Organo-tin-containing complex stabiliser for synthetic resin...

Details Organo-tin-containing complex stabiliser for synthetic resin... Organo-tin-containing complex stabiliser for synthetic resin...

C - Chemistry, Metallurgy

08

K

C08K 5/57 (2006.01) C01F 7/00 (2006.01) C07F 7/22 (2006.01) C08K 3/22 (2006.01)

Patent

CA 2241095

The invention relates to an organo-tin-containing complex stabiliser for synthetic resin compositions of the formula (I): M2+1-a-b(2+x)Al3+a[Sn(R)(2- x)]b(2+x)+(OH)-2-b(2+x)An-a/n*mH2O wherein M2+ stands for at least one divalent metal cation, R stands for a C1-12 linear or branched alkyl group, An- stands for an n-valent anion or mixtures of anions, and the following conditions apply: 0a0.5; 0b0.1; 0x1; 0a+b(2+x)0.5; 0m2. The invention also relates to a method for the preparation of these stabilisers and their use in synthetic resin compositions, preferably halogen-containing synthetic resin compositions, or (co)polymers obtained by Ziegler Natta polymerization processes.

L'invention concerne un stabilisant à complexe contenant de l'organo-étain pour compositions de résines synthétiques de formule (I): M?2+¿¿1-a-b(2+x)?Al?3+¿¿a?[Sn(R)¿(2-x)?]¿b??(2+x)+¿(OH)?-¿¿2-b(2+x)?A?n-¿¿a/n?*mH¿2?O, dans laquelle M?2+¿ représente au moins un cation métallique divalent, R représente un groupe alkyle C¿1-12? linéaire ou ramifié, A?n-¿ représente un anion n-valent ou des mélanges d'anions, à condition que 0?a?0,5; 0?b?0,1; 0?x?1; 0?a+b(2+x)?0,5; 0?m?2. L'invention concerne également un procédé de préparation de ces stabilisants et leur utilisation dans des compositions de résines synthétiques, de préférence dans des compositions de résines synthétiques halogénées, ou des (co)polymères obtenus par des procédés de polymérisation Ziegler Natta.

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