WO2014043978A1 - Color-changing process for paper printing and printed paper with changeable color - Google Patents
Color-changing process for paper printing and printed paper with changeable color Download PDFInfo
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- WO2014043978A1 WO2014043978A1 PCT/CN2012/083514 CN2012083514W WO2014043978A1 WO 2014043978 A1 WO2014043978 A1 WO 2014043978A1 CN 2012083514 W CN2012083514 W CN 2012083514W WO 2014043978 A1 WO2014043978 A1 WO 2014043978A1
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- color
- layer
- image
- paper
- printing
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- 238000007639 printing Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000007645 offset printing Methods 0.000 claims abstract description 15
- 238000013461 design Methods 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 96
- 239000002344 surface layer Substances 0.000 claims description 25
- 238000002845 discoloration Methods 0.000 claims 7
- 239000000463 material Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007650 screen-printing Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000012216 screening Methods 0.000 description 5
- 230000003796 beauty Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- -1 such as a fly Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/06—Lithographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
Definitions
- the present invention relates to the field of paper printing technology, and more particularly to a printing method and a color-changeable paper printing product which can make a paper product exhibit a color changing effect.
- the method further comprises: printing the surface layer image layer on the surface of the monochromatic color changing ink layer, specifically comprising: using a monochromatic ink on the surface of the monochromatic color changing ink layer Offset monochrome surface layer or offset color image layer with four-color ink.
- the surface of the monochromic color changing ink layer is further provided with a monochrome surface layer image layer printed by a monochrome color changing ink or a color surface layer image layer printed with a four-color color changing ink, so that the surface layer image is completely transparent after being exposed to water, and the complete bottom layer is exposed.
- the image makes the product successfully evolve into another pattern.
- the present invention has the following advantages:
- the color or surface image layer of the color changing ink layer is present.
- the water color changing ink layer becomes transparent, exhibiting the underlying image and realizing the color changing effect; and after the water evaporates, the surface of the product is evaporated.
- Presenting a color or a superficial image layer of the color changing ink layer; or, the surface layer of the surface layer of the color changing ink layer is required to have a small offset thickness of the portion of the surface layer that is exposed to water, and the remaining portion of the offset printing thickness is adjusted to a normal thickness.
- Figure 3 is a cross-sectional view of the product of the third embodiment of the present invention. detailed description
- the embodiment provides a paper printing color changing process, as shown in FIG. 1 , which comprises the following steps: cutting a paper according to a product design size to form a paper printing substrate;
- the function of the monochromatic color changing ink layer is to cover the bottom layer of the image layer when water is not in contact, and to print various patterns on the pure surface layer according to product design requirements, and when wetted in water, It becomes transparent and the underlying image appears.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- the embodiment provides a paper printing color changing process, as described in FIG. 2, which comprises the following steps: cutting a paper according to a product design size to form a paper printing substrate;
- the surface of the monochromatic color changing ink layer is offset or screen printed with an image layer: a monochrome color changing ink may be used on the surface of the monochromatic color changing ink layer to print a monochrome surface layer, or a four color changing ink screen printing color surface layer may be used.
- the image layer may also be a surface layer of a monochrome ink-offset monochromatic image layer on the surface of the monochromic color-changing ink layer or a surface layer layer of a color-printed color using a four-color ink, which is required to pass through the underlying image layer.
- Part of the offset thickness is adjusted to be small, and the remaining part of the offset thickness is adjusted to a normal thickness, so that after the water is encountered, the moisture can penetrate the image portion with a small offset thickness, and the underlying image of the portion is visualized according to product design requirements;
- Embodiment 3 is a diagrammatic representation of Embodiment 3
- This embodiment provides a color-changeable paper printed product produced by the method of the first embodiment, as shown in FIG. 3, which includes:
- a paper substrate 10 an underlying image layer 20 offset on the surface of the paper substrate 10, coated on the A transparent oil film 30 on the surface of the underlying image layer 20 and a monochromatic color changing ink layer 40 imprinted on the surface of the transparent oil film 30.
- the color-changeable paper print of the present embodiment exhibits a white color (or other monochromatic color) of the color-changing ink layer 40 when water is not encountered. After the water is encountered, the monochromatic color-changing ink layer 40 absorbs water to become transparent, and the underlying image layer is present. 20.
