CN111440482A - Antistatic scratch-resistant transparent ink and preparation method thereof - Google Patents

Antistatic scratch-resistant transparent ink and preparation method thereof Download PDF

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Publication number
CN111440482A
CN111440482A CN202010351169.7A CN202010351169A CN111440482A CN 111440482 A CN111440482 A CN 111440482A CN 202010351169 A CN202010351169 A CN 202010351169A CN 111440482 A CN111440482 A CN 111440482A
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CN
China
Prior art keywords
antistatic
ink
scratch
resistant transparent
transparent ink
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010351169.7A
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Chinese (zh)
Inventor
徐晓花
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SUZHOU ZHONGYA INK CO Ltd
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SUZHOU ZHONGYA INK CO Ltd
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Priority to CN202010351169.7A priority Critical patent/CN111440482A/en
Publication of CN111440482A publication Critical patent/CN111440482A/en
Withdrawn legal-status Critical Current

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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
    • C09D11/10—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
    • C09D11/52—Electrically conductive inks

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

Abstract

The invention discloses antistatic scratch-resistant transparent ink, which belongs to the technical field of ink preparation and comprises the following components in percentage by mass: 15-25% of flexible resin, 10-15% of styrene-acrylic copolymer soft emulsion, 10-15% of styrene-acrylic copolymer hard emulsion, 20-30% of first solvent, 10-15% of second solvent, 5-10% of reinforcing filler, 2-5% of conductive filler and 1-5% of functional auxiliary agent. According to the preparation method of the antistatic scratch-resistant transparent ink, the flexible resin, the self-crosslinking resin and the calcium carbonate whiskers are mixed for use, so that the scratch resistance of the ink after film formation is improved in all directions from the aspects of improving crosslinking density, wear resistance, reinforcement and toughening; through the use of the conductive filler and the antistatic agent, a dual antistatic effect is achieved. The ink prepared by the invention integrates high transparency, scratch resistance and antistatic property, and has excellent comprehensive performance.

