CN112280371A - PETG fluff ink suitable for gravure printing machine and preparation method and use method thereof - Google Patents

PETG fluff ink suitable for gravure printing machine and preparation method and use method thereof Download PDF

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Publication number
CN112280371A
CN112280371A CN202011144161.XA CN202011144161A CN112280371A CN 112280371 A CN112280371 A CN 112280371A CN 202011144161 A CN202011144161 A CN 202011144161A CN 112280371 A CN112280371 A CN 112280371A
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Prior art keywords
fluff
ink
stirring
solvent
petg
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CN202011144161.XA
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Chinese (zh)
Inventor
姜维
李玉亮
荣慧利
杨小明
谢琴
李燕
段绘叶
何天力
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Songyu Printing Packaging Co ltd
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Songyu Printing Packaging Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/10Intaglio printing ; Gravure printing
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/033Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/14Printing inks based on carbohydrates

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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)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The PETG fluff ink suitable for the gravure printing machine is a benzene-free ketone-free environment-friendly solvent-based ink with the resin type of polyurethane, a finished product printed by using the fluff ink has a fluff-like touch feeling, polyethylene wax is added into an auxiliary agent, the wear resistance and scraping resistance of the ink are improved, the ink still has a smooth fluff touch feeling after scraping, and the ink is not possessed by the existing fluff ink, and a special binder resin ratio is adopted, namely polyurethane resin and nitrocotton resin are compounded in a ratio of 5:1, a solvent with the compounding ratio of 7: 1-9: 1 is adopted, and the compounding ratio is adopted to obtain excellent printing performance and good adhesion performance on PETG.