- Embodiment 4 is a diagrammatic representation of Embodiment 4:
- the monochromatic surface layer image layer or the color surface layer image layer printed with the four-color color-changing ink makes the surface layer completely transparent after being exposed to water; in the dry state, the surface layer image is visualized, and after the water is encountered, the surface layer image layer is The wetting becomes transparent, revealing the underlying image 20 as seen by the product design requirements.
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- Printing Methods (AREA)
Abstract
Disclosed are a color-changing process for paper printing and printed paper with changeable color. The process comprises the following steps: cutting paper according to the designed size of a product, to make a printing substrate (10); offset-printing an underlying image on a surface of the substrate (20); coating a transparent oil film on a surface of the underlying image (30); screen-printing a monochromatic color-changing ink layer on a surface of the transparent oil film (40); forming a complete product by combining according to product design requirements. When the product does not contact water, the white of the color-changing ink layer or a surface image layer is presented; after the product contacts water, the color-changing ink layer absorbs water to be transparent, and the underlying image is presented, so as to achieve the color changing effect; after the water evaporates, the white of the color-changing ink layer or the surface image layer is presented again on the product surface, so that the product can be used repeatedly. Further, the product is made by using a paper substrate, so that the product has advantages of being low in cost, light, and easily portable, and having desirable market prospects.
Description
一种纸品印刷变色工艺及可变色的纸质印刷品 Paper printing color changing process and color changeable paper printing
技术领域 Technical field
本发明涉及纸品印刷技术领域,尤其是一种可使纸品呈现出变色效果的印 刷方法及可变色的纸质印刷品。 The present invention relates to the field of paper printing technology, and more particularly to a printing method and a color-changeable paper printing product which can make a paper product exhibit a color changing effect.
背暈技术 Halo technology
目前,通过变换视觉角度而产生画面变化的通常是塑胶类产品 ,纸质印刷 品方面尚无法实现类似效果。 At present, it is usually plastic products that produce picture changes by changing the visual angle, and similar effects cannot be achieved in paper printing.
另一方面,随着社会经济的发展,人们对于娱乐或游戏种类和效果的要求 越来越高,需要效果新颖、 趣味性强且安全性好、 成本低、 可持续使用的娱乐 玩具,但目前符合上述要求的产品并不多。 以金属飞镖为例,金属飞镖是镖头 带利刃的飞镖通过大力投掷,使利刃刺入标靶而不掉落来判断结果,在飞镖飞 行过程中极易造成破环性伤害,而且这种标靶在使用多次后, 因飞镖在标靶上 扎的孔太多而不能反复使用。 如果出现一种没有安全隐患的且可反复使用的标 靶类游戏工具,则必然会有极大的推广价值。 由此,水与遇水可变色的印刷品 就成为一种理想的组合。 发明内容 On the other hand, with the development of social economy, people are increasingly demanding the types and effects of entertainment or games, and they need entertainment toys that are novel, interesting, safe, low-cost, and sustainable. There are not many products that meet the above requirements. Take the metal darts as an example. The metal darts are the darts with sharp edges and sharp throws, so that the sharp edge penetrates the target without falling to judge the result. It is easy to cause damage in the process of flying darts, and this kind of standard After the target is used for many times, the darts cannot be used repeatedly because there are too many holes in the target. If there is a target game tool that has no security risks and can be used repeatedly, it will inevitably have great promotion value. As a result, water and water-repellent prints are an ideal combination. Summary of the invention
有鉴于此,有必要针对背景技术中提到的问题,提供一种新型的纸品印刷 变色工艺及可变色的纸质印刷品。 In view of the above, it is necessary to provide a novel paper printing color changing process and a color changeable paper print for the problems mentioned in the background art.
本发明是通过以下技术方案实现的: The invention is achieved by the following technical solutions:
一种纸品印刷变色工艺,其特征在于:包括以下步骤: A paper printing color changing process characterized by comprising the following steps:
按照产品设计尺寸裁纸,制成纸质印刷基材; Cut paper according to the product design size to make a paper printing substrate;
在所述基材表面胶印底层图像层; Offset the underlying image layer on the surface of the substrate;
在所述底层图像层表面涂覆透明油膜; Coating a transparent oil film on the surface of the bottom image layer;
在所述透明油膜表面丝印单色变色油墨层;
按照产品设计要求组合成型完整产品。 Screening a monochromatic color changing ink layer on the surface of the transparent oil film; Form a complete product according to product design requirements.
