WO2011120331A1 - Drying method for printed matters - Google Patents

Drying method for printed matters Download PDF

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Publication number
WO2011120331A1
WO2011120331A1 PCT/CN2011/000499 CN2011000499W WO2011120331A1 WO 2011120331 A1 WO2011120331 A1 WO 2011120331A1 CN 2011000499 W CN2011000499 W CN 2011000499W WO 2011120331 A1 WO2011120331 A1 WO 2011120331A1
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WIPO (PCT)
Prior art keywords
drying
electrodes
electric field
printed
printed article
Prior art date
Application number
PCT/CN2011/000499
Other languages
French (fr)
Chinese (zh)
Inventor
刘洪生
陈继东
Original Assignee
Liu Hongsheng
Chen Jidong
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liu Hongsheng, Chen Jidong filed Critical Liu Hongsheng
Publication of WO2011120331A1 publication Critical patent/WO2011120331A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0072—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using mechanical wave energy, e.g. ultrasonics; using magnetic or electric fields, e.g. electric discharge, plasma
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0486—Particular types of dryers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating

Definitions

  • the present invention relates to a method of drying a printed article. Background technique
  • the drying methods commonly used are infrared drying method, heating drying method, ultraviolet curing method, and electron beam curing method.
  • the drying method of drying the solvent, etc. wherein the infrared drying method is to provide a drying device with an infrared lamp on the printing machine, and the infrared light emitted by the infrared lamp is used to dry the solvent and/or water in the ink.
  • the disadvantage of such an infrared drying device is that a considerable portion of the energy is absorbed in the printing material, wherein the ink is only heated indirectly, so that only a relatively high energy input can achieve rapid drying, so that the power of the required infrared lamp is large, High consumption.
  • the heating and drying method requires a large oven, which results in a large volume and complicated structure of the printing machine.
  • the high cost of UV curing method affects the quality of printing, and it produces strong odor, which causes environmental pollution and is not conducive to environmental protection.
  • the structure of electron beam curing is complicated and the manufacturing cost is high.
  • the solvent is added, the cost is increased, and the residue of the organic substance is generated, which has corresponding toxic and side effects, thereby causing certain pollution to the printing working environment. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a drying method for a printed product which is energy-saving and environmentally-friendly, has high production efficiency, and has a simple structure and low cost.
  • the present invention is achieved by the following technical solutions: A method for drying a printed article of the present invention, wherein two electrodes are provided with a voltage difference, and an electric field corona is formed by a high voltage between the two electrodes, under the condition of electric field discharge, Substrate with printed layer Passing through the high-voltage discharge two electrodes, under the action of the electric field, a large number of unsaturated bonds contained in the printed layer are broken, and the reaction forms a long-bond compound to cure and dry.
  • the printing layer is an ink or a coating. .
  • oxygen in the electric field corona produces ionization to form ozone, and ozone reacts with the connecting material in the printed layer to form an oxidized conjunctiva to dry. .
  • the solvent in the printed layer is subjected to intense movement under the collision of high-energy electrons to volatilize and form dry.
  • the two electrodes are two rollers having a voltage difference.
  • the two electrodes are two electrode plates having a voltage difference.
  • the substrate is printed or coated.
  • a method for drying a printed article according to the present invention wherein two electrodes are provided with a voltage difference, and an electric field corona is formed between the two electrodes by a high voltage, and a large amount of unsaturated bonds in the printed layer are broken by an electric field.
  • the reaction forms a long bond compound to achieve curing and drying; it has the characteristics of energy saving and environmental protection, high production efficiency, simple structure and low cost.
  • Figure 1 is a schematic view showing a drying method of a printed article of the present invention
  • FIG. 2 is a schematic view of another embodiment of a method of drying a printed article of the present invention.
  • a method for drying a printed article of the present invention is provided with two electrodes 1 having a voltage difference, and the two electrodes 1 pass a high voltage, and the voltage of the high voltage is affected by the air temperature and humidity, and the high pressure is The value is based on the breakdown air; the electric field corona is formed by the high voltage between the two electrodes 1.
  • the substrate 3 provided with the printed layer 2 passes between the high voltage discharge electrodes 1 and the high voltage penetrates the air. An arc is formed, and the arc breaks through a large amount of unsaturated bonds contained in the printed layer 2 to break it, and then reacts to form a long bond compound for the purpose of curing and drying.
  • the two electrodes 1 are two. A roller with a voltage difference. Of course, as shown in FIG. 2, the two electrodes 1 may also be two electrode plates having a voltage difference.
  • the substrate 3 is a printed matter. Of course, the substrate may also be coated.
  • the printing layer 2 is an ink. Of course, the printing layer may also be a coating. .
  • oxygen in the electric field corona generates ionization to form ozone
  • the ozone and the binder in the ink undergo oxidation reaction to form an oxidized conjunctiva to dry.
  • the solvent in the oil-ink reacts under the collision of high-energy electrons to generate intense motion and volatilize to form dryness. It can achieve better drying effect and improve drying efficiency.
  • an electric field corona is formed between the two electrodes by a high voltage, and a large amount of unsaturated bonds contained in the printed layer are under the action of the electric field. Breaking, the reaction forms a long-bond compound to achieve curing and drying; it has the characteristics of energy saving and environmental protection, high production efficiency, simple structure and low cost.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Printing Methods (AREA)
  • Drying Of Solid Materials (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Abstract

