Benzotriazole ortho-ester ultraviolet stabilizers and their...

Details Benzotriazole ortho-ester ultraviolet stabilizers and their... Benzotriazole ortho-ester ultraviolet stabilizers and their...

C - Chemistry, Metallurgy

07

D

6/123, 6/56, 400

C07D 249/20 (2006.01) C07F 9/02 (2006.01) C07F 9/6518 (2006.01) C08K 5/3475 (2006.01)

Patent

CA 1053676

Abstract of the Disclosure The invention relates to benzotriazole ortho-ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amound of the benzotriazole ortho-ester composi- tion to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber. - i -

234918

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