Heat-sealing compound for sealing aluminium foil and...

Details Heat-sealing compound for sealing aluminium foil and... Heat-sealing compound for sealing aluminium foil and...

C - Chemistry, Metallurgy

09

D

C09D 123/00 (2006.01) C09D 133/00 (2006.01) C09D 167/00 (2006.01)

Patent

CA 2606633

The invention relates to a heat-sealing system consisting of an olefin polymer or olefin copolymer A, a methacrylate copolymer B, a graft polymer AB that is composed of the aforementioned components, a polyester C and an optional polymer D or an optional polymer blend DA, in addition to a solvent or solvent mixture L. The heat-sealing system is characterised by a high heat resistance, excellent barrier properties and short sealing times in relation to various plastics and aluminium foil or PET film.

L'invention concerne un système de scellage à chaud comprenant un polymère oléfinique ou un copolymère oléfinique A, un copolymère de méthacrylate B et un polymère greffé AB renfermant les composants précités, un polyester C et un polymère D, optionnel, ou un mélange de polymère DA optionnel, ainsi qu'un solvant ou un mélange de solvant L. le système de scellage à chaud est remarquable en ce qu'il présente une haute résistance à chaud, de bonnes propriétés barrières et de courts temps de scellage vis-à-vis de différentes matières plastiques et vis-à-vis des feuilles d'aluminium ou de PET.

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