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US 12,637,599 B2Granted
Two-component polyurethane adhesive composition for film lamination in hot filling application
AssigneeHenkel AG & Co. KGaA
InventorsMarcel Blodau, Marcel Franken, Stefan Tomke, Sonia Flores Penalba, Nina Jungholt
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Abstract
The present invention relates to a two-component polyurethane adhesive composition for film lamination in hot filling application. Further, the present invention relates to method of manufacturing a laminate by using the two-component polyurethane adhesive composition and the laminate obtainable by the described method.
Claims13
A two-component polyurethane adhesive composition comprising a polyol component and an isocyanate component, wherein
- the polyol component comprises at least one polyester polyol obtained from a reaction mixture comprising, based on the total weight of the reaction mixture,
- from 1% to 25% by weight of at least one cycloaliphatic polyol,
- from 1% to 40% by weight of at least one heterocyclic polyol,
- from 1% to 40% by weight of at least one linear or branched aliphatic polyol, and
- from 30% to 70% by weight of at least one polyfunctional carboxylic acid, and
- the isocyanate component comprises at least one alkoxysilane functionalized isocyanate compound having no epoxide group, at least one aromatic isocyanate-functionalized compound, and at least one aliphatic or alicyclic isocyanate-functionalized compound.
3 more elements
Dependencies are inferred from the claim text.