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. Author manuscript; available in PMC: 2014 Jan 6.
Published in final edited form as: Dent Mater. 2012 Jul 7;28(9):10.1016/j.dental.2012.05.009. doi: 10.1016/j.dental.2012.05.009

Table 1.

Hoy's solubility parameters of the tested monomers. They represent index of the intermolecular forces that occurs between molecules. In particular, δd is the dispersive contribution (i.e. all non-polar contribution), δp the polar contribution, δh the hydrogen bond contribution and δt represents the total solubility parameter.

Abbreviations Chemical name Molecular Structure δd δp δh δt
TEGDMA Triethylene glycol dimethacrylate graphic file with name nihms523657t1.jpg 14.2 10.1 8.2 19.2
HEMA 2-hydroxyethyl methacrylate graphic file with name nihms523657t2.jpg 13.3 12.3 15.2 23.6
UDMA Urethane dimethacrylate graphic file with name nihms523657t3.jpg 17.0 12.4 2.8 21.3
2-MP Bis[2-(methacryloyloxy)ethyl] phosphate graphic file with name nihms523657t4.jpg 14.9 14.8 14.3 25.4
TCDM Di(hydroxyethyl methacrylate)ester of 5-(2,5,-dioxotetrahydrofurfuryl)-3-methyl-3-cyclohexenyl-1,2-dicarboxylic anhydride graphic file with name nihms523657t5.jpg 18.7 15.1 7.4 25.1
Bis-GMA 2,2-bis[4-(2-hydroxy-3-methacryloyloxy propoxy)]-phenyl propane graphic file with name nihms523657t6.jpg 16.6 13.4 5.8 22.1