WO2017096912A1 - 一种晶纹印铁美术油墨 - Google Patents

一种晶纹印铁美术油墨 Download PDF

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Publication number
WO2017096912A1
WO2017096912A1 PCT/CN2016/091498 CN2016091498W WO2017096912A1 WO 2017096912 A1 WO2017096912 A1 WO 2017096912A1 CN 2016091498 W CN2016091498 W CN 2016091498W WO 2017096912 A1 WO2017096912 A1 WO 2017096912A1
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Prior art keywords
oil
crystal grain
solvent
art ink
resin
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PCT/CN2016/091498
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English (en)
French (fr)
Inventor
李治威
盛长根
欧阳杰
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东莞市新威环保科技有限公司
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Publication of WO2017096912A1 publication Critical patent/WO2017096912A1/zh

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • C09D11/104Polyesters
    • C09D11/105Alkyd resins

Definitions

  • the invention belongs to the field of ink technology, and in particular relates to an environmentally friendly crystal grain printing iron art ink.
  • Art ink is a special type of ink composed of special materials, which is an industrial ink. Like other inks, printing this ink on the surface of the object will protect the object. The difference is that after the ink is formed into a film, the film will form or appear various beautiful patterns or patterns, and the appearance will be colorful and layered. Clear, beautiful, with obvious high decorative.
  • the crystal grain ink is a kind of art ink, and is named because the appearance of the film is crystallized.
  • the coating film has clear texture, sparkling, unique visual effect, can cover the substrate, has super decorative, and has a smooth touch and strong layering.
  • Art ink only iron paint
  • the tin cans mainly refer to iron cans of various shapes by printing various patterns of tinplate. According to its use, it can be roughly divided into food cans, gift cans and chemical cans. Common mooncake cans, tea cans, milk powder cans, wine cans, beverage cans and chemical barrels, etc.
  • the process of printing tin cans is mainly: first apply a layer of paint (base oil or white magnetic oil) on the tinplate, and then print the ink on the surface of the paint (first print white ink, then red, yellow, blue, etc.) Then, the varnish (light or matte) is applied to the ink, and finally the desired shape is obtained, that is, the finished product is obtained.
  • paint base oil or white magnetic oil
  • the varnish light or matte
  • the existing printing ink is mainly composed of coconut oil alkyd resin or soybean oil alkyd resin, epoxy resin and amino resin as a binder and various pigments and coloring agents, and the formulation contains cobalt.
  • Manganese Qi 1J not environmentally friendly;
  • the epoxy resin used to improve adhesion in the formulation contains bisphenol A, a substance harmful to the human body.
  • the object of the present invention is to provide an environment-friendly crystal grain printing iron art ink, which can meet the requirements of local printing of tinplate, provide unique crystal grain vision and tactile feeling, and improve products. Grade and added value; and its formula does not contain cobalt, manganese driers, in line with environmental requirements; formula does not contain substances harmful to human body such as bisphenol A. Problem solution
  • a crystal grain printing iron art ink in terms of mass percentage, includes the following components:
  • the closed polyisocyanate is intended to be 1% to 15%;
  • the short oil alkyd resin has high gloss, good brushability, leveling property, and its release of solvent is faster.
  • the drying property is good;
  • the blocked polyisocyanate is a polymer which is stable at room temperature formed by reacting the NCO group of the polyisocyanate with the blocking agent, and the blocked polyisocyanate is combined with the polyol resin to obtain a stable ink at normal temperature, the ink Under the baking condition, the blocking agent dissociates at a high temperature to release the NCO group, whereby the polyisocyanate cross-links with the polyol resin component to form a coating film.
  • Blocked polyisocyanates are easy to handle and are not sensitive to atmospheric humidity.
  • Tung oil is an excellent dry vegetable oil with fast drying, low specific gravity, good gloss, strong adhesion, heat resistance, acid resistance, alkali resistance, corrosion resistance, rust resistance, non-conductivity, etc. It is divided into two kinds of raw tung oil and cooked tung oil.
  • the cooked tung oil is processed from raw tung oil.
  • the tung oil is divided into two types, one is cooked pure tung oil, the other is mixed tung oil, among which the extraction of pure tung oil
  • the method is to stir the oil into the oil and not add any chemical ingredients.
  • the mixed tung oil is made by blending 20% varnish, 20% rosin and 60% tung oil, and heating it to 260 °C.
  • the mixed cooked tung oil has a large taste and a strong lacquer atmosphere.
  • the cooked tung oil of the present invention is preferably cooked pure tung oil, and the added tung oil has good ink stability, fast drying, and the use of the anti-staining property.
  • the cooked tung oil of the present invention When it is placed in the air with sulfur dioxide and other pollutants, it can form obvious crystal lines, and the lines are clear, bright and white.
  • the solvent is used to dissolve other substances, and to uniformly disperse other substances therein.
  • the phenylamino resin has good compatibility with various thermosetting resins, and has good water resistance, good gloss, good flexibility, salt spray resistance, and chemical resistance, and is particularly excellent for color transfer in transfer printing.
  • the closed acid catalyst is used for catalysis to increase the speed of cross-linking reaction between the short oil alkyd resin and the blocked polyisocyanate, lower the curing temperature, shorten the curing time, and improve the hardness, gloss and moisture resistance of the ink. And corrosion resistance, improve the mechanical properties of the ink.
  • the role of the adhesion promoter is to greatly improve the adhesion of the film layer to the substrate, and to improve the moisture resistance, salt spray resistance and heat resistance of the coating film, and at a very small dosage, a high strength attachment can be obtained.
  • the force and bonding force can improve the ductility and impact resistance of the coating film, and the high temperature baking does not change color, and does not affect the weather resistance of the coating film.
  • the filler can increase the viscosity of the ink, and the filler needs to be dehydrated prior to addition to avoid consumption of a portion of the isocyanate.
  • the dispersing agent can effectively disperse the filler to prevent the filler from agglomerating, so that the thickening effect of the filler is uniform everywhere.
  • Rheology additives are the key components of inks. They control the precise properties and characteristics of fluid products. Without these media inks, they can easily sag. The ink will splash around during the coating process, and the covering ability will be small, and the shelf life will be reduced.
  • rheological additives to adjust the flow of ink Sex, reduce dripping and splashing during roll coating or brushing, and increase the viscosity of the ink quickly and in a controlled manner, thereby improving sag resistance.
  • the rheology additive prevents the formulation during ink transportation or storage. The pigment settles to ensure a rational balance between consistency, durability and good coating characteristics.
  • the content of the solvent is small, only 1% to 5%, plus the strong thickening effect of the filler, and therefore, the present invention is particularly viscous, so that it is particularly required during processing.
  • Leveling aids are additives that reduce surface tension, increase wetting properties, and improve leveling under dynamic or static conditions. If the leveling is poor, it will lead to coating defects such as orange peel, shrinkage, brush marks, etc., and the addition of a proper amount of flat additives can improve these coating defects, and promote the ink to form a flat, smooth, dry film. Uniform coating film.
