CN111592790A - Environment-friendly printing ink and preparation method thereof - Google Patents

Environment-friendly printing ink and preparation method thereof Download PDF

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Publication number
CN111592790A
CN111592790A CN202010618911.6A CN202010618911A CN111592790A CN 111592790 A CN111592790 A CN 111592790A CN 202010618911 A CN202010618911 A CN 202010618911A CN 111592790 A CN111592790 A CN 111592790A
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parts
environment
putting
acrylic resin
copolymer
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刘盼
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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
    • C09D11/106—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
    • C09D11/06—Printing inks based on fatty oils
    • 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
    • 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
    • C09D11/104—Polyesters
    • 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
    • C09D11/104—Polyesters
    • C09D11/105—Alkyd resins
    • 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

Abstract

The invention discloses an environment-friendly printing ink and a preparation method thereof, wherein the environment-friendly printing ink comprises the following raw materials in parts by weight: 60-80 parts of acrylic resin, 10-20 parts of alkyd resin, 30-40 parts of solvent, 20-40 parts of filler, 8-15 parts of linseed oil, 5-15 parts of soybean oil, 1-2 parts of diluent, 20-30 parts of coupling agent, 1-2 parts of defoaming agent, 5-10 parts of wear-resistant silicone oil, 2-4 parts of copolymer of vinyl chloride and vinyl acetate and 0.5-1 part of pH value stabilizer; therefore, the printing ink has no solvent volatilization, has small harm to human bodies, meets the requirement of green environmental protection, has higher drying speed, good adhesive force and strong heat resistance, and is suitable for printing various materials.