Description

PETG fluff ink suitable for gravure printing machine and preparation method and use method thereof
Technical Field
The invention relates to printing ink, in particular to PETG fluff ink suitable for a gravure printing machine and a preparation method and a use method thereof.
Background
In the prior art, fluff ink exists, but basically is water-based ink of a modified acrylic resin system, and the adhesion and the machining performance of the ink used on PETG are poor due to poor matching of acrylic resin and a polyester system film.
Disclosure of Invention
In order to solve the problems, the invention provides a solvent-based fluff ink which has strong adhesive force, is suitable for being used for the gravure printing with PETG and can ensure the fluff touch and the durability, and also provides a preparation method and a use method of the ink.
In order to achieve the purpose, the invention designs PETG fluff ink suitable for a gravure printing machine, which is prepared by mixing the following components: fluff powder, a binder, a solvent and an auxiliary agent; the weight ratio of the components in the mixing process is as follows: 10-15% of fluff powder, 2.5-5% of auxiliary agent, 30-35% of solvent and 45-50% of bonding material.
The further proposal is that the binder is a plurality of combinations of polyurethane resin and nitrocotton resin. The solvent is an ester solvent and an alcohol solvent, and the mass ratio is 7: 1-9: 1, the ester solvent is ethyl acetate, n-propyl acetate and butyl acetate, and the alcohol solvent is isopropanol.
The preparation method of the fluff ink comprises the following steps:
(a) adding the fluff powder and the solvent into stirring equipment according to the proportion, mixing, and stirring for at least 20-30 minutes;
(b) after the substances are fully mixed, adding the bonding material into stirring equipment according to the proportion, and stirring for 50-60 minutes;
(c) and finally, adding the auxiliary agent into stirring equipment according to the proportion, and stirring for 5-10 minutes.
Wherein the stirring equipment is sealed equipment, and the stirring speed is 1000-2500 rpm.
The application method of the fluff ink needs to ensure that the running speed of the gravure printing machine during printing is as follows: 200-270 m/min. The transverse shrinkage rate of the PETG heat shrinkable film is as follows: 55 to 75 percent.
Compared with the prior art, the PETG fluff ink suitable for the gravure printing machine is a benzene-free ketone-free environment-friendly solvent-based ink with the resin type of polyurethane, the finished product printed by using the fluff ink has a fluff-like touch feeling, the wear resistance and scraping resistance of the ink are improved by adding the polyethylene wax into the auxiliary agent, and the ink still has a soft fluff touch feeling after scraping, which is not possessed by the existing fluff ink. In addition, the nitrocotton resin can provide the required hardness of the ink layer, if the content of the polyurethane resin is too high and the content of the nitrocotton resin is too low, the hardness of the ink layer is not enough, the scratch resistance is reduced, and if the content of the nitrocotton resin is high and the content of the polyurethane resin is too low, the adhesion of the ink layer is insufficient, ink is easy to drop, so the compounding ratio is carefully selected. The two resins are compounded in the solvent, the compounding ratio of the two resins is 7: 1-9: 1, and different solvent ratios can influence the drying speed of the printing ink during printing, so that the aim of influencing the final printing effect is fulfilled. The PETG material can obtain excellent printing performance and good adhesion performance through compounding of various raw materials.
Detailed Description
The invention will be described clearly and completely through the technical scheme in the embodiment.
Example 1.
The PETG fluff ink suitable for the gravure printing machine described in the embodiment comprises the following raw materials in proportion and a preparation method:
(1) 28g of fluff powder (with the particle size of 20-25 microns) is accurately weighed and added into a stirring device (the volume is 2L), 49g of ethyl ester, 14g of n-propyl ester and 7g of isopropanol (esters: alcohols: 9:1) are accurately weighed and added into the stirring device, stirring is started, the stirring speed is controlled at 2000 rpm, and the temperature is controlled at 25 ℃ for 25 minutes.
(2) Based on the step 1, 140g of polyurethane resin and 28g of nitrocellulose resin are accurately weighed, added into a stirring device, and stirred for 55 minutes at the rotating speed of 2000 rpm and the temperature of 25 ℃.
(3) And (3) accurately weighing 14g of the auxiliary agent on the basis of the step 2, adding the auxiliary agent into a stirring device, and stirring for 8 minutes at the rotating speed of 2000 rpm and the temperature of 25 ℃ to obtain the intaglio fluff ink.
The intaglio fluff ink obtained in this example was used for intaglio printing press printing, wherein the transverse shrinkage of the heat shrinkable film using PETG was: 55 percent; the running speed of the printing press is: 200m/min to obtain the finished printing finished product.
Example 2.
The PETG fluff ink suitable for the gravure printing machine described in the embodiment comprises the following raw materials in proportion and a preparation method:
(1) 30g of fluff powder (with the particle size of 20-35 microns) is accurately weighed and added into a stirring device (the volume is 2L), 58.33g of ethyl ester, 16.66g of isobutyl ester and 8.33g of isopropanol (ester: alcohol: 8:1) are accurately weighed and added into the stirring device, stirring is started, the stirring speed is controlled at 1000 revolutions per minute, and the temperature is controlled at 30 ℃ for stirring for 30 minutes.
(2) On the basis of the step 1, 150g of polyurethane resin and 30g of nitrocellulose resin are accurately weighed, added into a stirring device, and stirred for 60 minutes at the rotating speed of 1000 rpm and the temperature of 30 ℃.
(3) And (3) accurately weighing 15g of the auxiliary agent on the basis of the step 2, adding the auxiliary agent into stirring equipment, and stirring for 10 minutes at the rotating speed of 1000 rpm and the temperature of 30 ℃ to obtain the intaglio fluff ink.
The intaglio fluff ink obtained in this example was used for intaglio printing press printing, wherein the transverse shrinkage of the heat shrinkable film using PETG was: 75 percent; the running speed of the printing press is: 270m/min, the finished printed product is obtained.
Example 3.
The PETG fluff ink suitable for the gravure printing machine described in the embodiment comprises the following raw materials in proportion and a preparation method:
(1) accurately weighing 35g of fluff powder (with the particle size of 20-25 microns) and adding the fluff powder into a stirring device (with the volume of 2L), accurately weighing 61.3g of n-propyl ester, 17.5g of isobutyl ester and 8.7g of isopropanol (ester: alcohol: 9:1) and adding the n-propyl ester, the isobutyl ester and the isopropanol into the stirring device, starting stirring, controlling the stirring speed at 2500 rpm and the temperature at 30 ℃ and stirring for 20 minutes.
(2) 233.33g of polyurethane resin and 16.67g of nitrocotton resin are accurately weighed on the basis of the step 1, added into a stirring device and stirred for 50 minutes at the rotating speed of 2500 rpm and the temperature of 30 ℃.
(3) And (3) accurately weighing 17.5g of the auxiliary agent on the basis of the step 2, adding the auxiliary agent into a stirring device, and stirring for 5 minutes at the rotating speed of 2500 rpm and the temperature of 30 ℃ to obtain the intaglio fluff ink.
The intaglio fluff ink obtained in this example was used for intaglio printing press printing, wherein the transverse shrinkage of the heat shrinkable film using PETG was: 75 percent; the running speed of the printing press is: 200m/min to obtain the finished printing finished product.
Example 4.
The PETG fluff ink suitable for the gravure printing machine described in the embodiment comprises the following raw materials in proportion and a preparation method:
(1) 40g of fluff powder (with the particle size of 20-25 microns) is accurately weighed and added into a stirring device (the volume is 2L), 77.77g of n-propyl ester, 11.11g of isobutyl ester and 11.11g of isopropanol (ester: alcohol: 8:1) are accurately weighed and added into the stirring device, stirring is started, the stirring speed is controlled at 2500 rpm, and the temperature is controlled at 28 ℃ for stirring for 20 minutes.
(2) On the basis of the step 1, 200g of polyurethane resin and 40g of nitrocellulose resin are accurately weighed, added into a stirring device, and stirred for 50 minutes at the rotating speed of 2500 rpm and the temperature of 28 ℃.
(3) And (3) accurately weighing 20g of the auxiliary agent on the basis of the step 2, adding the auxiliary agent into a stirring device, and stirring for 5 minutes at the rotating speed of 2500 rpm and the temperature of 28 ℃ to obtain the intaglio fluff ink.
The intaglio fluff ink obtained in this example was used for intaglio printing press printing, wherein the transverse shrinkage of the heat shrinkable film using PETG was: 55 percent; the running speed of the printing press is: 270m/min, the finished printed product is obtained.
Example 5.
The PETG fluff ink suitable for the gravure printing machine described in the embodiment comprises the following raw materials in proportion and a preparation method:
(1) accurately weighing 45g of fluff powder (the particle size is 20-25 microns) and adding the fluff powder into a stirring device (the volume is 2L), then accurately weighing 78.75g of n-propyl ester, 22.5g of isobutyl ester and 11.25g of isopropanol (esters: alcohols: 9:1) and adding the n-propyl ester, the 22.5g of isobutyl ester and the 11.25g of isopropanol into the stirring device, starting stirring, controlling the stirring speed at 2500 rpm and the temperature at 30 ℃ and stirring for 20 minutes.
(2) On the basis of the step 1, 225g of polyurethane resin and 45g of nitrocellulose resin are accurately weighed, added into a stirring device, and stirred for 50 minutes at the rotating speed of 2500 rpm and the temperature of 30 ℃.
(3) And (3) accurately weighing 45g of the auxiliary agent on the basis of the step 2, adding the auxiliary agent into a stirring device, and stirring for 5 minutes at the rotating speed of 2500 rpm and the temperature of 30 ℃ to obtain the intaglio fluff ink.
The intaglio fluff ink obtained in this example was used for intaglio printing press printing, wherein the transverse shrinkage of the heat shrinkable film using PETG was: 65 percent; the running speed of the printing press is: 240m/min to obtain the finished printing product.
The prints obtained in examples 1 to 5 were measured for gloss using MG6-F1 (gloss meter) and abrasion resistance using an ink print decoloration tester, using two test points on the same horizontal line, and the results are shown in table 1 below.
TABLE 1
Figure BDA0002739182150000041
Figure BDA0002739182150000051
From table 1, it can be obtained that the gravure fluff ink of the present invention has the advantages of fine and smooth hand feeling, good scratch resistance and sanding effect, and excellent printability and good adhesion.
Finally, it is also noted that the above-mentioned lists merely illustrate a few specific embodiments of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.

