UV extruding and transfer printing forming process
A molding process and printing layer technology, applied in the field of UV extrusion transfer molding process, can solve the problem of low curvature and achieve the effect of high curvature extrusion transfer and good adhesion
Inactive Publication Date: 2011-08-31
CORYOR SURFACE TREATMENT
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Abstract
The invention relates to an ultraviolet (UV) extruding and transfer printing forming process, which comprises the following steps of: performing first-stage drying, namely heating a transfer printing film which is provided with a basal layer, a de-bonding layer, a UV protective layer, a printing layer and a hot melt adhesive layer in turn, so that the de-bonding layer, the UV protective layer, the printing layer and the hot melt adhesive layer can be formed on the basal layer, and the UV protective layer is kept to have flexural ductility; performing extruding and transfer printing, namely heating to melt the hot melt adhesive layer, pressing and attaching one side of the hot melt adhesive layer of the transfer printing film to the surface of an extruded workpiece by using a pressing wheel, so that the printing layer and the UV protective layer can be adhered to the surface of the extruded workpiece by the hot melt adhesive layer; de-bonding, namely tearing off the basal layer, and ensuring that the UV protective layer and the printing layer are still adhered to the surface of the extruded workpiece by the hot melt adhesive layer; and performing second-stage drying, namely irradiating UV rays to the surface of the extruded workpiece to facilitate curing the UV protective layer. By the process, the UV protective layer still keeps flexural tension and high adhesion in the extruding and transfer printing process, and high-curvature extruding and transfer printing without fragmentation can be performed.
Application Domain
Decorative surface effects
Technology Topic
DuctilityEngineering +7
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