| abstract |
The invention discloses a transparent polyurethane optical material and a preparation method thereof, which are prepared by using isocyanate and polymer polyol as reactants, and adding additives and other substances to react at the same time; carbomethoxy) cyclohexane, isophorone diisocyanate and p-phenylene diisocyanate, polytetrahydrofuran diol and polycarbonate polyol were selected for the polymer polyol, and 2,3-bis(2) was selected for the additive -Mercaptoethylthio)-1-Propanethiol and 5-Ethylpropylthio-1,3,4-thiadiazole-2-thiol; accelerators are composed of polymethylhydrosiloxane and aniline substances The reaction is obtained, and 4-(10H-phenothiazine-10-base) aniline and 4-(10H-phenothiazine-10-base) aniline are selected on the aniline substance; the final obtained polyurethane material has a larger Tensile strength and hardness, good mechanical properties, colorless and transparent, high refractive index, good optical properties, especially suitable for use as optical materials. |