C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/103 (2006.01) C08L 27/06 (2006.01)
Patent
CA 2650023
Rigid polyvinyl chloride compositions are disclosed that are suitable for use in applications such as window profiles, door frames, siding, fences, gutters, pipes, electrical junction boxes, automobile interiors and exteriors, appliances, office equipment or medical devices. The disclosed compositions include polyvinyl chloride polymers or copolymers having incorporated therein 2,2,4-trimethyl-1,3-pentanediol diisobutyrate in amounts so as to improve the impact properties of the compositions. Processes for making such compositions are also disclosed.
L'invention concerne des compositions rigides de chlorure de polyvinyle convenant à une utilisation pour des applications telles que les profilés de fenêtre, les cadres de portes, les bardages, les clôtures, les chéneaux, les tuyaux, les boîtes de distribution électrique, les intérieurs et extérieurs d'automobiles, les dispositifs, les équipements de bureau ou les dispositifs médicaux. Les compositions décrites comprennent des polymères ou copolymères de chlorure de polyvinyle incorporant du diisobutyrate de 2,2,4-triméthyl-1,3-pentanediol en des quantités permettant d'améliorer les propriétés de résistance aux chocs des compositions. L'invention concerne également des procédés de fabrication de telles compositions.
Gott Samuel Leroy
Whitson Russell Lynn
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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