Flatting modification technology of edge band surface UV curable varnish
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A technology of edge banding and varnish, which is applied in the direction of coating, epoxy resin coating, polyester coating, etc., can solve the problems of unstable gloss, wear resistance, low hardness, etc., to avoid the effect of oxygen inhibition, Effect of improving quality and prolonging service life
Inactive Publication Date: 2018-07-17
DONGGUAN HUALI INDUSTRIES CO LTD
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Problems solved by technology
[0004] The invention provides a matting modification technology of UV varnish on the surface of an edge banding strip, so as to at least solve the problems of unstable gloss, low wear resistance and low hardness in the prior art after the ultra-matte UV varnish is coated on the edge banding strip
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Embodiment 1
[0021] Embodiment 1 of the present invention, the UV varnish extinction modification method comprises the following steps:
[0022] Step 1: Turn on the UV curing equipment N 2 Replace, remove the oxygen in the curing box, so that the oxygen in the curing equipment 2 Concentration≤500PPM;
[0023] Step 2: The PVC substrate is moved at a constant speed of 35m / min driven by the drive wheel of the printing machine, and the high-brightness UV varnish is coated on the surface of the substrate by flexographic printing through a silicone roller, so that the viscosity of the varnish coating is distributed in the 20~25s, the substrate surface temperature is 25℃ during coating;
[0024] Step 3: Use 172nm excimer VUV lamp to radiate and cure the UV varnish for the varnish on the surface of the substrate, and the curing speed is 35m / min;
[0025] Step 4: Use a high-pressure mercury lamp to radiate and cure the UV varnish, the power of the high-pressure mercury lamp is 5KW, and the radia...
Embodiment 2
[0027] Embodiment two of the present invention, the UV varnish extinction modification method comprises the following steps:
[0028] Step 1: Turn on the UV curing equipment N 2 Replace, remove the oxygen in the curing box, so that the oxygen in the curing equipment 2 Concentration≤500PPM;
[0029] Step 2: The ABS substrate is moved at a constant speed of 55m / min driven by the drive wheel of the printing machine, and the ordinary bright UV varnish is coated on the surface of the substrate by flexographic printing through a silicone roller, so that the viscosity of the varnish coating is distributed in the 20~25s, the substrate surface temperature is 25℃ during coating;
[0030] Step 3: Use 172nm excimer VUV lamp to radiate and cure the UV varnish on the surface varnish of the substrate, and the curing speed is 55m / min;
[0031] Step 4: Use a high-pressure mercury lamp to radiate and cure the UV varnish, the power of the high-pressure mercury lamp is 5KW, and the radiation e...
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Abstract
The invention discloses a flatting modification technology of edge band surface UV curable varnish. The flatting modification technology comprises the following steps that the UV curable varnish is printed on the surfaces of base materials; N2 is introduced into curing equipment to exhaust air; the base materials pass through short-wave and long-wave UV curing equipment at certain speed in sequence. In an existing edge band surface low-glossiness modification method, a flatting agent is added into the UV curable varnish so that the flatting agent can be distributed on the surface of the paintfilm formed by the UV curable varnish after the paint film is cured and shrunken, reflection of incident rays is reduced to achieve the flatting effect, however, the glossiness of the formed paint film is not uniform, and the uniform flatting pain film cannot be formed. Besides, the addition of the flatting agent easily lowers the curing speed, the surface hardness and the wear resistance of the curable varnish, the touch feeling of the paint film is not obvious, and the requirement of a client for high-quality low-glossiness paint film cannot be met. By means of the flatting modification technology of the edge band surface UV curable varnish, low-transmission ultraviolet light and long-wave ultraviolet light are adopted in sequence to irradiate the UV curable varnish, the paint film withwrinkling skin layers is formed, and the problems are effectively solved that the flatting paint film is instable in glossiness, and low in hardness and wear resistance.
Description
technical field [0001] The invention relates to a matting modification technology of UV varnish on the surface, in particular to a matting modification technique of UV varnish on the surface of an edge band, and belongs to the technical field of furniture and home decoration materials. Background technique [0002] The surface gloss, wear resistance, hardness and other inherent properties of semi-rigid edge strips such as PVC and ABS are poor, and it is difficult to improve their inherent properties by adjusting their substrate or raw material formula, and the efficiency is high. Low, it is difficult to meet customer requirements. The existing technology often adopts surface modification methods such as coating varnish to improve the performance of semi-rigid edge strips such as PVC and ABS. In some cases of optical properties, it can effectively improve weather resistance, anti-reflection, abrasion resistance and pollution resistance. [0003] However, the super-matt coat...
Claims
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Application Information
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