  • the slip additive can float on the surface of the coating film, reduce the surface tension of the ink, reduce the friction coefficient of the coating film on the second surface, prevent the coating film from being scratched, and improve the ink. Continuous industrial coating workability.
  • leveling agent 0.2% ⁇ 1.5%
  • the short oil degree alkyd resin is obtained by condensation polymerization of a polyol, a phthalic anhydride and a fatty acid, wherein the mass percentage of the fatty acid is less than 40%.
  • the polyol is glycerin, trimethylolpropane At least one of trimethylolethane, pentaerythritol, ethylene glycol, 1,2-propanediol, and 1,3-propanediol;
  • the fatty acid is linseed oil, soybean oil, cottonseed oil, castor oil, dehydrated castor oil At least one of coconut oil, oleic acid, linoleic acid, palm oil, peanut oil and soybean oil.
  • the blocked polyisocyanate is a polymer formed by reacting a polyisocyanate with a blocking agent, and the blocking agent is ethylene glycol monobutyl ether, caprolactam, imidazole. And at least one of 2-methylimidazole, the polyisocyanate being added by at least one of tolylene diisocyanate, diphenylmethane diisocyanate, and hexamethylene diisocyanate.
  • Aliphatic polyisocyanates have better yellowing resistance than aromatic polyisocyanates, while aromatic polyisocyanates react harder to produce coatings. After the polymerization, the coating film can ensure the yellowing resistance of the coating film and ensure the coating film has a large hardness.
  • the solvent is at least one of a benzene-containing solvent, an ester solvent, an ether solvent, and an alcohol solvent
  • the benzene-containing solvent is toluene, two At least one of toluene and acetophenone
  • the ester solvent is at least one of ethyl acetate, butyl acetate and ethylene glycol ethyl ether acetate
  • the ether solvent is diethyl ether or diethylene glycol At least one of methyl ether, propylene glycol methyl ether, ethylene glycol monobutyl ether and dipropylene glycol dimethyl ether
  • the alcohol solvent is ethanol, ethylene glycol, methanol, n-propanol, isopropanol and n-butanol At least one of them.
  • Short oil alkyd resins have a higher solubility in these solvents.
  • the phenylamino resin is at least one of a methyl etherified benzoamino resin and a butylated etherified benzoamino resin; At least one of an acrylate, a polyether modified silicone, and a hydroxyhydrocarbon modified silicone; the rheological aid is at least one of a polyurethane, a polyether, a fumed silica, and an organic bentonite;
  • the slip additive is at least one of a wax paste and a wax powder. Wax powder can significantly reduce the phenomenon of stacking or brushing during offset printing. It has small particle size, good dispersibility, good anti-caking property, and can provide excellent scratch resistance and excellent matting, transparency and Feel.
  • the median diameter of the slip aid is 50 nm to 2 (Vm).
  • the filler is nanometer aluminum oxide particles, nanometer antimony oxide particles, nano calcium carbonate particles, nano magnesium oxide particles, nano silica particles and At least one of the nanometer titanium dioxide particles; the nano-sized filler not only functions to thicken, but also has good fineness and good processing property, and the dispersing agent is water glass, sodium tripolyphosphate, sodium pyrophosphate, oleic acid And at least one of polyethylene glycol.
  • the blocked acid catalyst is at least one of p-toluenesulfonic acid and dodecylbenzenesulfonic acid; and the adhesion promoter is aminosilicone At least one of oxane, alkylsiloxane and propyltrimethoxysiloxane.
  • the preparation method comprises the following steps:
  • a short oil alkyd resin, a benzoamino resin, a solvent and a dispersing agent are added to the dispersion tank, and the filler is added while stirring, and after being dispersed at a high speed, the closed polyisocyanate, the cooked tung oil, and the flow are further added.
  • Flat additives, rheological additives, slip additives, blocked acid catalysts and adhesion promoters continue to disperse until uniform dispersion;
  • the crystallographic printing iron art ink is obtained by pressing 2-10 times with a three-roller machine to make the fineness of ⁇ or less.
  • the present invention has the following advantages:
  • the invention can meet the requirements of tinplate partial printing crystal grain art ink, and provides unique crystal grain visual and tactile sensation, which can ensure that the coating film has clear texture and glittering, and can cover up the substrate.
  • With superior decoration improve product grade and added value, and greatly reduce product cost; and the invention can prolong the storage of ink due to the stable stability of the formula under the premise of smooth touch and strong layering.
  • the invention can be completely cured by baking at 60 ° C to 160 ° C for 8 to 25 minutes, thereby greatly improving the curing efficiency.
  • the crystal grain printing iron art ink of the invention is transparent, and various pigments or dyes can be added to make it Various colors are available.
  • a crystal grain printing iron art ink provided by the embodiment includes the following components in terms of mass percentage:
  • the short oil alkyd resin is obtained by condensation polymerization of glycerin, phthalic anhydride and soybean oil, wherein the mass percentage of soybean oil is 35%, and the mass percentage of phthalic anhydride is 30%.
  • the blocked polyisocyanate is a polymer formed by reacting a polyisocyanate with ethylene glycol monobutyl ether, wherein the polyisocyanate is composed of toluene diisocyanate, diphenylmethane diisocyanate and hexamethylene diisocyanate in a molar ratio of 1:1. : 1 bonus.
  • the wax has a median particle size of 5 ⁇ m.
  • the cooked tung oil is cooked pure tung oil, and the extraction method is to frit the tongs and extract the oil, and do not artificially add any chemical components.
  • the average particle size of the nanosilica is 100 nm.
  • the preparation method thereof comprises the following steps:
  • a short oil alkyd resin, a methyl etherified phenylamino resin, xylene, and polyethylene glycol are added to a dispersion tank, and nano silica is added while stirring, and then dispersed at a high speed, and then added.
  • Closed polyisocyanate, cooked tung oil, hydroxyhydrocarbon modified silicone, polyurethane, wax, p-toluenesulfonic acid and aminosilicone Continue to disperse until uniform dispersion;
  • the crystal grain printing iron art ink is obtained by pressing three times with a three-roller machine to make the fineness of ⁇ or less.
  • a crystal grain printing iron art ink provided by the embodiment includes, in terms of mass percentage, the following components:
  • Alkylsiloxane 0.5 ⁇ 3 ⁇ 4.
  • the short oil alkyd resin is formed by condensation polymerization of ethylene glycol, phthalic anhydride and oleic acid, wherein the mass percentage of oleic acid is 38%, and the mass percentage of phthalic anhydride is 28%.
  • the blocked polyisocyanate is a polymer obtained by reacting a polyisocyanate with caprolactam, wherein the polyisocyanate is added in a molar ratio of 1 : 1 from toluene diisocyanate and 1,6-hexamethylene diisocyanate.
  • the wax powder has a median particle size of 15 ⁇ m.
  • the cooked tung oil is cooked pure tung oil, and the extraction method is to frit the tongs and extract the oil, and do not artificially add any chemical components.
  • the average particle diameter of the nano-aluminum oxide is 200 nm.
