B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/22 (2006.01) B29C 55/02 (2006.01) B32B 27/08 (2006.01) C08L 23/02 (2006.01)
Patent
CA 2056987
A laminar article is provided, comprising a combination of a polyolefin, an ethylene-vinyl alcohol copolymer having a melting point at least about 5°C higher than the polyolefin, and a compatibilizer of a compatible polyolefin backbone grafted with cyclic anhydride moieties, wherein the ethylene-vinyl alcohol copolymer is present within the polyolefin as multiple, thin, substantially parallel, overlapping layers.
Un article laminaire comprend une combinaison d'une polyoléfine, d'un copolymère d'éthylène/alcool vinylique ayant un point de fusion d'au moins 5°C environ supérieur à celui de la polyoléfine, et un agent de compatibilité d'une ossature de polyoléfine compatible sur laquelle a été greffé des fractions anhydrides cycliques, le copolymère d'éthylène/alcool vinylique étant présent dans la polyoléfine sous la forme de multiples couches minces sensiblement parallèles et se chevauchant.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
LandOfFree
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