所述的在所述透明油膜表面丝印单色变色油墨层步骤之后,还包括在所述 单色变色油墨层表面胶印表层图像层,具体包括:在所述单色变色油墨层表面 采用单色油墨胶印单色的表层图像层或采用四色油墨胶印彩色的表层图像层。 After the step of screen printing the monochromatic color changing ink layer on the surface of the transparent oil film, the method further comprises: printing the surface layer image layer on the surface of the monochromatic color changing ink layer, specifically comprising: using a monochromatic ink on the surface of the monochromatic color changing ink layer Offset monochrome surface layer or offset color image layer with four-color ink.
在所述单色变色油墨层表面胶印表层图像层的步骤中 ,需要遇水透出所述 底层图像的部分的胶印厚度小于其余部分的胶印厚度,使得遇水后,水分可渗 透胶印厚度小的图像部分,显现出该部分的底层图像。 In the step of offsetting the surface layer image layer on the surface of the monochromic color changing ink layer, the offset thickness of the portion that needs water to see through the bottom layer image is smaller than the offset thickness of the remaining portion, so that the moisture permeable adhesive has a small thickness after water contact. The image portion shows the underlying image of the portion.
所述的在所述透明油膜表面丝印单色变色油墨层步骤之后,还包括在所述 单色变色油墨层表面丝印表层图像层,具体包括:在所述单色变色油墨层表面 采用单色变色油墨丝印单色表层图像层或采用四色变色油墨丝印彩色表层图像 艮。 The step of silk-screening the surface layer image on the surface of the monochromatic color-changing ink layer after the step of silk-screening the monochromatic color-changing ink layer on the surface of the transparent oil film comprises: monochromatic color change on the surface of the monochromatic color-changing ink layer Ink screen printing of a monochrome surface layer or a four-color coloring ink screen printing color surface image.
一种可变色的纸质印刷品 ,其包括: A color changeable paper print comprising:
纸质基材、 胶印于所述纸质基材表面的底层图像层、 涂覆于所述底层图像 层表面的透明油膜及丝印于所述透明油膜表面的单色变色油墨层。 A paper substrate, an underlying image layer that is offset on the surface of the paper substrate, a transparent oil film applied to the surface of the underlying image layer, and a monochromatic color changing ink layer that is silk-printed on the surface of the transparent oil film.
所述单色变色油墨层表面还设有采用单色油墨胶印的单色的表层图像层或 采用四色油墨胶印的彩色表层图像层。 The surface of the monochromatic color-changing ink layer is further provided with a monochromatic surface layer image layer which is offset by a single color ink or a color surface layer image layer which is offset by a four-color ink.
所述表层图像层的需要遇水透出所述底层图像的部分的胶印厚度小于其余 部分的胶印厚度,使得遇水后,水分可渗透胶印厚度小的图像部分,显现出该 部分的底层图像。 The offset thickness of the surface image layer that needs to pass through the bottom image is less than the offset thickness of the remaining portion, so that after the water is encountered, the moisture permeable to the image portion having a small offset thickness exhibits the underlying image of the portion.
所述单色变色油墨层表面还设有采用单色变色油墨丝印的单色表层图像层 或采用四色变色油墨丝印的彩色表层图像层,使得表层图像遇水后完全透明 , 透出完整的底层图像,使产品成功演变成另一种图案。 The surface of the monochromic color changing ink layer is further provided with a monochrome surface layer image layer printed by a monochrome color changing ink or a color surface layer image layer printed with a four-color color changing ink, so that the surface layer image is completely transparent after being exposed to water, and the complete bottom layer is exposed. The image makes the product successfully evolve into another pattern.