  • the preparation method thereof comprises the following steps:
  • a short oil alkyd resin, a butyl etherified phenylamino resin, ethanol, ethyl acetate, and water glass are added to a dispersion tank, and nano-alumina is added while stirring, and after high-speed dispersion, Further, the closed polyisocyanate, the tung oil, the polyether modified silicone, the fumed silica, the wax powder, the dodecylbenzenesulfonic acid and the alkylsiloxane are further dispersed until the dispersion is uniform;
  • the crystal grain printing iron art ink is obtained by pressing 5 times with a three-roller machine to make the fineness of ⁇ or less.
  • a crystal grain printing iron art ink provided by the embodiment includes, in terms of mass percentage, the following components:
  • the short oil alkyd resin is formed by condensation polymerization of pentaerythritol, phthalic anhydride and castor oil, wherein the mass percentage of castor oil is 36%, and the mass percentage of phthalic anhydride is 35%.
  • the blocked polyisocyanate is a polymer obtained by reacting a polyisocyanate with an imidazole, wherein the polyisocyanate is added in a molar ratio of 1:1 from diphenylmethane diisocyanate and 1,6-hexamethylene diisocyanate.
  • the wax powder has a median diameter of 500 nm.
  • the cooked tung oil is cooked pure tung oil, and the extraction method is to frit the tongs and extract the oil, and do not artificially add any chemical components.
  • the nano-magnesia particles have an average particle diameter of 300 nm.
  • the preparation method thereof comprises the following steps:
  • short oily alkyd resin, butylated ether phenylamino resin, n-propanol, butyl acetate and sodium tripolyphosphate are added to a dispersion tank, and nano magnesium oxide is added while stirring, and the film is dispersed at high speed. Thereafter, the closed polyisocyanate, the tung oil, the hydroxyhydrocarbon modified silicone, the polyether, the wax powder, the dodecylbenzenesulfonic acid and the propyltrimethoxysiloxane are further dispersed until the dispersion is uniform;
  • the crystal grain printing iron art ink is obtained by pressing 4 times with a three-roller machine to make the fineness of ⁇ or less.
  • a crystal grain printing iron art ink provided by the embodiment includes the following components in terms of mass percentage:
  • Hydroxyalkyl modified silicones 1.6% ;
  • nano titanium dioxide particles 2.8%
  • the short oil alkyd resin is formed by condensation polymerization of 1,2-propanediol, phthalic anhydride and palm oil, wherein the mass percentage of palm oil is 36%, and the quality of phthalic anhydride The percentage is 36%.
  • the blocked polyisocyanate is a polymer obtained by reacting a polyisocyanate with 2-methylimidazole, wherein the polyisocyanate is added in a molar ratio of 1:3 from toluene diisocyanate and 1,6-hexamethylene diisocyanate.
  • the wax has a median diameter of 1 ⁇ m.
  • the cooked tung oil is cooked pure tung oil, and the extraction method is to frit the tongs and extract the oil, and do not artificially add any chemical components.
  • the nano titanium dioxide particles had an average particle diameter of 150 nm.
  • the preparation method thereof comprises the following steps:
  • a short oil alkyd resin, a methyl etherified phenylamino resin, diethylene glycol monomethyl ether, ethylene glycol ethyl ether acetate, and sodium pyrophosphate are added to a dispersion tank, and added while stirring.
  • the closed polyisocyanate, the tung oil, the hydroxyhydrocarbon modified silicone, the organic bentonite, the wax paste, the p-toluenesulfonic acid and the aminosiloxane are continuously dispersed until the dispersion is uniform;
  • the crystal grain printing iron art ink is obtained by pressing 7 times with a three-roller machine to have a fineness of less than ⁇ .
  • Example 5 A crystal grain printing iron art ink provided by the embodiment includes the following components in terms of mass percentage:
  • the short oil alkyd resin is obtained by condensation polymerization of trimethylolethane, phthalic anhydride and cottonseed oil, wherein the mass percentage of cottonseed oil is 32%, phthalic anhydride The mass percentage is 33%.
  • the blocked polyisocyanate is a polymer formed by reacting a polyisocyanate with 2-methylimidazole, wherein the polyisocyanate is composed of toluene diisocyanate, diphenylmethane diisocyanate and hexamethylene diisocyanate in a molar ratio of 1: 2: 1 bonus comes.
  • the wax powder has a median diameter of 3 ⁇ m.
  • the wax has a median diameter of 2 ⁇ m.
  • the cooked tung oil is cooked pure tung oil, and the extraction method is to frit the tongs and extract the oil, and do not artificially add any chemical components.
  • the average particle diameter of the nanometer antimony oxide particles is 250 nm, and the average particle diameter of the nano calcium carbonate particles is 120 nm.
  • short oily alkyd resin, methyl etherified benzoamino resin, butylated ether phenylamino resin, propylene glycol methyl ether and oleic acid are added to the dispersion tank, and nanometer trioxide is added while stirring.
  • nanometer trioxide is added while stirring.
  • granules, nano-calcium carbonate granules, after high-speed dispersion, then added closed polyisocyanate, cooked tung oil, hydroxyhydrocarbon modified silicone, polyether modified silicone, polyurethane, polyether, wax, wax powder, pair Toluenesulfonic acid, dodecylbenzenesulfonic acid, aminosiloxane and propyltrimethoxysiloxane continue to disperse until uniform dispersion;
  • the crystal grain printing iron art ink is obtained by pressing 6 times with a three-roller machine to make the fineness of ⁇ or less.
  • the crystal grain printing iron inks of Examples 1 to 5 were transferred and rolled onto a part of the surface of the tinplate using a flatbed offset printing machine, specifically: the crystal grain printing iron art inks of Examples 1 to 5 were offset by offset printing. Transfer to a part of the surface of the tinplate, and then dry at 80 ° C for 5 min, so that the solvent is gradually volatilized, and crystallized, and then at 160 ° C, 155 ° C, 150 ° C, 155 ° C and 160 The coating film which has been present on the surface of the tinplate was baked for 10 minutes, 11 minutes, 11 minutes, 10 minutes, and 11 minutes, respectively, under the condition of °C. The results showed that the coating layer was completely cured and formed obviously. Regular, uniform crystal grain, and the film does not appear yellow.
  • Table 1 Test results of the crystal grain coating films formed on the tinplates of Examples 1 to 5 and commercially available crystal grain printing iron art inks.
  • the crystal grain printing iron art ink of the present invention has better crystal grain effect, no yellowing, high glossiness, high adhesion, good flexibility and high impact strength as compared with the commercially available crystal grain printing iron coating.
  • Ben The invention has high solid content, curing speed block, less solvent, more environmental protection, and can obtain a thinner coating by offset printing.
  • the tinplate coated with the above coating layer was subjected to stamping and drawing, and the crystal grain coating was observed. As a result, it was found that no crack was observed in the coating layer formed by the crystal grain printing iron inks of Examples 1 to 5. Such defects, and the coating layer formed by the commercially available crystal grain printing iron art ink found obvious cracks. This indicates that the coating layer formed by the crystal grain printing iron art ink of the present invention has better post-processing properties.
