CN110982333A - Aluminum-plated film gravure printing ink and preparation method thereof - Google Patents
Aluminum-plated film gravure printing ink and preparation method thereof Download PDFInfo
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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Abstract
The invention relates to an aluminized film gravure printing ink and a preparation method thereof, and the method can prepare the environment-friendly printing ink which has high adhesive force, high gloss, good composite performance and low cost, is suitable for a post-printing composite process and has better composite fastness with a special film. The gravure printing ink for the aluminized film comprises the following components in parts by weight: 30-40 parts of polyester polyurethane resin, 5-12 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 3-7 parts of talcum powder, 0.5-2 parts of flatting agent, 8-28 parts of pigment, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 5-12 parts of n-propyl acetate, 3-8 parts of absolute ethyl alcohol, 8-12 parts of ethyl acetate and 8-15 parts of isopropanol; the aluminum-plated film gravure printing ink comprises white ink and color ink.
Description
Technical Field
The invention belongs to the technical field of functional polymer materials, relates to environment-friendly printing ink, and particularly relates to gravure printing ink which is benzene-free and ketone-free and is suitable for an aluminized film, which solves the problems of poor adhesion fastness, large residual smell and the like of the printing ink on an aluminized substrate. The gravure printing ink is specially used for surface printing of the aluminizer, has low smell and excellent performance, can be used for packaging of candy products, and can also be used for composite packaging of foods such as biscuits, cakes and the like.
Background
In the 21 st century, along with the improvement of living standard of people, various bright and dazzling packaged products are put on food shelves, and most of the products are packaged by aluminum-plated films. As is well known, an aluminum-plated film has a bright metallic luster, excellent barrier properties, and good moisture resistance, heat resistance, and puncture resistance, and can replace aluminum foil to some extent, and thus is widely used in the fields of packaging, labeling, and the like. The aluminum-plated film is widely varied, and currently, Polyester (PET) aluminum-plated film, Polyethylene (PE) aluminum-plated film, biaxially oriented polypropylene (BOPP) aluminum-plated film, and unstretched polypropylene (CPP) propylene aluminum-plated film are commonly used.
The aluminized film is a non-absorbent printing stock, and the printing ink variety adopted by the aluminized film is matched with the characteristics of the aluminized film so as to realize normal printing and ensure the printing quality. At present, the enterprises at home and abroad mainly adopt a modified acrylic acid process route to prepare the PET aluminized film plastic surface printing ink, but the adhesion is not ideal, so that the problems can be solved only by firstly printing a base coat, then printing a transparent ink and then coating a gloss oil, and the process is complex and has low production benefit. With the development of printing, plastic packaging and decoration culture, high-grade color plastic printing ink using polyamide resin as ink binder is developed rapidly, and is mainly used for four-plate and relief printing ink. The printing ink prepared by polyamide resin has the advantages of good gloss and adhesive property, excellent alcohol dilutability, low gelling property, quick drying, low odor and the like. In order to meet the requirements of the plastic printing ink on the aspects of adhesive force, weather resistance, low-temperature stability and the like, the benzene-soluble resin needs to be completely dissolved in toluene and xylene, and the alcohol-soluble resin needs to be completely dissolved in alcohol solvents such as isopropanol and ethanol. For example, some ink enterprises adopt a benzene-soluble modified polyamide process route, but the route pollutes the environment, has large solvent residues, cannot eliminate the taste of the resin of the polyamide, damages the human health and does not meet the requirements of the national food safety related standards. According to the national light industry standard QB/T2024-2. Realize VOCs rowThe goal tasks of reducing the discharge, cooperatively controlling the emission of greenhouse gases and promoting the continuous improvement of the quality of the ambient air are undoubtedly to indicate the development direction for the plastic printing ink industry and the food and drug packaging industry in China.
Disclosure of Invention
The ink solves the problem of the adhesion fastness of the existing ink on aluminum-plated base materials such as PET aluminum-plated films, PE aluminum-plated films, BOPP aluminum-plated films, CPP aluminum-plated films and the like, and solves the problems of large residual odor of solvents of the traditional polyamide type ink and the like. The invention aims to provide the aluminized film gravure printing ink and the preparation method thereof, and the environmentally-friendly printing ink which has high adhesion, high gloss, good composite performance and low cost can be prepared by the method, is suitable for a post-printing composite process and has good composite fastness with a special film.
