Coating materials and the use thereof in coating systems for components in vehicle interiors
A coating material includes 10 to 30 wt.-% of a polyol, 2 to 15 wt.-% of an etherified melamine-formaldehyde resin, 0.1 to 10 wt.-% of an acid catalyst, and at least one of a flame retardant, a filler, and a pigment in an amount to obtain a filler content in a range of from 60 to 80 wt.-% based on an overall mass of the coating material. The flame retardant is selected from the group consisting of an inorganic flame retardant, a halogenated flame retardant, a nitrified flame retardant, a boracic flame retardant, an intumescent flame retardant, and mixtures thereof.
1. A coating material comprising:
10 to 30 wt.-% of a polyol;
3 to 10 wt.-% of an etherified melamine-formaldehyde resin;
0.1 to 10 wt.-% of an acid catalyst; and
60 to 80 wt.-% of at least one of a flame retardant, a filler, and a pigment based on an overall mass of the coating material,
wherein,
the flame retardant is selected from the group consisting of an inorganic flame retardant, a halogenated flame retardant, a nitrified flame retardant, a boracic flame retardant, an intumescent flame retardant, and mixtures thereof,
the coating material contains a pigment volume fraction of 35 to 60%, the pigment volume fraction being a quotient of a volume of the pigment to a volume of the cured coating material, and
the 60 to 80 wt.-% of the at least one of the flame retardant, the filler, and the pigment based on the overall mass of the coating material is the wt.-% of the at least one of the flame retardant, the filler, and the pigment when combined.
2. The coating material as recited in claim 1 , wherein the coating material comprises 65 to 75 wt.-% of at least one of the flame retardant, the filler, and the pigment based on the overall mass of the coating material.
3. The coating material as recited in claim 1 , wherein the polyol is selected from the group consisting of a polyacrylate-polyol, a polyester-polyol, a polyether-polyol, a polycarbonate-polyol, a polycaprolactone, and a polyurethane-polyol.
4. The coating material as recited in claim 1 , wherein the etherified melamine-formaldehyde resin is selected from the group consisting of a methanol-etherified melamine-formaldehyde resin, an ethanol-etherified melamine-formaldehyde resin, a propanol-etherified melamine-formaldehyde resin, an isobutanol-etherified melamine-formaldehyde resin, and an n-butanol-etherified melamine-formaldehyde resin.
5. The coating material as recited in claim 1 , wherein the acid catalyst is selected from the group consisting of a strong Brønsted acid.
6. The coating material as recited in claim 5 , wherein the strong Brønsted acid is an organic sulphonic acid.
7. The coating material as recited in claim 1 , wherein the filler is selected from the group consisting of a carbonate, a sulfate, a silicate, a silicic acid, and an oxide.
8. The coating material as recited in claim 1 , wherein the pigment is an inorganic pigment.
9. The coating material as recited in claim 1 , further comprising a non-ionic silver particle.
10. The coating material as recited in claim 1 , wherein the coating material, when cured, comprises a total dry layer thickness of 80 to 110 μm.
11. An interior component for a passenger transport vehicle, the interior component comprising at least one surface coating produced from the coating material as recited in claim 1 .
12. A method of using the coating material as recited in claim 1 on a surface of an interior component, the method comprising:
providing the coating material as recited in claim 1 ;
providing the interior component; and
coating the interior component with the coating material.
13. The method of using as recited in claim 12 , wherein,
the interior component is made from a thermoplastic, a glass fiber-reinforced fiber composite material in a monolithic construction or a sandwich construction, a carbon fiber-reinforced fiber composite material in a monolithic construction or a sandwich construction, and a metal, and
the coating material is used as a finish.
14. The method of using as recited in claim 12 , wherein,
the interior component is made from a glass fiber-reinforced fiber composite material in a monolithic construction or a sandwich construction, a carbon fiber-reinforced fiber composite material in a monolithic construction or a sandwich construction, and
the coating material is used as an in-mold coating.
15. A method of manufacturing a coated component, the method comprising:
providing the coating material as recited in claim 1 ;
applying the coating material to a surface of a component to form a first layer; and
curing the first layer via an IR drying or via a convection drying.
16. The method as recited in claim 15 , further comprising:
applying a further layer of the coating material over the first layer to form a second layer; and
curing the second layer via the IR drying or via the convection drying.
17. The method as recited in claim 16 , wherein the coating material is cured for 5 to 90 min. at a temperature of from 80 to 110° C.
18. The method as recited in claim 16 , further comprising:
printing the first layer or the second layer as a top layer via an inkjet method so as to obtain an imprinted surface.
19. The method as recited in claim 18 , further comprising:
applying an FST-conformal clear coat to the imprinted surface; and
curing the FST-conformal clear coat.