WO2019227801A1 - Matt and antistatic spray coating and preparation method therefor - Google Patents

Matt and antistatic spray coating and preparation method therefor Download PDF

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Publication number
WO2019227801A1
WO2019227801A1 PCT/CN2018/107645 CN2018107645W WO2019227801A1 WO 2019227801 A1 WO2019227801 A1 WO 2019227801A1 CN 2018107645 W CN2018107645 W CN 2018107645W WO 2019227801 A1 WO2019227801 A1 WO 2019227801A1
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WIPO (PCT)
Prior art keywords
parts
agent
antistatic
acrylic emulsion
polyvinyl alcohol
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PCT/CN2018/107645
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French (fr)
Chinese (zh)
Inventor
罗晓琪
卢家荣
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广东艺都科技股份有限公司
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Publication of WO2019227801A1 publication Critical patent/WO2019227801A1/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/14—Copolymers of styrene with unsaturated esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Definitions

  • the invention belongs to the field of coatings, in particular to a matte antistatic inkjet paint and a preparation method thereof.
  • Inkjet printer ink types are mainly divided into water-based, weak solvents, solvents, UV.
  • the surface of water-based printing consumables is coated with water-based ink-absorbing coating.
  • the coating is not water-resistant.
  • the surface layer of the sprayed screen needs to be covered with a cold lamination film, which is mainly used indoors.
  • solvent inks are mainly used on PVC car stickers and PVC light box cloths.
  • Ink contains strong solvents, which are harmful to the human body, and strong solvent spraying is gradually being replaced.
  • UV ink has good adhesion and strong three-dimensional sense. It is mainly used for glass sliding door, tile printing, plastic film and other plane printing.
  • UV inks are uneven, UV curing is not easy, and monomer residue is likely to affect human health.
  • Eco-solvent inks are more environmentally friendly than solvents and UV inks.
  • the inks have less odor, color aging resistance, and the coating used is waterproof. It can be used indoors and outdoors without the use of a laminating film. It is more and more welcomed by everyone.
  • the weak-solvent products on the existing market are mainly weak-solvent PP synthetic paper, weak-solvent PVC film, weak-solvent photo paper, and weak-solvent lamp.
  • the coating formulation mainly includes acrylic emulsion, matte powder, polyvinyl alcohol, whitening agent, Wetting agent and defoaming agent, mainly emphasizing the adjustment of color performance and drying speed after printing.
  • This kind of material can be normal when the humidity is greater than or equal to 50%. Use, but it will affect the use in autumn and winter or northern areas with humidity below 50%.
  • the acrylic emulsion in the weak solvent coating is an anionic system, it is difficult to add a cationic antistatic agent with a strong antistatic effect. It is common to use an external antistatic agent method to solve the electrostatic problem of weak solvent products, but the external antistatic agent requires additional Increasing the coating and drying process not only increases the complexity of the operation, but also increases the manufacturing cost. At the same time, the cationic antistatic agent is acidic, which easily causes the coating to yellow and fade.
  • the object of the present invention is to provide a matte, antistatic and inkjet paint with good printing effect.
  • Another object of the present invention is to provide a method for preparing the inkjet paint.
  • the present invention adopts the following technical solutions:
  • a matte antistatic inkjet paint based on parts by weight, the raw materials are: 20-30 parts pure acrylic emulsion, 15-25 parts styrene-acrylic emulsion, 5-10 parts polyvinyl alcohol glue, 3-8 parts matte powder , 2 to 5 parts of antistatic agent solution, 1 to 3 parts of kaolin, 0.1 to 0.2 part of dispersant, 0.2 to 0.5 part of whitening agent, 0.2 to 0.5 part of defoamer, 0.5 to 0.8 part of conductive agent, 0.4 to 0.6 part Wetting agent and 30 to 40 parts of deionized water.
  • the raw materials of the inkjet paint are: 24 parts of pure acrylic emulsion, 20 parts of styrene-acrylic emulsion, 8 parts of polyvinyl alcohol glue, 6 parts of matte powder, 4 parts of antistatic agent, 2.2 parts of kaolin, 0.1 parts of dispersant, 0.32 Parts whitener, 0.34 parts defoamer, 0.56 parts conductive agent, 0.48 parts wetting agent and 34 parts deionized water.
  • the particle size of the pure acrylic emulsion is 0.1-0.2 ⁇ m, and the minimum film-forming temperature is 23 ° C.
  • the particle size of the styrene-acrylic emulsion is 0.1-0.2 ⁇ m, and the glass transition temperature is 14 ° C.
  • Pure acrylic emulsion and styrene-acrylic emulsion are special ink-absorbing emulsions for weak solvent inks.
  • the particle size is 0.1 ⁇ 0.2 ⁇ m.
  • the two emulsions are used together to provide good coating of powders and bright printing colors.
  • the glass transition temperature of styrene-acrylic emulsion is At 14 ° C, the film is highly glossy and flexible, providing excellent substrate adhesion for coatings.
  • Polyvinyl alcohol glue is prepared from polyvinyl alcohol colloidal particles and deionized water.
  • the degree of alcoholysis is 99%, which can improve the water resistance and film-forming property of the coating, and can be used as a coating consistency adjustment aid.
  • the matte powder is silica
  • the average particle diameter is 6.8 ⁇ m
  • the oil absorption value is 210 to 260 g / 100 g.
  • Silica is loose and porous, which can form matte characteristics, and its unique pore-forming capillary effect helps to absorb ink quickly, reduce the flying ink of lines during spraying, and make the coating form vent holes, which is conducive to the discharge of static electricity.
  • the antistatic agent solution is obtained by dissolving an antistatic agent in water, the antistatic agent is a derivative of a secondary alkylsulfonic acid compound, the average carbon chain length is C15, and the average molecular weight is 330.
  • the non-polar component of the long chain segment in the antistatic agent solution is firmly combined with the acrylic resin, and the polar portion absorbs water molecules, and provides a terminal base moisture basis for the electrostatic conduction path.
  • the antistatic agent solution is not only good for the affinity of the long chain to the resin, but also for the hygroscopicity of the polar groups, making the surface of the coating conductive, and it is not easy for ion transfer to occur during the process of material winding and unwinding and inkjet printing. Don't take paper.
  • the kaolin is a calcined kaolin, the particle size is 0.7 ⁇ m, the ISO whiteness is ⁇ 91, and the kaolin is flaky, which can provide coating permeability and surface smoothness, reduce coating surface friction, and reduce static electricity. Rate, otherwise it will affect the fluffiness and whiteness of the coating, and cause the electrostatic conductive path of the coating to be blocked.
  • the dispersant is an aqueous polyacrylic acid sodium salt dispersant, which makes the kaolin and the matte powder (silica) mixed and dispersed more uniformly, and does not cause agglomeration.
  • Brighteners are used for fluorescent whitening of coatings.
  • Defoamer eliminates paint bubbles and is suitable for high-speed coating.
  • Wetting agents can improve the spreading and wetting properties of glue on the surface of different substrates during coating.
  • the defoamer and wetting agent are beneficial to the defoaming and leveling of the glue during the high-speed coating process, and improve the processing stability of the coating.
  • the conductive agent is polythiophene
  • the conductive agent is a permanent conductive agent
  • has alcohol resistance is compatible with weak solvent coatings and does not precipitate, and serves as the connection point of the conductive paths of the fragments in the weak solvent coating to connect the antistatic solution.
  • a continuous conductive network of dots and lines is formed, which directly conducts surface static electricity during printing, and the spray painting surface is clear without scattered points. It cooperates with kaolin to form a natural air permeability for the coating, which makes the coating's electrostatic conduction effect more effective.
  • a method for preparing the above-mentioned inkjet paint includes the following steps:
  • inkjet paint Add deionized water, dispersant, kaolin, matte powder to the dispersion tank, and cut, then add defoamer, whitening agent, polyvinyl alcohol glue, filter after cutting, and stir Add pure acrylic emulsion, styrene-acrylic emulsion, and evenly disperse. Add antistatic agent solution, conductive agent, and wetting agent. Stir evenly after defoaming and filtering.
  • the inkjet paint of the present invention is a weak solvent coating paint.
  • the surface resistance of the coating is reduced, the printing process has no static electricity, the coating has good whiteness, the inkjet color is bright, and the drying speed is fast.
  • the paint can be applied to different media , Good waterproof effect, can be used indoors and outdoors.
