Improved antifog composition for polyolefin packaging films

Details Improved antifog composition for polyolefin packaging films Improved antifog composition for polyolefin packaging films

C - Chemistry, Metallurgy

08

K

C08K 5/10 (2006.01) C08J 5/18 (2006.01) C08K 5/17 (2006.01) C08L 5/06 (2006.01) C08L 23/04 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2281662

A fog-resistant polyolefin packaging film is prepared by producing a film of a formulation comprising ethylene or a polypropylene polymer, having incorporated therein and an antifog agent comprising: a) a C8 or higher ester, diester, and/or triester of a C2 to C8 polyhydric alcohol; and b) a mono- or dialkoxylated C10 or higher amine. In a preferred embodiment, said film further comprises c) an alkoxylated alkylphenol or derivatives thereof. Said antifog agent is present in an amount which imparts antifog resistance performance to said film in about less than an hour.

L'invention concerne une composition antibuée de film de conditionnement en polyoléfines, préparée par production d'un film dont la formulation comprend un polymère d'éthylène ou de polypropylène, qui incorpore un agent antibuée renfermant: a) un ester, un diester, et/ou un triester en C8 ou un ester supérieur d'un alcool polyhydrique en C2 à C8; et b) une amine en C10 ou une amine supérieure mono ou dialcoxylée. Dans un mode de réalisation préféré, ledit film comporte en outre c) un alkylphénol alcoxylé ou ses dérivés. Ledit agent antibuée est présent dans une quantité permettant de conférer audit film des caractéristiques de résistance antibuée en moins d'une heure environ.

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