Based on the above purpose, the invention adopts the technical scheme that:
the gravure printing ink for the aluminized film comprises the following components in parts by weight:
30-40 parts of polyester polyurethane resin, 5-12 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 3-7 parts of talcum powder, 0.5-2 parts of flatting agent, 8-28 parts of pigment, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 5-12 parts of n-propyl acetate, 3-8 parts of absolute ethyl alcohol, 8-12 parts of ethyl acetate and 8-15 parts of isopropanol.
Preferably, the pigment is one or more of titanium dioxide and organic pigment.
Preferably, the aluminized gravure ink comprises white ink and color ink.
Preferably, the pigment in the white ink is titanium dioxide; the pigment in the color ink is an organic pigment.
Specifically, the titanium dioxide is purchased from Dongdong Jia group company, Inc. of Shandong province or Guangzhou chemical import and export company, Inc.
Specifically, the organic pigment is purchased from clariant chemical (china) limited or guangzhou prefecture trade limited.
Preferably, the white ink comprises the following components in parts by weight:
30-38 parts of polyester polyurethane resin, 5-10 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 3-6 parts of talcum powder, 0.5-1.5 parts of flatting agent, 22-28 parts of titanium dioxide, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 5-10 parts of n-propyl acetate, 3-6 parts of absolute ethyl alcohol, 8-10 parts of ethyl acetate and 8-12 parts of isopropanol.
Preferably, the color ink comprises the following components in parts by weight:
33-40 parts of polyester polyurethane resin, 6-12 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 4-7 parts of talcum powder, 1-2 parts of flatting agent, 8-12 parts of organic pigment, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 7-12 parts of n-propyl acetate, 5-8 parts of absolute ethyl alcohol, 10-12 parts of ethyl acetate and 13-15 parts of isopropanol.
Preferably, the viscosity of the polyester polyurethane resin is 800-1400 mPas at 25 ℃ and the solid content is 29-31%. More preferably, the solvent composition in the polyester polyurethane resin is ethyl acetate: 3-isopropyl alcohol: 1. specifically, the polyester type polyurethane resin is preferably F-637, which is a colorless or pale yellow transparent liquid, produced by Sichuan chemical synthesis Co. The applicant screens an environment-friendly low-odor polyester type polyurethane resin in the research and development process to replace the prior polyamide type resin, and solves the problem of loss caused by incapability of eliminating the self taste of the resin after printing and drying.
The terpene resin is preferably poly α -pinene resin, the poly α -pinene resin has the average molecular weight of 650-1250, the softening point of 110-130 ℃, the acid value of 0.9-1.2mgKOH/g, the yellow color, the light color and the low smell, concretely, the terpene resin is preferably T-105 produced by new Jinan Bedy material company Limited, is a light yellow transparent brittle solid, has the light color and the low smell, can simultaneously improve the initial adhesion and the permanent adhesion of the pressure sensitive adhesive, has good heat resistance, the color deepening of 8 hours at 180 ℃ is less than 1, has good oxygen resistance and long storage life, can be dissolved by using an alcohol solvent, has good dissolving effect and has strong adhesion.
Preferably, the polyethylene wax is a polytetrafluoroethylene-modified wax (polyethylene-tetrafluoroethylene copolymer); the fineness of the polytetrafluoroethylene modified wax is 2-5 mu m, the melting point is above 130 ℃, and the fluorine content is 8-12%. Specifically, the polyethylene wax is preferably Ceridust 9610F of clariant chemical (china) ltd, which is a white ultra-fine powder having high smoothness and lubricity, and excellent anti-blocking, abrasion resistance, and scratch resistance.
Preferably, the leveling agent is an organosilicon leveling agent. More preferably, the leveling agent is a polyester-modified organosiloxane; the color of the polyester modified organic siloxane is less than or equal to 2, the non-volatile component is 20-30%, and the density is 0.90-0.95g/cm3The flash point is more than or equal to 25 ℃. Specifically, the leveling agent is preferably a BYK-370 leveling agent produced by BYK (BYK) of germany, which fixes on the ink surface by reacting its reactive group primary hydroxyl group with the binder, BYK-370 provides longer lasting surface properties such as improved slip, solvent resistance, weather resistance, blocking resistance and less dust deposition as compared to conventional non-reactive silicones, and furthermore BYK-370 also reduces surface tension and thus improves substrate wetting.