  • the present invention can meet the requirements of tinplate partial printing crystal grain art ink, provide unique crystal grain visual and tactile feeling, improve product grade and added value, greatly reduce product cost; and is environmentally friendly, non-toxic, cobalt-free , manganese, bisphenol A and other restricted substances.
  • Each component in the present invention can be obtained by a commercial channel without separately synthesizing or purifying, and therefore, the components of the present invention are easily obtained, so that the manufacturing cost can be reduced.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

一种环保型的晶纹印铁美术油墨,按质量百分比计,包括以下组分:短油度醇酸树脂50%~80%,封闭型聚异氰酸酯1%~15%,熟桐油5%~20%,溶剂1%~5%,苯代氨基树脂1%~10%,流平助剂0.05%~2%,分散剂0.3%~1%,流变助剂1%~3%,增滑助剂0.05%~5%,封闭型酸催化剂0.05%~3%,填料0.1%~5%,附着力促进剂0.1%~2%。

Description

一种晶纹印铁美术油墨 技术领域
[0001] 本发明属于油墨技术领域, 尤其涉及一种环保型的晶纹印铁美术油墨。
背景技术
[0002] 美术油墨是由特种材料构成的具有特殊效能的油墨品种, 属工业用油墨。 与其 他油墨一样, 将这种油墨印在物体表面会起到对物体的保护作用, 不同的是其 油墨成膜后, 涂膜会形成或出现各种美丽的图案或花纹, 外观色彩艳丽, 层次 分明, 美观大方, 具有明显的高装饰性。
[0003] 晶纹油墨是美术油墨的一种, 因涂膜外观形似结晶而得名。 其涂膜纹理清晰、 闪闪发光, 视觉效果独特, 可对底材的瑕疵起掩盖作用, 具有超强的装饰性, 且触感幼滑, 层次感强, 但是, 目前市场上并没有出现晶纹印铁美术油墨 (仅 有印铁涂料) , 这是因为其是本行业一个难以突破的瓶颈。
[0004] 印铁制罐主要是指将印刷好各种图案的马口铁制成各种形状的铁罐。 按其用途 大致可分为食品罐、 礼品罐和化工罐, 常见的有月饼罐、 茶叶罐、 奶粉罐、 酒 罐、 饮料罐和化工桶等等。 目前印铁制罐的工序主要是: 先在马口铁上涂上一 层涂料 (打底油或者白磁油) , 然后在涂料表面印刷油墨 (先印白墨, 再印红 、 黄、 蓝等色墨) , 然后再在油墨上罩光油 (亮光或哑光) , 最后制成所需的 形状, 即得到成品。 其中油墨及涂料均需烘干固化或 UV固化。
[0005] 但是, 目前印铁油墨和涂料也存在如下不足:
[0006] 首先, 除印刷图案不同之外, 表面效果单调, 无法提供更多的视觉触觉感受, 虽可在印件表面涂印晶纹涂料等美术涂料以提高产品档次及附加值, 但均为满 版的滚涂印刷, 必须在满版印刷的前提下才可使用, 无法满足需在马口铁上局 部印刷晶纹美术油墨的要求, 且由于晶纹涂料的价格比普通光油及哑油高几倍 而明显增加印刷成本。
[0007] 其次, 现有印铁油墨主要是由椰子油醇酸树脂或豆油醇酸树脂、 环氧树脂和氨 基树脂为连接料与各种颜料及整色剂经混合研磨而成, 配方含有钴、 锰类催干 齐 1J, 不环保;
[0008] 再次, 配方中用于提高附着力的环氧树脂含有对人体有害的物质双酚 A。
[0009] 有鉴于此, 确有必要提供一种环保型的晶纹印铁美术油墨, 其可以满足马口铁 局部印刷的要求, 提供独特的晶纹视觉和触觉感受, 提高产品档次及附加值; 而且其配方不含钴、 锰类催干剂, 符合环保的要求; 配方中不含双酚 A等对人体 有害的物质。 o
o
技术问题 o
[0010] 本发明的目的在于: 针对现有技术的不足, 而提供一种环保型的晶纹印铁美术 油墨, 其可以满足马口铁局部印刷的要求, 提供独特的晶纹视觉和触觉感受, 提高产品档次及附加值; 而且其配方不含钴、 锰类催干剂, 符合环保的要求; 配方中不含双酚 A等对人体有害的物质。 问题的解决方案
技术解决方案
[001 1] 为了达到上述目的, 本发明采用如下技术方案:
[0012] 一种晶纹印铁美术油墨, 按质量百分比计, 包括以下组分:
[0013] 短油度醇酸树脂
[0014] 封闭型聚异氰酸酉旨 1 %〜15%;
[0015] 熟桐油
[0016] 溶剂
[0017] 苯代氨基树脂
[0018] 流平助剂
[0019] 分散剂
[0020] 流变助剂
[0021] 增滑助剂 。'(^〜 ^;
[0022] 封闭型酸催化剂
[0023] 填料
[0024] 附着力促进剂
[0025] 其中, 短油度醇酸树脂光泽高、 刷涂性、 流平性好, 而且其对溶剂的释放较快 , 干燥性能好; 封闭型聚异氰酸酯是由聚异氰酸酯的 NCO基团与封闭剂反应生 成的常温下稳定的聚合物, 封闭型聚异氰酸酯与多元醇树脂配合, 可以得到常 温下稳定的油墨, 该油墨在烘烤条件下, 封闭剂在高温下解离, 释放 NCO基团 , 从而聚异氰酸酯与多元醇树脂组分发生交联反应, 形成涂膜。 封闭型聚异氰 酸酯容易操作, 且对大气湿度不敏感。 桐油是一种优良的带干性植物油, 具有 干燥快、 比重轻、 光泽度好、 附着力强、 耐热、 耐酸、 耐碱、 防腐、 防锈、 不 导电等特性, 用途广泛。 其又分为生桐油和熟桐油两种, 熟桐油由生桐油加工 而成, 熟桐油又分为两种, 一种是熟纯桐油, 另外一种是混合熟桐油, 其中, 纯熟桐油的榨取方法是将桐子炒熟榨油, 不人为添加任何化学成分, 而混合熟 桐油则是将 20%的清漆、 20%的松香和 60%的桐油勾兑后, 加热熬到 260°C而制成 。 混合的熟桐油味道大, 有强烈的漆的气息, 因此, 本发明的熟桐油优选为熟 纯桐油, 添加熟桐油的油墨稳定性好, 干燥快, 利用其抗污性不好的特点, 将 其置于有二氧化硫等污气的空气中, 就能够形成明显的晶纹, 纹路清晰、 光亮 、 白度好。
