CN109321030B - Water-based plastic inner printing ink and water-based plastic surface printing ink - Google Patents
Water-based plastic inner printing ink and water-based plastic surface printing ink Download PDFInfo
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- CN109321030B CN109321030B CN201811317469.2A CN201811317469A CN109321030B CN 109321030 B CN109321030 B CN 109321030B CN 201811317469 A CN201811317469 A CN 201811317469A CN 109321030 B CN109321030 B CN 109321030B
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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
- C09D11/10—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
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Abstract
The invention discloses water-based plastic inner printing ink and water-based plastic surface printing ink. The water-based plastic inner printing ink can be directly used as inner printing ink and can also be used as surface printing ink, and when the water-based plastic inner printing ink is used as the surface printing ink, the requirements of surface printing and printing can be met only by adding water-based ink mixing oil in proportion; when the adhesive is directly used as the inner printing ink, the adhesive force on the surface of the film is good, the color biting problem can not occur, the obvious dissolution phenomenon can not occur when the water-based compound adhesive is used for compounding in a dry compounding process, and white spots can not occur. The water-based plastic surface printing ink is prepared by blending the water-based plastic inner printing ink and water-based ink mixing oil, and has excellent adhesive force, glossiness, rubbing resistance, wear resistance, scratch resistance, water resistance and printing adaptability when being printed on a film.
Description
Technical Field
The invention relates to the field of plastic printing, in particular to water-based plastic inner printing ink and water-based plastic surface printing ink.
Background
The plastic printing comprises surface printing and inner printing, wherein the surface printing of the ink meaning is to print ink on the surface of a film, the inner printing is to print the ink on one layer of the film, then a film layer formed by the film and the ink is coated with an adhesive, and then the other layer of the film is attached to the adhesive, so that the ink film layer is sandwiched between the two layers of the film.
The existing water-based plastic surface printing ink is usually a water-based acrylic acid system, although the water-based plastic surface printing ink can be used for surface printing of plastic films, the type of the film which can be printed is single, for example, the water-based plastic surface printing ink has good adhesion when being printed on a high-density and low-density polyethylene film, but has poor adhesion when being printed on a polypropylene film, namely, the existing water-based plastic surface printing ink cannot be commonly used on films such as polyethylene, polypropylene, PET, PVC, aluminum foil and the like. When the water-based plastic surface printing ink with poor re-solubility is selected, the water resistance is good after film forming, but the phenomenon of plate blocking can occur, the workload of workers is increased, and the printing effect of the product is poor, so that the product is unqualified. When the water-based plastic surface printing ink is prepared by selecting the water-based acrylic emulsion with good re-solubility, the problems that the printed finished product is not water-resistant and can fade when being rubbed in water can occur after film forming. When the acrylic emulsion with better re-solubility and the emulsion with poorer re-solubility are selected to be matched to prepare the water-based plastic surface printing ink, the problems that the product after being printed into a film is not water-resistant and slightly rubs and loses color after meeting water still occur.
The existing water-based plastic inner printing ink is usually a water-based polyurethane system, and has good adhesion to PET and nylon films, relatively poor adhesion to polypropylene printing films and poor water resistance. When the water resistance is too poor, the color biting phenomenon (the ink printed at the back dissolves the ink printed at the front and the color biting phenomenon occurs) occurs during printing, and when the water-based composite glue is used for compounding in the subsequent dry compounding process, the phenomenon that the water-based composite glue slightly dissolves the ink on the printed film to cause white spots occurs also occurs, so that the printed product is unqualified.
Disclosure of Invention
The invention aims to provide the water-based plastic inner printing ink which can be directly used as the inner printing ink and can also be used as the surface printing ink, and when the water-based plastic inner printing ink is used as the surface printing ink, the water-based ink adjusting oil is added in proportion to meet the requirement of surface printing; when the adhesive is directly used as the inner printing ink, the adhesive force on the surface of the film is good, the color biting problem can not occur, the obvious dissolution phenomenon can not occur when the water-based compound adhesive is used for compounding in a dry compounding process, and white spots can not occur.
The invention also aims to provide the water-based plastic surface printing ink which is prepared by adding the water-based ink adjusting oil into the water-based plastic inner printing ink and has very excellent adhesive force, glossiness, rubbing resistance, wear resistance, scratch resistance, water resistance and printing adaptability when being printed on a film.
