Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
427493, 427494, 427496, 427508, 522 4, C08F 248, C08F 254
An object with a homogeneous matted surface is provided which can be carried out in a simple manner and at low cost. The surface of the object has a thin skin layer produced by UV polymerization at a wavelength of at most 200 nm, and a core or carrier layer, beneath the skin layer, is produced by polymerization with UV radiation of a wavelength of at least 220 nm or by electron beams. A method for producing the matted surface is also provided, wherein a film made of an organic material that can be polymerized by UV radiation or electron beams is applied to a substrate; the film is irradiated with UV radiation of a wavelength of at most 200 nm, with the production of the skin layer at the surface, in which the organic material is at least partially polymerized; and the core area of the film, beneath the skin layer, is irradiated with UV radiation having a wavelength above 220 nm or by electron beams.
patent: 4313969 (1982-02-01), Matthews et al.
patent: 4421784 (1983-12-01), Troue
patent: 5585415 (1996-12-01), Gorzalski et al.
Diehl et al., "UV-Curing with a New Monochromatic UV-Lamp Generation," RadTech Europe 1995, Conference Proceedings, Sep. 25-27, 1995, pp. 48-52.
Heraeus Noblelight GmbH
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