  • Inkjet paint has a wide range of applications, and can be applied to different media, such as PET film, PVC hard film, dual-leaf PE photo paper, PP synthetic paper, wallpaper, etc. After coating this material, the paper runs smoothly and the back of the material is not used. Special antistatic treatment, especially suitable for coating on non-absorbent substrate.
  • Spray paint has antistatic properties.
  • the coating is microscopically breathable, and the unique antistatic solvent is matched with the conductive agent in an appropriate amount to form a connected conductive network.
  • the coating produced has a good antistatic effect. Static electricity can be quickly guided and neutralized on the coating surface, the paper is fed smoothly, no card machine, the printed lines are clear and no offset, and the screen is free of ink.
  • the color of inkjet paint is soft and gorgeous. Due to the addition of high oil absorption silica to the coating, when the weak solvent coating contacts the coating surface, it can quickly penetrate into the coating longitudinally. At the same time, the added whiteness and smoothness of the kaolin make the coating more matte. For gentle.
  • the ink absorption speed of the coating is improved, and the whiteness is good without fading.
  • parts refer to parts by weight; pure acrylic emulsion was purchased from Bardford, the model is synthetic latex RS-706T, the particle size was 0.1-0.2 ⁇ m, and the minimum film-forming temperature was 23 ° C; styrene-acrylic emulsion was purchased from Zengcheng Shenghua Chemical Co., Ltd. model SH8902, particle size is 0.1 ⁇ 0.2 ⁇ m, glass transition temperature is 14 °C, film layer is high gloss and flexible, providing excellent substrate adhesion for coatings. Pure acrylic emulsion and styrene acrylic emulsion are used together. Good body covering, bright print color.
  • Polyvinyl alcohol pellets were purchased from Sinopec Sichuan Vinylon Factory, model number 1799.
  • Polyvinyl alcohol glue was prepared from 5-20 parts of polyvinyl alcohol pellets and 80-95 parts of deionized water. The degree of alcoholysis was 99%. , Can improve coating water resistance and film formation;
  • the matte powder is silicon dioxide, the average particle diameter is 6.8 ⁇ m, and the oil absorption value is 210-260 g / 100 g.
  • Silica is loose and porous, which can form matte characteristics, and its unique pore-forming capillary effect helps to absorb ink quickly, reduce the flying ink of lines during spraying, and make the coating form vent holes, which is conducive to the discharge of static electricity.
  • the matte powder was purchased from Lianshui Jiangsan A New Material Technology Co., Ltd., the model was TSA580, and the component was silica; the antistatic agent was purchased from LANXESS, Germany, model was Mersolat H95, and the derivative was a secondary alkyl sulfonic acid derivative.
  • the average carbon chain length is C15 and the average molecular weight is 330.
  • the antistatic agent solution is prepared by dissolving 30-50 parts of antistatic agent in 50-70 parts of deionized water.
  • the non-polar group of long chain segments in the antistatic agent solution It is firmly combined with acrylic resin, and the polar part absorbs water molecules to provide the end-group moisture basis for the electrostatic conduction path.
  • the antistatic agent solution is not only good for the affinity of the long chain to the resin, but also for the hygroscopicity of the polar groups, making the surface of the coating conductive, and it is not easy for ion transfer to occur during the process of material winding and unwinding and inkjet printing. Don't take paper.
  • Kaolin was purchased from Shanxi Pubai Kaolin Co., Ltd., the model is GF-60, which is a calcined high territory, with a particle size of 0.7 ⁇ m, ISO whiteness ⁇ 91, and kaolin is a flake-shaped pile, which can provide coating permeability and surface smoothness. , Reduce coating surface friction and reduce static electricity generation rate.
  • the dispersant was purchased from Guangzhou Guanzhi Chemical Co., Ltd., model SN-5040, and the composition was water-based polyacrylic acid sodium salt dispersant, which made the kaolin and matte powder (silica) mixed and dispersed more evenly.
  • the whitening agent was purchased from Jinan Aoqi Chemical.
  • the model is CBS-X, which is used for coating fluorescent whitening.
  • the defoamer is Digao 825, which eliminates paint bubbles and is suitable for high-speed coating.
  • the wetting agent is BYK349, which can improve the spread of glue on the surface of different substrates during coating. Wetting performance.
  • the conductive agent is polythiophene. It is a permanent conductive agent with alcohol resistance. As the connection point of the conductive path of the fragment in the weak solvent coating, it connects the antistatic solution to form a continuous conductive network of points and lines, which directs away during the printing process. Surface static electricity.
  • the raw materials are: 24 parts of pure acrylic emulsion, 20 parts of styrene acrylic emulsion, 8 parts of polyvinyl alcohol glue (prepared from 10 parts of polyvinyl alcohol rubber particles and 90 parts of deionized water), 6 parts of matte Light powder, 4 parts of antistatic agent solution (prepared from 40 parts of antistatic agent dissolved in 60 parts of deionized water), 2.2 parts of kaolin, 0.1 parts of dispersant, 0.32 parts of whitening agent, 0.34 parts of defoamer, 0.56 Parts conductive agent, 0.48 parts wetting agent and 34 parts deionized water.
  • the raw materials are: 21 parts of pure acrylic emulsion, 22 parts of styrene acrylic emulsion, 10 parts of polyvinyl alcohol glue (prepared from 5 parts of polyvinyl alcohol rubber particles and 95 parts of deionized water), 5 parts of matte Light powder, 4 parts of antistatic agent solution (prepared from 40 parts of antistatic agent dissolved in 60 parts of deionized water), 2 parts of kaolin, 0.2 parts of dispersant, 0.5 parts of whitening agent, 0.3 parts of defoamer, 0.6 Parts conductive agent, 0.5 parts wetting agent and 36 parts deionized water.
  • the raw materials are: 30 parts of pure acrylic emulsion, 16 parts of styrene-acrylic emulsion, 5 parts of polyvinyl alcohol glue (prepared from 20 parts of polyvinyl alcohol rubber particles and 80 parts of deionized water), 3 parts of matte Light powder, 3 parts of antistatic agent solution (prepared from 50 parts of antistatic agent dissolved in 50 parts of deionized water), 1 part of kaolin, 0.15 part of dispersant, 0.4 part of whitening agent, 0.4 part of defoamer, 0.8 Parts conductive agent, 0.4 parts wetting agent and 30 parts deionized water.
  • the raw materials are: 25 parts of pure acrylic emulsion, 24 parts of styrene-acrylic emulsion, 7 parts of polyvinyl alcohol glue (prepared from 10 parts of polyvinyl alcohol rubber particles and 90 parts of deionized water), 7 parts of matte Light powder, 5 parts of antistatic agent solution (prepared from 30 parts of antistatic agent dissolved in 70 parts of deionized water), 3 parts of kaolin, 0.18 parts of dispersant, 0.3 parts of whitening agent, 0.5 parts of antifoaming agent, 0.5 Parts conductive agent, 0.6 parts wetting agent and 40 parts deionized water.
  • Weak solvent PP paper PP paper is subjected to spark electromechanical halo treatment, and then a two-component acrylic primer is coated with a No. 10 light rod, dried at 80 ° C, and then the inkjet coating of Example 1 is applied with a No. 100 wire rod, and coated The amount is 50 ⁇ 65g / m 2 and the speed is 45 ⁇ 60m / min. After drying, it is cut and packed.
  • PVC film is treated by electro-spark electromechanical halo treatment, and the inkjet coating of Example 2 is coated with a 100-gauge wire rod, the coating amount is 50 to 65 g / m 2 , the speed is 35 to 50 m / min, and it is cut after drying package.
  • Explosion-proof electrostatic voltmeter EST101, a non-contact measuring device for the electrostatic voltage (potential) of a charged object, an instrument for detecting the performance of antistatic products.
  • the distance between the test surface and the measured surface is 1cm.
  • the measured value is multiplied by 0.3 as the final test result. .
  • the brand model is Shengli VC385. Place the meter on the coating surface to be tested and press the "TEST" key to read directly.
  • the coating density of matte antistatic coating is lower than that of commercially available weak solvent products.
  • the K value of printing color is close to or slightly higher than that of the products on the market, and the color is bright.
  • the matte antistatic coating coating has a lower electrostatic voltage value than the static-free products on the market in the continuous printing static test, which is close to the electrostatic voltage value of the anti-static products on the market.
  • the print screen is clear, no flying ink, and the paper is smooth. No card machine.
  • the coating has low surface resistance and good electrical conductivity.
  • the gloss of the coating is 5.3 ⁇ 5.4GS. Compared with the products on the market, the surface gloss is low, and the color is soft and not bright.

