Tungsten hexacarbonyl in plastic lenses

Details Tungsten hexacarbonyl in plastic lenses Tungsten hexacarbonyl in plastic lenses

C - Chemistry, Metallurgy

08

L

31/165, 117/226

C08L 31/00 (2006.01) C08K 5/56 (2006.01) C09K 9/02 (2006.01) G02B 5/23 (2006.01) G03C 1/735 (2006.01)

Patent

CA 1105696

ABSTRACT OF THE DISCLOSURE Tungsten hexacarbonyl acts as a photochromic agent and an infrared absorber when incorporated in a liquid glycol bis(allyl carbonate), such as allyl diglycol carbonate, and polymerizates thereof. Photochromic, infrared-sbsorbing optical and ophthalmic lenses containing tungsten derived from tungsten hexacarbonyl are made.

286838

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