CN111378322A - High-wear-resistance water-based ink suitable for medicine packaging and preparation thereof - Google Patents
High-wear-resistance water-based ink suitable for medicine packaging and preparation thereof Download PDFInfo
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- CN111378322A CN111378322A CN201811627750.6A CN201811627750A CN111378322A CN 111378322 A CN111378322 A CN 111378322A CN 201811627750 A CN201811627750 A CN 201811627750A CN 111378322 A CN111378322 A CN 111378322A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000003814 drug Substances 0.000 title claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 30
- 239000002904 solvent Substances 0.000 claims abstract description 27
- 239000000049 pigment Substances 0.000 claims abstract description 21
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 20
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 20
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 36
- 238000003756 stirring Methods 0.000 claims description 33
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- 239000011265 semifinished product Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 8
- 238000009512 pharmaceutical packaging Methods 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 235000002864 food coloring agent Nutrition 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 1
- 229940079593 drug Drugs 0.000 abstract description 5
- 239000000976 ink Substances 0.000 description 71
- 239000012046 mixed solvent Substances 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 10
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 231100000916 relative toxicity Toxicity 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000011850 water-based material Substances 0.000 description 1
Classifications
-
- 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
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- 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
-
- 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
-
- 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
Landscapes
- 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
The invention relates to a high-wear-resistance water-based ink suitable for medicine packaging and a preparation method thereof, wherein the water-based ink comprises the following raw material components in parts by weight: 20-30 parts of water-based acrylic resin, 10-20 parts of polyurethane emulsion, 10-15 parts of calcium carbonate, 2-8 parts of edible pigment, 1-10 parts of an antiwear agent, 30-40 parts of a solvent, 1-3 parts of a defoaming agent and 1-3 parts of a leveling agent. Compared with the prior art, the aqueous ink prepared by the invention has the characteristics of safety compared with the common aqueous ink, excellent wear resistance and good adaptability, and no matter the aqueous ink is applied to the external package of printed medicines or the surface in direct contact with the medicines, the harm possibly brought by the traditional ink is basically avoided.
Description
Technical Field
The invention belongs to the technical field of water-based ink printing, and relates to a high-wear-resistance water-based ink suitable for medicine packaging and a preparation method thereof.
Background
The water-based ink is called water ink for short, and is mainly different from oil-based ink in solvents, wherein the water-based ink takes water as the solvent, the content of VOC (volatile organic compounds) is extremely low, and the environmental pollution is small; the oil-based ink uses an organic solvent as a solvent. In the flexible package industry, the oily ink mainly adopts volatile drying, the lower the boiling point of the solvent is, the more volatile the oily ink is and releases toxic gases to pollute the environment, residual toxic substances are also on the surface of the oily ink after printing is finished, and the solvent used by the aqueous ink is water bath, ethanol removed from a VOC list and the like, so that the emission of VOC can be greatly reduced.
Most of the inks currently used in China contain petroleum distillates, benzene and derivatives thereof or ketone organic solvents with high toxicity and corrosiveness and the like, and are harmful to the health of operators in the production process, and if the inks are used as drug packaging inks and are in direct contact with drugs, the migration and permeation of small molecules can affect the health of consumers. In order to prepare the ink capable of being directly contacted with the medicine, the components of the ink are required to be green and environment-friendly, the use standards of GB9685-2016 national food safety standards for food contact materials and additives for products are met, various surface active auxiliaries are added to adjust the viscosity, the glossiness and the surface tension of the ink, the ink is printed on paper or a PET film, and the ink layer has certain chemical resistance and tolerance through high-temperature treatment. In China, the packaging printing ink using food-grade pigment or dye as pigment is less used in industrial production, and the key point is to select food additive or raw material with high environmental protection performance and process the raw material into water-based ink with certain printability according to a certain method. Some inks use edible pigments as raw materials, and resistance is questioned; if the food color lake is used as a pigment to prepare the ink, the connection material can be crosslinked and resistant to water, which is an important detection aspect; the most widely used ink mainly used for printing food plastic packages at present is benzene-soluble chlorinated polypropylene ink, but toluene has high relative toxicity, the residual solvent value of printed matters is high, the thermal stability of resin is poor, chlorine is easily released to form hydrogen chloride in the production and storage processes, and the ink is weak in acidity and corrodes printing plates, rollers and other problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-wear-resistance water-based ink suitable for medicine packaging and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
one of the purposes of the invention is to provide a high wear-resistant aqueous ink suitable for medicine packaging, which comprises the following raw material components in parts by weight: 20-30 parts of water-based acrylic resin, 10-20 parts of polyurethane emulsion, 10-15 parts of calcium carbonate, 2-8 parts of edible pigment, 1-10 parts of an antiwear agent, 30-40 parts of a solvent, 1-3 parts of a defoaming agent and 1-3 parts of a leveling agent.