Abstract

A matt and antistatic spray coating, comprising, in parts by weight, raw materials of: 20-30 parts of pure acrylic emulsion, 15-25 parts of styrene-acrylic emulsion, 5-10 parts of polyvinyl alcohol glue, 3-8 parts of matt powder, 2-5 parts of antistatic agent solution, 1-3 parts of kaolin, 0.1-0.2 parts of dispersant, 0.2-0.5 parts of whitening agent, 0.2-0.5 parts of antifoaming agent, 0.5-0.8 parts of conductive agent, 0.4-0.6 parts of wetting agent and 30-40 parts of deionized water. A preparation method for said spray coating comprises steps of: formulating an antistatic agent solution, formulating polyvinyl alcohol glue, formulating spray coating, etc. Said spray coating has advantages such as wide range of use, antistatic properties, and soft and bright printing color.

Description

一种哑光抗静电喷绘涂料及其制备方法Matte antistatic inkjet paint and preparation method thereof 技术领域Technical field
本发明属于涂料领域，具体是一种哑光抗静电喷绘涂料及其制备方法。The invention belongs to the field of coatings, in particular to a matte antistatic inkjet paint and a preparation method thereof.
背景技术Background technique
喷绘打印机墨水类型主要分为水性、弱溶剂、溶剂、UV。水性打印耗材表面涂覆水性吸墨涂层，涂层不耐水，喷好画面表层需再覆上冷裱膜，主要用在户内。溶剂型墨水因为具有强腐蚀性，主要应用在PVC车贴、PVC灯箱布上，且墨水中含有强溶剂，对人体有伤害，强溶剂喷绘逐渐被取代。UV型墨水附着力佳，立体感强，主要用在玻璃移门、瓷砖喷绘、塑料膜材等平面打印，UV墨水参差不齐，UV固化不完全容易有单体残留，影响人体健康。弱溶剂墨水相比溶剂、UV墨水更加环保，墨水气味少，颜色耐老化，且使用的涂层防水，可以不用裱膜，户内外兼具使用，越来越受到大家的欢迎。Inkjet printer ink types are mainly divided into water-based, weak solvents, solvents, UV. The surface of water-based printing consumables is coated with water-based ink-absorbing coating. The coating is not water-resistant. The surface layer of the sprayed screen needs to be covered with a cold lamination film, which is mainly used indoors. Because of its strong corrosiveness, solvent inks are mainly used on PVC car stickers and PVC light box cloths. Ink contains strong solvents, which are harmful to the human body, and strong solvent spraying is gradually being replaced. UV ink has good adhesion and strong three-dimensional sense. It is mainly used for glass sliding door, tile printing, plastic film and other plane printing. UV inks are uneven, UV curing is not easy, and monomer residue is likely to affect human health. Eco-solvent inks are more environmentally friendly than solvents and UV inks. The inks have less odor, color aging resistance, and the coating used is waterproof. It can be used indoors and outdoors without the use of a laminating film. It is more and more welcomed by everyone.
现有市场上的弱溶剂产品主要为弱溶剂PP合成纸、弱溶剂PVC胶片、弱溶剂相纸、弱溶剂灯片，涂料配方主要包含丙烯酸乳液、哑光粉、聚乙烯醇、增白剂、润湿剂及消泡剂，主要强调在打印后的色彩表现及干燥速度上的调整，缺少从配方上解决实际应用时所产生静电问题的办法，此种材料在湿度大于等于50％条件可以正常使用，但是在低于50％湿度的秋冬或者北方地区会影响使用，喷绘时产生严重静电斑，画面模糊不清，线条错位，静电导致材料吸附打印平板出现不走纸，放卷处静电大，容易电击伤人。由于弱溶剂涂料中丙烯酸乳液为阴离子体系，难以加入具有强抗静电效果的阳离子抗静电剂，常见的为采取外涂抗静电剂的方法解决弱溶剂产品静电问题，但是外涂抗静电剂需要额外增加涂布与干燥工序，不仅增加了操作复杂性，而且增加了制造成本，同时阳离子抗静电剂偏酸性，容易导致涂层发黄褪色。The weak-solvent products on the existing market are mainly weak-solvent PP synthetic paper, weak-solvent PVC film, weak-solvent photo paper, and weak-solvent lamp. The coating formulation mainly includes acrylic emulsion, matte powder, polyvinyl alcohol, whitening agent, Wetting agent and defoaming agent, mainly emphasizing the adjustment of color performance and drying speed after printing. There is no way to solve the static electricity problem caused by practical application from the formula. This kind of material can be normal when the humidity is greater than or equal to 50%. Use, but it will affect the use in autumn and winter or northern areas with humidity below 50%. Severe static spots will occur during printing, the picture will be blurred, the lines will be misaligned, and static electricity will cause the material to adsorb on the printing plate. Easy to hurt people by electric shock. Because the acrylic emulsion in the weak solvent coating is an anionic system, it is difficult to add a cationic antistatic agent with a strong antistatic effect. It is common to use an external antistatic agent method to solve the electrostatic problem of weak solvent products, but the external antistatic agent requires additional Increasing the coating and drying process not only increases the complexity of the operation, but also increases the manufacturing cost. At the same time, the cationic antistatic agent is acidic, which easily causes the coating to yellow and fade.
发明内容Summary of the Invention
本发明的目的是提供一种哑光、抗静电、打印效果好的喷绘涂料。The object of the present invention is to provide a matte, antistatic and inkjet paint with good printing effect.
本发明的另一目的是提供该喷绘涂料的制备方法。Another object of the present invention is to provide a method for preparing the inkjet paint.
为达到上述目的之一，本发明采用以下技术方案：To achieve one of the above objectives, the present invention adopts the following technical solutions:
一种哑光抗静电喷绘涂料，按照重量份数，其原料为：20～30份纯丙乳液、15～25份苯丙乳液、5～10份聚乙烯醇胶水、3～8份哑光粉、2～5份抗静电剂溶液、1～3份高岭土、0.1～0.2份分散剂、0.2～0.5份增白剂、0.2～0.5份消泡剂、0.5～0.8份导电剂、0.4～0.6份润湿剂和30～40份去离子水。A matte antistatic inkjet paint, based on parts by weight, the raw materials are: 20-30 parts pure acrylic emulsion, 15-25 parts styrene-acrylic emulsion, 5-10 parts polyvinyl alcohol glue, 3-8 parts matte powder , 2 to 5 parts of antistatic agent solution, 1 to 3 parts of kaolin, 0.1 to 0.2 part of dispersant, 0.2 to 0.5 part of whitening agent, 0.2 to 0.5 part of defoamer, 0.5 to 0.8 part of conductive agent, 0.4 to 0.6 part Wetting agent and 30 to 40 parts of deionized water.
进一步地，喷绘涂料的原料为：24份纯丙乳液、20份苯丙乳液、8份聚乙烯醇胶水、6 份哑光粉、4份抗静电剂、2.2份高岭土、0.1份分散剂、0.32份增白剂、0.34份消泡剂、0.56份导电剂、0.48份润湿剂和34份去离子水。Further, the raw materials of the inkjet paint are: 24 parts of pure acrylic emulsion, 20 parts of styrene-acrylic emulsion, 8 parts of polyvinyl alcohol glue, 6 parts of matte powder, 4 parts of antistatic agent, 2.2 parts of kaolin, 0.1 parts of dispersant, 0.32 Parts whitener, 0.34 parts defoamer, 0.56 parts conductive agent, 0.48 parts wetting agent and 34 parts deionized water.
进一步地，所述纯丙乳液的粒径为0.1～0.2μm，最低成膜温度为23℃。Further, the particle size of the pure acrylic emulsion is 0.1-0.2 μm, and the minimum film-forming temperature is 23 ° C.
进一步地，所述苯丙乳液的粒径为0.1～0.2μm，玻璃化温度为14℃。Further, the particle size of the styrene-acrylic emulsion is 0.1-0.2 μm, and the glass transition temperature is 14 ° C.
纯丙乳液与苯丙乳液为弱溶剂墨水专用吸墨乳液，粒径在0.1～0.2μm，两款乳液搭配使用，对粉体包覆性好，打印颜色鲜亮，并且苯丙乳液玻璃化温度为14℃，膜层高光柔韧，为涂料提供优异的底材附着力。Pure acrylic emulsion and styrene-acrylic emulsion are special ink-absorbing emulsions for weak solvent inks. The particle size is 0.1 ～ 0.2μm. The two emulsions are used together to provide good coating of powders and bright printing colors. The glass transition temperature of styrene-acrylic emulsion is At 14 ° C, the film is highly glossy and flexible, providing excellent substrate adhesion for coatings.
