Hindered amine products used as light and heat stabilizers and antioxidants for organic material, especially synthetic polymer, contain partly acylated 2,2,6,6-tetramethylpiperidino groups

摘要

Products (I) containing 5-85% 2,2,6,6-tetramethylpiperidno (A-1-a) and/or N-(1-8 carbon (C))-alkyl)-2,2,6,6-tetramethylpiperidino groups (A-1-b) and 15-95% N-(1-20 C acyl)-2,2,6,6-tetramethylpiperidino groups (A-2) are claimed. Products (I) containing 5-85% 2,2,6,6-tetramethylpiperidino (A-1-a) and/or N-(1-8 carbon (C))-alkyl)-2,2,6,6-tetramethylpiperidino groups (A-1-b) and 15-95% N-(1-20 C acyl)-2,2,6,6-tetramethylpiperidino groups (A-2) of formula (A) are claimed. R<1> = hydrogen (H) in (A-1-a), 1-8 C alkyl in (A-1-b) and 1-20 C acyl in (A-2).