Thermoplastic olefin polymer blend and adhesive films made...

Details Thermoplastic olefin polymer blend and adhesive films made... Thermoplastic olefin polymer blend and adhesive films made...

C - Chemistry, Metallurgy

09

J

C09J 123/08 (2006.01)

Patent

CA 2580686

Blend an ethylene/alkyl acrylate copolymer and an ethylene/.alpha.,.beta.- ethylenically unsaturated carboxylic acid copolymer in a weight ratio of more than 1:1 and convert the blend to a film that has adhesive properties. The film is particularly suitable for use as an external adhesive layer in a multilayer film structure. Such multilayer film structures may be used, for example as a strippable protective film for any of a variety of surfaces such as freshly painted metal surfaces.

L'invention consiste à mélanger un copolymère éthylène/acrylate d'alkyle et un copolymère d'acide carboxylique éthylène/a,ß-éthyléniquement non saturé selon un rapport pondéral supérieur à 1:1 et à convertir le mélange en un film qui présente des propriétés adhésives. Ce film convient particulièrement à un usage en tant que couche adhésive extérieure dans une structure de film multicouche. Ces structures de film multicouche peuvent être utilisées, par exemple, en tant que film protecteur pelable pour différents types de surfaces, telles que des surfaces métalliques peintes de frais.

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