聚乙烯醇胶水由聚乙烯醇胶粒与去离子水制备而得，醇解度99％，可以提高涂层耐水性与成膜性，并且作为涂料的稠度调节助剂。Polyvinyl alcohol glue is prepared from polyvinyl alcohol colloidal particles and deionized water. The degree of alcoholysis is 99%, which can improve the water resistance and film-forming property of the coating, and can be used as a coating consistency adjustment aid.
进一步地，所述哑光粉为二氧化硅，平均粒径为6.8μm，吸油值为210～260g/100g。二氧化硅疏松多孔，可以形成哑光特性，且其特有的孔隙形成毛细孔作用有利于迅速吸收墨水，减少喷绘时线条飞墨，并使涂层形成通气孔，有利于静电的导出。Further, the matte powder is silica, the average particle diameter is 6.8 μm, and the oil absorption value is 210 to 260 g / 100 g. Silica is loose and porous, which can form matte characteristics, and its unique pore-forming capillary effect helps to absorb ink quickly, reduce the flying ink of lines during spraying, and make the coating form vent holes, which is conducive to the discharge of static electricity.
进一步地，所述抗静电剂溶液由抗静电剂溶于水而得，所述抗静电剂为仲烷基磺酸化合物的衍生物，平均碳链长度为C15，平均分子量为330。Further, the antistatic agent solution is obtained by dissolving an antistatic agent in water, the antistatic agent is a derivative of a secondary alkylsulfonic acid compound, the average carbon chain length is C15, and the average molecular weight is 330.
抗静电剂溶液中长链段非极性组分与丙烯酸树脂牢固结合，极性部分吸收水分子，为导静电通路提供端基水分基础。抗静电剂溶液不仅有利于长链对树脂的亲和力，更有利于极性基团的吸湿性，使涂层表层具有导电性，材料收放卷及喷绘打印过程中不容易出现离子转移而产生静电不走纸。The non-polar component of the long chain segment in the antistatic agent solution is firmly combined with the acrylic resin, and the polar portion absorbs water molecules, and provides a terminal base moisture basis for the electrostatic conduction path. The antistatic agent solution is not only good for the affinity of the long chain to the resin, but also for the hygroscopicity of the polar groups, making the surface of the coating conductive, and it is not easy for ion transfer to occur during the process of material winding and unwinding and inkjet printing. Don't take paper.
进一步地，所述高岭土为煅烧高领土，粒径为0.7μm，ISO白度≥91，高岭土为片状堆积，能够提供涂层透气性与表层顺滑性，减少涂层表面摩擦，降低静电产生率，否则影响涂层蓬松度与白度，导致涂层静电导电通路闭塞。Further, the kaolin is a calcined kaolin, the particle size is 0.7 μm, the ISO whiteness is ≥91, and the kaolin is flaky, which can provide coating permeability and surface smoothness, reduce coating surface friction, and reduce static electricity. Rate, otherwise it will affect the fluffiness and whiteness of the coating, and cause the electrostatic conductive path of the coating to be blocked.
进一步地，所述分散剂为水性聚丙烯酸钠盐分散剂，使高岭土与哑光粉(二氧化硅)混合分散更均匀，不会出现团聚现象。Further, the dispersant is an aqueous polyacrylic acid sodium salt dispersant, which makes the kaolin and the matte powder (silica) mixed and dispersed more uniformly, and does not cause agglomeration.
增白剂用作涂层荧光增白。Brighteners are used for fluorescent whitening of coatings.
消泡剂消除涂料气泡，适合高速涂布。Defoamer eliminates paint bubbles and is suitable for high-speed coating.
润湿剂可以提高涂布时胶水在不同基材表面的铺展润湿性能。Wetting agents can improve the spreading and wetting properties of glue on the surface of different substrates during coating.
消泡剂、润湿剂有利于胶水在高速涂布过程中的消泡与流平，提高涂料加工稳定性。The defoamer and wetting agent are beneficial to the defoaming and leveling of the glue during the high-speed coating process, and improve the processing stability of the coating.
进一步地，所述导电剂为聚噻吩，导电剂为永久型导电剂，具有耐醇性，与弱溶剂涂料相容好不析出，作为弱溶剂涂层当中片段导电路线的连接点，连接抗静电溶液形成点与线的连贯导电网络，使打印过程中直接导走表层静电，喷绘画面清晰无散点，协同高岭土为涂层形成的天然透气性，使涂层的导静电效果更为有效。Further, the conductive agent is polythiophene, the conductive agent is a permanent conductive agent, has alcohol resistance, is compatible with weak solvent coatings and does not precipitate, and serves as the connection point of the conductive paths of the fragments in the weak solvent coating to connect the antistatic solution. A continuous conductive network of dots and lines is formed, which directly conducts surface static electricity during printing, and the spray painting surface is clear without scattered points. It cooperates with kaolin to form a natural air permeability for the coating, which makes the coating's electrostatic conduction effect more effective.
一种上述的喷绘涂料的制备方法，包括以下步骤：A method for preparing the above-mentioned inkjet paint includes the following steps:
S1、配制抗静电剂溶液：向去离子水中加入抗静电剂并加热搅拌，冷却、过滤、消泡；S1. Preparation of antistatic agent solution: add antistatic agent to deionized water, heat and stir, cool, filter, and defoam;
S2、配制聚乙烯醇胶水：向去离子水中加入聚乙烯醇胶粒并加热搅拌，冷却、过滤、消泡；S2. Formulating polyvinyl alcohol glue: adding polyvinyl alcohol particles to deionized water and heating and stirring, cooling, filtering, and defoaming;
S3、配制喷绘涂料：向分散桶加入去离子水、分散剂、高岭土、哑光粉，并剪切，然后加入消泡剂、增白剂、聚乙烯醇胶水，剪切后过滤，搅拌条件下加入纯丙乳液、苯丙乳液，分散均匀后加入抗静电剂溶液、导电剂、润湿剂，搅拌均匀后消泡、过滤即得。S3. Preparation of inkjet paint: Add deionized water, dispersant, kaolin, matte powder to the dispersion tank, and cut, then add defoamer, whitening agent, polyvinyl alcohol glue, filter after cutting, and stir Add pure acrylic emulsion, styrene-acrylic emulsion, and evenly disperse. Add antistatic agent solution, conductive agent, and wetting agent. Stir evenly after defoaming and filtering.
本发明具有以下有益效果：The invention has the following beneficial effects:
本发明的喷绘涂料为弱溶剂涂层涂料，通过调整涂料配方，降低了涂层表面电阻，打印过程无静电，涂层白度好，喷绘色彩艳丽，干燥速度快，此涂料可以应用在不同介质，防水效果好，户内户外均可使用。The inkjet paint of the present invention is a weak solvent coating paint. By adjusting the paint formula, the surface resistance of the coating is reduced, the printing process has no static electricity, the coating has good whiteness, the inkjet color is bright, and the drying speed is fast. The paint can be applied to different media , Good waterproof effect, can be used indoors and outdoors.
1、弱溶剂涂料相比水性墨水干燥更快，其墨水及涂层的耐水耐候性可适应户外使用，同时墨水的低VOC和无毒性，相比溶剂墨水和UV墨水对环境更友好，对人体无伤害，喷绘打印在市场上更为流行和受欢迎。1. Weak solvent coatings dry faster than water-based inks. The water and weather resistance of their inks and coatings can be adapted for outdoor use. At the same time, the ink has low VOC and non-toxicity. Compared with solvent inks and UV inks, it is more environmentally friendly and more human-friendly. No harm, inkjet printing is more popular and popular in the market.
2、喷绘涂料使用范围广，可以应用到不同的介质上去，如PET片、PVC硬片、双淋PE相纸、PP合成纸、墙纸等，涂覆此涂料后材料走纸顺畅，材料背面不用特别做抗静电处理，特别适合在非吸水性基材上的涂布。2. Inkjet paint has a wide range of applications, and can be applied to different media, such as PET film, PVC hard film, dual-leaf PE photo paper, PP synthetic paper, wallpaper, etc. After coating this material, the paper runs smoothly and the back of the material is not used. Special antistatic treatment, especially suitable for coating on non-absorbent substrate.
