Liquid container

Details Liquid container Liquid container

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) B29C 41/00 (2006.01) B29C 41/04 (2006.01) B60K 15/03 (2006.01) B65D 1/12 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2425608

Liquid containers made from certain ethylene copolymers have been found to leak less, swell and wrap less than conventional plastic liquid containers. The invention therefore provides the use of an ethylene and at least one C~3- 10 .alpha.-olefin copolymer having the following properties: i) MFR~2=2-10; ii) MFR~21/MFR~2 = 15-20; iii) density = 925-950 g/cm3~; iv) molecular weight distribution Mw/Mn = 2.1 - 3.5 in the manufacture of a liquid container.

L'invention concerne des récipients pour liquide, fabriqués à partir de certains copolymères d'éthylène qui, par rapport à des récipients en plastique conventionnels pour liquide, présentent moins de fuites, de gonflement et d'enroulement. L'invention concerne donc l'utilisation, dans la fabrication d'un récipient pour liquide, d'un copolymère d'éthylène et d'au moins une C3-10 alpha -oléfine possédant les propriétés suivantes: i) indice de fluage2=2-10; ii) indice de fluage 21/indice de fluage2 = 15-20; iii) densité = 925-950 g/cm<3>; iv) distribution de poids moléculaire Mw/Mn = 2,1 - 3,5.

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