[0026] 溶剂用于溶解其他物质, 使其它物质均匀分散于其内。 苯代氨基树脂与各种热 固性树脂的兼容性好, 而且耐水性好、 光泽好、 柔韧性好、 耐盐雾、 耐化学性 能好, 特别是在移转印方面对着色更优异。 封闭型酸催化剂用于起到催化作用 , 提高短油度醇酸树脂和封闭型聚异氰酸酯之间交联反应的速度、 降低固化温 度、 缩短固化吋间、 提高油墨的硬度、 光泽、 耐潮湿性和耐腐蚀性、 提高油墨 的机械性能。 附着力促进剂的作用在于大幅度提高膜层与基材的附着力, 并能 改善涂膜的抗潮湿性、 抗盐雾性能和耐热性能, 而且极小的用量, 即可获得高 强的附着力与键结力、 可增进涂膜的延展性和耐冲击性, 高温烘烤不变色, 并 且不影响涂膜的耐候性。
[0027] 填料可以使得油墨的粘度增加, 填料在添加前需经过脱水处理, 以避免消耗掉 部分异氰酸酯。 分散剂可以将填料有效地分散幵来, 防止填料团聚, 使得填料 的增稠效果各处均一。 流变助剂是油墨的关键成分, 它可以控制流体产品的精 密特性和特征, 没有这些介质油墨就容易流挂, 油墨在涂布过程中就会四处飞 溅, 覆盖能力变小, 而且保存期限也会缩短, 采用流变助剂可调整油墨的流动 性, 减少在辊涂或刷涂过程中发生的滴落和飞溅, 油墨粘度快速且受控地增加 , 从而改善了抗流挂性, 在油墨运输或储存过程中, 流变助剂可防止配方中颜 料沉降, 确保了最终产品的一致性, 耐久性和良好的涂布特性之间达到理性的 平衡。
[0028] 此外, 本发明中溶剂的含量很少, 仅为 1%-5% , 再加上填料的强效的增稠作用 , 因此, 本发明特别粘稠, 因此在加工过程中, 特别需要流平助剂。 流平助剂 是在动态或者静态条件下, 能够降低表面张力, 增加润湿性能, 提高流平效果 的助剂。 如果流平不良, 将导致桔皮、 缩孔、 刷痕等等涂膜缺陷, 而适量的 平助剂的添加则可以改善这些涂膜缺陷, 促使油墨在干燥成膜过程中形成一个 平整、 光滑、 均匀的涂膜。 油墨涂敷于物体表面以后, 增滑助剂能浮在涂膜表 面, 降低油墨的表面张力, 使涂膜对第二个表面的摩擦系数降低, 使涂膜避免 划伤, 还可提高油墨的连续化的工业涂装的作业性。
[0029] 作为本发明晶纹印铁美术油墨的一种改进 按质量百分比计, 包括以下组分:
[0030] 短油度醇酸树脂
[0031] 封闭型聚异氰酸酉旨 s^ra ;
[0032] 熟桐油
[0033] 溶剂 2<¾〜4<¾;
[0034] 苯代氨基树脂 >%〜Ί% .,
[0035] 流平助剂 0.2%^ 1.5%;
[0036] 分散剂 0.5%— 0.8%;
[0037] 流变助剂 1.5%— 2.5%;
[0038] 增滑助剂 0.5%— 3%;
[0039] 封闭型酸催化剂 0.2%^2%;
[0040] 填料 0.5%— 3%;
[0041] 附着力促进剂
[0042] 作为本发明晶纹印铁美术油墨的一种改进 所述短油度醇酸树脂是由多元醇、 苯二甲酸酐和脂肪酸缩合聚合而成, 其中脂肪酸的质量百分比小于 40%。
[0043] 作为本发明晶纹印铁美术油墨的一种改进, 所述多元醇为甘油、 三羟甲基丙烷 、 三羟甲基乙烷、 季戊四醇、 乙二醇、 1, 2-丙二醇和 1, 3-丙二醇中的至少一种 ; 所述脂肪酸为亚麻仁油、 豆油、 棉籽油、 蓖麻油、 脱水蓖麻油、 椰子油、 油 酸、 亚油酸、 棕榈油、 花生油和大豆油中的至少一种。
[0044] 作为本发明晶纹印铁美术油墨的一种改进, 所述封闭型聚异氰酸酯是由聚异氰 酸酯与封闭剂反应生成的聚合物, 所述封闭剂为乙二醇单丁醚、 己内酰胺、 咪 唑和 2-甲基咪唑中的至少一种, 所述聚异氰酸酯由甲苯二异氰酸酯、 二苯基甲烷 二异氰酸酯和 1, 6-己二异氰酸酯中的至少一种加成而来。 脂肪族聚异氰酸酯比 芳香族聚异氰酸酯具有更好的耐黄变性能, 而芳香族聚异氰酸酯反应产生的涂 膜较硬。 二者聚合后既能保证涂膜具有较好的耐黄变性能, 又能保证涂膜具有 较大的硬度。
[0045] 作为本发明晶纹印铁美术油墨的一种改进, 所述溶剂为含苯溶剂、 酯类溶剂、 醚类溶剂和醇类溶剂中的至少一种, 所述含苯溶剂为甲苯、 二甲苯和苯乙酮中 的至少一种; 所述酯类溶剂为醋酸乙酯、 醋酸丁酯和乙二醇乙醚醋酸酯中的至 少一种, 所述醚类溶剂为乙醚、 二乙二醇单甲醚、 丙二醇甲醚、 乙二醇单丁醚 和二丙二醇二甲醚中的至少一种; 所述醇类溶剂为乙醇、 乙二醇、 甲醇、 正丙 醇、 异丙醇和正丁醇中的至少一种。 短油度醇酸树脂在这些溶剂中的溶解度较 大。
[0046] 作为本发明晶纹印铁美术油墨的一种改进, 所述苯代氨基树脂为甲醚化苯代氨 基树脂和丁醚化苯代氨基树脂中的至少一种; 所述流平助剂为丙烯酸酯类、 聚 醚改性有机硅类和羟烃基改性有机硅类中的至少一种; 所述流变助剂为聚氨酯 、 聚醚、 气相二氧化硅和有机膨润土中的至少一种; 所述增滑助剂为蜡浆和蜡 粉中的至少一种。 蜡粉能显著减少胶印过程中堆墨或刷涂中堆漆现象, 粒径小 , 分散性好、 防结块性佳, 且能提供极佳的抗刮伤和优良的消光性、 透明性和 手感。 增滑助剂的中值粒径为 50nm〜2(Vm。
[0047] 作为本发明晶纹印铁美术油墨的一种改进, 所述填料为纳米三氧化二铝颗粒、 纳米三氧化二锑颗粒、 纳米碳酸钙颗粒、 纳米氧化镁颗粒、 纳米二氧化硅颗粒 和纳米二氧化钛颗粒中的至少一种; 纳米级的填料不仅能起到增稠的作用, 而 且细度好, 加工性能好, 所述分散剂为水玻璃、 三聚磷酸钠、 焦磷酸钠、 油酸 和聚乙二醇中的至少一种。
[0048] 作为本发明晶纹印铁美术油墨的一种改进, 所述封闭型酸催化剂为对甲苯磺酸 和十二烷基苯磺酸中的至少一种; 所述附着力促进剂为氨基硅氧烷、 烷基硅氧 烷和丙基三甲氧基硅氧烷中的至少一种。
[0049] 作为本发明晶纹印铁美术油墨的一种改进, 其制备方法包括以下步骤:
[0050] 第一步, 将短油度醇酸树脂、 苯代氨基树脂、 溶剂和分散剂加入分散缸中, 边 搅拌边加入填料, 高速分散后, 再加入封闭型聚异氰酸酯、 熟桐油、 流平助剂 、 流变助剂、 增滑助剂、 封闭型酸催化剂和附着力促进剂继续分散, 直至分散 均匀;
[0051] 第二步, 用三辊机压 2-10遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁美术油墨。
[0052] 将所述晶纹印铁美术油墨涂至被涂物上吋, 采用胶印的方式将所述晶纹印铁美 术油墨移转至被涂物上, 然后在 60°C〜90°C下干燥 2min〜10min, 再在 130°C〜1 55°C下干燥 6min〜15min。 先低温干燥, 以使溶剂渐渐挥发掉, 出现晶纹, 然后 再用较高的温度干燥, 可以形成明显的、 有规则的、 均匀的晶纹。
发明的有益效果
有益效果
[0053] 相对于现有技术, 本发明具有如下优势:
[0054] 第一, 可以满足马口铁局部印刷晶纹美术油墨的要求, 提供独特的晶纹视觉和 触觉感受, 其能在保证涂膜具有纹理清晰、 闪闪发光, 可对底材的瑕疵起掩盖 作用, 具有超强的装饰性, 提高产品档次及附加值, 大幅度降低产品成本; 且 本发明在触感幼滑, 层次感强的前提下, 由于配方稳定性好, 因此能够延长油 墨的存储吋间以满足大批量生产的需要, 而且能够缩短烘烤吋间, 实践表明: 本发明在 60°C〜160°C的条件下烘烤 8〜25分钟就能完全固化, 从而可以大大提高 固化效率。
[0055] 第二, 环保无毒, 不含钴、 锰、 双酚 A等限制使用的物质, 施工过程中气味小
, 环境友好, 符合环保的要求;
[0056] 第三, 可以采用平板胶印方式涂布, 损耗低, 而且可以大幅提高生产效率。
[0057] 此外, 本发明的晶纹印铁美术油墨是透明的, 可以加入各种颜料或染料使其呈 现出各种颜色。
实施该发明的最佳实施例
本发明的最佳实施方式
[0058] 实施例 1
[0059] 本实施例提供的一种晶纹印铁美术油墨, 按质量百分比计, 包括以下组分:
[0060] 短油度醇酸树脂 65%;
[0061] 封闭型聚异氰酸酯 10%;
[0062] 熟桐油 10%;
[0063] 二甲苯 3%;
[0064] 甲醚化苯代氨基树脂 5%;
[0065] 羟烃基改性有机硅类 0.5%;
[0066] 聚乙二醇 0.5%;
[0067] 聚氨酯 2%;
[0068] 蜡浆 1%;
[0069] 对甲苯磺酸 1%;
[0070] 纳米二氧化硅 1%;
[0071] 氨基硅氧烷 1%。
[0072] 其中, 短油度醇酸树脂是由甘油、 邻苯二甲酸酐和豆油缩合聚合而成, 其中, 豆油的质量百分比为 35%, 邻苯二甲酸酐的质量百分比为 30%。 封闭型聚异氰酸 酯是由聚异氰酸酯与乙二醇单丁醚反应生成的聚合物, 其中, 聚异氰酸酯由甲 苯二异氰酸酯、 二苯基甲烷二异氰酸酯和 1, 6-己二异氰酸酯按照摩尔比例 1: 1 : 1加成而来。 蜡浆的中值粒径为 5μηι。 其中的熟桐油为熟纯桐油, 其榨取方法 是将桐子炒熟榨油, 不人为添加任何化学成分。 纳米二氧化硅的平均粒径为 100 nm。
[0073] 其制备方法包括以下步骤:
[0074] 第一步, 将短油度醇酸树脂、 甲醚化苯代氨基树脂、 二甲苯和聚乙二醇加入分 散缸中, 边搅拌边加入纳米二氧化硅, 高速分散后, 再加入封闭型聚异氰酸酯 、 熟桐油、 羟烃基改性有机硅类、 聚氨酯、 蜡浆、 对甲苯磺酸和氨基硅氧烷继 续分散, 直至分散均匀;
[0075] 第二步, 用三辊机压 3遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁美术油墨。
[0076] 实施例 2
[0077] 本实施例提供的一种晶纹印铁美术油墨, 按质量百分比计, 包括以下组分:
[0078] 短油度醇酸树脂 59% ;
[0079] 封闭型聚异氰酸酯 5% ;
[0080] 熟桐油 15% ;
[0081] 乙醇 1.5% ;
[0082] 醋酸乙酯 1 % ;
[0083] 丁醚化苯代氨基树脂 8% ;
[0084] 聚醚改性有机硅类 0.8% ;
[0085] 水玻璃 0.7% ;
[0086] 气相二氧化硅 1.5% ;
[0087] 蜡粉 3% ;
[0088] 十二烷基苯磺酸 2% ;
[0089] 纳米三氧化二铝 2% ;
[0090] 烷基硅氧烷 0.5<¾。
[0091] 其中, 短油度醇酸树脂是由乙二醇、 邻苯二甲酸酐和油酸缩合聚合而成, 其中 , 油酸的质量百分比为 38%, 邻苯二甲酸酐的质量百分比为 28%。 封闭型聚异氰 酸酯是由聚异氰酸酯与己内酰胺反应生成的聚合物, 其中, 聚异氰酸酯由甲苯 二异氰酸酯和 1, 6-己二异氰酸酯按照摩尔比例 1 : 1加成而来。 蜡粉的中值粒径 为 15μηι。 其中的熟桐油为熟纯桐油, 其榨取方法是将桐子炒熟榨油, 不人为添 加任何化学成分。 纳米三氧化二铝的平均粒径为 200nm。
[0092] 其制备方法包括以下步骤:
[0093] 第一步, 将短油度醇酸树脂、 丁醚化苯代氨基树脂、 乙醇、 醋酸乙酯和水玻璃 加入分散缸中, 边搅拌边加入纳米三氧化二铝, 高速分散后, 再加入封闭型聚 异氰酸酯、 熟桐油、 聚醚改性有机硅类、 气相二氧化硅、 蜡粉、 十二烷基苯磺 酸和烷基硅氧烷继续分散, 直至分散均匀; [0094] 第二步, 用三辊机压 5遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁美术油墨。
[0095] 实施例 3
[0096] 本实施例提供的一种晶纹印铁美术油墨, 按质量百分比计, 包括以下组分:
[0097] 短油度醇酸树脂 70.5% ;
[0098] 封闭型聚异氰酸酯 8%;
[0099] 熟桐油 6%;
[0100] 正丙醇 2%;
[0101] 醋酸丁酯 2%;
[0102] 丁醚化苯代氨基树脂 2%;
[0103] 羟烃基改性有机硅类 0.6% ;
[0104] 三聚磷酸钠 0.4% ;
[0105] 聚醚 2.5% ;
[0106] 蜡粉 0.5% ;
[0107] 十二烷基苯磺酸 0.5% ;
[0108] 纳米氧化镁颗粒 3.5% ;
[0109] 丙基三甲氧基硅氧烷 1.5%。