3、喷绘涂料具有抗静电性。该涂层在微观上具有透气性，特有的抗静电溶剂与导电剂适量搭配，形成联通导电网路，使制作的涂层具有很好的抗静电效果，在打印过程中喷头与各部件产生的静电能够在涂层表面迅速导走与中和，走纸顺畅无卡机，打印线条清晰无偏移，画面无甩墨。3. Spray paint has antistatic properties. The coating is microscopically breathable, and the unique antistatic solvent is matched with the conductive agent in an appropriate amount to form a connected conductive network. The coating produced has a good antistatic effect. Static electricity can be quickly guided and neutralized on the coating surface, the paper is fed smoothly, no card machine, the printed lines are clear and no offset, and the screen is free of ink.
4、喷绘涂料打印色彩柔和艳丽。由于涂料加入高吸油值二氧化硅，当弱溶剂涂料接触涂层表面时，能够迅速纵向渗进涂层内部，同时，加入的高岭土细腻的白度与滑爽性，使涂层哑光感更为柔和。4. The color of inkjet paint is soft and gorgeous. Due to the addition of high oil absorption silica to the coating, when the weak solvent coating contacts the coating surface, it can quickly penetrate into the coating longitudinally. At the same time, the added whiteness and smoothness of the kaolin make the coating more matte. For gentle.
5、通过调低涂层密度，提升涂层吸墨速度，白度好，无褪色。5. By reducing the coating density, the ink absorption speed of the coating is improved, and the whiteness is good without fading.
具体实施方式Detailed ways
下面结合具体实施例对本发明做进一步的说明。The following further describes the present invention in combination with specific embodiments.
以下实施例中，份数均指重量份；纯丙乳液购自巴德富，型号为合成胶乳RS-706T，粒径为0.1～0.2μm，最低成膜温度为23℃；苯丙乳液购自增城升华化工，型号为SH8902，粒径为0.1～0.2μm，玻璃化温度为14℃，膜层高光柔韧，为涂料提供优异的底材附着力，纯丙乳液与苯丙乳液搭配使用，对粉体包覆性好，打印颜色鲜亮。In the following examples, parts refer to parts by weight; pure acrylic emulsion was purchased from Bardford, the model is synthetic latex RS-706T, the particle size was 0.1-0.2 μm, and the minimum film-forming temperature was 23 ° C; styrene-acrylic emulsion was purchased from Zengcheng Shenghua Chemical Co., Ltd. model SH8902, particle size is 0.1 ～ 0.2μm, glass transition temperature is 14 ℃, film layer is high gloss and flexible, providing excellent substrate adhesion for coatings. Pure acrylic emulsion and styrene acrylic emulsion are used together. Good body covering, bright print color.
聚乙烯醇胶粒购自中国石化集团四川维尼纶厂，型号为1799，聚乙烯醇胶水由5～20份聚乙烯醇胶粒与80～95份去离子水制备而得，醇解度99％，可以提高涂层耐水性与成膜性；Polyvinyl alcohol pellets were purchased from Sinopec Sichuan Vinylon Factory, model number 1799. Polyvinyl alcohol glue was prepared from 5-20 parts of polyvinyl alcohol pellets and 80-95 parts of deionized water. The degree of alcoholysis was 99%. , Can improve coating water resistance and film formation;
所述哑光粉为二氧化硅，平均粒径为6.8μm，吸油值为210～260g/100g。二氧化硅疏松多孔，可以形成哑光特性，且其特有的孔隙形成毛细孔作用有利于迅速吸收墨水，减少喷绘时线条飞墨，并使涂层形成通气孔，有利于静电的导出。The matte powder is silicon dioxide, the average particle diameter is 6.8 μm, and the oil absorption value is 210-260 g / 100 g. Silica is loose and porous, which can form matte characteristics, and its unique pore-forming capillary effect helps to absorb ink quickly, reduce the flying ink of lines during spraying, and make the coating form vent holes, which is conducive to the discharge of static electricity.
哑光粉购自冷水江三A新材料科技有限公司，型号为TSA580，成分为二氧化硅；抗静电剂购自德国朗盛，型号为Mersolat H95，成分为仲烷基磺酸化合物的衍生物，平均碳链长度为C15，平均分子量为330，抗静电剂溶液由30～50份抗静电剂溶于50～70份去离子水制备而得，抗静电剂溶液中长链段非极性组分与丙烯酸树脂牢固结合，极性部分吸收水分子，为导静电通路提供端基水分基础。抗静电剂溶液不仅有利于长链对树脂的亲和力，更有利于极性基团的吸湿性，使涂层表层具有导电性，材料收放卷及喷绘打印过程中不容易出现离子转移而产生静电不走纸。The matte powder was purchased from Lianshui Jiangsan A New Material Technology Co., Ltd., the model was TSA580, and the component was silica; the antistatic agent was purchased from LANXESS, Germany, model was Mersolat H95, and the derivative was a secondary alkyl sulfonic acid derivative. The average carbon chain length is C15 and the average molecular weight is 330. The antistatic agent solution is prepared by dissolving 30-50 parts of antistatic agent in 50-70 parts of deionized water. The non-polar group of long chain segments in the antistatic agent solution It is firmly combined with acrylic resin, and the polar part absorbs water molecules to provide the end-group moisture basis for the electrostatic conduction path. The antistatic agent solution is not only good for the affinity of the long chain to the resin, but also for the hygroscopicity of the polar groups, making the surface of the coating conductive, and it is not easy for ion transfer to occur during the process of material winding and unwinding and inkjet printing. Don't take paper.
高岭土购自山西蒲百高岭土有限公司，型号为GF-60，为煅烧高领土，粒径为0.7μm，ISO白度≥91，高岭土为片状堆积，能够提供涂层透气性与表层顺滑性，减少涂层表面摩擦，降低静电产生率。Kaolin was purchased from Shanxi Pubai Kaolin Co., Ltd., the model is GF-60, which is a calcined high territory, with a particle size of 0.7 μm, ISO whiteness ≥ 91, and kaolin is a flake-shaped pile, which can provide coating permeability and surface smoothness. , Reduce coating surface friction and reduce static electricity generation rate.
分散剂购自广州冠志化工，型号为SN-5040，成分为水性聚丙烯酸钠盐分散剂，使高岭土与哑光粉(二氧化硅)混合分散更均匀；增白剂购自济南奥奇化工，型号为CBS-X，用作涂层荧光增白；消泡剂为迪高825，消除涂料气泡，适合高速涂布；润湿剂为BYK349，可以提高涂布时胶水在不同基材表面的铺展润湿性能。The dispersant was purchased from Guangzhou Guanzhi Chemical Co., Ltd., model SN-5040, and the composition was water-based polyacrylic acid sodium salt dispersant, which made the kaolin and matte powder (silica) mixed and dispersed more evenly. The whitening agent was purchased from Jinan Aoqi Chemical. The model is CBS-X, which is used for coating fluorescent whitening. The defoamer is Digao 825, which eliminates paint bubbles and is suitable for high-speed coating. The wetting agent is BYK349, which can improve the spread of glue on the surface of different substrates during coating. Wetting performance.
导电剂为聚噻吩，为永久型导电剂，具有耐醇性，作为弱溶剂涂层当中片段导电路线的连接点，连接抗静电溶液形成点与线的连贯导电网络，使打印过程中直接导走表层静电。The conductive agent is polythiophene. It is a permanent conductive agent with alcohol resistance. As the connection point of the conductive path of the fragment in the weak solvent coating, it connects the antistatic solution to form a continuous conductive network of points and lines, which directs away during the printing process. Surface static electricity.
实施例1Example 1
哑光抗静电喷绘涂料，其原料为：24份纯丙乳液、20份苯丙乳液、8份聚乙烯醇胶水(由10份聚乙烯醇胶粒与90份去离子水制备)、6份哑光粉、4份抗静电剂溶液(由40份抗静电剂溶于60份去离子水制备而得)、2.2份高岭土、0.1份分散剂、0.32份增白剂、0.34份消泡剂、0.56份导电剂、0.48份润湿剂和34份去离子水。Matte antistatic inkjet paint, the raw materials are: 24 parts of pure acrylic emulsion, 20 parts of styrene acrylic emulsion, 8 parts of polyvinyl alcohol glue (prepared from 10 parts of polyvinyl alcohol rubber particles and 90 parts of deionized water), 6 parts of matte Light powder, 4 parts of antistatic agent solution (prepared from 40 parts of antistatic agent dissolved in 60 parts of deionized water), 2.2 parts of kaolin, 0.1 parts of dispersant, 0.32 parts of whitening agent, 0.34 parts of defoamer, 0.56 Parts conductive agent, 0.48 parts wetting agent and 34 parts deionized water.