Description

Antistatic scratch-resistant transparent ink and preparation method thereof
Technical Field
The invention relates to the field of printing ink, in particular to antistatic scratch-resistant transparent printing ink and a preparation method thereof.
Background
In recent years, the ink industry and ink technology have been rapidly developed. Along with the improvement of aesthetic requirements of people, the requirements on the product packaging quality are higher and higher, and accordingly, transparent ink is produced and developed. The transparent ink is widely applied to fine package printing such as electronic consumer product package printing, medicine package printing, cosmetic package printing and the like.
However, the prior transparent ink product has the following disadvantages in the actual use process: 1. static electricity is easy to generate under the condition of use or friction, the use experience of the product is reduced, and even certain danger is generated on the package of electronic consumer goods; 2. the strength of the ink is low, abrasion or scratch is easy to generate in the using process, and the durability is poor; and the transparency is often unsatisfactory.
Disclosure of Invention
The invention mainly solves the technical problem of providing antistatic scratch-resistant transparent ink and a preparation method thereof, and can solve the problems of the existing transparent ink.
In order to solve the technical problems, the invention adopts a technical scheme that: the antistatic scratch-resistant transparent ink comprises the following components in percentage by mass:
15-25% of flexible resin, 10-15% of styrene-acrylic copolymer soft emulsion, 10-15% of styrene-acrylic copolymer hard emulsion, 20-30% of first solvent, 10-15% of second solvent, 5-10% of reinforcing filler, 2-5% of conductive filler and 1-5% of functional auxiliary agent.
In a preferred embodiment of the present invention, the flexible resin includes at least one of acrylic S5610 and polyamide resin.
In a preferred embodiment of the present invention, the first solvent is ethylene glycol diacetate.
In a preferred embodiment of the present invention, the second solvent is deionized water, ethanol and glycerol in a ratio of 5: 2: 3-4: 3: 3 in a mixture of two or more.
In a preferred embodiment of the invention, the reinforcing filler comprises calcium carbonate whiskers.
In a preferred embodiment of the present invention, the conductive filler includes aluminum powder.
In a preferred embodiment of the present invention, the functional additives include a film-forming additive, an antistatic agent, a transparent oil, an antifoaming agent, and a leveling agent.
In a preferred embodiment of the invention, the ink further comprises 1-5% of nano fluorescent powder.
In order to solve the technical problem, the invention adopts another technical scheme that: the preparation method of the antistatic scratch-resistant transparent ink comprises the following steps:
(1) preparing flexible resin liquid: heating and stirring the flexible resin and the first solvent according to the formula ratio to obtain a resin liquid, and then cooling to room temperature for later use;
(2) and (3) mixing of fillers: mixing the reinforcing filler, the conductive filler and the second solvent according to the formula amount, and stirring the mixture until the mixture is uniform;
(3) preparing ink: and (3) mixing the materials prepared in the step (1) and the step (2) with other materials in the rest formula amount, uniformly stirring, ultrasonically dispersing, and passing through a grinding roller to obtain the antistatic scratch-resistant transparent ink.
In a preferred embodiment of the present invention, in the step (1), the temperature is 50 to 80 ℃; in the step (3), the ultrasonic dispersion conditions are as follows: the ultrasonic power is 280-300W, and the time is 0.5-1 h.
The invention has the beneficial effects that: according to the preparation method of the antistatic scratch-resistant transparent ink, the flexible resin, the self-crosslinking resin and the calcium carbonate whiskers are mixed for use, so that the scratch resistance of the ink after film formation is improved in all directions from the aspects of improving crosslinking density, wear resistance, reinforcement and toughening; through the use of the conductive filler and the antistatic agent, a dual antistatic effect is achieved. The ink prepared by the invention integrates high transparency, scratch resistance and antistatic property, and has excellent comprehensive performance.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
The embodiment of the invention comprises the following steps:
example 1
The invention discloses antistatic scratch-resistant transparent ink which comprises the following components in mass of 100 kg:
20kg of flexible resin, namely acrylic acid S5610, which has excellent flexibility and water resistance and contributes to improving the folding resistance, the adhesion and the wear resistance of the ink, thereby improving the scratch resistance of the ink.
10kg of styrene-acrylic acid copolymer soft emulsion and 10kg of styrene-acrylic acid copolymer hard emulsion, wherein the two emulsions have polyfunctional groups and super-strong self-crosslinking property, and are beneficial to improving the crosslinking density of ink resin so as to improve the scratch resistance of the ink.
