Table 1.
Bis-GMA | BPDM | IPDM | ODPDM | PMDM | |
---|---|---|---|---|---|
Acid numbers | --- | 2.34 (0.04)d | 2.21 (0.02)b | 2.13 (0.01)a | 2.26 (0.02)c |
Appearance of resin mixtures | clear, homogeneous | opaque, no phase separation | clear, homogeneous | clear, homogeneous | opaque, phase separation |