Reactive dyes and lenses utilizing the same

Details Reactive dyes and lenses utilizing the same Reactive dyes and lenses utilizing the same

C - Chemistry, Metallurgy

09

B

C09B 1/26 (2006.01) C08F 20/36 (2006.01) C08F 246/00 (2006.01) C09B 69/10 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2201533

A compound represented by the following formula 1: Image wherein R1 is an unsubstituted or substituted benzyl group or unsubstituted or substituted phenyl group, method for producing a copolymer comprising copolymerizing a monomer mixture containing the compound, copolymer for lenses containing a copolymerized component represented by the following formula 2 Image and a lens consisting of the copolymer. The compound of the formula 1 is a reactive dye exhibiting excellent hydrolysis resistance, good copolymerizability with other comonomers, excellent dyeing property and proper solubility in comonomers.

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