Cardona, F. and Rogers, D. and Van Erp, G. (2007) Investigation by TGA-FTIR of the effect of styrene content and thickness on the UV-curing of vinylester resins. Journal of Thermoplastic Composite Materials, 20 (6). pp. 601-615. ISSN 0892-7057
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Official URL: http://jtc.sagepub.com/content/20/6/601.full.pdf+html
Identification Number or DOI: doi: 10.1177/0892705707083950
Abstract
The influence of styrene content and thickness of the samples on the UV curing of Vinyl ester/Styrene resins (VERs) was investigated by DSC and the combination of TGA and FT-IR (TGA-FTIR). The glass transition temperatures of the network polymers after curing were found to be lower for the VERs with higher styrene content. The released heat during UV curing further increased the Tg, with this increase being proportional to the volume of the resins. Within the range of thickness investigated (up to 30 mm) the relative amount of emissions of ST, VE and CO2 were found to be the similar at the top and at the bottom of the samples. Similar results were obtained from the TGA analysis, indicating that the VERs were fully or almost fully cured all along the cross section. A good correlation was found between the analysis of the thermal properties by DSC and the results obtained by the TGA-FTIR system.
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Additional Information: | Author version deposited in accordance with the copyright policy of the publisher. By the same main author there are three other papers that cover the comparison of thermal and UV- initiated curing of the same vinyester resins. Refer to these papers for a more convergence analysis of the VE resins. Copyright Sage. |
| Uncontrolled Keywords: | TGA-FTIR; styrene; vinylester; UV curing; Tg; heat released; crosslink density |
| Fields of Research (FOR2008): | 09 Engineering > 0905 Civil Engineering > 090503 Construction Materials 09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials 09 Engineering > 0912 Materials Engineering > 091209 Polymers and Plastics |
| Subjects: | 290000 Engineering and Technology > 291400 Materials Engineering > 291402 Composite Materials 290000 Engineering and Technology > 291400 Materials Engineering > 291401 Polymers |
| Socio-Economic Objective (SEO2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering |
| ID Code: | 3141 |
| Deposited By: | |
| Deposited On: | 11 Apr 2008 14:05 |
| Last Modified: | 09 May 2012 15:54 |
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