Furthermore, the waterborne acrylic resin consists of a copolymer of methyl methacrylate and styrene and a copolymer of n-butyl acrylate and methyl methacrylate, and the mass ratio of the components is (2-4) to (2-8). Wherein the preparation method of the copolymer of methyl methacrylate and styrene refers to patent CN104945556A and is produced in a reaction kettle; the n-butyl acrylate and the methyl methacrylate are the copolymer of the methyl 2 methacrylate and the n-butyl acrylate produced by Hubei Hengjing Ruitai chemical industry.
Further, the anti-wear agent is edible wax emulsion;
the defoaming agent is emulsified silicone oil;
the leveling agent is a mixed solution of isopropanol and propylene glycol.
Further, the edible pigment is natural plant carbon black or brilliant blue.
Further, the solvent is a mixed solvent of deionized water and edible ethanol.
The invention also aims to provide a preparation method of the high-wear-resistance water-based ink suitable for medicine packaging, which comprises the following steps:
(1) pre-dispersing ingredients:
adding the edible pigment into a solvent stirred at a high speed, adding the aqueous acrylic resin and the polyurethane emulsion after complete dissolution, and stirring uniformly to obtain a color ink semi-finished product;
(2) adjusting the water-based color ink:
and adding calcium carbonate into the color ink semi-finished product, uniformly dispersing, adding an antiwear agent, a defoaming agent and a flatting agent, and uniformly stirring and dispersing to obtain a target product.
Further, in the step (1), the stirring speed of the edible pigment added into the solvent is 1000-.
Further, in the step (2), the stirring speed is 800-.
The invention limits the proportion of resin, solvent and auxiliary agent, and can effectively control the viscosity and performance of the color ink. Especially, the auxiliary agent is extremely likely to cause the structure of each component of the produced color ink to be damaged and the color ink cannot be normally used; meanwhile, the invention stipulates the feeding sequence, and the disordered feeding sequence can cause that all the color ink components can not be fully mixed, thereby seriously influencing the quality.
Compared with the prior art, the invention firstly mixes the acrylic resin, the polyurethane emulsion, the pigment, the solvent and the wear-resistant agent in the auxiliary agent according to the proportion, tells the stirring to obtain the pre-dispersed color ink, and adds the defoaming agent and the flatting agent in the dispersed color ink to improve the performance of the color ink. The raw materials of the product are both water-based materials and food-grade materials, and toxic solvents are not used, so that the harm to the bodies of production workers and users is reduced. And the printing performance is stable, the printing image and text are clear, the color is full, the adhesive force is strong, and the printing effect is good. The invention is characterized in that the invention can be used for packaging food and medicine, has the characteristic of being safer than the common water-based ink, and has excellent wear-resisting property. The ink has good adaptability, and no matter the ink is applied to the external package of printed medicines or the surface of the medicines in direct contact, the possible harm caused by the traditional ink does not exist basically.
Detailed Description
The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following examples, unless otherwise specified, all materials or processes used are commercially available products or conventional process techniques, which are conventional in the art.
Example 1
A high-wear-resistance water-based ink suitable for medicine packaging comprises the following components in parts by weight: 25 parts of water-based acrylic resin, 18 parts of polyurethane emulsion, 10 parts of calcium carbonate, 5 parts of edible pigment, 3 parts of an antiwear agent, 35 parts of a solvent, 2 parts of a defoaming agent and 2 parts of a leveling agent. Wherein the solvent is a mixed solvent of deionized water and edible ethanol, and the mass ratio of the deionized water to the ethanol is 1/1.
The preparation process comprises the following steps:
(1): and (4) pre-dispersing ingredients. 5 parts of food-grade color chips are put into a mixed solvent of deionized water and edible ethanol which are stirred at a high speed, 43 parts of water-based acrylic resin and polyurethane emulsion (namely the water-based acrylic resin and the polyurethane emulsion) are gradually added after complete dissolution, and the mixture is uniformly stirred, so that a semi-finished product of the color ink is prepared.
(2): and (4) adjusting the aqueous color ink. And (3) putting the semi-finished product of the color ink into a dispersion machine, gradually adding 10 parts of calcium carbonate, gradually adding various auxiliaries after uniform dispersion, and stirring to obtain the uniformly dispersed water-based color ink.
The rotating speed of the toner powder in the step (1) is 1000-1200 r/min, the secondary stirring speed after the film-forming resin is added is 500-800 r/min, and the stirring time is 25-30 min.