In order to achieve the above object, the present invention provides an aqueous plastic inner printing ink, comprising: 25-40 parts of aqueous polyurethane dispersoid, 40-60 parts of aqueous color paste, 10-20 parts of aqueous acrylic emulsion, 0.5-1.5 parts of aqueous wax emulsion and 2-23 parts of water.
Optionally, the aqueous plastic inner printing ink further comprises: 0.5-1.5 parts of wetting and leveling agent, 0.2-0.5 part of defoaming agent, 0.2-0.5 part of mildew-proof preservative and 0.2-0.5 part of pH value regulator.
Optionally, the solid content of the aqueous polyurethane dispersion is 35 wt% to 50 wt%; the solid content of the aqueous acrylic emulsion is 35-50 wt%; the solid content of the aqueous wax emulsion is 35-40 wt%.
Optionally, the glass transition temperature of the water-based acrylic emulsion is-30 ℃ to-40 ℃.
Optionally, the aqueous color paste is a color paste, and the color paste comprises: 20-30 parts by mass of a water-based acrylic resin solution; 35-45 parts by mass of an organic pigment; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 parts by mass of a dispersant; 0.2-0.5 part of antiseptic and mildew inhibitor; 0.2-0.5 parts of pH value regulator; 34-40 parts of water.
Optionally, the aqueous color paste is a white color paste, and the white color paste comprises: 7-15 parts by mass of a water-based acrylic resin solution; 70-80 parts of titanium dioxide; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 parts by mass of a dispersant; 0.2-0.5 part of antiseptic and mildew inhibitor; 0.2-0.5 parts of pH value regulator; 8.5-19 parts of water.
Optionally, the aqueous wax emulsion refers to an emulsion obtained by dispersing polyethylene wax particles in water under the action of an emulsifier; the solid content of the aqueous wax emulsion is 35-40 wt%.
The invention also provides water-based plastic surface printing ink which is prepared by mixing the water-based plastic inner printing ink and the water-based ink adjusting oil, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink adjusting oil is 50-90: 10-50;
the aqueous varnish comprises: 15-20 parts of aqueous polyurethane dispersion; 40-45 parts of water-based acrylic emulsion; 15-20 parts of a mixture of the aqueous wax emulsion and a slip agent; 13-30 parts of water.
Optionally, the aqueous varnish further comprises: 0.5-1.5 parts by mass of a wetting and leveling agent; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 part by mass of a mildew-proof preservative; 0.2-0.5 parts of pH value regulator.
Optionally, in the mixture of the aqueous wax emulsion and the slip agent, the mass ratio of the aqueous wax emulsion to the slip agent is 6-8: 2-4.
The invention has the beneficial effects that:
1) the water-based plastic inner printing ink and the water-based plastic surface printing ink integrate the advantages of the water-based acrylic resin and the water-based polyurethane resin and realize advantage complementation. In the actual production process, the proportion of the waterborne acrylic acid and the waterborne polyurethane in the waterborne plastic inner printing ink and the waterborne plastic surface printing ink can be properly adjusted, so that the waterborne acrylic acid and the waterborne polyurethane can meet different use conditions and the optimal use performance can be realized.
2) In the aqueous plastic inner printing ink and the aqueous plastic surface printing ink, the aqueous acrylic resin and the aqueous polyurethane resin are only physically mixed and have no chemical reaction process, so that no catalyst is required to be added.
3) The water-based plastic inner printing ink provided by the invention can be directly used as inner printing ink and can also be used as surface printing ink, and when the water-based plastic inner printing ink is used as the surface printing ink, the requirements of surface printing and printing can be met only by adding the water-based ink mixing oil in proportion.
4) The invention realizes the universality of surface printing ink and inner printing ink, and the purchase of only one water-based plastic inner printing ink and one water-based ink mixing oil by a customer is equivalent to the purchase of one water-based plastic inner printing ink and one water-based plastic surface printing ink, namely, the invention can greatly reduce the purchase cost of the customer, thereby reducing the capital pressure of the customer.
5) When the water-based plastic inner printing ink is directly used as the inner printing ink, the adhesive force on the surface of a film is good, the problem of color biting does not occur, and the phenomenon of obvious dissolution and white spots do not occur when the water-based composite adhesive is used for compounding in a dry compounding process.
6) When the water-based plastic surface printing ink is printed on a film, the water-based plastic surface printing ink has very excellent adhesive force, glossiness, rubbing resistance, wear resistance, scratch resistance, water resistance and printing adaptability.