A method for drying printed matters is disclosed. The method includes the following steps: providing two electrodes (1) with voltage difference, forming an electric field corona between the two electrodes by high voltage, and making a substrate (3) with a printing layer (2) pass through the two high voltage electric discharging electrodes (1) under the condition of the discharging of the electric field. Unsaturated bonds contained in the printing layer (2) are ruptured to form long-bond compounds under the action of electric field, thus attaining to curing and drying. Said method has advantages of energy saving, environmental protection, and high production efficiency. The device used has a simple structure and low cost.

Description

说 明 书 一种印刷制品的干燥方法 技术领域  Description A method for drying printed products
本发明涉及一种印刷制品的干燥方法。 背景技术  The present invention relates to a method of drying a printed article. Background technique
在印刷过程中， 通常需要利用干燥装置去除附着在承印材料上的油墨中 的溶剂和. /或水， 目前常用的干燥方式有红外线干燥方式、 加热烘干方式、 紫外线固化方式、 电子束固化方式、 干燥溶剂固化方式等， 其中红外线干燥 方式是在印刷机上设置带有红外线灯的干燥装置， 利用红外线灯发射的红外 线光干燥油墨中的溶剂和 /或水。 这种红外线干燥装置的缺点是在承印材料 中吸收了相当一部分的能量， 其中油墨仅被间接加热， 这样只有通过相应高 的能量输入才能达到快速干燥， 因而所需红外线灯的功率较大， 能耗较高。 而加热烘干方式则需要庞大的烘箱， 因而导致印刷机的体积大， 结构复杂。 -另， 釆用紫外线固化方式的成本高， 影响印刷的质量， 并且会产生浓烈的气 味， 造成环境的污染， 不利于环保； 电子束固化方式的结构复杂， 制造成本 高； 干燥溶剂固化方式需要另外增加溶剂， 增加了成本， 且会产生有机物的 残留物， 具有相应的毒副作用，. 因而对印刷工作环境会造成一定的污染。 发明内容  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 drying methods commonly used are infrared drying method, heating drying method, ultraviolet curing method, and electron beam curing method. The drying method of drying the solvent, etc., wherein the infrared drying method is to provide a drying device with an infrared lamp on the printing machine, and the infrared light emitted by the infrared lamp is used to dry the solvent and/or water in the ink. The disadvantage of such an infrared drying device is that a considerable portion of the energy is absorbed in the printing material, wherein the ink is only heated indirectly, so that only a relatively high energy input can achieve rapid drying, so that the power of the required infrared lamp is large, High consumption. The heating and drying method requires a large oven, which results in a large volume and complicated structure of the printing machine. - In addition, the high cost of UV curing method affects the quality of printing, and it produces strong odor, which causes environmental pollution and is not conducive to environmental protection. The structure of electron beam curing is complicated and the manufacturing cost is high. In addition, the solvent is added, the cost is increased, and the residue of the organic substance is generated, which has corresponding toxic and side effects, thereby causing certain pollution to the printing working environment. Summary of the invention
本发明要解决的技术问题是提供一种节能环保、 生产效率高， 且结构简 单、 成本低的印刷制品的干燥方法。 本发明是通过以下技术方案来实现的： 本发明的一种印刷制品的干燥方法， 设置有电压差的二个电极， 二个电 极之间通过高压形成电场电暈， 在电场放电的条件下， 设置有印刷层的基材 在高压放电二电极间通过， 在电场的作用下， 印刷层中含有的大量的不饱和 键断裂,. 反应形成长键化合物达到固化干燥。 The technical problem to be solved by the present invention is to provide a drying method for a printed product which is energy-saving and environmentally-friendly, has high production efficiency, and has a simple structure and low cost. The present invention is achieved by the following technical solutions: A method for drying a printed article of the present invention, wherein two electrodes are provided with a voltage difference, and an electric field corona is formed by a high voltage between the two electrodes, under the condition of electric field discharge, Substrate with printed layer Passing through the high-voltage discharge two electrodes, under the action of the electric field, a large number of unsaturated bonds contained in the printed layer are broken, and the reaction forms a long-bond compound to cure and dry.
作为改进， 所述印刷层为油墨或涂料。 .  As an improvement, the printing layer is an ink or a coating. .
作为改进， 在电场电暈中的氧产生电离形成臭氧， 臭氧与印刷层中的连 接料发生氧化反应， 形成氧化结膜干燥。 .  As an improvement, oxygen in the electric field corona produces ionization to form ozone, and ozone reacts with the connecting material in the printed layer to form an oxidized conjunctiva to dry. .
作为改进， 在电场电暈的作用下， 印刷层中的溶剂在高能电子的碰撞 下， 产生激烈的运动而挥发形成干燥。  As an improvement, under the action of the electric field corona, the solvent in the printed layer is subjected to intense movement under the collision of high-energy electrons to volatilize and form dry.
作为改进， 所述二个电极为二个有电压差的滚轴。  As a modification, the two electrodes are two rollers having a voltage difference.