[0110] 其中, 短油度醇酸树脂是由季戊四醇、 邻苯二甲酸酐和蓖麻油缩合聚合而成, 其中, 蓖麻油的质量百分比为 36%, 邻苯二甲酸酐的质量百分比为 35%。 封闭型 聚异氰酸酯是由聚异氰酸酯与咪唑反应生成的聚合物, 其中, 聚异氰酸酯由二 苯基甲烷二异氰酸酯和 1, 6-己二异氰酸酯按照摩尔比例 1 : 1加成而来。 蜡粉的 中值粒径为 500nm。 其中的熟桐油为熟纯桐油, 其榨取方法是将桐子炒熟榨油, 不人为添加任何化学成分。 纳米氧化镁颗粒的平均粒径为 300nm。
[0111] 其制备方法包括以下步骤:
[0112] 第一步, 将短油度醇酸树脂、 丁醚化苯代氨基树脂、 正丙醇、 醋酸丁酯和三聚 磷酸钠加入分散缸中, 边搅拌边加入纳米氧化镁, 高速分散后, 再加入封闭型 聚异氰酸酯、 熟桐油、 羟烃基改性有机硅类、 聚醚、 蜡粉、 十二烷基苯磺酸和 丙基三甲氧基硅氧烷继续分散, 直至分散均匀;
[0113] 第二步, 用三辊机压 4遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁美术油墨。 [0114] 实施例 4
[0115] 本实施例提供的一种晶纹印铁美术油墨, 按质量百分比计, 包括以下组分:
[0116] 短油度醇酸树脂 54% ;
[0117] 封闭型聚异氰酸酯 12% ;
[0118] 熟桐油 18% ;
[0119] 二乙二醇单甲醚 1% ;
[0120] 乙二醇乙醚醋酸酯 2.5% ;
[0121] 甲醚化苯代氨基树脂 2% ;
[0122] 羟烃基改性有机硅类 1.6% ;
[0123] 焦磷酸钠 0.4% ;
[0124] 有机膨润土 1.5% ;
[0125] 蜡浆 1.8% ;
[0126] 对甲苯磺酸 1.2% ;
[0127] 纳米二氧化钛颗粒 2.8% ;
[0128] 氨基硅氧烷 L2%。
[0129] 其中, 短油度醇酸树脂是由 1, 2-丙二醇、 邻苯二甲酸酐和棕榈油缩合聚合而 成, 其中, 棕榈油的质量百分比为 36%, 邻苯二甲酸酐的质量百分比为 36%。 封 闭型聚异氰酸酯是由聚异氰酸酯与 2-甲基咪唑反应生成的聚合物, 其中, 聚异氰 酸酯由甲苯二异氰酸酯和 1, 6-己二异氰酸酯按照摩尔比例 1 : 3加成而来。 蜡浆 的中值粒径为 1μηι。 其中的熟桐油为熟纯桐油, 其榨取方法是将桐子炒熟榨油, 不人为添加任何化学成分。 纳米二氧化钛颗粒的平均粒径为 150nm。
[0130] 其制备方法包括以下步骤:
[0131] 第一步, 将短油度醇酸树脂、 甲醚化苯代氨基树脂、 二乙二醇单甲醚、 乙二醇 乙醚醋酸酯和焦磷酸钠加入分散缸中, 边搅拌边加入纳米二氧化钛, 高速分散 后, 再加入封闭型聚异氰酸酯、 熟桐油、 羟烃基改性有机硅类、 有机膨润土、 蜡浆、 对甲苯磺酸和氨基硅氧烷继续分散, 直至分散均匀;
[0132] 第二步, 用三辊机压 7遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁美术油墨。
[0133] 实施例 5 [0134] 本实施例提供的一种晶纹印铁美术油墨, 按质量百分比计, 包括以下组分:
[0135] 短油度醇酸树脂 61% ;
[0136] 封闭型聚异氰酸酯 3% ;
[0137] 熟桐油 16.2% ;
[0138] 丙二醇甲醚 1.8% ;
[0139] 甲醚化苯代氨基树脂 3% ;
[0140] 丁醚化苯代氨基树脂 3.2% ;
[0141] 羟烃基改性有机硅类 0.4% ;
[0142] 聚醚改性有机硅类 0.4% ;
0143] 油酸 0.9%;
0144] 聚氨酯 0.5%;
0145] 聚醚 0.6%;
0146] 蜡浆 1%;
0147] 蜡粉 1.9%;
0148] 对甲苯磺酸 1%;
0149] 十二烷基苯磺酸 1.1%;
0150] 纳米三氧化二锑颗粒 1.7% ;
0151] 纳米碳酸钙颗粒 2%;
0152] 氨基硅氧烷 0.1%;
[0153] 丙基三甲氧基硅氧烷 0.2%。
[0154] 其中, 短油度醇酸树脂是由三羟甲基乙烷、 邻苯二甲酸酐和棉籽油缩合聚合而 成, 其中, 棉籽油的质量百分比为 32%, 邻苯二甲酸酐的质量百分比为 33%。 封 闭型聚异氰酸酯是由聚异氰酸酯与 2-甲基咪唑反应生成的聚合物, 其中, 聚异氰 酸酯由甲苯二异氰酸酯、 二苯基甲烷二异氰酸酯和 1, 6-己二异氰酸酯按照摩尔 比例 1 : 2: 1加成而来。 蜡粉的中值粒径为 3μηι。 蜡浆的中值粒径为 2μηι。 其中 的熟桐油为熟纯桐油, 其榨取方法是将桐子炒熟榨油, 不人为添加任何化学成 分。 纳米三氧化二锑颗粒的平均粒径为 250nm, 纳米碳酸钙颗粒的平均粒径为 12 0nm。 [0155] 其制备方法包括以下步骤:
[0156] 第一步, 将短油度醇酸树脂、 甲醚化苯代氨基树脂、 丁醚化苯代氨基树脂、 丙 二醇甲醚和油酸加入分散缸中, 边搅拌边加入纳米三氧化二锑颗粒、 纳米碳酸 钙颗粒, 高速分散后, 再加入封闭型聚异氰酸酯、 熟桐油、 羟烃基改性有机硅 类、 聚醚改性有机硅类、 聚氨酯、 聚醚、 蜡浆、 蜡粉、 对甲苯磺酸、 十二烷基 苯磺酸、 氨基硅氧烷和丙基三甲氧基硅氧烷继续分散, 直至分散均匀;
[0157] 第二步, 用三辊机压 6遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁美术油墨。
[0158] 采用平板胶印机将实施例 1至 5的晶纹印铁美术油墨转印、 压轧到马口铁的部分 表面上, 具体地: 采用胶印的方式将实施例 1至 5的晶纹印铁美术油墨移转至马 口铁的部分表面上, 然后在 80°C下干燥 5min, 以使溶剂渐渐挥发掉, 并形成晶 纹, 然后分别在 160°C、 155°C、 150°C、 155°C和 160°C的条件下分别烘烤上述已 呈现在马口铁的部分表面上的涂膜 10分钟、 11分钟、 11分钟、 10分钟、 11分钟 , 结果表明, 涂膜层均已固化完全, 且形成了明显的、 有规则的、 均匀的晶纹 , 而且膜层未出现泛黄的现象。
[0159] 按油墨国家标准规定的方法对形成的涂膜层进行检测, 所得结果见表 1。
[0160] 表 1 : 实施例 1至 5和市售的晶纹印铁美术油墨在马口铁上形成的晶纹涂膜的测 试结果。