The rotating speed in the step (2) is 800-1000 r/min. The temperature is 20-30 ℃, and the stirring time is 30 minutes.
The color ink produced in this example had good adaptability and abrasion resistance. Taking coated paper as an example, the aqueous color ink has no phenomena of falling and color mixing within the range of 0-180 ℃, has the wear resistance of more than 800 times under the pressure of 4 pounds, and has excellent wear resistance.
Example 2
A high-wear-resistance water-based ink suitable for medicine packaging comprises the following components in parts by weight: 30 parts of water-based acrylic resin, 20 parts of polyurethane emulsion, 15 parts of calcium carbonate, 5 parts of edible pigment, 2 parts of an antiwear agent, 25 parts of a solvent, 2 parts of a defoaming agent and 1 part of a leveling agent. Wherein the solvent is a mixed solvent of deionized water and edible ethanol, and the mass ratio of the deionized water to the ethanol is 4/1.
The preparation process comprises the following steps:
(1): and (4) pre-dispersing ingredients. 5 parts of food-grade color chips are put into a mixed solvent of high-speed stirring ionized water and edible ethanol, 50 parts of water-based acrylic resin and 50 parts of polyurethane emulsion are gradually added after complete dissolution, and the mixture is uniformly stirred to obtain a semi-finished product of the color ink.
(2): and (4) adjusting the aqueous color ink. And (3) putting the semi-finished product of the color ink into a dispersion machine, gradually adding 15 parts of calcium carbonate, gradually adding various auxiliaries after uniform dispersion, and stirring to obtain the uniformly dispersed water-based color ink.
The rotating speed of the toner powder in the step (1) is 1000-1200 r/min, the secondary stirring speed after the film-forming resin is added is 500-800 r/min, and the stirring time is 25-30 min.
In the step (2), the rotating speed is 800-.
Example 3
A high-wear-resistance water-based ink suitable for medicine packaging comprises the following components in parts by weight: 20 parts of water-based acrylic resin, 10 parts of polyurethane emulsion, 10 parts of calcium carbonate, 2 parts of edible pigment, 1 part of an antiwear agent, 30 parts of a solvent, 1 part of a defoaming agent and 1 part of a leveling agent. Wherein the solvent is a mixed solvent of deionized water and edible ethanol, and the mass ratio of the deionized water to the ethanol is 1/1.
The preparation process comprises the following steps:
(1): and (4) pre-dispersing ingredients. And (3) putting the edible pigment into a mixed solvent of deionized water and edible ethanol which are stirred at a high speed, gradually adding the water-based acrylic resin and the polyurethane emulsion after complete dissolution, and uniformly stirring to obtain the color ink semi-finished product.
(2): and (4) adjusting the aqueous color ink. And (3) putting the color ink semi-finished product into a dispersion machine, gradually adding calcium carbonate, gradually adding various auxiliaries (namely an antiwear agent, a defoaming agent and a flatting agent) after uniform dispersion, and stirring to obtain the uniformly dispersed water-based color ink.
In the step (1), the rotating speed of the toner is 1000 revolutions per minute when the toner is dissolved, the secondary stirring speed is 500 revolutions per minute after the film-forming resin is added, and the stirring time is 25 minutes.
The rotation speed in the step (2) is 800 revolutions per minute. The temperature was 20 ℃ and the stirring time was 30 minutes.
Example 4
A high-wear-resistance water-based ink suitable for medicine packaging comprises the following components in parts by weight: 30 parts of water-based acrylic resin, 20 parts of polyurethane emulsion, 15 parts of calcium carbonate, 8 parts of edible pigment, 10 parts of an antiwear agent, 40 parts of a solvent, 3 parts of a defoaming agent and 3 parts of a leveling agent. Wherein the solvent is a mixed solvent of deionized water and edible ethanol, and the mass ratio of the deionized water to the ethanol is 1/1.
The preparation process comprises the following steps:
(1): and (4) pre-dispersing ingredients. And (3) putting the edible pigment into a mixed solvent of deionized water and edible ethanol which are stirred at a high speed, gradually adding the water-based acrylic resin and the polyurethane emulsion after complete dissolution, and uniformly stirring to obtain the color ink semi-finished product.
(2): and (4) adjusting the aqueous color ink. And (3) putting the color ink semi-finished product into a dispersion machine, gradually adding calcium carbonate, gradually adding various auxiliaries (namely an antiwear agent, a defoaming agent and a flatting agent) after uniform dispersion, and stirring to obtain the uniformly dispersed water-based color ink.
