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- W2361133335 abstract "The thermal decomposition process and mechanism of poly(BAMO)(3,3-diazidomethyl oxetane) and poly(AMMO)(3-azidomethyl-3-methyl oxetane)(BAMO-AMMO) copolymer were investigated by means of DSC,TG-DTG,heating in-situ cell/FTIR,and thermolysis/mass spectrograph.The decomposition mechanism of BAMO-AMMO was proposed.The results show that the break of C-N3 bond happens with the exothermic decomposition peak and releases N2 gas.The exothermic decomposition peak appears at 260.3 ℃,and the exothermic enthalpy is 1 663 J/g.Other decompositions arise from the break of C-N3 bond,and at last BAMO-AMMO is decomposed into CO2,N2,gas aldehyde compound and carbon.The thermal decomposition reaction kinetics of BAMO-AMMO was investigated by means of DSC in a temperature-programmed mode at the temperature rise rates of 2.5,5,10 and 20 ℃/min.The apparent activation energy and pre-exponential factor of the major decomposition reaction were calculated using Kissinger equation,Ozawa equation and Coats-Redfern equation.The apparent activation energy is 164.2 kJ/mol,and the pre-exponential factor is 1014.14 s-1.The results indicate that the major decomposition of BAMO-AMMO has the characteristic of local chemical reaction.And the reaction kinetics follow the Avrami-Erofeyev equation(n=1.5).The kinetic equation of the decomposition process is expressed as: dα/dt=2.071×1014exp(-1.975×104/T)(1-α)[-ln(1-α)1/3]." @default.
- W2361133335 created "2016-06-24" @default.
- W2361133335 creator A5036458797 @default.
- W2361133335 date "2011-01-01" @default.
- W2361133335 modified "2023-09-24" @default.
- W2361133335 title "Thermal Decomposition Mechanism and Non-isothermal Pyrolysis Kinetic Analysis of BAMO-AMMO Copolymer" @default.
- W2361133335 hasPublicationYear "2011" @default.
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