Polythiol compound, and optical material and product...

C - Chemistry – Metallurgy – 07 – D

Patent

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18/104, 402/346,

C07D 339/08 (2006.01) B29D 11/00 (2006.01) C08G 18/38 (2006.01) C08G 18/52 (2006.01) C08G 75/08 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2033239

This invention relates to a polythiol compound and an optical material therefrom. Having a rigid 1,4-dithian ring which increases the refractive index and Abbe's number, the polythiol compound used for the production of an optical material imparts the optical material with high heat resistance and excellent mechanical properties as well as excellent optical properties.

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