In the step (1), the rotating speed of the toner is 1200 rpm when the toner is dissolved, the secondary stirring speed is 800 rpm after the film-forming resin is added, and the stirring time is 25 minutes.
The rotation speed in the step (2) is 1000 rpm. The temperature was 30 ℃ and the stirring time was 30 minutes.
Example 5
A high-wear-resistance water-based ink suitable for medicine packaging comprises the following components in parts by weight: 25 parts of water-based acrylic resin, 15 parts of polyurethane emulsion, 12 parts of calcium carbonate, 4 parts of edible pigment, 5 parts of an antiwear agent, 36 parts of a solvent, 2 parts of a defoaming agent and 2 parts of a leveling agent. Wherein the solvent is a mixed solvent of deionized water and edible ethanol, and the mass ratio of the deionized water to the ethanol is 1/1.
The preparation process comprises the following steps:
(1): and (4) pre-dispersing ingredients. And (3) putting the edible pigment into a mixed solvent of deionized water and edible ethanol which are stirred at a high speed, gradually adding the water-based acrylic resin and the polyurethane emulsion after complete dissolution, and uniformly stirring to obtain the color ink semi-finished product.
(2): and (4) adjusting the aqueous color ink. And (3) putting the color ink semi-finished product into a dispersion machine, gradually adding calcium carbonate, gradually adding various auxiliaries (namely an antiwear agent, a defoaming agent and a flatting agent) after uniform dispersion, and stirring to obtain the uniformly dispersed water-based color ink.
In the step (1), the rotating speed of the toner is 1100 revolutions per minute when the toner is dissolved, the secondary stirring speed is 600 revolutions per minute after the film-forming resin is added, and the stirring time is 27 minutes.
The rotation speed in the step (2) is 900 revolutions per minute. The temperature was 25 ℃ and the stirring time was 30 minutes.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (8)
1. The high-wear-resistance water-based ink suitable for medicine packaging is characterized by comprising the following raw material components in parts by weight: 20-30 parts of water-based acrylic resin, 10-20 parts of polyurethane emulsion, 10-15 parts of calcium carbonate, 2-8 parts of edible pigment, 1-10 parts of an antiwear agent, 30-40 parts of a solvent, 1-3 parts of a defoaming agent and 1-3 parts of a leveling agent.
2. The high abrasion resistant aqueous color ink for pharmaceutical packaging according to claim 1, wherein the aqueous acrylic resin is composed of a copolymer of methyl methacrylate and acrylic acid, and a copolymer of n-butyl acrylate and methacrylic acid in a mass ratio of (2-4) to (2-8).
3. The high abrasion resistant aqueous color ink suitable for pharmaceutical packaging according to claim 1 wherein the anti-wear agent is an edible wax emulsion;
the defoaming agent is emulsified silicone oil;
the leveling agent is a mixed solution of isopropanol and propylene glycol.
4. The high abrasion resistant aqueous color ink for pharmaceutical packaging according to claim 1, wherein the food color is natural plant carbon black or brilliant blue.
5. A high abrasion resistant aqueous color ink suitable for pharmaceutical packaging according to claim 1 wherein said solvent is a mixture of deionized water and edible ethanol.
6. A process for preparing a high abrasion resistant aqueous color ink suitable for pharmaceutical packaging according to any of claims 1 to 5 comprising the steps of:
(1) pre-dispersing ingredients:
adding the edible pigment into a solvent stirred at a high speed, adding the aqueous acrylic resin and the polyurethane emulsion after complete dissolution, and stirring uniformly to obtain a color ink semi-finished product;
(2) adjusting the water-based color ink:
and adding calcium carbonate into the color ink semi-finished product, uniformly dispersing, adding an antiwear agent, a defoaming agent and a flatting agent, and uniformly stirring and dispersing to obtain a target product.
7. The method for preparing a high abrasion resistant aqueous ink suitable for pharmaceutical packaging according to claim 6, wherein in the step (1), the stirring speed of the edible pigment added into the solvent is 1000-1200 rpm, and after the aqueous acrylic resin and the polyurethane emulsion are added, the stirring speed is 500-800 rpm, and the stirring time is 25-30 minutes.
8. The method for preparing a high abrasion resistant aqueous color ink suitable for pharmaceutical packaging according to claim 6, wherein in the step (2), the stirring rotation speed is 800-.
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| CN102382510A (en) * | 2011-09-15 | 2012-03-21 | 银川市富邦印刷包装有限公司 | Flexographic printing water-based ink for food packaging |
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| CN102382510A (en) * | 2011-09-15 | 2012-03-21 | 银川市富邦印刷包装有限公司 | Flexographic printing water-based ink for food packaging |
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Application publication date: 20200707 |