Liquid Benzotriazole UV Absorber
UV-571 is a liquid ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class which imparts good light stability to a variety of polymers.
A mixture of: isomers of 2-(2H-benzotriazol-2-yl)-4-methyl-(n)-dodecylphenol; isomers of 2-(2H-benzotriazol-2-yl)-4-methyl-(n)-tetracosylphenol; isomers of 2-(2H-benzotriazol-2-yl)-4-methyl-5,6-didodecyl-phenol. n=5 or 6
2-(2H-Benzothiazol-2-yl)-6-dodecyl-4-methylphenol, branched and linear
125304-04-3; 23328-53-2; 104487-30-1
UV-571 can be applied in thermoplastic PUR, coating and integral foams, rigid and plasticized PVC, PVB, PMMA, PVDC, EVOH, EVA, hot cured unsaturated polyesters and spin finishes for PA, PET, PUR, and PP fibres. The product is also suitable for latices, waxes, adhesives, styrene homo- and copolymers, elastomers and polyolefins.