Patent ID: 8461235
Filing Date: 2013-06-11
Classification: C08K

Abstract:
1. A method for stabilizing a polymer with respect to exposure to UV radiation comprising incorporating a fine-particle polymer powder comprising at least one UV absorber into a polymer, wherein said fine-particle polymer powder further comprises at least one other component selected from the group consisting of: (b) at least one compound selected from the group consisting of organic phosphites, organic phosphines, and organic phosphonites, (c) at least one compound selected from the group consisting of sterically hindered phenols, (d) at least one compound selected from the group consisting of sterically hindered amines, (e) at least one compound selected from the group of the chromanes, and (f) at least one organic or inorganic salt selected from the group consisting of zinc salts, calcium salts, magnesium salts, cerium salts, iron salts and manganese salts.