按照以下步骤制备喷绘涂料：Follow these steps to prepare the inkjet paint:
1、配制抗静电剂溶液：称量抗静电剂，并密封待用，在搅拌锅加入称量好的去离子水，启动搅拌器，转速300r/min，启动加热器设定加热温度60℃。水温到达60℃后开始缓慢加入抗静电剂，加完搅拌10min，关闭加温开关，设定温度为30℃，同时将搅拌转速调至600r/min，温度降到30℃后，用400目滤网过滤并封好桶盖，静置消泡4小时。1. Prepare the antistatic agent solution: Weigh the antistatic agent and seal it for later use. Add the weighed deionized water to the stirrer, start the stirrer, rotate at 300r / min, and start the heater to set the heating temperature to 60 ° C. After the water temperature reached 60 ° C, slowly add the antistatic agent. After stirring for 10 minutes, turn off the heating switch and set the temperature to 30 ° C. At the same time, adjust the stirring speed to 600r / min. After the temperature drops to 30 ° C, filter with 400 mesh. Filter and seal the bucket lid, and let it stand for 4 hours to defoam.
2、配制聚乙烯醇胶水：在搅拌锅加入称量好的去离子水，启动搅拌器，转速400r/min， 缓慢加入称量好的聚乙烯醇胶粒，加完搅拌20min，启动加热，温度设定到95℃，温度到达95℃关闭加热，通冷却水降温至35℃，250目滤网过滤并封好桶盖，静置消泡24小时后备用；2. Preparation of polyvinyl alcohol glue: Add the weighed deionized water to the stirrer, start the stirrer, the speed is 400r / min, slowly add the weighed polyvinyl alcohol gel particles, stir for 20min after the addition, start heating, temperature Set to 95 ° C, turn off the heating when the temperature reaches 95 ° C, reduce the temperature to 35 ° C with cooling water, filter with a 250 mesh filter and seal the lid of the barrel, and let it stand for 24 hours before defoaming;
S3、配制喷绘涂料：按比例称量好去离子水、分散剂、高岭土、哑光粉，加入分散桶剪切20min，然后加入消泡剂、增白剂、聚乙烯醇胶水，剪切10分钟。分散桶浆料250目过滤至制胶桶，启动搅拌桨，800r/min，缓慢注入纯丙乳液、苯丙乳液，加完分散10min。然后加入抗静电溶液、导电剂、润湿剂，加完搅拌20min。最后胶水抽过滤桶，抽真空消泡30min，250目滤网过滤至涂布桶备用。S3. Prepare inkjet paint: Weigh deionized water, dispersant, kaolin, matte powder in proportion, add dispersion bucket to shear for 20min, then add defoamer, whitener, polyvinyl alcohol glue, and shear for 10 minutes . The dispersion bucket slurry was filtered through 250 meshes into a plastic bucket, and the stirring paddle was started at 800 r / min. Pure acrylic emulsion and styrene-acrylic emulsion were slowly injected, and the dispersion was completed for 10 minutes. Then add antistatic solution, conductive agent, wetting agent, and stir for 20min after the addition. Finally, the glue is pumped into the filter bucket, vacuum-defoamed for 30 minutes, and filtered with a 250-mesh filter to the coating bucket for later use.
实施例2Example 2
哑光抗静电喷绘涂料，其原料为：21份纯丙乳液、22份苯丙乳液、10份聚乙烯醇胶水(由5份聚乙烯醇胶粒与95份去离子水制备)、5份哑光粉、4份抗静电剂溶液(由40份抗静电剂溶于60份去离子水制备而得)、2份高岭土、0.2份分散剂、0.5份增白剂、0.3份消泡剂、0.6份导电剂、0.5份润湿剂和36份去离子水。Matte antistatic inkjet paint, the raw materials are: 21 parts of pure acrylic emulsion, 22 parts of styrene acrylic emulsion, 10 parts of polyvinyl alcohol glue (prepared from 5 parts of polyvinyl alcohol rubber particles and 95 parts of deionized water), 5 parts of matte Light powder, 4 parts of antistatic agent solution (prepared from 40 parts of antistatic agent dissolved in 60 parts of deionized water), 2 parts of kaolin, 0.2 parts of dispersant, 0.5 parts of whitening agent, 0.3 parts of defoamer, 0.6 Parts conductive agent, 0.5 parts wetting agent and 36 parts deionized water.
按照以下步骤制备喷绘涂料：Follow these steps to prepare the inkjet paint:
1、配制抗静电剂溶液：称量抗静电剂，并密封待用，在搅拌锅加入称量好的去离子水，启动搅拌器，转速500r/min，启动加热器设定加热温度65℃。水温到达65℃后开始缓慢加入抗静电剂，加完搅拌15min，关闭加温开关，设定温度为35℃，同时将搅拌转速调至800r/min，温度降到35℃后，用400目滤网过滤并封好桶盖，静置消泡5小时。1. Prepare antistatic agent solution: Weigh the antistatic agent and seal it for later use. Add the weighed deionized water to the stirrer, start the stirrer, rotate at 500r / min, and start the heater to set the heating temperature to 65 ° C. After the water temperature reached 65 ° C, slowly add the antistatic agent. After stirring for 15 minutes, turn off the heating switch and set the temperature to 35 ° C. At the same time, adjust the stirring speed to 800r / min. After the temperature drops to 35 ° C, use a 400 mesh filter. Filter and seal the lid of the barrel, and let it stand for 5 hours to defoam.
2、配制聚乙烯醇胶水：在搅拌锅加入称量好的去离子水，启动搅拌器，转速500r/min，缓慢加入称量好的聚乙烯醇胶粒，加完搅拌30min，启动加热，温度设定到100℃，温度到达100℃关闭加热，通冷却水降温至40℃，250目滤网过滤并封好桶盖，静置消泡24小时后备用；2. Preparation of polyvinyl alcohol glue: Add the weighed deionized water to the stirrer, start the stirrer, the speed is 500r / min, slowly add the weighed polyvinyl alcohol gel particles, stir for 30min after the addition, start heating, temperature Set it to 100 ℃, turn off the heating when the temperature reaches 100 ℃, reduce the temperature to 40 ℃ with cooling water, filter with 250 mesh filter and seal the lid of the barrel, and let it stand for 24 hours to defoam.
S3、配制喷绘涂料：按比例称量好去离子水、分散剂、高岭土、哑光粉，加入分散桶剪切30min，然后加入消泡剂、增白剂、聚乙烯醇胶水，剪切15分钟。分散桶浆料250目过滤至制胶桶，启动搅拌桨，1000r/min，缓慢注入纯丙乳液、苯丙乳液，加完分散12min。然后加入抗静电溶液、导电剂、润湿剂，加完搅拌30min。最后胶水抽过滤桶，抽真空消泡40min，250目滤网过滤至涂布桶备用。S3. Prepare inkjet paint: Weigh deionized water, dispersant, kaolin, and matte powder in proportion, add dispersion bucket to shear for 30min, then add defoamer, whitener, polyvinyl alcohol glue, and shear for 15 minutes . The dispersion barrel slurry was filtered through 250 meshes into a plastic barrel, the stirring paddle was started, 1000 r / min, and the pure acrylic emulsion and styrene-acrylic emulsion were slowly injected, and the dispersion was completed for 12 minutes. Then add the antistatic solution, conductive agent, and wetting agent, and stir for 30 minutes. Finally, the glue is pumped into the filter barrel, vacuum-defoamed for 40 minutes, and filtered with a 250-mesh filter to the coating barrel for later use.
实施例3Example 3
哑光抗静电喷绘涂料，其原料为：30份纯丙乳液、16份苯丙乳液、5份聚乙烯醇胶水(由20份聚乙烯醇胶粒与80份去离子水制备)、3份哑光粉、3份抗静电剂溶液(由50份抗静电剂溶于50份去离子水制备而得)、1份高岭土、0.15份分散剂、0.4份增白剂、0.4份消泡剂、0.8份导电剂、0.4份润湿剂和30份去离子水。Matte antistatic inkjet paint, the raw materials are: 30 parts of pure acrylic emulsion, 16 parts of styrene-acrylic emulsion, 5 parts of polyvinyl alcohol glue (prepared from 20 parts of polyvinyl alcohol rubber particles and 80 parts of deionized water), 3 parts of matte Light powder, 3 parts of antistatic agent solution (prepared from 50 parts of antistatic agent dissolved in 50 parts of deionized water), 1 part of kaolin, 0.15 part of dispersant, 0.4 part of whitening agent, 0.4 part of defoamer, 0.8 Parts conductive agent, 0.4 parts wetting agent and 30 parts deionized water.