与现有技术相比,本发明具备如下优点: Compared with the prior art, the present invention has the following advantages:
本发明之产品不遇水时,呈现出变色油墨层的颜色或者表层图像层,遇水 后,变色油墨层吸水变为透明 ,呈现出底层图像,实现了变色效果;而水蒸发 后,产品表面又呈现出变色油墨层的颜色或者表层图像层;或者,胶印于变色 油墨层表面的表层图像层的需要遇水透出底层图像的部分的胶印厚度小,而其 余部分的胶印厚度调为正常厚度,使得遇水后,水分可渗透胶印厚度小的图像
部分,显现出产品设计要求显现的所述底层图像,水蒸发后,又显现出表展图 像;因此,本产品可反复使用,而水的易得性和安全性,又使得产品使用成本 低、 可反复使用;加之纸质基材本身成本低、 质轻、 易携带,具有很好的市场 前景和推广价值。 本发明之方法在胶印底层图像层之后、 丝印变色油墨层之前, 覆盖一层透明油膜,将底层图像层和变色油墨层彻底隔离开来,而丝印的变色 油墨层又可牢固地附着于产品上,避免了底展图像层和变色油墨层的混色,使 产品表面纯净可按要求印刷各类图案,而反复遇水后又可保护底色的完整性。 When the product of the invention does not encounter water, the color or surface image layer of the color changing ink layer is present. After the water is encountered, the water color changing ink layer becomes transparent, exhibiting the underlying image and realizing the color changing effect; and after the water evaporates, the surface of the product is evaporated. Presenting a color or a superficial image layer of the color changing ink layer; or, the surface layer of the surface layer of the color changing ink layer is required to have a small offset thickness of the portion of the surface layer that is exposed to water, and the remaining portion of the offset printing thickness is adjusted to a normal thickness. Allows moisture to penetrate images with small offset thickness after water contact In part, the underlying image showing the product design requirements appears, and after the water evaporates, the surface image is displayed; therefore, the product can be used repeatedly, and the water availability and safety make the product use cost low. It can be used repeatedly; in addition, the paper substrate itself is low in cost, light in weight and easy to carry, and has good market prospect and promotion value. The method of the invention completely covers the underlying image layer and the color changing ink layer after the underprint image layer is offset and before the silk screen color changing ink layer, and the silk screen color changing ink layer can be firmly attached to the product. The color mixture of the bottom image layer and the color changing ink layer is avoided, the surface of the product is pure, and various patterns can be printed as required, and the integrity of the ground color can be protected after repeated water contact.
将以上产品制成一种便携式趣味标靶与现有技术的金厲飞镙对比为例,便 携式趣味标靶可用一种自带水的工具,如飞镙、 水枪、 小水球、 海棉或弓箭替 代金厲利器直接射击到采用本发明的可变色的纸质印刷品制成的标靶上,利用 撞击的力量挤压出所述工具头部所带的水, 自来水浸入变色油墨展或表展图像 层的部分消失呈现出底层图像,而无水部分则无任何变化,所显现出的富有层 次感的画面使人耳目一新。 水经过自然干燥蒸发后,标靶恢复至初始状态,呈 现表展图像,可继续使用,而且所使用的自带水的工具头部不带利刃,没有安 全隐患,较之现有的金厲飞镙具有明显的优势。 For example, comparing the above products into a portable fun target is compared with the prior art Jin Lifei. The portable fun target can be replaced by a tool with water, such as a fly, water gun, water polo, sponge or bow. The sharp weapon is directly fired onto the target made of the color-changeable paper printed matter of the present invention, and the water carried by the tool head is squeezed by the force of the impact, and the tap water is immersed in the color-changing ink exhibition or the surface of the exhibition image layer. Part of the disappearance reveals the underlying image, while the waterless part has no change, and the layered picture that appears is refreshing. After the water is naturally dried and evaporated, the target returns to the initial state, and the surface image is displayed, which can be used continuously, and the tool head with water is not used with a sharp edge, and there is no safety hazard, compared with the existing Jin Lifei. obvious advantage.
