Thermally stable antistatic agents

Details Thermally stable antistatic agents Thermally stable antistatic agents

C - Chemistry, Metallurgy

08

K

C08K 5/17 (2006.01) C08K 5/41 (2006.01) C08K 9/12 (2006.01) C09K 3/16 (2006.01)

Patent

CA 2221817

A process for rendering polymer compositions antistatic and the products of such process are described. The polymeric material is treated with a combination of selected trineoalkoxy amino zirconates and trineoalkoxy sulfonyl zirconates. These latter materials are soluble in the polyolefins, polyesters, polyamides, polyethers, polycarbonates, and polystyrenes and remain stable during the processing of these polymers. Furthermore, the antistatic agents of the invention are thermally stable to temperatures up to 825 °F, do not "bloom" during the polymer processing, and are colorless, permanent, non-blooming and non- moisture dependent.

L'invention concerne un procédé visant à rendre des compositions polymères antistatiques et les produits que ce procédé permet d'obtenir. Le matériau polymère est traité avec une combinaison de trinéoalcoxy-amino-zirconates et de trinéoalcoxy-sulfuryle-zirconates sélectionnés. Ces derniers sont solubles dans les polyoléfines, polyesters, polyamides, polyéthers, polycarbonates et polystyrènes et restent stables pendant le traitement de ces polymères. Les agents antistatiques obtenus selon l'invention sont en outre thermiquement stables à des températures allant jusqu'à 825 DEG F, ne présentent pas de caractère efflorescent pendant le traitement de ces polymères, sont incolores, stables, non efflorescents et ne subissent pas l'influence de l'humidité.

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