7) The product is a non-flammable and non-explosive product, thereby reducing the fire hazard of a printing factory.
8) The product has low organic Volatile (VOC), and is safe and environment-friendly.
Detailed Description
The terms as used herein:
"prepared from … …" is synonymous with "comprising". The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
The conjunction "consisting of … …" excludes any unspecified elements, steps or components. If used in a claim, the phrase is intended to claim as closed, meaning that it does not contain materials other than those described, except for the conventional impurities associated therewith. When the phrase "consisting of … …" appears in a clause of the subject matter of the claims rather than immediately after the subject matter, it defines only the elements described in the clause; other elements are not excluded from the claims as a whole.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when the range "1 ~ 5" is disclosed, the ranges described should be construed to include the ranges "1 ~ 4", "1 ~ 3", "1 ~ 2 and 4 ~ 5", "1 ~ 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.
"part by mass" means a basic unit of measure indicating a mass ratio of a plurality of components, and 1 part may represent any unit mass, for example, 1g or 2.689 g. If we say that the part by mass of the component A is a part by mass and the part by mass of the component B is B part by mass, the ratio of the part by mass of the component A to the part by mass of the component B is a: b. alternatively, the mass of the A component is aK and the mass of the B component is bK (K is an arbitrary number, and represents a multiple factor). It is unmistakable that, unlike the parts by mass, the sum of the parts by mass of all the components is not limited to 100 parts.
"and/or" is used to indicate that one or both of the illustrated conditions may occur, e.g., A and/or B includes (A and B) and (A or B);
in addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.
The invention provides water-based plastic inner printing ink, which comprises the following components: 25-40 parts of aqueous polyurethane dispersoid, 40-60 parts of aqueous color paste, 10-20 parts of aqueous acrylic emulsion, 0.5-1.5 parts of wetting and leveling agent, 0.2-0.5 part of defoaming agent, 0.5-1.5 parts of aqueous wax emulsion, 0.2-0.5 part of mildew-proof preservative, 0.2-0.5 part of pH value regulator and 2-23 parts of water.
Specifically, the aqueous polyurethane dispersion refers to a dispersion system in which polyurethane particles are dispersed in water.
Specifically, the solid content of the aqueous polyurethane dispersion is 35 wt% -50 wt%.
Specifically, the aqueous acrylic emulsion refers to an emulsion obtained by uniformly dispersing acrylic resin particles in water under the action of an emulsifier.
Specifically, the solid content of the aqueous acrylic emulsion is 35 wt% -50 wt%.
Specifically, the aqueous acrylic emulsion is an acrylic emulsion with a low glass transition temperature, and preferably, the glass transition temperature of the aqueous acrylic emulsion is-30 ℃ to-40 ℃.
Because the glass transition temperature of the water-based acrylic emulsion is a key factor for determining the film forming temperature of the water-based plastic inner printing ink, the film forming temperature of the water-based plastic inner printing ink can be obviously reduced and the film forming quality can be improved by selecting the acrylic emulsion with low glass transition temperature, and the ink film layer obtained after printing has good rubbing resistance and high flexibility.
Specifically, the aqueous wax emulsion refers to an emulsion obtained by dispersing polyethylene wax particles in water under the action of an emulsifier.
Preferably, the solid content of the aqueous wax emulsion is 35 wt% to 40 wt%.
Specifically, the aqueous color paste can be white color paste or colored color paste.
Specifically, the color paste comprises: 20-30 parts by mass of a water-based acrylic resin solution; 35-45 parts by mass of an organic pigment; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 parts by mass of a dispersant; 0.2-0.5 part of antiseptic and mildew inhibitor; 0.2-0.5 parts of pH value regulator; 34-40 parts of water.
Specifically, the aqueous acrylic resin solution refers to a solution in which an acrylic resin is completely dissolved in water.
Specifically, the solid content of the aqueous acrylic resin solution is 30 wt% -40 wt%.
Specifically, the white color paste comprises: 7-15 parts by mass of a water-based acrylic resin solution; 70-80 parts of titanium dioxide; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 parts by mass of a dispersant; 0.2-0.5 part of antiseptic and mildew inhibitor; 0.2-0.5 parts of pH value regulator; 8.5-19 parts of water.
