Form factor analysis of differential thermal analysis curve for organic montmorillionite

CUI Hui-wang; DU Guan-ben

Volume 26 Issue 5

Oct. 2009

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CUI Hui-wang, DU Guan-ben. Form factor analysis of differential thermal analysis curve for organic montmorillionite[J]. Journal of Zhejiang A&F University, 2009, 26(5): 729-734.

Citation:

CUI Hui-wang, DU Guan-ben. Form factor analysis of differential thermal analysis curve for organic montmorillionite[J]. Journal of Zhejiang A&F University, 2009, 26(5): 729-734.

Form factor analysis of differential thermal analysis curve for organic montmorillionite

CUI Hui-wang^{１
,},
DU Guan-ben²

1.
College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;
2.
School of Wood Science and Technology，Southwest Forestry College，Kunming 650224，Yunnan，China

More Information

Corresponding author: CUI Hui-wang1
Publish Date: 2009-10-20

Abstract

Organic montmorillionite（OMMT）was prepared from octadecyl trimethyl ammonium bromide（STAB），dioctadecyl dimethyl ammonium bromide（DOAB），trioctadecyl methyl ammonium bromide（TOAB）and montmorillionite（MMT），and then studied by thermo gravimetry and differential thermal analysis（TG-DTA）. Results showed that the intercalation of OMMT was good，and the pyrolysis kinetic equations of MMT/STAB，MMT/DOAB and MMT/TOAB differed because of the different arrangement of STAB，DOAB and TOAB in layers of OMMT. Form factors（Ф） of DTA curves calculated from pyrolysis kinetics of OMMT indicated that the symmetry of DTA curve of MMT/STAB was better than that of MMT/DOAB and MMT/TOAB，and were identical with the DTA curves in TG-DTG-DTA.［Ch，5 fig. 1 tab. 15 ref.］
- forest engineering,
- organic montmorillionite（OMMT）,
- pyrolysis kinetics,
- differential thermal analysis（DTA）curve,
- form factor

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Form factor analysis of differential thermal analysis curve for organic montmorillionite

1. College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;

2. School of Wood Science and Technology，Southwest Forestry College，Kunming 650224，Yunnan，China

Corresponding author: CUI Hui-wang1

Publish Date: 2009-10-20

Key words:

forest engineering /
organic montmorillionite（OMMT） /
pyrolysis kinetics /
differential thermal analysis（DTA）curve /
form factor

Abstract: Organic montmorillionite（OMMT）was prepared from octadecyl trimethyl ammonium bromide（STAB），dioctadecyl dimethyl ammonium bromide（DOAB），trioctadecyl methyl ammonium bromide（TOAB）and montmorillionite（MMT），and then studied by thermo gravimetry and differential thermal analysis（TG-DTA）. Results showed that the intercalation of OMMT was good，and the pyrolysis kinetic equations of MMT/STAB，MMT/DOAB and MMT/TOAB differed because of the different arrangement of STAB，DOAB and TOAB in layers of OMMT. Form factors（Ф） of DTA curves calculated from pyrolysis kinetics of OMMT indicated that the symmetry of DTA curve of MMT/STAB was better than that of MMT/DOAB and MMT/TOAB，and were identical with the DTA curves in TG-DTG-DTA.［Ch，5 fig. 1 tab. 15 ref.］

Form factor analysis of differential thermal analysis curve for organic montmorillionite

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

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