Novel slip agents and polypropylene films prepared therefrom

Details Novel slip agents and polypropylene films prepared therefrom Novel slip agents and polypropylene films prepared therefrom

C - Chemistry, Metallurgy

08

L

C08L 23/10 (2006.01) C08J 5/18 (2006.01) C08K 5/20 (2006.01) C08L 23/14 (2006.01)

Patent

CA 2362039

Novel polypropylene films are prepared from a composition comprising polypropylene and an N,N-N,N'-bis-alkylene fatty amide having the general structural formula R-CO-NH-(CH2)n-NH-CO-R' wherein R and R' are the same or different alkyl or alkenyl groups having about 15 to 21 carbon atoms, n is an integer from 2 to 4 and -CO- is a carbonyl group. Such films are found to have improved utility for gravure printing applications.

Cette invention se rapporte à de nouveaux films de polypropylène, préparés à partir d'une composition contenant du polypropylène et un amide gras N,N-N,N'-bis-alkylène ayant la formule développée générale suivante R-CO-NH-(CH2)n-NH-CO-R' où R et R' représentent des groupes alkyle ou alcényle identiques ou différents ayant environ 15 à 21 atomes de carbone, n est égal à un nombre entier compris entre 2 et 4 et -CO- représente un groupe carbonyle. Ces films se sont révélés d'une utilité accrue dans des applications d'héliogravure.

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