又以另一美女变野兽的游戏图卡为例,底层图像为美女图像,表层图像为 野兽图像,当游戏者以带有水的工具或可喷水的工具接触表层图像的一部分时, 该部分遇水透明,显现出底层图像,当整个野兽图案均遇水变透明时,底层的 美女图像呈现出来,给人以美感,游戏者在赏玩过程中可体验到刺激性和娱乐 性,而水蒸发后,又可以重新开始游戏,反复使用。 咐图说明 For example, the game card of another beauty changing beast is taken as an example. The bottom image is a beauty image, and the surface image is a beast image. When the player touches a part of the surface image with a tool with water or a water sprayable tool, the part is When the water is transparent, the underlying image appears. When the whole beast pattern is transparent to water, the underlying beauty image is presented, giving a sense of beauty. The player can experience irritating and entertaining while enjoying the game, while the water evaporates. After that, you can restart the game and use it repeatedly. Description
图 1是本发明实施例一的流程示意图; 1 is a schematic flow chart of Embodiment 1 of the present invention;
图 2是本发明实施例二的流程示意图; 2 is a schematic flow chart of Embodiment 2 of the present invention;
图 3是本发明实施例三的产品剖视图。 具体实施方式 Figure 3 is a cross-sectional view of the product of the third embodiment of the present invention. detailed description
更正页 (细则第 91条) ISA/CN
实施例一: Correction page (Article 91) ISA/CN Embodiment 1:
本实施例提供一种纸品印刷变色工艺,如图 1所示,其包括以下步骤: 按照产品设计尺寸裁纸,制成纸质印刷基材; The embodiment provides a paper printing color changing process, as shown in FIG. 1 , which comprises the following steps: cutting a paper according to a product design size to form a paper printing substrate;
在所述基材表面胶印底层图像层; Offset the underlying image layer on the surface of the substrate;
在所述底层图像层表面涂覆透明油膜; Coating a transparent oil film on the surface of the bottom image layer;
在所述透明油膜表面丝印单色变色油墨层; Screening a monochromatic color changing ink layer on the surface of the transparent oil film;
按照产品设计要求组合成型完整产品。 Form a complete product according to product design requirements.
所述单色变色油墨层的作用是在不遇水的时候,遮盖所述底层图像层,而 又可在纯净的表层,按产品设计要求印刷各类图案,在遇水即被浸湿的时候, 变为透明,显现出所述底层图像。 The function of the monochromatic color changing ink layer is to cover the bottom layer of the image layer when water is not in contact, and to print various patterns on the pure surface layer according to product design requirements, and when wetted in water, It becomes transparent and the underlying image appears.
实施例二: Embodiment 2:
本实施例提供一种纸品印刷变色工艺,如图 2所述,其包括以下步骤: 按照产品设计尺寸裁纸,制成纸质印刷基材; The embodiment provides a paper printing color changing process, as described in FIG. 2, which comprises the following steps: cutting a paper according to a product design size to form a paper printing substrate;
在所述基材表面胶印底层图像层; Offset the underlying image layer on the surface of the substrate;
在所述底层图像表面涂覆透明油膜; Coating a transparent oil film on the surface of the bottom image;
在所述透明油膜表面丝印单色变色油墨层; Screening a monochromatic color changing ink layer on the surface of the transparent oil film;
在所述单色变色油墨层表面胶印或丝印表层图像层:可以是在所述单色变 色油墨层表面采用单色变色油墨丝印单色表层图像层,也可以是采用四色变色 油墨丝印彩色表层图像层;也可以是在所述单色变色油墨层表面采用单色油墨 胶印单色的表层图像层或采用四色油墨胶印彩色的表层图像层,将需要遇水透 出所述底层图像层的部分的胶印厚度调小,而其余部分的胶印厚度调为正常厚 度,使得遇水后,水分可渗透胶印厚度小的图像部分,按产品设计要求显现出 该部分的底层图像; The surface of the monochromatic color changing ink layer is offset or screen printed with an image layer: a monochrome color changing ink may be used on the surface of the monochromatic color changing ink layer to print a monochrome surface layer, or a four color changing ink screen printing color surface layer may be used. The image layer may also be a surface layer of a monochrome ink-offset monochromatic image layer on the surface of the monochromic color-changing ink layer or a surface layer layer of a color-printed color using a four-color ink, which is required to pass through the underlying image layer. Part of the offset thickness is adjusted to be small, and the remaining part of the offset thickness is adjusted to a normal thickness, so that after the water is encountered, the moisture can penetrate the image portion with a small offset thickness, and the underlying image of the portion is visualized according to product design requirements;
按照产品设计要求组合成型完整产品。 Form a complete product according to product design requirements.
