Metal salts of 2-[(1-hydroxy-2-naphthalenyl)carbonyl]-benzoic acid as a new class of photostabilizers |
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| Authors: | J.F. Rabek B. Ranby J. Arct Z. Golubski |
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| Affiliation: | 1. Department of Polymer Technology, The Royal Institute of Technology, Stockholm, Sweden;2. Institute of Organic and Polymer Technology, Technical University, Wroclaw, Poland |
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| Abstract: | Metal salts (Co2+, Mn2?, Ni2+) of 2-[(1-hydroxy-2-naphthalenyl)carbonyl]-benzoic acid can be considered as a new class of stabilizers effective against free radical photo-oxidation and singlet oxygen oxidation of cis-1,4-polybutadiene. These metal salts are active by a combination of several important effects such as reducing the number of photons absorbed by polymer chromophores, deactivation of excited carbonyl groups, scavenging of free radicals and quenching of singlet oxygen. |
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