[]
[表 1]
Figure imgf000014_0001
由表 1可知, 与市售晶纹印铁涂料相比, 本发明的晶纹印铁美术油墨不仅晶纹 效果好, 不泛黄、 光泽度高, 附着力高, 柔韧性好, 冲击强度也高。 而且, 本 发明固含量高, 固化速度块, 溶剂少, 更环保, 而且能够采用胶印的方式得到 更薄的涂层。
[0162] 对涂有上述涂膜层的马口铁进行冲压和拉伸, 再观察该晶纹涂层, 结果发现: 采用实施例 1至 5的晶纹印铁美术油墨形成的涂膜层均未发现裂纹等缺陷, 而采 用市售的晶纹印铁美术油墨形成的涂膜层则发现了明显的裂纹。 这表明采用本 发明的晶纹印铁美术油墨形成的涂膜层具有更好的后加工性能。
[0163] 总之, 本发明可以满足马口铁局部印刷晶纹美术油墨的要求, 提供独特的晶纹 视觉和触觉感受, 提高产品档次及附加值, 大幅度降低产品成本; 而且环保无 毒, 不含钴、 锰、 双酚 A等限制使用的物质。
[0164] 本发明中的各组分均可以通过商业渠道获得, 无需单独合成或进行提纯, 因此 , 本发明的各成分容易获得, 从而可以降低制造成本。
[0165] 根据上述说明书的揭示和教导, 本发明所属领域的技术人员还可以对上述实施 方式进行变更和修改。 因此, 本发明并不局限于上面揭示和描述的具体实施方 式, 对本发明的一些修改和变更也应当落入本发明的权利要求的保护范围内。 此外, 尽管本说明书中使用了一些特定的术语, 但这些术语只是为了方便说明 , 并不对本发明构成任何限制。

Claims

权利要求书
[权利要求 1]
80%;
15%;
熟桐油
溶剂
苯代氨基树脂 H IO^;
流平助剂 0.05<¾〜2%;
分散剂 0.3%^ 1%;
流变助剂
增滑助剂 0.05%^5%;
封闭型酸催化剂 0.05<¾〜3%;
填料 0.1%^5%;
附着力促进剂
[权利要求 2] 根据权利要求 1所述的晶纹印铁美术油墨, 其特征在于, 按质量百分 比计, 包括以下组分:
短油度醇酸树脂 60%〜70% ;
3<¾〜12%;
熟桐油 7%〜15%
溶剂 2<¾〜4%;
苯代氨基树脂
流平助剂 0.2%^ 1.5%;
分散剂 0.5%^0.8%;
流变助剂 1.5%~2.5%;
增滑助剂 0.5%^3%;
封闭型酸催化剂 0.2%^2%;
填料 0.5%^3%; 附着力促进剂 0.5<¾〜1.5<¾。
根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于: 所述短油 度醇酸树脂是由多元醇、 邻苯二甲酸酐和脂肪酸缩合聚合而成, 其中 脂肪酸的质量百分比小于 40%。
根据权利要求 3所述的晶纹印铁美术油墨, 其特征在于: 所述多元醇 为甘油、 三羟甲基丙烷、 三羟甲基乙烷、 季戊四醇、 乙二醇、 1, 2- 丙二醇和 1, 3-丙二醇中的至少一种; 所述脂肪酸为亚麻仁油、 豆油 、 棉籽油、 蓖麻油、 脱水蓖麻油、 椰子油、 油酸、 亚油酸、 棕榈油、 花生油和大豆油中的至少一种。
根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于: 所述封闭 型聚异氰酸酯是由聚异氰酸酯与封闭剂反应生成的聚合物, 所述封闭 剂为乙二醇单丁醚、 己内酰胺、 咪唑和 2-甲基咪唑中的至少一种, 所 述聚异氰酸酯由甲苯二异氰酸酯、 二苯基甲烷二异氰酸酯和 1, 6-己 二异氰酸酯中的至少一种加成而来。
根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于: 所述溶剂 为含苯溶剂、 酯类溶剂、 醚类溶剂和醇类溶剂中的至少一种, 所述含 苯溶剂为甲苯、 二甲苯和苯乙酮中的至少一种; 所述酯类溶剂为醋酸 乙酯、 醋酸丁酯和乙二醇乙醚醋酸酯中的至少一种, 所述醚类溶剂为 乙醚、 二乙二醇单甲醚、 丙二醇甲醚、 乙二醇单丁醚和二丙二醇二甲 醚中的至少一种; 所述醇类溶剂为乙醇、 乙二醇、 甲醇、 正丙醇、 异 丙醇和正丁醇中的至少一种。
根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于: 所述苯代 氨基树脂为甲醚化苯代氨基树脂和丁醚化苯代氨基树脂中的至少一种 ; 所述流平助剂为丙烯酸酯类、 聚醚改性有机硅类和羟烃基改性有机 硅类中的至少一种; 所述流变助剂为聚氨酯、 聚醚、 气相二氧化硅和 有机膨润土中的至少一种; 所述增滑助剂为蜡浆和蜡粉中的至少一种
[权利要求 8] 根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于: 所述填料 为纳米三氧化二铝颗粒、 纳米三氧化二锑颗粒、 纳米碳酸钙颗粒、 纳 米氧化镁颗粒、 纳米二氧化硅颗粒和纳米二氧化钛颗粒中的至少一种 ; 所述分散剂为水玻璃、 三聚磷酸钠、 焦磷酸钠、 油酸和聚乙二醇中 的至少一种。
[权利要求 9] 根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于: 所述封闭 型酸催化剂为对甲苯磺酸和十二烷基苯磺酸中的至少一种; 所述附着 力促进剂为氨基硅氧烷、 烷基硅氧烷和丙基三甲氧基硅氧烷中的至少 一种。
[权利要求 10] 根据权利要求 1或 2所述的晶纹印铁美术油墨, 其特征在于, 其制备方 法包括以下步骤:
第一步, 将短油度醇酸树脂、 苯代氨基树脂、 溶剂和分散剂加入分散 缸中, 边搅拌边加入填料, 高速分散后, 再加入封闭型聚异氰酸酯、 熟桐油、 流平助剂、 流变助剂、 增滑助剂、 封闭型酸催化剂和附着力 促进剂继续分散, 直至分散均匀;
第二步, 用三辊机压 2-10遍, 使其细度达到 ΙΟμηι以下即得晶纹印铁 美术油墨。
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CN104497831A (zh) * 2014-12-31 2015-04-08 东莞市新威环保涂料有限公司 一种晶纹涂料
CN105331188A (zh) * 2015-12-10 2016-02-17 东莞市新威环保科技有限公司 一种晶纹印铁美术油墨

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