Preferably, the adhesion promoter is an alkyl functional phosphate ester adhesion promoter; the solid content of the alkyl functional phosphate ester adhesion promoter is 60-70%. Specifically, the adhesion promoter is preferably Lubrizol 2062 produced by Lubrizol Special chemical company, and is an amber liquid, and the Lubrizol 2062 adhesion promoter can improve the adhesion of solvent-based ink and water-based ink to most metal substrates (including cold rolled steel, galvanized steel and aluminum materials) by directly bonding with metal surfaces, can also improve the corrosion resistance and flexibility of the ink, and has good miscibility and storage stability. The solvent of Lubrizol 2062 is isobutanol, which is suitable for air-drying type thermoplastic spray paint and baking paint, and has the following good properties: (1) improve adhesion to metal substrates (including metal substrates after water immersion and condensation tests); (2) the flexibility of the printing ink is improved; (3) the corrosion resistance of the ink is improved.
Preferably, the antistatic agent is an anionic surfactant; the solid content of the antistatic agent is 40-60%, and the viscosity is 60-80cPs at 25 ℃. Specifically, the antistatic agent is preferably an AE-2 super-concentrated antistatic agent produced by chemical company of Kyoho Japan, which is a light brown yellow liquid, and AE-2 is a high-concentration, high-efficiency antistatic agent, which can eliminate phenomena such as offset, blur, spots, beard and the like caused by static electricity when a plastic film is rapidly printed, and the product does not have any adverse effect on the characteristics of the ink.
The polyester type polyurethane resin selected by the invention has the characteristics of no smell after drying, quick release and high adhesive force; the terpene resin has good glossiness and high film-forming hardness; the polyethylene wax can prevent the printing ink from being anti-sticky during printing and improve the surface scratch resistance; the fumed silica plays roles in rheological control and sedimentation prevention in the invention; the talcum powder is used as a high-quality filler to enhance the tensile strength of the ink; the polyester modified organic siloxane leveling agent can enhance the wettability of the pigment and improve the stability of the printing ink; the alkyl functional phosphate adhesion promoter promotes the adhesion fastness of the printing ink on the metal substrate, and further promotes the fastness of the aluminized substrate. The environment-friendly printing ink with high adhesion, high gloss, good composite performance and low cost can be prepared by the synergistic effect of the selected components.
The invention also provides a preparation method of the gravure printing ink for the aluminized film, which comprises the following steps:
mixing polyester polyurethane resin, terpene resin, polyethylene wax, fumed silica and a flatting agent, and stirring;
adding n-propyl acetate, anhydrous ethanol, ethyl acetate, isopropanol, pigment and pulvis Talci, stirring, and grinding;
adding an adhesion promoter and an antistatic agent, and stirring;
adjusting viscosity with ethyl acetate and/or isopropanol, and filtering to obtain gravure printing ink with aluminum coating film.
Preferably, the polyester polyurethane resin, the terpene resin, the polyethylene wax, the fumed silica and the leveling agent are mixed and stirred at the stirring speed of 600-1000 rpm.
More preferably, the polyester polyurethane resin, the terpene resin, the polyethylene wax, the fumed silica and the leveling agent are put into a dispersion cylinder to be mixed, and stirred at the stirring speed of 600-1000rpm for 20-90 min.
Preferably, adding n-propyl acetate, absolute ethyl alcohol, ethyl acetate, isopropanol, pigment and talcum powder, and stirring for 20-90min at the stirring speed of 600-; grinding until the fineness is less than or equal to 15 mu m.
More preferably, n-propyl acetate, absolute ethyl alcohol, ethyl acetate, isopropyl alcohol, pigment and talc are slowly added and stirred for 20-90min at a stirring speed of 600-.
More preferably, the milling temperature is controlled to be 35-50 ℃.
Further preferably, the grinding is carried out by a sand mill until the fineness is less than or equal to 15 mu m, and the grinding temperature is controlled to be 35-50 ℃ by cooling water.
Preferably, the adhesion promoter and the antistatic agent are added and stirred at the stirring speed of 600-1000rpm for 20-90 min.
Preferably, the viscosity is adjusted to 100-200mm using ethyl acetate and/or isopropanol2S; filtering with 200 meshes to obtain the aluminized gravure printing ink.
