abstract |
Provide thermoplastic resin with high refractive index, low b-value, and high humidity and heat resistance; optical lenses using such thermoplastic resin, etc. According to one embodiment, a thermoplastic resin is provided, which includes the constituent unit represented by the following general formula (1); (R 1 and R 2 in formula (1) independently represent hydrogen atom, fluorine atom, chlorine atom, bromine atom, iodine atom, alkyl group with 1 to 6 carbon atoms, monocyclic or polycyclic carbon The number of aryl groups of 6 to 36, monocyclic or polycyclic ring atoms is 5 to 36 and 1, 2, 3 or 4 of the ring atoms are selected from nitrogen, sulfur and oxygen, and the other ring atoms are carbon The heteroaryl group, the alkenyl group with 2 to 6 carbons, the alkoxy group with 1 to 6 carbons, or the aralkyl group with 7 to 17 carbons, X, a and b are as described in the specification of this case respectively). |