| abstract |
A polymer composition comprising a linear ultraviolet absorbing polyether comprising a chemically bonded UV chromophore, wherein the linear ultraviolet absorbing polyether has an unbranched backbone and the UV chromophore is a pendant group attached to the polyether backbone, and the UV chromophore is selected from the group consisting of triazines, benzotriazoles, triazoles, camphor, dibenzoylmethanes, 4-aminobenzoic acid and alkane esters thereof, anthranilic acid, alkane esters thereof, salicylic acid and alkane esters thereof, hydroxycinnamic acid and alkane esters thereof, dihydroxy-, dicarboxy- and hydroxycarboxybenzophenones and alkane esters or acid halide derivatives thereof, dihydroxy-, dicarboxy-, and hydroxycarboxyhalcones and alkane esters or derivatives of acid halide thereof, dihydroxy-, dicarboxy- and hydroxycarboxycoumarins and alkane esters or acid halide derivatives thereof, benzalmalonate, benzimidazole derivatives, benzoxazole derivatives, 3- (3- (2H-benzo [d] [1,2,3] triazol-2-yl) -5- (tert- butyl) -4-hydroxyphenyl), 6-octyl-2- (4- (4,6-di ([1,1'-biphenyl] -4-yl) -1,3,5-triazin-2-yl) -3-hydroxyphenoxy) propanoate and 2,2 ', 2 "- (((1,3,5-triazine-2,4,6-triyl) tris (3-hydroxybenzene-4,1-diyl)) tris (oxy )) trioctyl tripropanoate. |