25kg of first solvent, which is ethylene glycol diacetate, is used to solvent the flexible resin.
15kg of a second solvent which is deionized water, ethanol and glycerol in a ratio of 5: 2: 3-4: 3: 3 and the formula design of the second solvent has the characteristics of no toxicity and environmental protection, and can also improve the dispersion performance of the filler, thereby improving the performance of the ink.
5kg of reinforcing filler, wherein the reinforcing filler comprises calcium carbonate whiskers, and the calcium carbonate whiskers have excellent comprehensive mechanical properties and better wear resistance, so that the effects of reinforcing the ink and improving the wear resistance are achieved.
5kg of conductive filler, wherein the conductive filler is aluminum powder, the particle size is less than 10 mu m, the conductivity of the ink can be improved, and the antistatic property is further improved.
5kg of functional auxiliary agent, wherein the functional auxiliary agent comprises 1kg of film forming auxiliary agent, 2kg of antistatic agent, 1kg of halogen-free insulating transparent oil, 0.5kg of defoaming agent and 0.5kg of flatting agent; the film-forming additive is propylene glycol methyl ether acetate, and can improve the film-forming property of the ink, so that the scratch resistance of the ink is improved; the antistatic agent is an alanine salt and has excellent antistatic performance; the antifoaming agent and the leveling agent are auxiliary agents commonly used in the field, have little or no influence on the performance of the product, and can be selected and used by a person skilled in the art from materials commonly used in the field.
5kg of nano fluorescent powder, and the addition of the commercially available fluorescent powder effectively improves the transparency of the ink.
The preparation method of the antistatic scratch-resistant transparent ink comprises the following steps:
(1) preparing flexible resin liquid: mixing acrylic acid S5610 and ethylene glycol diacetate according to the formula ratio, heating and stirring at 75 ℃ to obtain a resin liquid, and then cooling to room temperature for later use;
(2) and (3) mixing of fillers: mixing the calcium carbonate crystal whisker, the aluminum powder and the second solvent according to the formula amount, and stirring the mixture until the mixture is uniform;
(3) preparing ink: and (3) mixing the materials prepared in the step (1) and the step (2) with other materials in the rest formula amount, uniformly stirring, ultrasonically dispersing for 0.5-1 h at the ultrasonic power of 280-300W, and passing through a grinding roller to obtain the antistatic scratch-resistant transparent ink.
The preparation method can effectively improve the dispersibility of the resin, the filler and the auxiliary agent, thereby obviously improving the performance of the ink.
The ink prepared by the method has the advantages of transparent appearance, wear rate of 2.25%, no scratch after being rubbed for 100 times under the pressure of 4 pounds, and electric conductivity of 5.5 × 103S/m, and has good antistatic performance.
Example 2
The invention discloses antistatic scratch-resistant transparent ink which comprises the following components in mass of 100 kg:
20kg of flexible resin, wherein the flexible resin is acrylic acid S5610 and polyamide resin, and the weight ratio of the flexible resin to the polyamide resin is 2: 1, the acrylic acid S5610 and the polyamide resin have excellent flexibility and water resistance, and contribute to improvement of folding resistance, adhesion and abrasion resistance of the ink, thereby improving scratch resistance of the ink.
15kg of styrene-acrylic acid copolymer soft emulsion and 15kg of styrene-acrylic acid copolymer hard emulsion, wherein the two emulsions have polyfunctional groups and super-strong self-crosslinking property, and are beneficial to improving the crosslinking density of ink resin so as to improve the scratch resistance of the ink.
20kg of first solvent, wherein the first solvent is ethylene glycol diacetate and is used for dissolving the flexible resin.
15kg of a second solvent which is deionized water, ethanol and glycerol in a ratio of 5: 2: 3-4: 3: 3 and the formula design of the second solvent has the characteristics of no toxicity and environmental protection, and can also improve the dispersion performance of the filler, thereby improving the performance of the ink.
5kg of reinforcing filler, wherein the reinforcing filler comprises calcium carbonate whiskers, and the calcium carbonate whiskers have excellent comprehensive mechanical properties and better wear resistance, so that the effects of reinforcing the ink and improving the wear resistance are achieved.
And 2kg of conductive filler, wherein the conductive filler is aluminum powder, the particle size is less than 10 mu m, the conductivity of the ink can be improved, and the antistatic property is further improved.
3kg of functional auxiliary agent, wherein the functional auxiliary agent comprises 0.5kg of film-forming auxiliary agent, 1kg of antistatic agent, 0.5kg of halogen-free insulating transparent oil, 0.3kg of defoaming agent and 0.2kg of flatting agent; the film-forming additive is propylene glycol methyl ether acetate, and can improve the film-forming property of the ink, so that the scratch resistance of the ink is improved; the antistatic agent is an alanine salt and has excellent antistatic performance; the antifoaming agent and the leveling agent are auxiliary agents commonly used in the field, have little or no influence on the performance of the product, and can be selected and used by a person skilled in the art from materials commonly used in the field.