Specifically, the preparation method of the gravure printing ink for the aluminized film comprises the following steps:
(1) putting polyester polyurethane resin, terpene resin, polyethylene wax, fumed silica and a flatting agent into a dispersion cylinder for mixing, and stirring for 20-90min at the stirring speed of 600-1000 rpm;
(2) slowly adding n-propyl acetate, anhydrous ethanol, ethyl acetate, isopropanol, pigment and talcum powder, stirring at the stirring speed of 600-1000rpm for 20-90min, grinding with a sand mill until the fineness is less than or equal to 15 μm, and controlling the grinding temperature to 35-50 ℃ with cooling water;
(3) adding an adhesion promoter and an antistatic agent, and stirring for 20-90min at a stirring speed of 600-1000 rpm;
(4) adjusting the viscosity to 100-200mm using ethyl acetate and/or isopropanol2S; filtering with 200 mesh gauze to obtain aluminized film concavePrinting ink.
More specifically, the preparation method of the gravure printing ink of the aluminized film comprises the following steps:
(1) putting polyester polyurethane resin, terpene resin, polyethylene wax, fumed silica and a flatting agent into a dispersion cylinder according to the weight parts, mixing, starting a stirrer, and stirring for 40-60min at the stirring speed of 800 rpm;
(2) slowly adding n-propyl acetate, anhydrous ethanol, ethyl acetate, isopropanol, pigment and pulvis Talci, stirring at 800rpm for 40-60min, grinding with sand mill until fineness is less than or equal to 15 μm, and controlling grinding temperature with cooling water to 35-50 deg.C;
(3) adding adhesion promoter and antistatic agent, and stirring at 800rpm for 20-30 min;
(4) adjusting the viscosity to 100-200mm using ethyl acetate and/or isopropanol2S; filtering with 200 mesh gauze to obtain the aluminized gravure printing ink.
The invention provides an application of the aluminized gravure printing ink, which can be applied to aluminized package printing.
The invention also provides an application method of the gravure printing ink for the aluminized film, which comprises the following steps:
the aluminum-plated film gravure printing ink is printed on an aluminum-plated film and then compounded with special films such as a wire drawing film and the like.
The surface wire drawing treatment is a surface treatment means which forms lines on the surface of a workpiece through a grinding product and has a decorative effect, and the surface wire drawing treatment can reflect the texture of a metal material, so the surface wire drawing treatment is more and more popular among users and is more and more widely applied. Because of special surface treatment, the film can not be directly printed on special films such as a wire drawing film, a pearlized film, a pearl film and the like, and the special films such as the wire drawing film and the like are required to be printed on an aluminized film and then subjected to post-process compounding. However, the traditional products in the current market have the problems of poor adhesion fastness when the aluminizer is printed, insufficient strength and peeling caused by vacuumizing of the packaged food after compounding, and the like. The aluminum-plated film gravure printing ink is suitable for the compounding process after printing and has better compounding fastness with a special film.
The invention also provides a packaging film which comprises the aluminizer, the aluminizer gravure printing ink printed on the aluminizer and a film compounded on the aluminizer gravure printing ink.
The beneficial technical effects of the invention are as follows:
(1) the gravure printing ink for the aluminized film does not contain benzene and ketone, is environment-friendly, low in smell, strong in adhesive force, good in film glossiness, good in shallow net transfer, free of precipitation, good in scratch resistance and high in composite strength. The environment-friendly polyester type polyurethane resin is environment-friendly and nontoxic, no odor residue is generated after drying, the solvent is an alcohol solvent, no benzene or ketone solvent is contained, the chemical property is stable, and the environment-friendly polyester type polyurethane resin does not generate chemical reaction with various components in food to generate substances harmful to human bodies.
(2) Experiments show that under the action of the alkyl functional phosphate adhesion promoter, the adhesion and mechanical properties of the ink on PET aluminized substrates, OPP aluminized films, CPP aluminized films, PE aluminized films and other aluminized substrates are improved, the problems of composite separation layers, bubbles and the like of special films in a composite process after the ink is directly printed on the aluminized films are solved, and the formula design and selection of high-quality terpene resin improve the luster and brightness of the ink after printing and film forming and improve the transferability of the ink in a shallow net.