作为改进， 所述二个电极为二个有电压差的电极板。  As an improvement, the two electrodes are two electrode plates having a voltage difference.
作为改进， 所述基材为印刷品或涂布。  As an improvement, the substrate is printed or coated.
本发明的一种印刷制品的干燥方法， 由于设置有电压差的二个电极， 二 个电极之间通过高压形成电场电暈， 在电场的作用下， 印刷层中含有的大量 的不饱和键断裂， 反应形成长键化合物达到固化干燥； 其具有节能环保、 生 产效率高， 且结构简单、 成本低的特点。  A method for drying a printed article according to the present invention, wherein two electrodes are provided with a voltage difference, and an electric field corona is formed between the two electrodes by a high voltage, and a large amount of unsaturated bonds in the printed layer are broken by an electric field. The reaction forms a long bond compound to achieve curing and drying; it has the characteristics of energy saving and environmental protection, high production efficiency, simple structure and low cost.
附图说明 DRAWINGS
为了易于说明， 本发明由下述的较佳实施例及附图作以详细描述。  For ease of description, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.
图 1为本发明印刷制品的干燥方法的示意图；  Figure 1 is a schematic view showing a drying method of a printed article of the present invention;
图 2为本发明印刷制品的干燥方法的另一实施例的示意图。  2 is a schematic view of another embodiment of a method of drying a printed article of the present invention.
具体实施方式 detailed description
如图 1所示， 本发明的一种印刷制品的干燥方法， 设置有电压差的二个 电极 1， 二个电极 1之间通过高压， 高压的伏数受空气温度， 湿度的影响， 高压的数值以击穿空气为标准； 二个电极 1之间通过高压形成电场电暈， 在 电场放电的条件下， 设置有印刷层 2的基材 3在高压放电二电极 1间通过， 高压击穿空气形成电弧， 电弧击穿印刷层 2中含有的大量的不饱和键使之断 裂， 再反应形成长键化合物达到固化干燥的目的。 其具有节能环保、 生产效 :率高， 且结构简单、 成本低的特点。 在本实施例中， 所述二个电极 1为二个 有电压差的滚轴。 当然， 如图 2所示， 所述二个电极 1也可为二个有电压差 的电极板。 所述基材 3为印刷品， 当然， 所述基材也可为涂布。 所述印刷层 2为油墨， 当然， 所述印刷层也可以为涂料。 . As shown in FIG. 1, a method for drying a printed article of the present invention is provided with two electrodes 1 having a voltage difference, and the two electrodes 1 pass a high voltage, and the voltage of the high voltage is affected by the air temperature and humidity, and the high pressure is The value is based on the breakdown air; the electric field corona is formed by the high voltage between the two electrodes 1. Under the condition of electric field discharge, the substrate 3 provided with the printed layer 2 passes between the high voltage discharge electrodes 1 and the high voltage penetrates the air. An arc is formed, and the arc breaks through a large amount of unsaturated bonds contained in the printed layer 2 to break it, and then reacts to form a long bond compound for the purpose of curing and drying. It has the characteristics of energy saving, environmental protection, production efficiency : high rate, simple structure and low cost. In this embodiment, the two electrodes 1 are two. A roller with a voltage difference. Of course, as shown in FIG. 2, the two electrodes 1 may also be two electrode plates having a voltage difference. The substrate 3 is a printed matter. Of course, the substrate may also be coated. The printing layer 2 is an ink. Of course, the printing layer may also be a coating. .
另， 在干燥的过程中， 在电场电暈中的氧产生电离形成臭氧， 臭氧与油 墨中的连接料发生氧化反应， 形成氧化结膜干燥。 在电场电暈的作用下， 油 -墨中的溶剂在高能电子的碰撞下， 产生激烈的运动而挥发形成干燥。 可以达 到更好的干燥效果， 提高干燥效率。  In addition, during the drying process, oxygen in the electric field corona generates ionization to form ozone, and the ozone and the binder in the ink undergo oxidation reaction to form an oxidized conjunctiva to dry. Under the action of electric field corona, the solvent in the oil-ink reacts under the collision of high-energy electrons to generate intense motion and volatilize to form dryness. It can achieve better drying effect and improve drying efficiency.
本发明的一种印刷制品的千燥方法， 由于设置有电压差的二个电极， 二 个电极之间通过高压形成电场电暈， 在电场的作用下， 印刷层中含有的大量 的不饱和键断裂， 反应形成长键化合物达到固化干燥； 其具有节能环保、 生 产效率高， 且结构简单、 成本低的特点。  In the method for drying a printed article of the present invention, due to the two electrodes provided with a voltage difference, an electric field corona is formed between the two electrodes by a high voltage, and a large amount of unsaturated bonds contained in the printed layer are under the action of the electric field. Breaking, the reaction forms a long-bond compound to achieve curing and drying; it has the characteristics of energy saving and environmental protection, high production efficiency, simple structure and low cost.
上述实施例， 只是本发明的一个具体实例， 并不是用来限制本发明权利 范围， 凡依据本发明所作的等效变化和修饰， 均应包括在本发明的专利要求 范围内。  The above-mentioned embodiments are only a specific example of the present invention, and are not intended to limit the scope of the present invention, and equivalent changes and modifications made in accordance with the present invention are included in the scope of the claims of the present invention.