实施例三: Embodiment 3:
本实施例提供一种采用实施例一所述方法制成的一种可变色的纸质印刷 品,如图 3所示,其包括: This embodiment provides a color-changeable paper printed product produced by the method of the first embodiment, as shown in FIG. 3, which includes:
纸质基材 10、 胶印于所述纸质基材 10表面的底层图像层 20、 涂覆于所述
底层图像层 20表面的透明油膜 30及丝印于所述透明油膜 30表面的单色变色油 墨层 40。 a paper substrate 10, an underlying image layer 20 offset on the surface of the paper substrate 10, coated on the A transparent oil film 30 on the surface of the underlying image layer 20 and a monochromatic color changing ink layer 40 imprinted on the surface of the transparent oil film 30.
本实施例之可变色的纸质印刷品,在不遇水时,呈现变色油墨层 40的白色 (或其他单色),遇水后,单色变色油墨层 40 吸水变为透明 ,呈现出底层图像 层 20。 The color-changeable paper print of the present embodiment exhibits a white color (or other monochromatic color) of the color-changing ink layer 40 when water is not encountered. After the water is encountered, the monochromatic color-changing ink layer 40 absorbs water to become transparent, and the underlying image layer is present. 20.
实施例四: Embodiment 4:
本实施例提供一种采用实施例二所述方法制成的一种可变色的纸质印刷 品,其与实施例三相近,区别仅在于:在实施例三所述的单色变色油墨层 40表 面还设有采用单色油墨胶印的单色的表层图像层或采用四色油墨胶印的彩色表 层图像层,所述表层图像层的需要遇水透出所述底层图像的部分的胶印厚度小 于其余部分的胶印厚度,使得遇水后,水分可渗透胶印厚度小的图像部分,按 产品设计要求显现出所述底层图像;或者,所述单色变色油墨层 40表面还设有 采用单色变色油墨丝印的单色表层图像层或采用四色变色油墨丝印的彩色表层 图像层,使得遇水后完全透明 ,完整的显现底层图像;在干燥状态,显现所述 表层图像,遇水后,表层图像层被浸湿变为透明 ,显现出产品设计要求所显现 的所述底层图像 20。
The present embodiment provides a color-changeable paper print produced by the method of the second embodiment, which is similar to the three-phase embodiment except that the surface of the monochromatic color-changing ink layer 40 described in the third embodiment is different. There is also a monochrome surface image layer using a single-color ink offset or a color surface image layer using a four-color ink offset, and the surface of the surface image layer that needs water to penetrate the bottom image has an offset thickness smaller than the rest. The thickness of the offset printing is such that after the water is in contact, the moisture is permeable to the image portion having a small offset printing thickness, and the underlying image is visualized according to product design requirements; or the monochromatic color changing ink layer 40 is further provided with a monochrome color changing ink silk screen. The monochromatic surface layer image layer or the color surface layer image layer printed with the four-color color-changing ink makes the surface layer completely transparent after being exposed to water; in the dry state, the surface layer image is visualized, and after the water is encountered, the surface layer image layer is The wetting becomes transparent, revealing the underlying image 20 as seen by the product design requirements.
Claims
1、 一种纸品印刷变色工艺,其特征在于:包括以下步骤: 1. A paper printing discoloration process, which is characterized by: including the following steps:
按照产品设计尺寸裁纸,制成纸质印刷基材; Cut paper according to product design size to make paper printing substrate;
在所述基材表面胶印底层图像层; Offset printing the underlying image layer on the surface of the substrate;
在所述底层图像层表面涂覆透明油膜; Coat a transparent oil film on the surface of the underlying image layer;
在所述透明油膜表面丝印单色变色油墨层; Silk-print a single-color color-changing ink layer on the surface of the transparent oil film;
按照产品设计要求组合成型完整产品。 Combine and form complete products according to product design requirements.