按照以下步骤制备喷绘涂料：Follow these steps to prepare the inkjet paint:
1、配制抗静电剂溶液：称量抗静电剂，并密封待用，在搅拌锅加入称量好的去离子水，启动搅拌器，转速400r/min，启动加热器设定加热温度55℃。水温到达55℃后开始缓慢加入抗静电剂，加完搅拌8min，关闭加温开关，设定温度为30℃，同时将搅拌转速调至500r/min，温度降到30℃后，用400目滤网过滤并封好桶盖，静置消泡3小时。1. Prepare the antistatic agent solution: Weigh the antistatic agent and seal it for later use. Add the weighed deionized water to the stirrer, start the stirrer, rotate at 400r / min, and start the heater to set the heating temperature of 55 ° C. After the water temperature reached 55 ° C, slowly add the antistatic agent. After stirring for 8 minutes, turn off the heating switch and set the temperature to 30 ° C. At the same time, adjust the stirring speed to 500r / min. After the temperature drops to 30 ° C, use a 400 mesh filter. Filter and seal the bucket lid, and let it stand for 3 hours to defoam.
2、配制聚乙烯醇胶水：在搅拌锅加入称量好的去离子水，启动搅拌器，转速300r/min，缓慢加入称量好的聚乙烯醇胶粒，加完搅拌25min，启动加热，温度设定到90℃，温度到达90℃关闭加热，通冷却水降温至30℃，250目滤网过滤并封好桶盖，静置消泡24小时后备用；2. Preparation of polyvinyl alcohol glue: Add the weighed deionized water to the stirrer, start the stirrer, the speed is 300r / min, slowly add the weighed polyvinyl alcohol glue, stir for 25min after the addition, start heating, temperature Set to 90 ° C, turn off the heating when the temperature reaches 90 ° C, reduce the temperature to 30 ° C with cooling water, filter with 250 mesh filter and seal the lid of the barrel, leave it for 24 hours to defoam and set aside;
S3、配制喷绘涂料：按比例称量好去离子水、分散剂、高岭土、哑光粉，加入分散桶剪切15min，然后加入消泡剂、增白剂、聚乙烯醇胶水，剪切8分钟。分散桶浆料250目过滤至制胶桶，启动搅拌桨，600r/min，缓慢注入纯丙乳液、苯丙乳液，加完分散10min。然后加入抗静电溶液、导电剂、润湿剂，加完搅拌15min。最后胶水抽过滤桶，抽真空消泡20min，250目滤网过滤至涂布桶备用。S3. Prepare inkjet paint: Weigh deionized water, dispersant, kaolin, matte powder in proportion, add dispersion bucket to shear for 15min, then add defoamer, whitener, polyvinyl alcohol glue, and shear for 8 minutes . The dispersion bucket slurry was filtered through 250 meshes into a plastic bucket, and the stirring paddle was started at 600 r / min. Pure acrylic emulsion and styrene-acrylic emulsion were slowly injected, and the dispersion was completed for 10 minutes. Then add antistatic solution, conductive agent, and wetting agent, and stir for 15min. Finally, the glue is evacuated to the filter barrel, vacuum-defoamed for 20 minutes, and filtered with a 250-mesh filter to the coating barrel for later use.
实施例4Example 4
哑光抗静电喷绘涂料，其原料为：25份纯丙乳液、24份苯丙乳液、7份聚乙烯醇胶水(由10份聚乙烯醇胶粒与90份去离子水制备)、7份哑光粉、5份抗静电剂溶液(由30份抗静电剂溶于70份去离子水制备而得)、3份高岭土、0.18份分散剂、0.3份增白剂、0.5份消泡剂、0.5份导电剂、0.6份润湿剂和40份去离子水。Matte antistatic inkjet paint, the raw materials are: 25 parts of pure acrylic emulsion, 24 parts of styrene-acrylic emulsion, 7 parts of polyvinyl alcohol glue (prepared from 10 parts of polyvinyl alcohol rubber particles and 90 parts of deionized water), 7 parts of matte Light powder, 5 parts of antistatic agent solution (prepared from 30 parts of antistatic agent dissolved in 70 parts of deionized water), 3 parts of kaolin, 0.18 parts of dispersant, 0.3 parts of whitening agent, 0.5 parts of antifoaming agent, 0.5 Parts conductive agent, 0.6 parts wetting agent and 40 parts deionized water.
按照以下步骤制备喷绘涂料：Follow these steps to prepare the inkjet paint:
1、配制抗静电剂溶液：称量抗静电剂，并密封待用，在搅拌锅加入称量好的去离子水，启动搅拌器，转速400r/min，启动加热器设定加热温度60℃。水温到达60℃后开始缓慢加入抗静电剂，加完搅拌12min，关闭加温开关，设定温度为30℃，同时将搅拌转速调至600r/min，温度降到30℃后，用400目滤网过滤并封好桶盖，静置消泡4小时。1. Prepare the antistatic agent solution: Weigh the antistatic agent and seal it for later use. Add the weighed deionized water to the stirrer, start the stirrer, rotate at 400r / min, and start the heater to set the heating temperature to 60 ° C. After the water temperature reached 60 ° C, slowly add the antistatic agent. After stirring for 12 minutes, turn off the heating switch and set the temperature to 30 ° C. At the same time, adjust the stirring speed to 600r / min. After the temperature drops to 30 ° C, filter with 400 mesh. Filter and seal the bucket lid, and let it stand for 4 hours to defoam.
2、配制聚乙烯醇胶水：在搅拌锅加入称量好的去离子水，启动搅拌器，转速500r/min，缓慢加入称量好的聚乙烯醇胶粒，加完搅拌20min，启动加热，温度设定到95℃，温度到达95℃关闭加热，通冷却水降温至35℃，250目滤网过滤并封好桶盖，静置消泡24小时后备用；2. Preparation of polyvinyl alcohol glue: Add the weighed deionized water to the stirrer, start the stirrer, the speed is 500r / min, slowly add the weighed polyvinyl alcohol gel particles, stir for 20min after the addition, start heating, temperature Set to 95 ° C, turn off the heating when the temperature reaches 95 ° C, reduce the temperature to 35 ° C with cooling water, filter with a 250 mesh filter and seal the lid of the barrel, and let it stand for 24 hours before defoaming;
S3、配制喷绘涂料：按比例称量好去离子水、分散剂、高岭土、哑光粉，加入分散桶剪切25min，然后加入消泡剂、增白剂、聚乙烯醇胶水，剪切12分钟。分散桶浆料250目过滤至制胶桶，启动搅拌桨，800r/min，缓慢注入纯丙乳液、苯丙乳液，加完分散10min。然后加入抗静电溶液、导电剂、润湿剂，加完搅拌20min。最后胶水抽过滤桶，抽真空消泡30min，250目滤网过滤至涂布桶备用。S3. Prepare inkjet paint: Weigh deionized water, dispersant, kaolin, and matte powder in proportion, add dispersion bucket to shear for 25min, then add defoamer, whitening agent, polyvinyl alcohol glue, and shear for 12 minutes . The dispersion bucket slurry was filtered through 250 meshes into a plastic bucket, and the stirring paddle was started at 800 r / min. Pure acrylic emulsion and styrene-acrylic emulsion were slowly injected, and the dispersion was completed for 10 minutes. Then add antistatic solution, conductive agent, wetting agent, and stir for 20min after the addition. Finally, the glue is pumped into the filter bucket, vacuum-defoamed for 30 minutes, and filtered with a 250-mesh filter to the coating bucket for later use.
性能测试Performance Testing
弱溶剂PP纸：PP纸经过火花机电晕处理，然后用10号光棒涂布双组份丙烯酸底涂，80℃ 烘干，再用100号线棒涂布实施例1的喷绘涂料，涂布量50～65g/m 2，速度45～60m/min，烘干之后进行分切包装。 Weak solvent PP paper: PP paper is subjected to spark electromechanical halo treatment, and then a two-component acrylic primer is coated with a No. 10 light rod, dried at 80 ° C, and then the inkjet coating of Example 1 is applied with a No. 100 wire rod, and coated The amount is 50 ～ 65g / m 2 and the speed is 45 ～ 60m / min. After drying, it is cut and packed.