(3) The diluent adopts alcohol and ester, meets the environmental protection requirement and the use requirement, has no residual smell of resin in the traditional process after printing and drying, meets the sanitary standard packaging requirement, adopts alkyl functional phosphate adhesion promoter and terpene resin to solve the adhesion fastness to the aluminized base material, and improves the composite strength and the printing adaptability of the polyester ink.
Detailed Description
Example 1
The gravure printing ink for the aluminized film comprises the following components in parts by weight:
30 parts of polyester polyurethane resin, 10 parts of terpene resin, 0.2 part of polyethylene wax, 0.6 part of fumed silica, 6 parts of talcum powder, 0.7 part of flatting agent, 22 parts of titanium dioxide, 0.5 part of adhesion promoter, 1 part of antistatic agent, 9 parts of n-propyl acetate, 5 parts of absolute ethyl alcohol, 9 parts of ethyl acetate and 9 parts of isopropanol.
The polyester polyurethane resin is F-637 produced by crude chemical synthesis Limited company, the viscosity is 800-1400mPa & s at 25 ℃, the solid content is 29-31 percent, and the terpene resin is colorless or light yellow transparent liquid, the terpene resin is T-105 poly α -pinene resin produced by new Material of Jinan Bedy, the average molecular weight is 650-1250, the softening point is 120 ℃, the acid value is 1.0 mgKOH/g, and the terpene resin is light yellow transparent brittle solid, the polyethylene wax is Ceridust 9610F produced by Kaire chemical engineering (China), the fineness is 3 mu m, the melting point is above 130 ℃, the fluorine content is 10 percent, the polyethylene wax is white ultrafine powder, the main component is polytetrafluoroethylene modified wax (polyethylene-tetrafluoroethylene copolymer), the flatting agent is BYK-370 produced by Germany Bike (BYK), the color is less than or equal to 2, the part is 25 percent, and the density is 0.93g/cm3The flash point is more than or equal to 25 ℃, and the main component is polyester modified organic siloxane. The adhesion promoter is Lubrizol 2062 alkyl functional phosphate ester adhesion promoter of Luborun special chemical company, the solid content is 63 percent, and the adhesion promoter is amber liquid. The antistatic agent is an AE-2 super-concentrated antistatic agent of chemical company of Kyoho Japan, the color is less than or equal to 13, the solid content is 50 percent, the viscosity is 70cPs at 25 ℃, and the antistatic agent is light brown yellow liquid. The titanium dioxide is 2377 titanium dioxide of Shandong Dongjia group Co.
A preparation method of gravure printing ink for an aluminum-plated film comprises the following steps:
(1) weighing the components according to the formula, putting the polyester polyurethane resin, the terpene resin, the polyethylene wax, the fumed silica and the flatting agent into a dispersion cylinder for mixing according to the weight parts, starting a stirrer for stirring and pre-dispersing, firstly stirring for 10min at the stirring speed of 600rpm, and then stirring for 30min at the stirring speed of 1000 rpm;
(2) slowly adding n-propyl acetate, absolute ethyl alcohol, ethyl acetate, isopropanol, titanium dioxide and talcum powder, stirring for 50min at the stirring speed of 800rpm, connecting a dispersing cylinder of a pre-dispersed base material container with a feeding pump of a sand mill, clamping an electrostatic clamp on the sand mill with an electrostatic contact sheet of a discharging cylinder, controlling the feeding flow rate to be 500kg/h after a main machine of the sand mill normally operates, grinding until the fineness is less than or equal to 15 mu m, controlling the grinding temperature to be 35-50 ℃ by using cooling water, grinding the ground base material, and performing the next procedure after the fineness is qualified;
(3) confirming whether the materials are consistent with the materials on the production task list, accurately feeding the materials according to the process on the production task list, tracking and recording the feeding process by a monitoring person, adding an adhesion promoter and an antistatic agent after the accurate number of the inspection after weighing, connecting a dispersing barrel before dispersion with an electrostatic clamp to prevent the generation of static electricity, dispersing for 25min at the stirring speed of 800rpm, and strictly operating the dispersing time according to the requirements on the production task list;
(4) after being dispersed evenly according to the process requirements, the mixture is checked and examined to use ethyl acetate and isopropanol to adjust the viscosity to 100-200mm2And/s, stopping dispersing until the printing ink is qualified after the printing ink is qualified, covering the printing ink, conveying the printing ink to an area to be packaged, filtering the printing ink by using a 200-mesh gauze to obtain the aluminized gravure printing ink, and packaging the printing ink into a finished product.