2、 根据权利要求 1所述的纸品印刷变色工艺,其特征在于:所述的在所述 透明油膜表面丝印单色变色油墨层步骤之后,还包括在所述单色变色油墨层表 面胶印表层图像层,具体包括:在所述单色变色油墨层表面采用单色油墨胶印 单色的表层图像层或采用四色油墨胶印彩色的表层图像层。 2. The paper printing discoloration process according to claim 1, characterized in that: after the step of silk-printing a single-color discoloration ink layer on the surface of the transparent oil film, it further includes offset printing a surface layer on the surface of the single-color discoloration ink layer. The image layer specifically includes: using a single-color ink to offset print a single-color surface image layer on the surface of the single-color color-changing ink layer or using four-color ink to offset print a color surface image layer.
3、 根据权利要求 2所述的纸品印刷变色工艺,其特征在于:在所述单色变 色油墨层表面胶印表层图像层的步骤中 ,需要遇水透出所述底层图像的部分的 胶印厚度小于其余部分的胶印厚度,使得遇水后,水分可渗透胶印厚度小的图 像部分,显现出该部分的底层图像。 3. The paper printing discoloration process according to claim 2, characterized in that: in the step of offset printing the surface image layer on the surface of the single-color discoloration ink layer, the offset printing thickness of the part of the bottom image that needs to be exposed when exposed to water The offset printing thickness is smaller than the rest, so that when exposed to water, moisture can penetrate the image portion with a small offset printing thickness, revealing the underlying image of this part.
4、 根据权利要求 1所述的纸品印刷变色工艺,其特征在于:所述的在所述 透明油膜表面丝印单色变色油墨层步骤之后,还包括在所述单色变色油墨层表 面丝印表层图像层,具体包括:在所述单色变色油墨层表面采用单色变色油墨 丝印单色表层图像层或采用四色变色油墨丝印彩色表层图像层。 4. The paper printing and discoloration process according to claim 1, characterized in that: after the step of silk-printing a single-color color-changing ink layer on the surface of the transparent oil film, it further includes silk-printing a surface layer on the surface of the single-color color-changing ink layer. The image layer specifically includes: using single-color color-changing ink to screen-print a single-color surface image layer on the surface of the single-color color-changing ink layer or using four-color color-changing ink to screen-print a color surface image layer.
5、 一种可变色的纸质印刷品,其特征在于:其包括: 5. A color-changing paper print, characterized by: it includes:
纸质基材、 胶印于所述纸质基材表面的底层图像层、 涂覆于所述底层图像 层表面的透明油膜及丝印于所述透明油膜表面的单色变色油墨层。 Paper base material, an underlying image layer offset printed on the surface of the paper base material, a transparent oil film coated on the surface of the underlying image layer, and a monochromatic color-changing ink layer screen-printed on the surface of the transparent oil film.
6、 根据权利要求 5所述的可变色的纸质印刷品,其特征在于:所述单色变 色油墨层表面还设有采用单色油墨胶印的单色的表层图像层或采用四色油墨胶 印的彩色表层图像层。 6. The color-changing paper printed matter according to claim 5, characterized in that: the surface of the single-color color-changing ink layer is also provided with a single-color surface image layer using a single-color ink offset printing or a four-color ink offset printing. Color surface image layer.
7、 根据权利要求 6所述的可变色的纸质印刷品,其特征在于:所述表层图 像层的需要遇水透出所述底层图像的部分的胶印厚度小于其余部分的胶印厚 度,使得遇水后,水分可渗透胶印厚度小的图像部分,显现出该部分的底层图 像。
7. The color-changing paper print according to claim 6, characterized in that: the offset printing thickness of the part of the surface image layer that needs to be exposed through the bottom image when exposed to water is smaller than the offset printing thickness of the remaining parts, so that when exposed to water Finally, moisture can penetrate the image part with a small offset printing thickness, revealing the underlying image in that part.
8、 根据权利要求 5所述的可变色的纸质印刷品,其特征在于:所述单色变 色油墨层表面还设有采用单色变色油墨丝印的单色表层图像层或采用四色变色 油墨丝印的彩色表层图像层,使得表层图像遇水后完全透明 ,透出完整的底层 图像。
8. The color-changing paper printed matter according to claim 5, characterized in that: the surface of the single-color color-changing ink layer is further provided with a single-color surface image layer screen-printed with a single-color color-changing ink or screen-printed with a four-color color-changing ink. The colorful surface image layer makes the surface image completely transparent when exposed to water, revealing the complete underlying image.
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