Journal
JOURNAL OF POLYMER ENGINEERING
Volume 39, Issue 2, Pages 105-116Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/polyeng-2018-0089
Keywords
electrostatic interaction; PMMA; silica aerogel; thermal degradation kinetics
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Funding
- National Natural Science Foundation of China [51503141, 51772202, 10.13039/501100001809]
- Natural Science Foundation of Tianjin [18JCQNJC03000]
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The thermo-oxidative and thermal degradation kinetic parameters of polymethyl methacrylate-methacryloxyethyltrimethyl ammonium chloride/silica aerogel composites (PMMA-MTC/SA) were investigated in this paper and were compared with the thermal stability and thermal conductivity of different types of composites. As a composite with electrostatic interaction, the thermo-oxidative and thermal degradation activation energies (E) of PMMA-MTC/SA were 173.97 and 188.05 kJ/mol, respectively. The results indicated that the electrostatic interaction could indeed enhance the thermal stability of silica/polymethyl methacrylate composites on the premise of good mechanical properties and heat insulation performance. It is of great significance for the further development of silica-based thermal insulation composites.
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