| abstract |
The present invention provides a kind of light stabilizer combination, and 2,2,6,6 tetramethyl piperidine alcohols and the operability of hindered amine compound obtained from carbonate reaction is made to be improved；Specifically, a kind of light stabilizer combination is provided, is made of infiltrating 10~300 mass parts of hindered amine compound that (B) is indicated by general formula (1) relative to 00 mass parts of silica 1 that (A) moisture content is 2~7 weight %.Furthermore it is preferred that 5~500 mass parts of benzoic ether system light stabilizer that cooperation (C) is indicated by general formula (3).General formula (1) and the details of (3) are as described in this description. |