MULTI-LAYER BODIES MADE OF POLYCARBONATE WITH A DEEP GLOSS EFFECT

1 .- 14 . (canceled)

15 . A multilayer body comprising:

1) a base layer comprising

at least one thermoplastic,

at least one colouring agent selected from the group consisting of structures 1a, 1b:

in which

Ra and Rb independently of each other denote a linear or branched alkyl radical, or halogen;

n independently of each R denotes a natural number between 0 and 3, the radical being hydrogen in the case of n=0, and 2a, 2b:

in which

Rc and Rd independently of each other denote a linear or branched alkyl radical, or halogen;

n independently of each R denotes a natural number between 0 and 3, the radical being hydrogen in the case of n=0;

having a light transmission of less than 1%, and

2) at least on one side of the base layer a polysiloxane-based scratch-resistant coating with a thickness from 2 to 15 μm, comprising at least one UV absorber.

16 . The multilayer body according to claim 15 , wherein the colouring agent of structures (1a), (1b), (2a) and (2b) are each used individually in concentrations from 0.05 wt. % to 0.50 wt. %.

17 . The multilayer body according to claim 15 , wherein a combination of colouring agents of structures (1a), (1b), (2a) and (2b) is used.

18 . The multilayer body according to claim 15 , wherein the base layer contains a combination of colouring agents (1a)/(1b) and/or (2a)/(2b) and at least one further colouring agent selected from the group consisting of

in which

R is selected from the group consisting of H and p-methyl phenylamine radical;

in which

R3 is halogen;

n=4;

in which Rx and Ry denote n-butyl, tert-butyl or methyl,

in which

R1 and R2 independently of each other denote a linear or branched alkyl radical, or halogen;

n denotes a natural number between 0 and 4, and

in which

the radicals R(5-20) are in each case independently of one another hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, neopentyl, hexyl, thexyl, fluorine, chlorine, bromine, sulfone or CN, and

M is selected from the group comprising aluminium, nickel, cobalt, iron, zinc, copper and manganese.

19 . The multilayer body according to claim 15 , wherein the base layer contains carbon black in a concentration of less than 0.03 wt. %.

20 . The multilayer body according to claim 15 , wherein an adhesion-promoting layer having a thickness from 0.3 to 8 μm and containing at least one UV absorber is additionally arranged on the base layer between the base layer and the scratch-resistant layer.

21 . The multilayer body according to claim 15 , wherein the thermoplastic is selected from the group comprising polycarbonate and polycarbonate blends having a melt volume-flow rate from 6 cm 3 /(10 min) to 25 cm 3 /(10 min).

22 . The multilayer body according to claim 15 , wherein the base layer contains a heat stabiliser.

23 . The multilayer body according to claim 15 , wherein a scratch-resistant layer and optionally an adhesion-promoting layer is applied to both sides of the base layer.

24 . The multilayer body according to claim 15 , wherein the scratch-resistant layer is a polysiloxane lacquer.

25 . A method for producing a multilayer body having a deep-gloss appearance, comprising the following steps:

producing the colouring agents 1a, 1b, 2a, 2b,

producing a compound containing the components of the base layer according to claim 15 ,

producing a moulded part from the compound,

coating the moulded part with a scratch-resistant layer in a single-stage coating process.

26 . The method according to claim 25 , wherein a primer layer is applied before the moulded part is coated with the scratch-resistant layer.

27 . The method according to claim 25 , wherein the steps are performed in the specified order.

28 . A method comprising utilizing the multilayer body of claim 15 as an exterior vehicle part, interior vehicle part or for frame parts for glass or polycarbonate glazing systems.