Method for surface hardening substances by application of particularly transparent polymethacrylate layers

8:

• The composite material according to claim 7, wherein the further polymer used comprises a member selected from the group consisting of polyvinylidene difluoride, PVC, polyethylene, polyester, and polyamides.

9:

• The composite material according to claim 7, wherein said process for producing said composite material applies a melt by means of coextrusion coating or melt coating.

10:

• The composite material according to claim 7, wherein said process for producing said composite material applies a film by colamination, extrusion lamination, adhesive bonding, coil coating, sheathing or high-pressure lamination.

11:

• The composite material according to claim 7, wherein the first material is treated with an adhesive prior to application of the surface finish.

12:

• The composite material according to claim 7, wherein no multilayer system or adhesive is used.

13:

• The composite material according to claim 7, wherein chemical crosslinking between the polymethacrylate layer and the first material is developed via an elevated temperature during the process.

14:

• The composite material according to claim 7, wherein interpenetration between said first material and said polymethacrylate layer occurs.

15:

• The composite material according to claim 7, wherein component a.B) is butyl methacrylate, 2-ethylhexyl methacrylate, cyclohexyl methacrylate, phenyl methacrylate, or naphthyl methacrylate.

16:

• The composite material according to claim 7, wherein component a.C) are styrene, a styrene derivative, vinyl esters, vinyl chloride, vinyl fluoride or olefins.

17:

• The composite material according to claim 7, wherein said additive is calcium carbonate, titanium dioxide, calcium oxide, perlite, precipitated chalk, coated chalk, or fumed silica.

18:

• The composite material according to claim 7, wherein component b.B) is capable of free-radical polymerization and has a functional group which can interact with the material to be coated.

19:

• The composite material according to claim 18, wherein said functional group is an amino group, a (cyclic) amide group, an imide group, a hydroxy group, an (ep)oxy group, a carboxy group, or an (iso)cyano group.

20:

• The composite material according to claim 7, wherein component b.B) is a nitrogen-containing vinyl heterocycle having a 5-membered ring alongside a 6-membered ring.

21:

• The composite material according to claim 7, wherein component b.B) is selected from the group consisting of vinylimidazoles, vinyllactams, vinylcarbazoles, and vinylpyridines.

22:

• The composite material according to claim 7, wherein component b.B) is selected from the group consisting of glycidyl methacrylate, maleic acid, maleic anhydride, methylmaleic anhydride, maleimide, methylmaleimide, maleamides, phenylmaleimide, cyclohexylmaleimide, fumaric acid derivatives, methacrylic anhydride, and acrylic anhydride.

23:

• The composite material according to claim 7, wherein a ratio of the polymerized monomer mixtures a. and b. in the polymethacrylate-based surface finish is 50 to 99% by weight of the polymerized mixture a., to the corresponding amount of b to give 100% by weight.

24:

• The composite material according to claim 7, wherein the first material is in the form of a film or sheet, or cut-to-size film or sheet.

25:

• The composite material according to claim 7, wherein the first material is a polyethylene textile.