Specifically, in the white color paste and the color paste, the resin solution (aqueous acrylic resin solution) without particles mainly plays a role in wetting and dispersing pigments (organic pigments and titanium dioxide). Because the preparation processes of the white color paste and the color paste both need to adopt a grinding mode, namely a high-speed shearing mode to disperse the pigment, if the adopted resin is in an emulsion or dispersion form (containing particles), the emulsion is easily damaged under the shearing action, the particles are separated out, and the prepared color paste is not uniform, has poor quality and even can not be used.
Specifically, the resin selected in the water-based plastic inner printing ink is in an emulsion form (containing particles) or a dispersion system form (containing particles), because compared with the resin in a solution form (completely dissolved without particles), the resin in the emulsion form and the dispersion system form can obviously improve the film-forming adhesion and the wear and scratch resistance of the ink.
The water-based plastic inner printing ink provided by the invention can be directly used as inner printing ink, and can also be mixed with water-based ink adjusting oil to be used as surface printing ink.
The inventor needs to solve two important problems in developing the water-based plastic inner printing ink, wherein one problem is that: the aqueous polyurethane dispersion and the aqueous acrylic emulsion are two systems which are difficult to be completely fused, so the problem of uniform mixing of the aqueous polyurethane dispersion and the aqueous acrylic emulsion is solved, and the other problem is that: how to realize the purpose that a printing ink can be used as both the inner printing ink and the surface printing ink, that is, how to enable a printing ink to simultaneously meet the dual-function requirements of the inner printing ink and the surface printing ink.
The inventor of the application obtains the ink with better mixing uniformity degree in the ratio range of 25-40:10-20 by repeatedly adjusting the mass ratio of the aqueous polyurethane dispersoid to the aqueous acrylic emulsion, and in addition, the aqueous plastic inner printing ink prepared according to the ratio range can fully absorb the respective advantages of polyurethane and acrylic resin, thereby realizing advantage complementation and ensuring that the prepared aqueous plastic inner printing ink can meet the universal requirement of inner printing and surface printing.
Based on the water-based plastic inner printing ink, the invention also provides water-based plastic surface printing ink which is prepared by mixing the water-based plastic inner printing ink and water-based ink mixing oil, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink mixing oil is 50-90: 10-50.
The aqueous varnish comprises: 15-20 parts of aqueous polyurethane dispersion; 40-45 parts of water-based acrylic emulsion; 15-20 parts of a mixture of the aqueous wax emulsion and a slip agent; 0.5-1.5 parts by mass of a wetting and leveling agent; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 part by mass of a mildew-proof preservative; 0.2-0.5 parts of pH value regulator; 13-30 parts of water.
Specifically, the water-based ink adjusting oil can improve the wear resistance and scratch resistance of the water-based plastic surface printing ink.
Specifically, in the mixture of the aqueous wax emulsion and the slip agent, the mass ratio of the aqueous wax emulsion to the slip agent is 6-8:2-4, and preferably 7: 3.
Specifically, the characteristics and parameter ranges of the aqueous polyurethane dispersion, the aqueous acrylic emulsion and the aqueous wax emulsion involved in the aqueous varnish are the same as those of the aqueous polyurethane dispersion, the aqueous acrylic emulsion and the aqueous wax emulsion described above.
Preferably, the water adopted in the water-based plastic inner printing ink, the white color paste, the color paste and the water-based ink mixing oil is deionized water.
In general, when the water-based plastic inner printing ink disclosed by the invention is directly used as the inner printing ink and printed on films such as polypropylene and PET (polyethylene terephthalate), compared with the existing water-based plastic inner printing ink, the problems of low adhesive force of the ink on the surface of the film and color biting of the ink are obviously improved, and the water-based composite adhesive is not obviously dissolved and has no white spots when being compounded in a dry compounding process.
When the water-based plastic inner printing ink and the water-based ink adjusting oil are mixed and used as surface printing ink and are printed on films such as polyethylene, polypropylene, PET, PVC and the like, the adhesive force, the glossiness, the rubbing resistance, the wear resistance, the scratch resistance, the water resistance and the printing adaptability shown by the water-based plastic inner printing ink are better than those of the surface printing ink of a single acrylic emulsion system.
Specifically, the water-based plastic inner printing ink and the water-based plastic surface printing ink can be used on a machine after the printing viscosity is adjusted by deionized water when in use.