Description

Environment-friendly printing ink and preparation method thereof
Technical Field
The invention relates to the technical field of printing ink, in particular to environment-friendly ink and a preparation method thereof.
Background
Printing is a technique of transferring ink to the surface of a material such as paper, fabric, or leather by performing processes such as plate making, inking, and pressing on an original such as characters, pictures, or photographs, thereby mass-transferring the contents of the original. The printing ink is an important material for printing packaging material, and is used for printing patterns and characters on a printing stock, and comprises a main component and an auxiliary component which are uniformly mixed and repeatedly rolled to form a viscous colloidal fluid. Ink is a substance used to form graphic and text information during printing, and it directly determines the tone, color, and definition of an image on a printed matter, and thus plays a great role during printing.
In the prior art, a large amount of solvents with strong toxicity, such as benzene, ketone and the like, are used in preparation of the printing ink for printing, when the solvents are not properly treated in the production process of the printing ink, the solvents are easy to damage the bodies of production workers, when the printing ink is used for printing, the toxic solvents in the printing ink are volatilized to generate certain damage to the bodies of the printing workers, a certain amount of solvents are also remained on printed matters, and the printing is influenced.
Therefore, a new technology needs to be developed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide an environment-friendly ink and a preparation method thereof, which are free of solvent volatilization, less harmful to human bodies, meeting the requirements of environmental protection, having a fast drying speed, good adhesion, strong heat resistance, and suitable for printing of various materials.
In order to achieve the purpose, the invention adopts the following technical scheme:
the environment-friendly printing ink comprises the following raw materials in parts by weight:
60-80 parts of acrylic resin, 10-20 parts of alkyd resin, 30-40 parts of solvent, 20-40 parts of filler, 8-15 parts of linseed oil, 5-15 parts of soybean oil, 1-2 parts of diluent, 20-30 parts of coupling agent, 1-2 parts of defoaming agent, 5-10 parts of wear-resistant silicone oil, 2-4 parts of copolymer of vinyl chloride and vinyl acetate and 0.5-1 part of pH value stabilizer.
As a preferable scheme, the feed comprises the following raw materials in parts by weight: 70 parts of acrylic resin, 15 parts of alkyd resin, 35 parts of solvent, 30 parts of filler, 12 parts of linseed oil, 10 parts of soybean oil, 2 parts of thinner, 25 parts of coupling agent, 2 parts of defoaming agent, 8 parts of wear-resistant silicone oil, 3 parts of copolymer of vinyl chloride and vinyl acetate and 1 part of pH value stabilizer.
As a preferable scheme, the acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin.
Preferably, the coupling agent is a silane coupling agent.
Preferably, the defoaming agent is silane.
As a preferred scheme, the solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 5-8: 1 in the ratio of 1.
A preparation method of environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 8-15 microns;
step two: putting the crushed acrylic resin, alkyd resin, copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1000-1500r/min within 30-60 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine of the mixture obtained in the step two together, and carrying out high-speed dispersion stirring at the rotating speed of 500-750r/min within 50-70 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture in the third step into a sealed container, then putting the sealed container into a constant temperature box, heating the mixture for 40-60 minutes at the temperature of 140-.
As a preferable scheme, in the step one, the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate are respectively crushed to 10-13 microns in weight portion.
Preferably, after the sealed container is taken out in the fourth step, the mixture is put into a filtering device for filtering.
Compared with the prior art, the printing ink has obvious advantages and beneficial effects, and concretely, according to the technical scheme, the printing ink is mainly prepared by adopting acrylic resin, linseed oil and a coupling agent as additives, combining alkyd resin, a solvent, a filler, soybean oil, a diluent, a defoaming agent, wear-resistant silicone oil, a copolymer of vinyl chloride and vinyl acetate and a pH value stabilizer, so that the obtained printing ink is free from solvent volatilization, has small harm to a human body, meets the requirements of environmental protection, has high drying speed and good adhesive force, has strong heat resistance, and is suitable for printing of various materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
Example 1
The environment-friendly printing ink comprises the following raw materials in parts by weight: 60 parts of acrylic resin, 10 parts of alkyd resin, 30 parts of solvent, 20 parts of filler, 8 parts of linseed oil, 5 parts of soybean oil, 1 part of thinner, 20 parts of coupling agent, 1 part of defoaming agent, 5 parts of wear-resistant silicone oil, 2 parts of copolymer of vinyl chloride and vinyl acetate and 0.5 part of pH value stabilizer. The acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin. The coupling agent is a silane coupling agent. The defoaming agent is silane. The solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 5: 1 in the ratio of 1.
The preparation method of the environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 8 microns;
step two: putting the crushed acrylic resin, alkyd resin and copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1000r/min within 30 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine for obtaining the mixture in the step two, and carrying out high-speed dispersion stirring at the rotating speed of 500r/min within 50 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture obtained in the third step into a sealed container, then putting the sealed container into a thermostat, heating the sealed container for 40 minutes at 140 ℃, then immediately putting the sealed container into a cooling box, cooling the cooled container for 40 minutes at-10 ℃, then immediately putting the cooled container into the thermostat, heating the cooled container for 60 minutes at 100 ℃, immediately putting the cooled container into the cooling box, cooling the cooled container for 40 minutes at-5 ℃, then taking the sealed container out, and then putting the mixture into a filtering device for filtering to obtain the ink.
Example 2
The environment-friendly printing ink comprises the following raw materials in parts by weight: 80 parts of acrylic resin, 20 parts of alkyd resin, 40 parts of solvent, 40 parts of filler, 15 parts of linseed oil, 15 parts of soybean oil, 2 parts of thinner, 30 parts of coupling agent, 2 parts of defoaming agent, 10 parts of wear-resistant silicone oil, 4 parts of copolymer of vinyl chloride and vinyl acetate and 1 part of pH value stabilizer. The acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin. The coupling agent is a silane coupling agent. The defoaming agent is silane. The solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 8: 1 in the ratio of 1.
The preparation method of the environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 15 micrometers;
step two: putting the crushed acrylic resin, alkyd resin and copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at a rotating speed of 1500r/min within 60 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine for obtaining the mixture in the step two, and carrying out high-speed dispersion stirring at the rotating speed of 750r/min within 70 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture obtained in the third step into a sealed container, then putting the sealed container into a thermostat, heating the sealed container for 60 minutes at 180 ℃, then immediately putting the sealed container into a cooling box, cooling the cooled container for 60 minutes at-5 ℃, then immediately putting the cooled container into the thermostat, heating the cooled container for 90 minutes at 130 ℃, immediately putting the cooled container into the cooling box, cooling the cooled container for 60 minutes at-3 ℃, then taking the sealed container out, and then putting the mixture into a filtering device for filtering to obtain the ink.
Example 3