弱溶剂PVC胶片：PVC胶片经过电火花机电晕处理，使用100号线棒涂布实施例2的喷绘涂料，涂布量50～65g/m 2，速度35～50m/min，烘干后分切包装。 Weak solvent PVC film: PVC film is treated by electro-spark electromechanical halo treatment, and the inkjet coating of Example 2 is coated with a 100-gauge wire rod, the coating amount is 50 to 65 g / m 2 , the speed is 35 to 50 m / min, and it is cut after drying package.
实施例1喷绘涂料测试结果Example 1 test results of inkjet paint
Figure PCTCN2018107645-appb-000001
Figure PCTCN2018107645-appb-000001
实施例2喷绘涂料测试结果Example 2 test results of inkjet paint
Figure PCTCN2018107645-appb-000002
Figure PCTCN2018107645-appb-000002
Figure PCTCN2018107645-appb-000003
Figure PCTCN2018107645-appb-000003
测试方法testing method
防爆静电电压表：EST101型，一种非接触式测量带电物体静电电压(电位)，检测防静电产品性能的仪器，测试时采取与被测面间距1cm，取测量值乘以0.3为最终测试结果。Explosion-proof electrostatic voltmeter: EST101, a non-contact measuring device for the electrostatic voltage (potential) of a charged object, an instrument for detecting the performance of antistatic products. The distance between the test surface and the measured surface is 1cm. The measured value is multiplied by 0.3 as the final test result. .
表面电阻测试仪：品牌型号为胜利VC385，将表放置需要测试的涂层表面，按“TEST”键直接读数。Surface resistance tester: The brand model is Shengli VC385. Place the meter on the coating surface to be tested and press the "TEST" key to read directly.
结论：in conclusion:
1、哑光抗静电涂料涂层密度比市售弱溶剂产品涂层密度低，打印颜色色密度K值与市面产品接近或者稍高，色彩鲜艳。1. The coating density of matte antistatic coating is lower than that of commercially available weak solvent products. The K value of printing color is close to or slightly higher than that of the products on the market, and the color is bright.
2、哑光抗静电涂料涂层在连续打印静电测试中静电电压值比市面无静电处理产品低，与市面经过外涂抗静电产品静电电压值接近，打印画面清晰，无飞墨，走纸顺畅无卡机。2. The matte antistatic coating coating has a lower electrostatic voltage value than the static-free products on the market in the continuous printing static test, which is close to the electrostatic voltage value of the anti-static products on the market. The print screen is clear, no flying ink, and the paper is smooth. No card machine.
3、涂层表面电阻低，导电性能佳。3. The coating has low surface resistance and good electrical conductivity.
4、涂层光泽度5.3～5.4GS，相比市面产品表面光泽度低，色彩柔和不光亮刺眼。4. The gloss of the coating is 5.3 ～ 5.4GS. Compared with the products on the market, the surface gloss is low, and the color is soft and not bright.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何属于本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present invention. All should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

  1. 一种哑光抗静电喷绘涂料，其特征在于，按照重量份数，其原料为：20～30份纯丙乳液、15～25份苯丙乳液、5～10份聚乙烯醇胶水、3～8份哑光粉、2～5份抗静电剂溶液、1～3份高岭土、0.1～0.2份分散剂、0.2～0.5份增白剂、0.2～0.5份消泡剂、0.5～0.8份导电剂、0.4～0.6份润湿剂和30～40份去离子水。A matte antistatic inkjet paint, characterized in that, in terms of parts by weight, its raw materials are: 20-30 parts of pure acrylic emulsion, 15-25 parts of styrene-acrylic emulsion, 5-10 parts of polyvinyl alcohol glue, 3-8 Parts of matte powder, 2 to 5 parts of antistatic solution, 1 to 3 parts of kaolin, 0.1 to 0.2 parts of dispersant, 0.2 to 0.5 part of whitening agent, 0.2 to 0.5 part of defoaming agent, 0.5 to 0.8 part of conductive agent, 0.4 to 0.6 parts of wetting agent and 30 to 40 parts of deionized water.
  2. 根据权利要求1所述的喷绘涂料，其特征在于，其原料为：24份纯丙乳液、20份苯丙乳液、8份聚乙烯醇胶水、6份哑光粉、4份抗静电剂、2.2份高岭土、0.1份分散剂、0.32份增白剂、0.34份消泡剂、0.56份导电剂、0.48份润湿剂和34份去离子水。The inkjet paint according to claim 1, characterized in that the raw materials are: 24 parts of pure acrylic emulsion, 20 parts of styrene-acrylic emulsion, 8 parts of polyvinyl alcohol glue, 6 parts of matte powder, 4 parts of antistatic agent, 2.2 Parts of kaolin, 0.1 parts of dispersant, 0.32 parts of whitener, 0.34 parts of defoamer, 0.56 parts of conductive agent, 0.48 parts of wetting agent, and 34 parts of deionized water.
  3. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述纯丙乳液的粒径为0.1～0.2μm，最低成膜温度为23℃。The inkjet paint according to claim 1 or 2, wherein the particle size of the pure acrylic emulsion is 0.1-0.2 μm, and the minimum film-forming temperature is 23 ° C.
  4. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述苯丙乳液的粒径为0.1～0.2μm，玻璃化温度为14℃。The inkjet paint according to claim 1 or 2, wherein a particle size of the styrene-acrylic emulsion is 0.1 to 0.2 m, and a glass transition temperature is 14 ° C.
  5. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述哑光粉为二氧化硅，平均粒径为6.8μm，吸油值为210～260g/100g。The inkjet paint according to claim 1 or 2, wherein the matte powder is silicon dioxide, the average particle diameter is 6.8 μm, and the oil absorption value is 210 to 260 g / 100 g.
  6. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述抗静电剂溶液由抗静电剂溶于水而得，所述抗静电剂为仲烷基磺酸化合物的衍生物，平均碳链长度为C15，平均分子量为330。The inkjet paint according to claim 1 or 2, wherein the antistatic agent solution is obtained by dissolving an antistatic agent in water, the antistatic agent is a derivative of a secondary alkylsulfonic acid compound, and the average carbon is The chain length was C15 and the average molecular weight was 330.
  7. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述高岭土为煅烧高领土，粒径为0.7μm，ISO白度≥91。The inkjet paint according to claim 1 or 2, wherein the kaolin is a calcined high territory, the particle size is 0.7 μm, and the ISO whiteness is ≧ 91.
  8. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述分散剂为水性聚丙烯酸钠盐分散剂。The inkjet paint according to claim 1 or 2, wherein the dispersant is an aqueous polyacrylate sodium salt dispersant.
  9. 根据权利要求1或2所述的喷绘涂料，其特征在于，所述导电剂为聚噻吩。The inkjet paint according to claim 1 or 2, wherein the conductive agent is polythiophene.
  10. 一种权利要求1或2所述的喷绘涂料的制备方法，其特征在于，包括以下步骤：A method for preparing a spray paint according to claim 1 or 2, further comprising the following steps:
    S1、配制抗静电剂溶液：向去离子水中加入抗静电剂并加热搅拌，冷却、过滤、消泡；S1. Preparation of antistatic agent solution: add antistatic agent to deionized water, heat and stir, cool, filter, and defoam;
    S2、配制聚乙烯醇胶水：向去离子水中加入聚乙烯醇胶粒并加热搅拌，冷却、过滤、消泡；S2. Formulating polyvinyl alcohol glue: adding polyvinyl alcohol particles to deionized water and heating and stirring, cooling, filtering, and defoaming;
    S3、配制喷绘涂料：向分散桶加入去离子水、分散剂、高岭土、哑光粉，并剪切，然后加入消泡剂、增白剂、聚乙烯醇胶水，剪切后过滤，搅拌条件下加入纯丙乳液、苯丙乳液，分散均匀后加入抗静电剂溶液、导电剂、润湿剂，搅拌均匀后消泡、过滤即得。S3. Preparation of inkjet paint: Add deionized water, dispersant, kaolin, matte powder to the dispersion tank, and cut, then add defoamer, whitening agent, polyvinyl alcohol glue, filter after shearing, and stir. Add pure acrylic emulsion, styrene-acrylic emulsion, and evenly disperse. Add antistatic agent solution, conductive agent, and wetting agent. Stir evenly after defoaming and filtering.
PCT/CN2018/107645 2018-05-30 2018-09-26 Matt and antistatic spray coating and preparation method therefor WO2019227801A1 (en)

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