Example 2
The gravure printing ink for the aluminized film comprises the following components in parts by weight:
33 parts of polyester polyurethane resin, 7 parts of terpene resin, 0.2 part of polyethylene wax, 0.6 part of fumed silica, 4 parts of talcum powder, 1.2 parts of flatting agent, 22 parts of titanium dioxide, 1 part of adhesion promoter, 1 part of antistatic agent, 8 parts of n-propyl acetate, 6 parts of absolute ethyl alcohol, 9 parts of ethyl acetate and 10 parts of isopropanol.
The components and preparation method of the aluminized gravure ink of the present example are the same as those of example 1.
Example 3
The gravure printing ink for the aluminized film comprises the following components in parts by weight:
33 parts of polyester polyurethane resin, 10 parts of terpene resin, 0.2 part of polyethylene wax, 0.6 part of fumed silica, 6 parts of talcum powder, 1.2 parts of flatting agent, 10 parts of organic pigment, 0.5 part of adhesion promoter, 1 part of antistatic agent, 9 parts of n-propyl acetate, 6 parts of absolute ethyl alcohol, 11.5 parts of ethyl acetate and 14 parts of isopropanol.
The organic pigment in the gravure ink for aluminizing film of this example was L5B01 P.R.57:1 pigment Red manufactured by Craine chemical (China) Co., Ltd., and the other components were the same as in example 1.
A preparation method of gravure printing ink for an aluminum-plated film comprises the following steps:
(1) weighing the components according to the formula, putting the polyester polyurethane resin, the terpene resin, the polyethylene wax, the fumed silica and the flatting agent into a dispersion cylinder for mixing according to the weight parts, starting a stirrer for stirring and pre-dispersing, firstly stirring for 10min at the stirring speed of 600rpm, and then stirring for 30min at the stirring speed of 1000 rpm;
(2) slowly adding n-propyl acetate, absolute ethyl alcohol, ethyl acetate, isopropanol, organic pigment and talcum powder, stirring for 50min at the stirring speed of 800rpm, connecting a dispersing cylinder of a pre-dispersed base material container with a feeding pump of a sand mill, clamping an electrostatic clamp on the sand mill with an electrostatic contact sheet of a discharging cylinder, controlling the feeding flow rate to be 300kg/h after a main machine of the sand mill normally operates, grinding until the fineness is less than or equal to 15 mu m, controlling the grinding temperature to be 35-50 ℃ by using cooling water, grinding the ground base material, and performing the next procedure after the fineness is detected to be qualified;
(3) confirming whether the materials are consistent with the materials on the production task list, accurately feeding the materials according to the process on the production task list, tracking and recording the feeding process by a monitoring person, adding an adhesion promoter and an antistatic agent after the accurate number of the inspection after weighing, connecting a dispersing barrel before dispersion with an electrostatic clamp to prevent the generation of static electricity, dispersing for 25min at the stirring speed of 800rpm, and strictly operating the dispersing time according to the requirements on the production task list;
(4) after being dispersed evenly according to the process requirements, the mixture is checked and examined to use ethyl acetate and isopropanol to adjust the viscosity to 100-200mm2And/s, stopping dispersing until the printing ink is qualified after the printing ink is qualified, covering the printing ink, conveying the printing ink to an area to be packaged, filtering the printing ink by using a 200-mesh gauze to obtain the aluminized gravure printing ink, and packaging the printing ink into a finished product.
Example 4
The gravure printing ink for the aluminized film comprises the following components in parts by weight:
34 parts of polyester polyurethane resin, 7 parts of terpene resin, 0.2 part of polyethylene wax, 0.6 part of fumed silica, 6 parts of talcum powder, 1.2 parts of flatting agent, 10 parts of organic pigment, 1 part of adhesion promoter, 1 part of antistatic agent, 12 parts of n-propyl acetate, 7 parts of absolute ethyl alcohol, 10 parts of ethyl acetate and 13 parts of isopropanol.
The components and preparation method of the aluminized gravure ink of the embodiment are the same as those of the embodiment 3.
