LAMINATES COMPRISING LIGHT-BLOCKING SUBSTRATES

1 . A laminate substrate for use in automotive applications comprising:

(a) a substrate (a); and

(b) a light-blocking substrate (b) comprising:

(i) a porous substrate (i); and

(ii) a pigmented coating (ii) applied on the porous substrate (i);

wherein the light-blocking substrate (b) is applied on the substrate (a), with the pigmented coating (ii) facing the surface of the substrate (a).

2 . The laminate substrate according to claim 1 , wherein the porous substrate (i) comprises a polyolefin, a polyester, a polyamide, a polyurethane, a polyurea, a polycarbonate, a polysiloxane, a poly(meth)acrylate, a copolymer thereof, or a mixture thereof; and/or

wherein the porous substrate (i) has a thickness in a range of from 100 μm to 600 μm, measured according to ASTM D-374-16.

3 . The laminate substrate according to claim 1 , wherein the porous substrate (i) comprises an inorganic filler.

4 . The laminate substrate according to claim 3 , wherein the inorganic filler comprises silica, alumina, calcium oxide, zinc oxide, magnesium oxide, titanium oxide, zirconium oxide, or a mixture thereof.

5 . The laminate substrate according to claim 1 , wherein the substrate (a) comprises a fluoropolymer, a polyethylene terephthalate, a polybutylene terephthalate, a polyolefin, a polycarbonate, a polyacrylate, a polystyrene, a polymethyl(meth)acrylate, an acrylonitrile butadiene styrene copolymer, an acrylonitrile butadiene styrene copolymer blend with polycarbonate, an acrylonitrile styrene acrylate copolymer, an acrylonitrile styrene acrylate copolymer blend with polycarbonate, a polycarbonate blend with polybutylene terephthalate, a copolymer thereof, or a mixture thereof; and/or

wherein the substrate (a) is transparent.

6 . The laminate substrate according to claim 1 , wherein the substrate (a) has a thickness in a range of from 10 to 1,500 μm, measured according to DIN EN ISO2178:2016; and/or

wherein the substrate (a) is a polymer film.

7 . The laminate substrate according to claim 1 , wherein the light-blocking substrate (b) further comprises an additional pigmented coating (iii) between the porous substrate (i) and the pigmented coating (ii).

8 . The laminate substrate according to claim 7 , wherein the additional pigmented coating (iii) comprises a white pigment; and/or

wherein the additional pigmented coating (iii) comprises poly(meth)acrylate, polyolefin, polyester, polysiloxane, epoxy resin, polyurethane, polyamide, polycarbonate, polyisocyanate, polyol, a copolymer thereof, or a mixture thereof; and/or

wherein the additional pigmented coating (iii) has a dry film thickness in a range of from 3 to 100 μm, measured according to DIN EN ISO 2178:2016.

9 . The laminate substrate according to claim 1 , wherein the pigmented coating (ii) comprises poly(meth)acrylate, polyolefin, polyester, polysiloxane, epoxy resin, polyurethane, polyamide, polycarbonate, polyisocyanate, polyol, a copolymer thereof, or a mixture thereof; and/or

wherein the pigmented coating (ii) has a dry film thickness in a range of from 3 to 100 μm, measured according to DIN EN ISO 2178:2016.

10 . The laminate substrate according to claim 1 , wherein the pigmented coating (ii) comprises a black pigment; and/or

wherein the pigmented coating (ii) comprises charcoal, lamp black, carbon black, furnace black, graphite, graphene, vine black, perylene black, iron oxide black, or a mixture thereof; and or

wherein the pigmented coating (ii) is opaque.

11 . The laminate substrate according to claim 1 , wherein the light-blocking substrate (b) comprises a perforation.

12 . The laminate substrate according to claim 1 further comprising a plastic layer (c), wherein the light-blocking substrate (b) may be applied on the plastic layer (c) with the porous substrate (i) facing the surface of the plastic layer (c).

13 . A method for preparing a laminate substrate comprising:

applying a light-blocking substrate (b) on a substrate (a), wherein the light-blocking substrate (b) comprises:

(i) a porous substrate (i); and

(ii) a pigmented coating (ii) applied on the porous substrate (i);

wherein the light-blocking substrate (b) is applied on the substrate (a) with the pigmented coating (ii) facing the surface of the substrate (a).

14 . The method according to claim 13 , wherein the light-blocking substrate (b) is applied on the substrate (a) by lamination.

15 . The method according to claim 13 , wherein the light-blocking substrate (b) further comprises an additional pigmented coating (iii) between the porous substrate (i) and the pigmented coating (ii).

16 . (canceled)

17 . A laminate substrate prepared by the method according to claim 13 .

18 . A method for preparing a molded laminate substrate comprising:

thermoforming the laminate substrate prepared by the method according to claim 13 .

19 . The method according to claim 18 , further comprising injection back molding or casting with a plastic material forming a plastic layer (c) behind the laminate substrate on the surface of the laminate substrate comprising the light-blocking substrate with the porous substrate (i) facing the plastic layer (c).

20 . (canceled)