Stabilizer Systems as UV Filters
Publication Date: 2002-Dec-20
The IP.com Prior Art Database
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A stabilizer system is disclosed comprising (a) a specific UV absorber of the tris-aryl-triazine class (UVA) and (b) a further stabilizer selected from the UV absorbers of the 2-(2’-hydroxyphenyl)benzotriazole, 2-hydroxybenzophenone and/or 2-hydroxyphenyl triazine type. The system may further comprise as component (c) a sterically hindered amine and or a conventional additive which may be selected from plasticizers, lubricants, emulsifiers, pigments, rheology additives, catalysts, flow-control agents, optical brighteners, further light stabilizers, antioxidants, clarifiers such as substituted and unsubstituted bisbenzylidene sorbitols, flameproofing agents, anti-static agents, benzoxazinone UV absorbers, blowing agents and thiosynergists. The present stabilizer system is useful for protecting packed foodstuffs, beverages, pharmaceuticals, cosmetics, personal care products, shampoos and the like from the deleterious effects of ultraviolet radiation. The stabilizer systems disclosed is especially effective when incorporated in the containers or films in which such materials are stored.