Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 95: Issue 2
Differential scanning calorimetric study on free-radical polymerization of gem -dinitroalkyl acrylates and methacrylate
Authors:
G. Zhang Beijing Institute of Technology School of Chemical Engineering and the Environment Beijing 100081 China

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S. Du Beijing Institute of Technology School of Chemical Engineering and the Environment Beijing 100081 China

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J. Wang Beijing Institute of Technology School of Chemical Engineering and the Environment Beijing 100081 China

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X. Wang China Academy of Engineering Physics Institute of Chemical Materials Mianyang 621900 China

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Pages:
433–436
Online Publication Date:
12 Mar 2009
Publication Date:
01 Feb 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-008-9254-1
Keywords:
DSC; free-radical polymerization; gem-dinitroalkyl acrylate; kinetics
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Abstract  

2,2-dinitropropyl acrylate (DNPA), 2,2-dinitrobutyl acrylate (DNBA) and 2,2-dinitrobutyl methacrylate (DNBMA) were synthesized and the kinetics of their free-radical polymerization in the presence of 2,2′-azobisisobutyronitrile (AIBN) were investigated by DSC in the non-isothermal mode. The kinetics of the free-radical polymerization as estimated by the Kissinger and Ozawa methods showed that the reaction is disfavoured by increasing steric hindrance around the acrylyl double bond. The rate constants calculated from the activation parameters showed the structural dependency. The polymerization kinetics revealed that the polymerizability of three monomers decreased due to the presence of substituent methyl groups on the acrylyl double bond and 2,2-dinitrobutyl on ester group. Thus, the polymerization tendency increased in the order DNPA>DNBA>DNBMA.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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