Antioxidant agent based on phenolic salts

Details Antioxidant agent based on phenolic salts Antioxidant agent based on phenolic salts

C - Chemistry, Metallurgy

08

K

C08K 5/138 (2006.01) C08K 5/00 (2006.01) C08L 9/02 (2006.01) C08L 23/16 (2006.01)

Patent

CA 2419375

The invention relates to antioxidant agents for organic polymers. Said agents are based on phenolic salts of sterically hindered phenolic compounds comprising at least two phenolic OH groups. The inventive antioxidant agents exhibit a considerably better antioxidant effect than the sterically hindered phenolic compounds forming the basis of said salts.

L'invention concerne des agents antivieillisseurs destinés à des polymères organiques, à base de sels de composés phénoliques à encombrement stérique comportant au moins deux groupes OH phénoliques. Les agents antivieillisseurs selon l'invention présentent un effet antivieillisseur nettement supérieur à celui des composés phénoliques à encombrement stérique formant la base desdits sels.

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