(Ligno) Cellulose Material Board Coated with a Pmma and Pvdf-Based film
First Claim
1. A coextruded multilayer film/(ligno)cellulose composition comprising a coextruded film and a (lingo)cellulose material, said multilayer film comprising, in order, positioned one against another:
- a surface layer (I) comprising, as main constituents, polyvinylidene fluoride (PVDF) and optionally polymethylmethacrylate (PMMA);
an intermediate layer (II) comprising, as main constituents, from 0 to 60 parts of a PVDF, from 40 to 100 parts of a PMMA, from 0 to 25 parts of an acrylic elastomer and from 0 to 10 parts of a UV absorber, the total forming 100 parts;
an adhesive layer (III) comprising, as main constituent, a functional PMMA, the adhesive layer (III) being positioned on the side of the multilayer film in contact with said (ligno)cellulose material.
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Accused Products
Abstract
The invention relates to the use of a coextruded multilayer film for protecting a (lingo)cellulose material, wherein said multilayer film consists of the following arranged to each other layers: a surface layer (I) comprising PVDF and possibly PMMA in the form of the main components, an intermediate layer (II) comprising in the form of main components 0-60 PVDF parts, 40 to 100 PMMA parts, 0-25 acrylic elastomer parts, and 0-10 UV absorber parts, the totality thereof being equal to 100 parts, and an adhesive layer (III), which comprises a functional PMMA in the form of the main component and is arranged on the side of the (ligno)cellulose material.
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Citations
20 Claims
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1. A coextruded multilayer film/(ligno)cellulose composition comprising a coextruded film and a (lingo)cellulose material, said multilayer film comprising, in order, positioned one against another:
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a surface layer (I) comprising, as main constituents, polyvinylidene fluoride (PVDF) and optionally polymethylmethacrylate (PMMA); an intermediate layer (II) comprising, as main constituents, from 0 to 60 parts of a PVDF, from 40 to 100 parts of a PMMA, from 0 to 25 parts of an acrylic elastomer and from 0 to 10 parts of a UV absorber, the total forming 100 parts; an adhesive layer (III) comprising, as main constituent, a functional PMMA, the adhesive layer (III) being positioned on the side of the multilayer film in contact with said (ligno)cellulose material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. (canceled)
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20. (canceled)
Specification