As can be known by those skilled in the art, most of plastic printing ink sold on the market at present contains more than 5% of ethanol, the printing ink is extremely easy to deflagrate, and has high danger degree, and the water-based plastic inner printing ink and the water-based plastic surface printing ink of the invention both do not contain alcohol substances, are environment-friendly, are not easy to deflagrate, and greatly reduce the danger degree.
Since the wetting and leveling agent, the defoaming agent, the mildew-proof preservative and the pH value regulator adopted by the invention are common additives in the field of plastic printing ink, the specific components, the proportion and the like of the additives are not described in detail herein.
In summary, the advantages of the water-based plastic inner printing ink and the water-based plastic surface printing ink of the invention include:
1) the water-based plastic inner printing ink and the water-based plastic surface printing ink integrate the advantages of the water-based acrylic resin and the water-based polyurethane resin and realize advantage complementation. In the actual production process, the proportion of the waterborne acrylic acid and the waterborne polyurethane in the waterborne plastic inner printing ink and the waterborne plastic surface printing ink can be properly adjusted, so that the waterborne acrylic acid and the waterborne polyurethane can meet different use conditions and the optimal use performance can be realized.
2) In the aqueous plastic inner printing ink and the aqueous plastic surface printing ink, the aqueous acrylic resin and the aqueous polyurethane resin are only physically mixed and have no chemical reaction process, so that no catalyst is required to be added.
3) The water-based plastic inner printing ink provided by the invention can be directly used as inner printing ink and can also be used as surface printing ink, and when the water-based plastic inner printing ink is used as the surface printing ink, the requirements of surface printing and printing can be met only by adding the water-based ink mixing oil in proportion.
4) The invention realizes the universality of surface printing ink and inner printing ink, and the purchase of only one water-based plastic inner printing ink and one water-based ink mixing oil by a customer is equivalent to the purchase of one water-based plastic inner printing ink and one water-based plastic surface printing ink, namely, the invention can greatly reduce the purchase cost of the customer, thereby reducing the capital pressure of the customer.
5) When the water-based plastic inner printing ink is directly used as the inner printing ink, the adhesive force on the surface of a film is good, the problem of color biting does not occur, and the phenomenon of obvious dissolution and white spots do not occur when the water-based composite adhesive is used for compounding in a dry compounding process.
6) When the water-based plastic surface printing ink is printed on a film, the water-based plastic surface printing ink has very excellent adhesive force, glossiness, rubbing resistance, wear resistance, scratch resistance, water resistance and printing adaptability.
7) The product is a non-flammable and non-explosive product, thereby reducing the fire hazard of a printing factory.
8) The product has low organic Volatile (VOC), and is safe and environment-friendly.
The following will describe in detail the mixing ratio of the aqueous plastic back printing ink and the aqueous plastic front printing ink according to the present invention in the form of specific examples.
Example 1
An aqueous plastic inner printing ink comprising: 30 parts of aqueous polyurethane dispersoid, 45 parts of white color paste, 13 parts of aqueous acrylic emulsion, 1 part of wetting and leveling agent, 0.3 part of defoaming agent, 1 part of aqueous wax emulsion, 0.2 part of mildew-proof preservative, 0.3 part of pH value regulator and 6 parts of deionized water.
The white color paste comprises: 10 parts by mass of an aqueous acrylic resin solution; 73 parts by mass of titanium dioxide; 0.2 part by mass of a defoaming agent; 0.5 part by mass of a dispersant; 0.2 part by mass of an antiseptic and mildew preventive; 0.3 part by mass of a pH value regulator; 11 parts by mass of deionized water.
Example 2
An aqueous plastic inner printing ink comprising: 27 parts of aqueous polyurethane dispersoid, 50 parts of white color paste, 18 parts of aqueous acrylic emulsion, 0.7 part of wetting and leveling agent, 0.4 part of defoaming agent, 0.8 part of aqueous wax emulsion, 0.4 part of mildew-proof preservative, 0.5 part of pH value regulator and 15 parts of water.
The white color paste comprises: 12 parts by mass of a water-based acrylic resin solution; 78 parts of titanium dioxide; 0.3 part by mass of a defoaming agent; 0.4 part by mass of a dispersant; 0.2 part by mass of an antiseptic and mildew preventive; 0.5 part by mass of a pH value regulator; 17 parts by mass of water.
