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Interaction of Benzoate-type Ultraviolet Absorbers with Hindered Amine Light Stabilizers
HALS HALS nitrosonium Photo-antioxidant activity Benzoate-type UVA
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2009/8/4
The interaction of benzoate-type ultraviolet absorbers (UVA) with hindered amine light stabilizers (HALS) was investigated. Benzoate-type UVA showed antagonism or synergism with HALS, depending on th...
Interaction of Hindered Amine Light Stabilizers and Ultraviolet Absorbers
HALS UVA Antagonism Synergism Photo-oxidation Quinone
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2009/8/4
The reason is discussed, why ultraviolet absorbers (UVA) having phenolic moiety show the synergism with HALS apparently, on the contrarily to phenolic antioxidants. A HALS nitrosonium is a substrate ...
Interaction between Nitroxide of Hindered Amine Light Stabilizers and Phenol
HALS Phenol Antagonism HALS nitrosonium HALS nitroxide
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2009/8/4
The antagonism between nitroxides of hindered amine light stabilizers (HALS NO) and phenolic antioxidants, such as 2,6-di-t-butyl-4-methylphenol (BHT), was investigated. Identification of the reactio...