Example 5
The gravure printing ink for the aluminized film comprises the following components in parts by weight:
36 parts of polyester polyurethane resin, 8 parts of terpene resin, 0.2 part of polyethylene wax, 0.6 part of fumed silica, 6 parts of talcum powder, 1.2 parts of flatting agent, 10 parts of organic pigment, 1.5 parts of adhesion promoter, 1 part of antistatic agent, 7 parts of n-propyl acetate, 8 parts of absolute ethyl alcohol, 10.5 parts of ethyl acetate and 13 parts of isopropanol.
The components and preparation method of the aluminized gravure ink of the embodiment are the same as those of the embodiment 3.
Example 6
The gravure printing ink for the aluminized film comprises the following components in parts by weight:
38 parts of polyester polyurethane resin, 6 parts of terpene resin, 0.2 part of polyethylene wax, 0.6 part of fumed silica, 6 parts of talcum powder, 1.2 parts of flatting agent, 10 parts of organic pigment, 2 parts of adhesion promoter, 1 part of antistatic agent, 10 parts of n-propyl acetate, 5 parts of absolute ethyl alcohol, 10 parts of ethyl acetate and 13 parts of isopropanol.
The components and preparation method of the aluminized gravure ink of the embodiment are the same as those of the embodiment 3.
Examples 1-6 Components and parts by weight of the aluminizing gravure ink are shown in Table 1.
Table 1 examples 1-6 components and parts by weight of gravure inks for aluminizing films
| Components | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Polyester polyurethane resin | 30 | 33 | 33 | 34 | 36 | 38 |
| Terpene resin | 10 | 7 | 10 | 7 | 8 | 6 |
| Polyethylene wax | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Fumed silica | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Talcum powder | 6 | 4 | 6 | 6 | 6 | 6 |
| Leveling agent | 0.7 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Titanium dioxide/organic pigment | 22 | 22 | 10 | 10 | 10 | 10 |
| Adhesion promoter | 0.5 | 1 | 0.5 | 1 | 1.5 | 2 |
| Antistatic agent | 1 | 1 | 1 | 1 | 1 | 1 |
| N-propyl acetate | 9 | 8 | 9 | 12 | 7 | 10 |
| Anhydrous ethanol | 5 | 6 | 6 | 7 | 8 | 5 |
| Acetic acid ethyl ester | 9 | 9 | 11.5 | 10 | 10.5 | 10 |
| Isopropanol (I-propanol) | 9 | 10 | 14 | 13 | 13 | 13 |
Comparative example 1
The commercially available gravure printing ink comprises the following components in parts by weight:
40 parts of polyurethane acrylic resin, 15 parts of maleic resin, 6 parts of methyl isobutyl ketone, 21 parts of pigment, 15 parts of drier, 3 parts of flatting agent and 3 parts of defoaming agent.
The performance indexes of the aluminum-plated gravure ink prepared in examples 1 to 6 and the gravure ink of the comparative example, such as color, fineness, viscosity, adhesion, drying speed, and peel strength, were measured, and the measurement results are shown in table 2. Wherein, the color is detected according to GB/T14624.1-2009 offset printing ink color detection method; the fineness is detected according to GB T13217.3-2008 'liquid ink fineness inspection method'; the viscosity is detected according to a coating No. 4 cup viscometer method in GB/T13217.4-2008 & lt & gt viscosity detection method for liquid ink; the adhesion fastness is detected according to GB/T13217.7-2009 'inspection method for liquid ink adhesion fastness'; the coloring power is detected according to GB/T13217.6-2008 'liquid ink coloring power test method'; the initial drying is detected according to GB/T13217.5-2008 'test method for initial drying of liquid ink'; detecting the surface tension according to a surface tension detection method in annex A of QB/T2024-2012 composite ink for plastic films by gravure; the total solvent residue amount and the benzene solvent residue amount are detected according to QB/T2929-; the composite strength was measured according to QB/T5488-.
TABLE 2 Properties of gravure inks for aluminizing films
As can be seen from the comparison of the performances of the gravure printing ink of the aluminized film in the table 2, along with the change of the mixture ratio of the polyester polyurethane resin and the adhesion promoter, the viscosity, the adhesion fastness, the initial drying property and the composite strength of the ink are obviously changed, the addition amounts of the polyester polyurethane resin and the adhesion promoter are increased, the adhesion fastness and the composite strength of the ink on the aluminized film are better, and the safety performance is higher. Under the condition of the same weight parts, fineness and viscosity, compared with the gravure printing ink of the comparative example, the gravure printing ink of the aluminum-plated film has more excellent adhesion fastness, initial drying property and composite strength, and the total amount of the solvent residue is lower.
