C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 53/126 (2006.01) C07C 53/128 (2006.01) C07F 3/06 (2006.01) C08K 5/09 (2006.01)
Patent
CA 2200777
Superbase zinc soaps in the form of zinc carboxylates, in which the carboxylic acids consisting of a mixture or otherwise of satured organic carboxylic acids containing from 7 to 13 carbon atoms, having the following characteristics: a linear acid content of between 0 and 40 % by weight, a content of acids which are branched on carbon 2 of between 0 and 20 % by weight, and a content of acids which are mono- or polysubstituted on carbon 3 and/or on the carbons of higher rank, which is equal to or greater than 50 % by weight; their preparation and use as polymer stabilisers particularly for polyvinyl chloride.
Savons de zinc fortement alcalins sous la forme de carboxylates de zinc, dans lesquels les acides carboxyliques consistent en un mélange ou autre d'acides carboxyliques organiques saturés contenant de 7 à 13 atomes de carbone, possédant les caractéristiques suivantes: - une teneur en acide linéaire représentant de 0 à 40 % en poids, - une teneur en acides ramifiés sur l'atome de carbone 2 représentant de 0 et 20 % en poids, - une teneur en acides mono ou polysubstitués sur l'atome de carbone 3 et/ou sur des atomes de carbone de rang supérieur, qui est égale ou supérieure à 50 % en poids. L'invention concerne la préparation de ces savons et l'utilisation de ceux-ci en tant que stabilisateurs de polymères, notamment du chlorure de polyvinyle.
Hyna Viktor
Reyniers Sylvain Leontina Edmond
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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