Printed product drying method
A drying method and product technology, applied in the post-processing of printing, printing, general parts of printing machinery, etc., can solve the problems of high cost, unfavorable environmental protection, organic residues, etc., and achieve low cost, simple structure, and high production efficiency Effect
Inactive Publication Date: 2011-10-05
刘洪生 +1
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Problems solved by technology
The disadvantage of this infrared drying device is that a considerable part of the energy is absorbed in the printing material, in which the ink is only heated indirectly, so that rapid drying can only be achieved through a correspondingly high energy input, so the power of the infrared lamp required is relatively large. high power consumption
The heating and drying method requires a huge oven, which leads to a large volume and a complicated structure of the printing machine.
In addition, the cost of using ultraviolet curing is high, which affects the quality of printing, and will produce strong odors, causing environmental pollution, which is not conducive to environmental protection; the structure of electron beam curing is complicated, and the manufacturing cost is high; dry solvent curing needs to be added. Solvents increase the cost and produce organic residues with corresponding toxic and side effects, thus causing certain pollution to the printing working environment
Method used
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[0015] Such as figure 1 As shown, a method for drying printed products of the present invention is provided with two electrodes 1 with a voltage difference, and a high voltage is passed between the two electrodes 1. Air penetration is the standard; a high voltage is passed between the two electrodes 1 to form an electric field corona. Under the condition of electric field discharge, the substrate 3 provided with the printing layer 2 passes between the two electrodes 1 of the high voltage discharge, and the high voltage breaks down the air to form an arc. The arc breaks down a large number of unsaturated bonds contained in the printing layer 2 to break them, and then reacts to form long-bond compounds to achieve the purpose of curing and drying. It has the characteristics of energy saving, environmental protection, high production efficiency, simple structure and low cost. In this embodiment, the two electrodes 1 are two rollers with voltage difference. Of course, if figure...
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The invention relates to a printed product drying method. Two electrodes which have voltage difference are arranged, electric field corona is formed between the two electrodes through high voltage, a base material provided with a printed layer passes through the two electrodes with voltage discharge under the condition of electric field discharge; and under the action of an electric filed, a great amount of unsaturated bonds contained in the printed layer are broken and react to form a long-bond compound, thus realizing curing and drying. The method has the advantages of energy conservation and environment friendliness, high production efficiency, simple structure and low cost.
Description
technical field [0001] The invention relates to a drying method for printed products. Background technique [0002] In the printing process, it is usually necessary to use a drying device to remove the solvent and / or water in the ink attached to the printing material. Currently, the commonly used drying methods include infrared drying, heating and drying, ultraviolet curing, electron beam curing, Drying solvent curing method, etc., wherein the infrared drying method is to install a drying device with an infrared lamp on the printing machine, and use the infrared light emitted by the infrared lamp to dry the solvent and / or water in the ink. The disadvantage of this infrared drying device is that a considerable part of the energy is absorbed in the printing material, in which the ink is only heated indirectly, so that rapid drying can only be achieved through a correspondingly high energy input, so the power of the required infrared lamp is relatively large, and the energy can...
Claims
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IPC IPC(8): B41M7/00B05D3/14
CPCB41M7/0072B41J11/002B41F23/0486
Inventor 刘洪生陈继东
Owner 刘洪生