Film for wrapping

Details Film for wrapping Film for wrapping

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) B65D 65/02 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2334726

A film having a large tensile stress in the machine direction, excellent mechanical properties and stretch-wrapping property, and that is less broken at the time of wrapping, can be favorably torn off in the transverse direction, can be intimately adhered on the container walls to be wrapped, and excellently restores its shape after it is depressed and deformed as a result ofwrapping. The film for stretch-wrapping is formed of a resin composition containing, as a chief component, an ethylene/(meth)acrylic acid/(meth)acrylic acid ester terpolymer that contains not more than 7% by weight of a (meth)acrylic acid ester unit, and, optionally, containing an anti-fogging agent or a tackifier.

L'invention concerne un film caractérisé par une grande contrainte de traction dans le sens de fabrication, d'excellentes propriétés mécaniques et d'étirement, et moins susceptible de rompre lors de l'emballage. Ledit film peut être facilement déchiré dans le sens transversal, puis porté en contact adhérent étroit avec les parois d'un récipient, et il retrouve facilement sa forme après la dépression ou la déformation subie du fait de l'emballage. Ce film étirable est formé d'une composition de résine contenant, comme composant principal, un terpolimère éthylène/acide (méth)acrylique/ester d'acide (méth)acrylique ne renfermant pas plus de 7 % en poids d'unités ester d'acide (méth)acrylique, et éventuellement, un agent anticondensation ou un agent donnant du collant.

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