The above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the constructions, features and principles described in the claims of the present invention should be included in the scope of the present invention.
Claims (10)
1. The aluminum-plated film gravure printing ink is characterized by comprising the following components in parts by weight:
30-40 parts of polyester polyurethane resin, 5-12 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 3-7 parts of talcum powder, 0.5-2 parts of flatting agent, 8-28 parts of pigment, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 5-12 parts of n-propyl acetate, 3-8 parts of absolute ethyl alcohol, 8-12 parts of ethyl acetate and 8-15 parts of isopropanol.
2. The aluminized gravure ink of claim 1, wherein the pigment is one or more of titanium dioxide and an organic pigment.
3. The aluminized gravure ink according to claim 2, characterized in that it is a white ink comprising, in parts by weight:
30-38 parts of polyester polyurethane resin, 5-10 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 3-6 parts of talcum powder, 0.5-1.5 parts of flatting agent, 22-28 parts of pigment, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 5-10 parts of n-propyl acetate, 3-6 parts of absolute ethyl alcohol, 8-10 parts of ethyl acetate and 8-12 parts of isopropanol; the pigment is titanium dioxide.
4. The aluminized gravure ink according to claim 2, wherein the aluminized gravure ink is a color ink and comprises the following components in parts by weight:
33-40 parts of polyester polyurethane resin, 6-12 parts of terpene resin, 0.2-1 part of polyethylene wax, 0.2-0.8 part of fumed silica, 4-7 parts of talcum powder, 1-2 parts of flatting agent, 8-12 parts of pigment, 0.5-3 parts of adhesion promoter, 0.5-1.5 parts of antistatic agent, 7-12 parts of n-propyl acetate, 5-8 parts of absolute ethyl alcohol, 10-12 parts of ethyl acetate and 13-15 parts of isopropanol; the pigment is an organic pigment.
5. The aluminized gravure ink of any one of claims 1 to 4, wherein the polyethylene wax is a polytetrafluoroethylene-modified wax.
6. The aluminized gravure ink of any one of claims 1 to 4, wherein the leveling agent is a silicone leveling agent.
7. The aluminized gravure ink of any one of claims 1 to 4, wherein the adhesion promoter is an alkyl functional phosphate adhesion promoter.
8. The aluminized gravure ink of any one of claims 1 to 4, wherein the antistatic agent is an anionic surfactant.
9. Method for the preparation of an aluminizing intaglio printing ink according to any of the claims 1 to 8, characterized in that it comprises the following steps:
mixing polyester polyurethane resin, terpene resin, polyethylene wax, fumed silica and a flatting agent, and stirring;
adding n-propyl acetate, anhydrous ethanol, ethyl acetate, isopropanol, pigment and pulvis Talci, stirring, and grinding;
adding an adhesion promoter and an antistatic agent, and stirring;
adjusting viscosity with ethyl acetate and/or isopropanol, and filtering to obtain gravure printing ink with aluminum coating film.
10. The packaging film is characterized by comprising an aluminum-plated film, aluminum-plated film gravure printing ink printed on the aluminum-plated film and a film compounded on the aluminum-plated film gravure printing ink.
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| CN111334125A (en) * | 2020-04-22 | 2020-06-26 | 德化县新高圣包装彩印有限公司 | High-water-resistance environment-friendly water-based ink and preparation method thereof |
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| CN101457052A (en) * | 2008-09-25 | 2009-06-17 | 黄山市新力油墨化工厂 | Gravure transparent ink and preparation method thereof |
| CN110343420A (en) * | 2019-08-09 | 2019-10-18 | 广东恩美化工科技股份有限公司 | A kind of base gravure ink printing PET metallized film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101457052A (en) * | 2008-09-25 | 2009-06-17 | 黄山市新力油墨化工厂 | Gravure transparent ink and preparation method thereof |
| CN110343420A (en) * | 2019-08-09 | 2019-10-18 | 广东恩美化工科技股份有限公司 | A kind of base gravure ink printing PET metallized film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111334125A (en) * | 2020-04-22 | 2020-06-26 | 德化县新高圣包装彩印有限公司 | High-water-resistance environment-friendly water-based ink and preparation method thereof |
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