Research Article
Preparation of Chiral Epoxy Resins and the Optically Active Cured Products
Figure 6
Observation of optical activity: (a) polarizations films with same polarization direction, (b) polarizations films with perpendicular polarization direction, (c) transparent cured epoxy resins, (d) DGEBA (e) R-DGEBA, and (f) S-DGEBA.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |