| abstract |
The present invention relates to a surface-treated filler material product comprising a filler material comprising at least one epoxy-functional compound having one or more epoxy group(s) and/or a reaction product thereof, said surface-treated filler material product comprising: process for making, at least one polymer resin and a polymer composition comprising, based on the total weight of the polymer composition, from 1 to 70 wt.-% of the surface-treated filler material product, the surface-treated filler material product and/or to the use of a surface-treated filler material product for reducing degradation of mechanical properties in a polymer article comprising the polymer composition, also in a polymer article comprising the surface-treated filler material article upon exposure to UV light. will be. |