降冰片烷二异氰酸酯的制备方法、通过该方法制备的异氰酸酯组合物及聚氨酯光学树脂

By optimizing the preparation method of 2,3-NBDI and using specific catalysts and carbonylating agents to control by-product compounds, the problem of preparing 2,3-NBDI in the prior art has been solved, the dyeing and physical properties of optical materials have been improved, and it is suitable for transparent optical resin materials.

CN122422293APending Publication Date: 2026-07-17KS LABORATORIES CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KS LABORATORIES CO LTD
Filing Date
2024-11-19
Publication Date
2026-07-17

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Abstract

本发明涉及异氰酸酯组合物及包含该组合物的聚氨酯光学树脂。尤其，涉及经济地制备双(异氰甲基)双环[2.2.1]庚烷（2,3‑NBDI）的方法，同时还涉及包含2,3‑NBDI的双(异氰甲基)双环[2.2.1]庚烷组合物及通过将该组合物与多硫醇聚合来获得的聚氨酯光学树脂。
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