The environment-friendly printing ink comprises the following raw materials in parts by weight: 75 parts of acrylic resin, 18 parts of alkyd resin, 38 parts of solvent, 25 parts of filler, 10 parts of linseed oil, 815 parts of soybean oil, 1 part of thinner, 28 parts of coupling agent, 1 part of defoaming agent, 7 parts of wear-resistant silicone oil, 2 parts of copolymer of vinyl chloride and vinyl acetate and 0.8 part of pH value stabilizer. The acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin. The coupling agent is a silane coupling agent. The defoaming agent is silane. The solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 7: 1 in the ratio of 1.
The preparation method of the environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 9 microns;
step two: putting the crushed acrylic resin, alkyd resin and copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1200r/min within 40 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine for obtaining the mixture in the step two, and carrying out high-speed dispersion stirring at the rotating speed of 600r/min within 55 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture obtained in the third step into a sealed container, then putting the sealed container into a thermostat, heating for 45 minutes at 150 ℃, then immediately putting the sealed container into a cooling box, cooling for 45 minutes at-8 ℃, then immediately putting the sealed container into the thermostat, heating for 70 minutes at 110 ℃, immediately putting the sealed container into the cooling box, cooling for 45 minutes at-3 ℃, then taking the sealed container out, and then putting the mixture into a filtering device for filtering to obtain the ink.
Example 4
The environment-friendly printing ink comprises the following raw materials in parts by weight: 70 parts of acrylic resin, 15 parts of alkyd resin, 35 parts of solvent, 30 parts of filler, 12 parts of linseed oil, 10 parts of soybean oil, 2 parts of thinner, 25 parts of coupling agent, 2 parts of defoaming agent, 8 parts of wear-resistant silicone oil, 3 parts of copolymer of vinyl chloride and vinyl acetate and 1 part of pH value stabilizer. The acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin. The coupling agent is a silane coupling agent. The defoaming agent is silane. The solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 6: 1 in the ratio of 1.
The preparation method of the environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 10 micrometers;
step two: putting the crushed acrylic resin, alkyd resin and copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1300r/min within 45 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine for obtaining the mixture in the step two, and carrying out high-speed dispersion stirring at the rotating speed of 650r/min within 60 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture obtained in the third step into a sealed container, then putting the sealed container into a thermostat, heating the sealed container for 50 minutes at 160 ℃, then immediately putting the sealed container into a cooling box, cooling the cooled container for 50 minutes at-7 ℃, then immediately putting the cooled container into the thermostat, heating the cooled container for 75 minutes at 120 ℃, immediately putting the cooled container into the cooling box, cooling the cooled container for 50 minutes at-4 ℃, then taking the sealed container out, and then putting the mixture into a filtering device for filtering to obtain the ink.
Comparative example 1
The environment-friendly printing ink comprises the following raw materials in parts by weight: 70 parts of acrylic resin, 15 parts of alkyd resin, 35 parts of solvent, 30 parts of filler, 10 parts of soybean oil, 2 parts of thinner, 2 parts of defoamer, 8 parts of wear-resistant silicone oil, 3 parts of copolymer of vinyl chloride and vinyl acetate and 1 part of pH value stabilizer. The acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin. The defoaming agent is silane. The solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 6: 1 in the ratio of 1.
The preparation method of the environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 10 micrometers;
step two: putting the crushed acrylic resin, alkyd resin and copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1300r/min within 45 minutes to obtain a mixture;
step three: putting the solvent, the filler, the soybean oil, the diluent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine of the mixture obtained in the step two together, and performing high-speed dispersion and stirring at the rotating speed of 650r/min within 60 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture obtained in the third step into a sealed container, then putting the sealed container into a thermostat, heating the sealed container for 50 minutes at 160 ℃, then immediately putting the sealed container into a cooling box, cooling the cooled container for 50 minutes at-7 ℃, then immediately putting the cooled container into the thermostat, heating the cooled container for 75 minutes at 120 ℃, immediately putting the cooled container into the cooling box, cooling the cooled container for 50 minutes at-4 ℃, then taking the sealed container out, and then putting the mixture into a filtering device for filtering to obtain the ink.
Comparative example 2
The environment-friendly printing ink comprises the following raw materials in parts by weight: 15 parts of alkyd resin, 35 parts of solvent, 30 parts of filler, 12 parts of linseed oil, 10 parts of soybean oil, 2 parts of thinner, 25 parts of coupling agent, 2 parts of defoaming agent, 8 parts of wear-resistant silicone oil, 3 parts of copolymer of vinyl chloride and vinyl acetate and 1 part of pH value stabilizer. The coupling agent is a silane coupling agent. The defoaming agent is silane. The solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 6: 1 in the ratio of 1.
The preparation method of the environment-friendly ink comprises the following steps:
the method comprises the following steps: respectively crushing the alkyd resin, the copolymer of vinyl chloride and vinyl acetate in parts by weight to 10 microns;
step two: putting the crushed alkyd resin, the copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1300r/min within 45 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine for obtaining the mixture in the step two, and carrying out high-speed dispersion stirring at the rotating speed of 650r/min within 60 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture obtained in the third step into a sealed container, then putting the sealed container into a thermostat, heating the sealed container for 50 minutes at 160 ℃, then immediately putting the sealed container into a cooling box, cooling the cooled container for 50 minutes at-7 ℃, then immediately putting the cooled container into the thermostat, heating the cooled container for 75 minutes at 120 ℃, immediately putting the cooled container into the cooling box, cooling the cooled container for 50 minutes at-4 ℃, then taking the sealed container out, and then putting the mixture into a filtering device for filtering to obtain the ink.
The inks obtained in the examples and comparative examples were tested for initial drying, adhesion, harmful organic volatiles and heat resistance temperature, using the national standard, and the results are shown in Table 1.
Table 1 test results of printing inks prepared with the respective examples and comparative examples:
Figure BDA0002564527350000101
as can be seen from Table 1: example 4 in comparison with comparative example 1 gives: when linseed oil and a coupling agent are added as additives, the initial drying property, the adhesion fastness and the heat-resistant temperature of the obtained ink are obviously higher than those of a comparative example, and the obtained ink has no harmful organic volatile matters in example 4 and has the advantages of comparative example 1; example 4 was compared to comparative example 2 to give: when the acrylic resin is added as an additive, the initial drying property, the adhesion fastness and the heat-resistant temperature of the obtained ink are obviously higher than those of a comparative example; comparative example 1 was compared to comparative example 2 to give: when the linseed oil and the coupling agent are added as additives, no harmful organic volatile matters exist.
In conclusion, the design of the invention is mainly characterized in that the ink is prepared by adopting acrylic resin, linseed oil and a coupling agent as additives and combining alkyd resin, a solvent, filler, soybean oil, a diluent, a defoaming agent, wear-resistant silicone oil, a copolymer of vinyl chloride and vinyl acetate and a pH value stabilizer, so that the obtained ink has no solvent volatilization, has small harm to human bodies, meets the requirements of environmental protection, has higher drying speed and good adhesive force, has strong heat resistance and is suitable for printing of various materials.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (9)

