C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/02 (2006.01) C08J 3/20 (2006.01) C08K 5/3435 (2006.01) C08K 5/3462 (2006.01)
Patent
CA 2400413
A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A):(B) being 20:1 to 1:20; with the provisos that: (1) component (B) is different from component (A) and does not contain groups of formulae (I) or (II) in which G is hydrogen or methyl, and G1 and G2, independently of one another, are hydrogen, methyl or together are a substituent =O; and (2) component (B) is different from a polymer having an acidic hydrogen atom.
Ce mélange de stabilisation contient (A) un composé amine à empêchement stérique, et (B) un polymère contenant des résidus polaires, le rapport pondéral des composants (A)/(B) étant compris entre 20/1 et 1/20, à condition: (1) que le composant (B) soit différent du composant (A) et ne contienne pas des groupes correspondant aux formules (I) ou (II) dans lesquelles G représente hydrogène ou méthyle, et G1 et G2 représentent indépendamment l'un de l'autre, hydrogène ou méthyle, ou bien ils représentent ensemble un substituant =O; et (2) que le composant (B) soit différent d'un polymère possédant un atome d'hydrogène acide.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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