Hindered amine derivatives of triazine and hexahydrotriazine
申请人:CIBA-GEIGY AG
公开号:EP0389432A2
公开(公告)日:1990-09-26
1-Hydrocarbyloxy-2,2,6,6-tetraalkylpiperidine derivatives of 1,3,5-triazine-2,4,6-tricarboxylic acid (I) or of 2,4,6-tris(dicarboxymethylene)-hexahydro-1,3,5-triazine (II)
are effective light stabilizers in a wide variety of substrate systems.