Plasticizer in alkyl acrylate vinylidene chloride polymer

Details Plasticizer in alkyl acrylate vinylidene chloride polymer Plasticizer in alkyl acrylate vinylidene chloride polymer

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) C08K 5/00 (2006.01) C08K 5/1515 (2006.01) C08L 27/08 (2006.01)

Patent

CA 2581147

Articles comprise a monolayer blown film prepared from a composition comprising at least one vinylidene chloride polymer and at least one plasticizer wherein at least one vinylidene chloride polymer comprises vinylidene chloride and at least one alkyl acrylate selected from methyl acrylate, ethyl acrylate, or butyl acrylate or a combination thereof in an amount of from 2.5 to 9 mole percent of the monomer content of the vinylidene chloride polymer and wherein the plasticizer is present in an amount of from 1 to 15 parts by weight per hundred parts of polymer, wherein the article is selected from a package, a container, a laminate, sausage casing or combination thereof, particularly a sausage casing, wherein at least 4 of designated characteristics are present. The invention also includes processes for making articles of the invention and films used therein.

L'invention concerne des articles comportant un film soufflé monocouche préparé à partir d'une composition contenant au moins un polymère de chlorure de vinylidène et au moins un plastifiant, au moins un polymère de chlorure de vinylidène contenant du chlorure de vinylidène et au moins un alkylacrylate choisi parmi méthylacrylate, éthylacrylate ou butylacrylate ou une combinaison de ceux-ci, dans une quantité de 2,5 à 9 % en mole du contenu en monomères du polymère de chlorure de vinylidène, et le plastifiant étant présent dans une quantité de 1 à 15 ppm pour 100 parts de polymère. Ledit article peut être un emballage, un contenant, un laminé, un emballage de saucisse ou une combinaison de ceux-ci, notamment un emballage de saucisse. L'invention concerne également des procédés de fabrication des articles selon l'invention et des films employés à cet effet.

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