Curing of Highly Loaded Ceramic Suspensions in Acrylates

The objective of this study is to use differential scanning calorimetry (DSC) to characterize the curing kinetics of Al2O3 and hydroxyapatite suspensions in acrylates. The heat evolution of the acrylate premix and ceramic suspensions in dynamic and isothermal curing was measured. The calculated acti...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2000-10, Vol.83 (10), p.2375-2380
Main Authors: Chu, Tien-Min Gabriel, Halloran, John W.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
curing
differential scanning calorimetry
Exact sciences and technology
Miscellaneous
suspensions
Technical ceramics
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Summary:The objective of this study is to use differential scanning calorimetry (DSC) to characterize the curing kinetics of Al2O3 and hydroxyapatite suspensions in acrylates. The heat evolution of the acrylate premix and ceramic suspensions in dynamic and isothermal curing was measured. The calculated activation energies for the acrylate premix and the two ceramic suspensions were 133, 74, and 78 kJ/mol, indicating a catalytic effect of the ceramic fillers. The curing behavior of the two ceramic suspensions modeled with the autocatalytic polymerization model with satisfactory results.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.2000.tb01564.x