阅读说明：本技术 一种用于双曲铝板的高亮度水转印膜及其制备工艺 (High-brightness water transfer printing film for hyperbolic aluminum plate and preparation process thereof ) 是由 段承连 于 2019-09-20 设计创作，主要内容包括：本发明涉及水转印技术领域,具体是一种用于双曲铝板的高亮度水转印膜及其制备工艺,包括以下步骤：S1、将高亮度涂料按重量百分比进行配比；S2、使用分散机高速分散步骤S1中的高亮度涂料至完全溶解混合；S3、取一水溶基膜层,在恒温恒湿条件下局部涂布经步骤S2完全溶解混合的高亮度涂料,干燥后形成高亮度涂层；S4、在高亮度涂层的一面印刷一层油墨,干燥形成油墨图案层,制得高亮度水转印膜水转印膜；S5、在油墨图案层的一面涂布一层胶水,干燥形成背胶层,制得高亮度水转印膜水转印膜。本发明的有益效果无需喷漆,不存在大量的VOC排放与粉尘污染,大大降低对环境的污染,操作控制方便,生产效率高,可大规模化工业生产。(The invention relates to the technical field of water transfer printing, in particular to a high-brightness water transfer printing film for a hyperbolic aluminum plate and a preparation process thereof, wherein the preparation process comprises the following steps: s1, proportioning the high-brightness paint according to the weight percentage; s2, dispersing the high-brightness paint in the step S1 by a dispersing machine at a high speed until the high-brightness paint is completely dissolved and mixed; s3, taking a water-soluble base film layer, partially coating the high-brightness coating which is completely dissolved and mixed in the step S2 under the conditions of constant temperature and constant humidity, and drying to form a high-brightness coating; s4, printing a layer of printing ink on one surface of the high-brightness coating, and drying to form a printing ink pattern layer to obtain the high-brightness water transfer printing film; and S5, coating a layer of glue on one surface of the printing ink pattern layer, and drying to form a back glue layer to obtain the high-brightness water transfer printing film. The invention has the advantages of no need of paint spraying, no large amount of VOC emission and dust pollution, greatly reduced environmental pollution, convenient operation and control, high production efficiency and large-scale industrial production.)

1. The utility model provides a high brightness water transfer die for hyperbolic aluminum plate which characterized in that: including hi-lite coating (2), water-soluble base film layer (1) has been bonded on the top outer wall of hi-lite coating (2), and is provided with printing ink pattern layer (4) on the opposite side outer wall that hi-lite coating (2) were kept away from in hi-lite coating (2), be provided with gum layer (4) on the opposite side outer wall that hi-lite coating (2) were kept away from in printing ink pattern layer (4).

2. A preparation process of a high-brightness water transfer printing film for a hyperbolic aluminum plate is characterized by comprising the following steps of: the method comprises the following steps:

s1, proportioning the high-brightness paint according to the weight percentage;

s2, dispersing the high-brightness paint in the step S1 by a dispersing machine at a high speed until the high-brightness paint is completely dissolved and mixed;

s3, taking a water-soluble base film layer, partially coating the high-brightness coating which is completely dissolved and mixed in the step S2 under the conditions of constant temperature and constant humidity, and drying to form a high-brightness coating;

s4, printing a layer of printing ink on one surface of the high-brightness coating, and drying to form a printing ink pattern layer to obtain the high-brightness water transfer printing film;

and S5, coating a layer of glue on one surface of the printing ink pattern layer, and drying to form a back glue layer to obtain the high-brightness water transfer printing film.

3. The preparation process of the high-brightness water transfer film for the hyperbolic aluminum plate according to claim 2, wherein the process comprises the following steps: the raw materials in the step S1 comprise the following components in percentage by weight: 7-8% of high-hardness UV resin, 9-12% of ternary vinyl chloride-vinyl acetate copolymer resin, 13-16% of polyurethane resin, 1.5-2% of tetrafluoroethylene wax, 4-6% of photoinitiator, 1.5-2% of flatting agent, 0.5-1% of coupling agent and 0.5-1% of n-propyl acetate.

4. The high-brightness water transfer film for the hyperbolic aluminum plate and the preparation process thereof according to claim 2, wherein the high-brightness water transfer film is characterized in that: and (4) dispersing the high-hardness UV resin, the ternary vinyl chloride-vinyl acetate resin, the polyurethane resin, the tetrafluoroethylene wax, the photoinitiator, the leveling agent, the coupling agent and the n-propyl acetate which are proportioned in the step (S1) at a high speed by using a dispersion machine, wherein the rotating speed of the dispersion machine is 1500-2000 r/min.

