[EN] STABLILIZING MIXTURES FOR ORGANIC POLYMERS<br/>[FR] MELANGES STABILISATEURS POUR POLYMERES ORGANIQUES
申请人:GREAT LAKES CHEMICAL EUROP
公开号:WO2001070868A1
公开(公告)日:2001-09-27
Stablizing mixtures for organic polymers comprising: (a) at least one compound belonging to the group of 3-pyrazolidinones; (b) at least one compound belonging to the group of organic phosphites or phosphonites; (c) at least one compound belonging to the group of sterically hindered phenols; and, optionally, (d) at least one compound belonging to the group of sterically hindered amines. The above mixtures can be used as stabilizers of organic polymers to degradation caused by oxygen, heat and/or light.