CPC C08G 73/0644 (2013.01) [G02B 1/04 (2013.01)] | 19 Claims |
1. A triazine ring-containing polymer having a repeating unit that comprises:
a structural unit derived from a triazine dithiol compound,
the triazine ring-containing polymer comprising terminal SH groups and a portion of terminal groups that are capped with a hydrocarbon group, and
wherein a number of the SH groups in the triazine ring-containing polymer is less than about 1×1018 per gram of the polymer, and the polymer has a yellowness index of less than 3.
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