Optical material

Details Optical material Optical material

C - Chemistry, Metallurgy

08

F

C08F 210/00 (2006.01) C08F 222/40 (2006.01) G02B 1/00 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2045452

An optical material, comprising a resin composed of a polymer constituted of a first structural unit composed of at least one of the compounds represented by the formula (I), and of a second structural unit composed of at least one of the compounds represented by the formula (II), and having a weight-average molecular weight of from 1 x 10 3 to 5 x 10 6. (see formula I) where R1 denotes an alkyl group having 1 to 18 carbons or a cycloalkyl group having 3 to 8 carbons; (see formula II) where R2 denotes hydrogen or an alkyl group having 1 to 8 carbons, and R3 and R4 denote respectively an alkyl group having 1 to 8 carbons. The optical material is superior in transparency, heat resistance, surface hardness, mechanical strength, and other properties.

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