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Synthesis and degradation kinetics of a novel polyester containing bithiazole rings
He W(何伟); Jiang YY(姜莹莹); Luyt, A.S.; Ocaya, R.O; Ge TJ(葛铁军)
作者部门机器人学研究室
关键词Activation Energy Complexation Degradation Esters Fourier Transform Infrared Spectroscopy Functional Groups Integral Equations Kinetics Polycondensation Polyesters Pyrolysis Synthesis (Chemical) x Ray Diffraction x Ray Diffraction Analysis
发表期刊Thermochimica Acta
ISSN0040-6031
2011
卷号525期号:1-2页码:9-15
收录类别EI
EI收录号20114014398585
产权排序1
摘要A novel Schiff base type polyester containing 2,2′-diamino-4, 4′-bithiazole (DABT) was prepared by low-temperature interface polycondensation of 1,4-benzenedicarbonyl dichloride with 4,4′-(4, 4′-bithiazole-2,2′-diylbis(imine-2,1-diyl) diphenol (BDDP), which is derived from a 2,2′-diamino-4,4′-bithiazole (DABT) Schiff base reacted with a 4-hydroxybenzaldehyde monomer. The newly generated polyester was characterized by FTIR spectroscopy, elemental analysis, and X-ray diffraction spectroscopy. The thermal decomposition was investigated in nitrogen atmosphere using thermogravimetric analysis. The activation energies of the decomposition step of the polyester were calculated through the isoconversional methods of Kissinger-Akahira-Sunose (K-A-S) and the iterative equation. In order to estimate the reaction model that best describes the experimental data, the use of an empirical kinetic equation based on that proposed by Sestak-Berggren was investigated here. On the basis of the kinetic data, the life time estimates for the polyester generated from the weight loss of 5%, 10%, and 15% were also constructed.
语种英语
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/10623
专题机器人学研究室
作者单位1.Research Center of Plastic Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
2.State Key Laboratory of Robotics, China
3.Department of Chemistry, University of the Free State (Qwaqwa Campus), Private Bag X13, Phuthaditjhaba 9866, South Africa
4.Department of Physics, University of the Free State (Qwaqwa Campus), Private Bag X13, Phuthaditjhaba 9866, South Africa
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GB/T 7714
He W,Jiang YY,Luyt, A.S.,et al. Synthesis and degradation kinetics of a novel polyester containing bithiazole rings[J]. Thermochimica Acta,2011,525(1-2):9-15.
APA He W,Jiang YY,Luyt, A.S.,Ocaya, R.O,&Ge TJ.(2011).Synthesis and degradation kinetics of a novel polyester containing bithiazole rings.Thermochimica Acta,525(1-2),9-15.
MLA He W,et al."Synthesis and degradation kinetics of a novel polyester containing bithiazole rings".Thermochimica Acta 525.1-2(2011):9-15.
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