Example 3
An aqueous plastic inner printing ink comprising: 35 parts of aqueous polyurethane dispersoid, 50 parts of color paste, 18 parts of aqueous acrylic emulsion, 0.8 part of wetting and leveling agent, 0.4 part of defoaming agent, 1.2 parts of aqueous wax emulsion, 0.4 part of mildew-proof preservative, 0.4 part of pH value regulator and 8 parts of water.
The color paste comprises: 24 parts by mass of an aqueous acrylic resin solution; 38 parts by mass of an organic pigment; 0.3 part by mass of a defoaming agent; 0.5 part by mass of a dispersant; 0.2 part by mass of an antiseptic and mildew preventive; 0.4 part by mass of a pH value regulator; 36 parts by mass of water.
Example 4
An aqueous plastic inner printing ink comprising: 30 parts of aqueous polyurethane dispersoid, 45 parts of color paste, 14 parts of aqueous acrylic emulsion, 1 part of wetting and leveling agent, 0.3 part of defoaming agent, 1 part of aqueous wax emulsion, 0.4 part of mildew-proof preservative, 0.3 part of pH value regulator and 20 parts of water.
The color paste comprises: 28 parts by mass of an aqueous acrylic resin solution; 42 parts by mass of an organic pigment; 0.4 part by mass of a defoaming agent; 0.3 part by mass of a dispersant; 0.4 part of antiseptic and mildew preventive; 0.3 part by mass of a pH value regulator; 38 parts by mass of water.
Example 5
The water-based plastic surface printing ink is prepared by mixing the water-based plastic inner printing ink and the water-based ink mixing oil in example 1, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink mixing oil is 60: 40;
the aqueous varnish comprises: 17 parts by mass of an aqueous polyurethane dispersion; 42 parts by mass of a water-based acrylic emulsion; 16 parts of a mixture of the aqueous wax emulsion and the slip agent; 1 part by mass of a wetting and leveling agent; 0.2 part by mass of a defoaming agent; 0.4 part by mass of a mildew-proof preservative; 0.3 part by mass of a pH value regulator; 20 parts of water.
Example 6
The water-based plastic surface printing ink is prepared by mixing the water-based plastic inner printing ink and the water-based ink mixing oil in the embodiment 2, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink mixing oil is 80: 20;
the aqueous varnish comprises: 19 parts by mass of an aqueous polyurethane dispersion; 44 parts by mass of a water-based acrylic emulsion; 18 parts of a mixture of the aqueous wax emulsion and a slip agent; 0.8 part by mass of a wetting and leveling agent; 0.4 part by mass of a defoaming agent; 0.5 part by mass of a mildew-proof preservative; 0.4 part by mass of a pH value regulator; 27 parts by mass of water.
Example 7
The water-based plastic surface printing ink is prepared by mixing the water-based plastic inner printing ink and the water-based ink mixing oil in example 3, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink mixing oil is 70: 30;
the aqueous varnish comprises: 18 parts by mass of an aqueous polyurethane dispersion; 43 parts by mass of a water-based acrylic emulsion; 17 parts by mass of a mixture of the aqueous wax emulsion and the slip agent; 1.2 parts by mass of a wetting and leveling agent; 0.3 part by mass of a defoaming agent; 0.3 part by mass of a mildew-proof preservative; 0.5 part by mass of a pH value regulator; 25 parts by mass of water.
Example 8
The water-based plastic surface printing ink is prepared by mixing the water-based plastic inner printing ink and the water-based ink mixing oil in the embodiment 4, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink mixing oil is 90: 10;
the aqueous varnish comprises: 16 parts of an aqueous polyurethane dispersion; 41 parts by mass of a water-based acrylic emulsion; 19 parts of a mixture of the aqueous wax emulsion and a slip agent; 1.4 parts by mass of a wetting and leveling agent; 0.5 part by mass of a defoaming agent; 0.2 part by mass of a mildew-proof preservative; 0.2 part by mass of a pH value regulator; and 18 parts by mass of water.
Since the numerical ranges of the various process parameters involved in the present invention are not necessarily all represented in the above examples, one skilled in the art can fully envision that the present invention can be practiced with any number falling within the above numerical ranges, including any combination of specific values within the numerical ranges. Here, for the sake of brevity, the embodiment giving specific values in a certain numerical range or ranges is omitted, and this should not be construed as an insufficient disclosure of the technical solution of the present invention.
