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Citation: Wang zhu, Zhu Ling-Feng, Zhang Guo-Bao, Zhao Gen-Suo, Zhu Yan. Investigation of the Thermal Decomposition Kinetics of Modified Carboxyl Hydroxypropyl Sesbania Gum[J]. Acta Physico-Chimica Sinica, ;1996, 12(07): 598-603. doi: 10.3866/PKU.WHXB19960705 shu

Investigation of the Thermal Decomposition Kinetics of Modified Carboxyl Hydroxypropyl Sesbania Gum

1.
The Henan Institute of Chemistry,Zhengzhou 450003

Received Date: 23 November 1995
Available Online: 15 July 1996

The viscosities of hydroxypropyl Sesbania Gum, carboxyl hydroxypropyl Sesbania Gum and modified carboxyl hydroxypropyl Sesbania Gum at different temperatures and their pyrolysis kinetics have been studied. The kinetic parameters under air and N2 were calculated. The heat-stability of the modified carboxyl hydroxypropyl Sesbania Gum was carefully studied. The results indicate that the viscosity heat-stability and heatstability for pyrolysis of modified carboxyl hydroxypopyl Sesbania Gum surpassed those of hydroxypropyl and carboxylhydroxypropyl Sesbania Gum. The results also indicate that the mechanism of thermal decomposition can be described by the model of random initation.
- Heat-stability,
- Kinetics of thermal decompositon,
- Polysaccharide,
- Pyrolysis
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