5kg of nano fluorescent powder, and the addition of the commercially available fluorescent powder effectively improves the transparency of the ink.
The preparation method is the same as example 1.
The ink prepared by the method has the advantages of transparent appearance, wear rate of 2.55%, no scratch after being rubbed for 100 times under the pressure of 4 pounds, and electric conductivity of 6.8 × 103S/m, and has good antistatic performance.
The antistatic scratch-resistant transparent ink and the preparation method thereof have the following advantages:
1. the scratch resistance of the ink after film forming is improved in all directions from the aspects of improving crosslinking density, strengthening and toughening by mixing the flexible resin, the self-crosslinking resin and the calcium carbonate crystal whiskers;
2. through the use of the conductive filler and the antistatic agent, a dual antistatic effect is realized;
3. by using the nano fluorescent powder, the transparency of the printing ink is further improved on the basis of the resin matrix;
4. through the design of the preparation process, the dispersion performance of each component is effectively improved, so that the performance of each component is fully exerted, and the comprehensive performance of the final product ink is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The antistatic scratch-resistant transparent ink is characterized by comprising the following components in percentage by mass: 15-25% of flexible resin, 10-15% of styrene-acrylic copolymer soft emulsion, 10-15% of styrene-acrylic copolymer hard emulsion, 20-30% of first solvent, 10-15% of second solvent, 5-10% of reinforcing filler, 2-5% of conductive filler and 1-5% of functional auxiliary agent.
2. The antistatic scratch-resistant transparent ink according to claim 1, wherein the flexible resin comprises at least one of acrylic S5610 and polyamide resin.
3. The antistatic scratch-resistant transparent ink as claimed in claim 1, wherein the first solvent is ethylene glycol diacetate.
4. The antistatic scratch-resistant transparent ink as claimed in claim 1, wherein the second solvent is deionized water, ethanol and glycerol in a ratio of 5: 2: 3-4: 3: 3 in a mixture of two or more.
5. The antistatic, scratch resistant transparent ink of claim 1 wherein the reinforcing filler comprises calcium carbonate whiskers.
6. The antistatic scratch-resistant transparent ink as claimed in claim 1, wherein the conductive filler comprises aluminum powder.
7. The antistatic scratch-resistant transparent ink as claimed in claim 1, wherein the functional additives comprise a film-forming additive, an antistatic agent, a transparent oil, a defoaming agent and a leveling agent.
8. The antistatic scratch-resistant transparent ink as claimed in claim 1, wherein the ink further comprises 1-5% of nano-phosphors.
9. A method for preparing the antistatic scratch-resistant transparent ink as claimed in any one of claims 1 to 8, characterized by comprising the steps of:
(1) preparing flexible resin liquid: heating and stirring the flexible resin and the first solvent according to the formula ratio to obtain a resin liquid, and then cooling to room temperature for later use;
(2) and (3) mixing of fillers: mixing the reinforcing filler, the conductive filler and the second solvent according to the formula amount, and stirring the mixture until the mixture is uniform;
(3) preparing ink: and (3) mixing the materials prepared in the step (1) and the step (2) with other materials in the rest formula amount, uniformly stirring, ultrasonically dispersing, and passing through a grinding roller to obtain the antistatic scratch-resistant transparent ink.
10. The method for preparing the antistatic scratch-resistant transparent ink according to claim 9, wherein in the step (1), the temperature is 50-80 ℃; in the step (3), the ultrasonic dispersion conditions are as follows: the ultrasonic power is 280-300W, and the time is 0.5-1 h.
CN202010351169.7A 2020-04-28 2020-04-28 Antistatic scratch-resistant transparent ink and preparation method thereof Withdrawn CN111440482A (en)

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CN202010351169.7A CN111440482A (en) 2020-04-28 2020-04-28 Antistatic scratch-resistant transparent ink and preparation method thereof

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Application Number Priority Date Filing Date Title
CN202010351169.7A CN111440482A (en) 2020-04-28 2020-04-28 Antistatic scratch-resistant transparent ink and preparation method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116622263A (en) * 2023-05-22 2023-08-22 中国印钞造币集团有限公司 Low-VOC high-stability environment-friendly engraving gravure ink and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116622263A (en) * 2023-05-22 2023-08-22 中国印钞造币集团有限公司 Low-VOC high-stability environment-friendly engraving gravure ink and preparation method thereof

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Application publication date: 20200724