The applicant states that the present invention is illustrated by the above examples to show the detailed process equipment and process flow of the present invention, but the present invention is not limited to the above detailed process equipment and process flow, i.e. it does not mean that the present invention must rely on the above detailed process equipment and process flow to be implemented. It should be understood by those skilled in the art that any modification of the present invention, equivalent replacement of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., fall within the scope of the present invention.
Claims (8)
1. An aqueous plastic inner printing ink, which is characterized by comprising: 25-40 parts of aqueous polyurethane dispersoid, 40-60 parts of aqueous color paste, 10-20 parts of aqueous acrylic emulsion, 0.5-1.5 parts of aqueous wax emulsion and 2-23 parts of water;
the aqueous polyurethane dispersion refers to a dispersion system obtained by dispersing polyurethane particles in water, and the solid content of the aqueous polyurethane dispersion is 35-50 wt%;
the aqueous acrylic emulsion refers to emulsion obtained by uniformly dispersing acrylic resin particles in water under the action of an emulsifier, and the solid content of the aqueous acrylic emulsion is 35-50 wt%;
the aqueous wax emulsion refers to emulsion obtained by dispersing polyethylene wax particles in water under the action of an emulsifier; the solid content of the aqueous wax emulsion is 35-40 wt%.
2. The aqueous plastic lining ink of claim 1 further comprising: 0.5-1.5 parts of wetting and leveling agent, 0.2-0.5 part of defoaming agent, 0.2-0.5 part of mildew-proof preservative and 0.2-0.5 part of pH value regulator.
3. The aqueous plastic inner printing ink as claimed in claim 1, wherein the glass transition temperature of the aqueous acrylic emulsion is-30 ℃ to-40 ℃.
4. The aqueous plastic inner printing ink as defined in claim 1 wherein the aqueous color paste is a color paste comprising: 20-30 parts by mass of a water-based acrylic resin solution; 35-45 parts by mass of an organic pigment; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 parts by mass of a dispersant; 0.2-0.5 part of antiseptic and mildew inhibitor; 0.2-0.5 parts of pH value regulator; 34-40 parts of water.
5. The aqueous plastic inner printing ink as defined in claim 1 wherein the aqueous color paste is a white color paste comprising: 7-15 parts by mass of a water-based acrylic resin solution; 70-80 parts of titanium dioxide; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 parts by mass of a dispersant; 0.2-0.5 part of antiseptic and mildew inhibitor; 0.2-0.5 parts of pH value regulator; 8.5-19 parts of water.
6. The water-based plastic surface printing ink is formed by mixing the water-based plastic inner printing ink and the water-based ink adjusting oil according to any one of claims 1 to 5, wherein the mass ratio of the water-based plastic inner printing ink to the water-based ink adjusting oil is 50-90: 10-50;
the aqueous varnish comprises: 15-20 parts of aqueous polyurethane dispersion; 40-45 parts of water-based acrylic emulsion; 15-20 parts of a mixture of the aqueous wax emulsion and a slip agent; 13-30 parts of water.
7. The aqueous plastic table printing ink of claim 6 wherein the aqueous varnish ink further comprises: 0.5-1.5 parts by mass of a wetting and leveling agent; 0.2-0.5 part by mass of a defoaming agent; 0.2-0.5 part by mass of a mildew-proof preservative; 0.2-0.5 parts of pH value regulator.
8. The aqueous plastic surface printing ink according to claim 6, wherein the mass ratio of the aqueous wax emulsion to the slip agent in the aqueous wax emulsion to slip agent mixture is 6-8: 2-4.
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| CN110240827A (en) * | 2019-07-19 | 2019-09-17 | 阜阳忆桐印刷有限公司 | A kind of printing ink and preparation method thereof |
| CN110330835B (en) * | 2019-08-12 | 2022-07-26 | 厦门欧化实业有限公司 | Oil-resistant and anti-freezing surface printing ink and processing method and processing equipment thereof |
| WO2021109086A1 (en) * | 2019-12-05 | 2021-06-10 | 惠州德斯坤化工有限公司 | Water-based plastic gravure ink and preparation method therefor |
| CN112778825A (en) * | 2020-12-31 | 2021-05-11 | 惠州乐印水性科技有限公司 | Ink for gravure printing and preparation method thereof |
| CN113480933A (en) * | 2021-06-07 | 2021-10-08 | 君子兰涂料（天津）有限公司 | Hard PVC water-based white coating and preparation method thereof |
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