TY - GEN
T1 - Simultaneous measurement of polymerization stress evolution, conversion kinetics, and exotherm in real-time
AU - Wang, Zhengzhi
AU - Landis, Forrest A.
AU - Giuseppetti, Anthony A.M.
AU - Lin-Gibson, Sheng
AU - Chiang, Martin Y.M.
PY - 2016/1/1
Y1 - 2016/1/1
N2 - Photopolymerized composites are used in a broad range of applications with their performance largely directed by reaction kinetics and contraction accompanying polymerization. Herein, we demonstrate an instrument capable of simultaneously collecting multiple kinetics parameters for a wide range of photopolymerizable systems: degree of conversion (DC), reaction exotherm, and polymerization stress (PS). Our system consists of a cantilever beam-based instrument (tensometer) that has been optimized to capture a large range of stresses. The sample configuration allows the tensometer being coupled to a fast near infrared (NIR) spectrometer collecting spectra in transmission. Using our instrument design, simultaneous measurements of PS, DC, and exotherm are performed, for the first time, on a commercial composite with ~80 % (by mass) silica particle fillers. This new system is expected to provide new insights into kinetics and property relationships for photopolymerized composites.
AB - Photopolymerized composites are used in a broad range of applications with their performance largely directed by reaction kinetics and contraction accompanying polymerization. Herein, we demonstrate an instrument capable of simultaneously collecting multiple kinetics parameters for a wide range of photopolymerizable systems: degree of conversion (DC), reaction exotherm, and polymerization stress (PS). Our system consists of a cantilever beam-based instrument (tensometer) that has been optimized to capture a large range of stresses. The sample configuration allows the tensometer being coupled to a fast near infrared (NIR) spectrometer collecting spectra in transmission. Using our instrument design, simultaneous measurements of PS, DC, and exotherm are performed, for the first time, on a commercial composite with ~80 % (by mass) silica particle fillers. This new system is expected to provide new insights into kinetics and property relationships for photopolymerized composites.
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U2 - 10.1007/978-3-319-22449-7_18
DO - 10.1007/978-3-319-22449-7_18
M3 - Conference contribution
AN - SCOPUS:84951995588
SN - 9783319224480
T3 - Conference Proceedings of the Society for Experimental Mechanics Series
SP - 149
EP - 153
BT - Experimental and Applied Mechanics - Proceedings of the 2015 Annual Conference on Experimental and Applied Mechanics
A2 - Considine, John
A2 - Sciammarella, Cesar
A2 - Gloeckner, Paul
PB - Springer New York LLC
T2 - SEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2015
Y2 - 8 June 2015 through 11 June 2015
ER -