. Author manuscript; available in PMC: 2012 Dec 13.

Published in final edited form as: Macromolecules. 2011 Dec 13;44(23):9084–9090. doi: 10.1021/ma2018809

Table 1.

Shrinkage stress values for PETMP-HDY-EBPADMA cured resins with off stoichiometric thiol-yne ratios and fixing methacrylate amount (the functional group of thiol:yne:methacrylate = x:y:2.7). The systems were initiated with 1.0 wt% Irgacure 184, and cured by 365nm light at 10mW/cm²

Functional group ratio Thiol: Yne: Methacrylate	Shrinkage stress (MPa)

1.5: 1: 2.7	1.4 ± 0.01
2: 1: 2.7	1.2 ± 0.01
2.5: 1: 2.7	1.1 ± 0.01

1.5: 1.5: 2.7	1.3 ± 0.01
2: 1: 2.7	1.2 ± 0.01
2.5: 0.5: 2.7	1.0 ± 0.01