLYSIS BY CDSC METHOD" @default.
- W2356897777 hasPublicationYear "1990" @default.
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