5. The preparation process of the high-brightness water transfer film for the hyperbolic aluminum plate according to claim 2, wherein the process comprises the following steps: and (3) partially coating the high-hardness UV resin, the ternary vinyl chloride-vinyl acetate resin, the polyurethane resin, the tetrafluoroethylene wax, the photoinitiator, the leveling agent, the coupling agent and the n-propyl acetate which are completely dissolved in the step (S2) on the water-soluble base film layer under the conditions of constant temperature and constant humidity, drying to form a high-brightness coating, printing a layer of printing ink on one surface of the high-brightness coating, and drying to form a printing ink pattern layer to obtain the high-brightness water transfer film.

6. The preparation process of the high-brightness water transfer film for the hyperbolic aluminum plate according to claim 3, wherein the process comprises the following steps: the high-hardness UV resin is urethane acrylate oligomer with the model number of 6196-100, which is produced by Changxing, the ternary vinyl chloride-vinyl acetate resin is ternary vinyl chloride-vinyl acetate resin with the model number of VAGH, which is produced by Germany Wake chemical, and the polyurethane resin is polyurethane resin with the model number of U-391, which is produced by Dismantlikang.

7. The preparation process of the high-brightness water transfer film for the hyperbolic aluminum plate according to claim 3, wherein the process comprises the following steps: the tetrafluoroethylene wax is a tetrafluoroethylene wax produced by American trefoil and having the model number of SST-2, the photoinitiator is a photoinitiator produced by Switzerland gasoline and having the model number of Irgacure184D, the leveling agent is a water-based leveling agent produced by German Pasteur and having the model number of EFKA3600N, and the coupling agent is a silane coupling agent produced by Germany and modesty and having the model number of 1211.

Technical Field

The invention relates to the technical field of water transfer printing, in particular to a high-brightness water transfer printing film for a hyperbolic aluminum plate and a preparation process thereof.

Background

The water transfer printing is one of special printing, which transfers the picture and character ink layer on the medium film to the printing stock by the pressure of water and is a new printing mode combining printing process and finishing technology perfectly. Generally, water transfer printing can be divided into water mark transfer printing and water coating transfer printing, the difference between the water mark transfer printing and the water coating transfer printing lies in the difference of transfer printing materials, the water mark transfer printing depends on transfer printing paper to realize the transfer of pictures and texts, the water coating transfer printing depends on a transfer printing film with excellent flexibility, the water transfer printing not only can realize the printing of the pictures and texts on various materials such as plastics, paper, metals, ceramics and the like, but also can meet the printing on printing stocks with different shapes such as planes, rhombuses, curved surfaces, concave surfaces and the like, and integrally, along with the continuous development and progress of the water transfer printing technology, the advantages of the water transfer printing technology are gradually reflected in the future printing industry, the application range is wider, and the development prospect is also wider.

Chinese patent No. CN104999822B provides a preparation method of PVA water transfer film, the invention relates to a preparation method of water transfer material, the step comprises mixing 8 weight parts of starch and 10 weight parts of nonionic surfactant uniformly at 100 ℃, obtaining starch mixture; extruding the starch mixture, 30 parts by weight of plasticizer and 100 parts by weight of PVA in an extruder to prepare water transfer film particles; the water transfer printing film is prepared by biaxially stretching the water transfer printing film particles, and the obtained water transfer printing film has good transfer printing effect.

However, the preparation method of the PVA water transfer film can bring a large amount of VOC emission to production enterprises and seriously affect the natural environment due to dust pollution after transfer printing, can bring huge environmental protection expenditure to the enterprises, and is not beneficial to wide popularization and promotion.

Disclosure of Invention

The invention aims to provide a high-brightness water transfer printing film for a hyperbolic aluminum plate and a preparation process thereof, and aims to solve the problem that a large amount of VOC (volatile organic compounds) emission and dust pollution are brought to production enterprises in the background technology. Seriously affecting the natural environment and bringing huge environmental protection expenditure to enterprises.

The technical scheme of the invention is as follows: the utility model provides a high brightness water transfer printing film for hyperbolic aluminum plate, includes the hi-lite coating, it has water-soluble basic film layer to bond on the top outer wall of hi-lite coating, and is provided with printing ink pattern layer on the opposite side outer wall that the hi-lite coating was kept away from to the hi-lite coating, be provided with the gum layer on the opposite side outer wall that the hi-lite coating was kept away from to printing ink pattern layer.