1. An environment-friendly ink is characterized in that: the feed comprises the following raw materials in parts by weight:
60-80 parts of acrylic resin, 10-20 parts of alkyd resin, 30-40 parts of solvent, 20-40 parts of filler, 8-15 parts of linseed oil, 5-15 parts of soybean oil, 1-2 parts of diluent, 20-30 parts of coupling agent, 1-2 parts of defoaming agent, 5-10 parts of wear-resistant silicone oil, 2-4 parts of copolymer of vinyl chloride and vinyl acetate and 0.5-1 part of pH value stabilizer.
2. The environment-friendly ink as claimed in claim 1, wherein: the feed comprises the following raw materials in parts by weight: 70 parts of acrylic resin, 15 parts of alkyd resin, 35 parts of solvent, 30 parts of filler, 12 parts of linseed oil, 10 parts of soybean oil, 2 parts of thinner, 25 parts of coupling agent, 2 parts of defoaming agent, 8 parts of wear-resistant silicone oil, 3 parts of copolymer of vinyl chloride and vinyl acetate and 1 part of pH value stabilizer.
3. The environment-friendly ink as claimed in claim 1, wherein: the acrylic resin comprises one or more of methacrylate, organic silicon modified acrylate and polyester acrylic resin.
4. The environment-friendly ink as claimed in claim 1, wherein: the coupling agent is a silane coupling agent.
5. The environment-friendly ink as claimed in claim 1, wherein: the defoaming agent is silane.
6. The environment-friendly ink as claimed in claim 1, wherein: the solvent is prepared from deionized water and industrial ethanol according to the weight ratio of 5-8: 1 in the ratio of 1.
7. A method for preparing the environment-friendly ink as defined in any one of claims 1 to 6, wherein: the method comprises the following steps:
the method comprises the following steps: respectively crushing the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate in parts by weight to 8-15 microns;
step two: putting the crushed acrylic resin, alkyd resin, copolymer of vinyl chloride and vinyl acetate into a high-speed dispersion machine, and performing high-speed dispersion at the rotating speed of 1000-1500r/min within 30-60 minutes to obtain a mixture;
step three: putting the solvent, the filler, the linseed oil, the soybean oil, the diluent, the coupling agent, the defoaming agent, the wear-resistant silicone oil and the pH value stabilizer in parts by weight into a high-speed dispersion machine of the mixture obtained in the step two together, and carrying out high-speed dispersion stirring at the rotating speed of 500-750r/min within 50-70 minutes to obtain a solid-liquid mixture;
step four: and (3) putting the solid-liquid mixture in the third step into a sealed container, then putting the sealed container into a constant temperature box, heating the mixture for 40-60 minutes at the temperature of 140-.
8. The method for preparing the environment-friendly ink according to claim 7, wherein: in the first step, the acrylic resin, the alkyd resin and the copolymer of vinyl chloride and vinyl acetate are respectively crushed to 10-13 microns.
9. The method for preparing the environment-friendly ink according to claim 7, wherein: and fourthly, after the sealed container is taken out, putting the mixture into a filtering device for filtering.
CN202010618911.6A 2020-07-01 2020-07-01 Environment-friendly printing ink and preparation method thereof Pending CN111592790A (en)

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Application publication date: 20200828