Claims

杈 利 要 求 书 要利要要
.1 . .一种印刷制品的干燥方法， 其特征是： 设置有电压差的二个电极， 二个电极之间通过高压形成电场电暈， 在电场放电的条件下， 设置有印刷层 的基材在高压放电二电极间通过， 在电场的作用下， 印刷层中含有的大量的 :不饱和键断裂， 反应形成长键化合物达到固化干燥。 A method for drying a printed article, characterized in that: two electrodes provided with a voltage difference, an electric field corona is formed by a high voltage between the two electrodes, and a base of the printed layer is provided under the condition of electric field discharge in the sheet by high-voltage discharge between two electrodes, the electric field under the printing layer contains a large amount of: an unsaturated bond breaking, to form a compound bond to achieve long curing and drying.
2 . 根据权利要求 .1所述的印刷制品的干燥方法， 其特征是： 所述印刷 层为油墨或涂料。  A method of drying a printed article according to claim 1, wherein: said printing layer is an ink or a coating.
3 . 根据权利要求 1所述的印刷制品的干燥方法， 其特征是： 在电场电 暈中的氧产生电离形成臭氧， 臭氧与印刷层中的连接料发生氧化反应， 形成 氧化结膜干燥。  A method of drying a printed article according to claim 1, wherein: oxygen in the electric field corona generates ionization to form ozone, and ozone reacts with the binder in the printed layer to form an oxidized conjunctiva to dry.
4 . 根据权利要求 1所述的印刷制品的干燥方法， 其特征是： 在电场电 暈的作用下, 印刷层中的溶剂在高能电子的碰撞下， 产生激烈的运动而挥发 形成干燥。  A method of drying a printed article according to claim 1, wherein: under the action of the electric field corona, the solvent in the printed layer is subjected to intense movement under the collision of high-energy electrons to volatilize and form dry.
5 . 根据权利要求 1至 4任一所述的印刷制品的干燥方法， 其特征是： 所述二个电极为二个有电压差的滚轴。  A method of drying a printed article according to any one of claims 1 to 4, wherein the two electrodes are two rollers having a voltage difference.
6 . 根据权利要求 1至 4任一所述的印刷制品的干燥方法， 其特征是： 所述二个电极为二个有电压差的电极板。  The method of drying a printed article according to any one of claims 1 to 4, wherein the two electrodes are two electrode plates having a voltage difference.
7 . 根辑权利要求 1至 4任一所述的印刷制品的干燥方法， 其特征是： 所述基材为印刷品或涂布。  A method of drying a printed article according to any one of claims 1 to 4, characterized in that the substrate is printed or coated.
PCT/CN2011/000499 2010-03-31 2011-03-25 Drying method for printed matters WO2011120331A1 (en)

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CN2010101406368A CN102205758A (en) 2010-03-31 2010-03-31 Printed product drying method

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US10155396B2 (en) 2014-07-30 2018-12-18 Hewlett-Packard Development Company, L.P. Ion writing unit with air flow

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