A preparation process of a high-brightness water transfer printing film for a hyperbolic aluminum plate comprises the following steps:

s1, proportioning the high-brightness paint according to the weight percentage;

s2, dispersing the high-brightness paint in the step S1 by a dispersing machine at a high speed until the high-brightness paint is completely dissolved and mixed;

s3, taking a water-soluble base film layer, partially coating the high-brightness coating which is completely dissolved and mixed in the step S2 under the conditions of constant temperature and constant humidity, and drying to form a high-brightness coating;

s4, printing a layer of printing ink on one surface of the high-brightness coating, and drying to form a printing ink pattern layer to obtain the high-brightness water transfer printing film;

and S5, coating a layer of glue on one surface of the printing ink pattern layer, and drying to form a back glue layer to obtain the high-brightness water transfer printing film.

Further, the raw materials in the step S1, after being mixed according to the weight percentage, include: 7-8% of high-hardness UV resin, 9-12% of ternary vinyl chloride-vinyl acetate copolymer resin, 13-16% of polyurethane resin, 1.5-2% of tetrafluoroethylene wax, 4-6% of photoinitiator, 1.5-2% of flatting agent, 0.5-1% of coupling agent and 0.5-1% of n-propyl acetate.

Further, the high-hardness UV resin, the ternary vinyl chloride-vinyl acetate resin, the polyurethane resin, the tetrafluoroethylene wax, the photoinitiator, the leveling agent, the coupling agent and the n-propyl acetate which are proportioned in the step S1 are dispersed at a high speed by a dispersion machine, and the rotating speed of the dispersion machine is 1500r/min-2000 r/min.

Further, the high-hardness UV resin, the ternary vinyl chloride-vinyl acetate resin, the polyurethane resin, the tetrafluoroethylene wax, the photoinitiator, the leveling agent, the coupling agent and the n-propyl acetate which are completely dissolved in the step S2 are partially coated on the water-soluble base film layer under the conditions of constant temperature and constant humidity, a high-brightness coating layer is formed after drying, a layer of ink is printed on one side of the high-brightness coating layer, and an ink pattern layer is formed after drying, so that the high-brightness water transfer film is prepared.

Further, the high-hardness UV resin is urethane acrylate oligomer with model number 6196-100, which is produced by Happy, the ternary vinyl chloride-acetate copolymer is a ternary vinyl chloride-acetate copolymer with model number VAGH, which is produced by Wake chemical of Germany, and the polyurethane resin is a polyurethane resin with model number U-391, which is produced by Dismantlikang.

Further, the tetrafluoroethylene wax is a tetrafluoroethylene wax with a model number of SST-2 produced by Trifolium pratense, the photoinitiator is a photoinitiator with a model number of Irgacure184D produced by Switzerland Ciba, the leveling agent is an aqueous leveling agent with a model number of EFKA3600N produced by Pasov, and the coupling agent is a silane coupling agent with a model number of 1211 produced by Demodex.

The invention provides a high-brightness water transfer printing film for a hyperbolic aluminum plate and a preparation process thereof through improvement, and compared with the prior art, the high-brightness water transfer printing film has the following improvements and advantages:

(1) the protective coating and the pattern used by the water transfer printing film are synchronously formed, paint is not needed after the transfer printing, the adverse phenomena of uneven paint spraying, uneven luster and the like do not exist, and the qualification rate of finished products is greatly improved.

(2) The water transfer printing film does not need to be painted after transfer printing, does not have large amount of VOC emission and dust pollution, and greatly reduces the pollution to the environment.

(3) By adopting the ternary vinyl chloride-vinyl acetate copolymer resin, the ternary vinyl chloride-vinyl acetate copolymer resin can keep high stability, wear resistance, water resistance, chemical resistance and flame retardance, good solubility, manufacturability, adjustability, physiological safety and permanent flexibility for a long time.

(4) The preparation method has the advantages of simple steps, convenient operation and control, stable quality, high production efficiency and low production cost, and can be used for large-scale industrial production.

(5) By adopting the flatting agent, the surface tension of various organic coating systems can be reduced, and the organic coating has good intermiscibility, excellent flatting property and anti-shrinkage property.

The coupling agent can improve the adhesion of the coating to glass and metal substrates, and has water resistance, corrosion resistance and salt spray resistance after film formation.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic structural view of the present invention.

Description of reference numerals:

1 water-soluble base film layer, 2 high-brightness coating layer, 3 printing ink pattern layer and 4 back glue layer.

Detailed Description

The present invention will be described in detail with reference to fig. 1, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides a high-brightness water transfer printing film for a hyperbolic aluminum plate through improvement, as shown in fig. 1, the high-brightness water transfer printing film comprises a high-brightness coating 2, a water-soluble base film layer 1 is adhered on the outer wall of the top of the high-brightness coating 2, an ink pattern layer 4 is arranged on the outer wall of the other side, far away from the high-brightness coating 2, of the high-brightness coating 2, and a back glue layer 4 is arranged on the outer wall of the other side, far away from the high-brightness coating 2, of the ink pattern layer 4.