Claims (5)

1. The PETG fluff ink suitable for the gravure printing machine is characterized by being prepared by mixing the following components: fluff powder, a binder, a solvent and an auxiliary agent; the weight ratio of the components in the mixing process is as follows: 10-15% of fluff powder, 2.5-5% of auxiliary agent, 30-35% of solvent and 45-50% of bonding material. The binder is prepared by compounding polyurethane resin and nitrocotton resin in a ratio of 5:1, the solvent is an ester solvent and an alcohol solvent, and the mass ratio is 7: 1-9: 1, the ester solvent is ethyl acetate, n-propyl acetate and butyl acetate, the alcohol solvent is isopropanol, and the auxiliary agent is polyethylene wax.
2. A method of making a fluff ink as defined in claim 1, wherein:
(a) adding the fluff powder and the solvent into stirring equipment according to the proportion, mixing, and stirring for at least 20-30 minutes;
(b) after the substances are fully mixed, adding the bonding material into stirring equipment according to the proportion, and stirring for 50-60 minutes;
(c) and finally, adding the auxiliary agent into stirring equipment according to the proportion, and stirring for 5-10 minutes.
3. A process for preparing a pile ink according to claim 2, wherein: the stirring equipment is sealed equipment, and the stirring speed is 1000-2500 rpm.
4. A method of using a fluff ink as claimed in claims 1 to 2, characterized in that the intaglio printing press is operated at a speed: 200-270 m/min.
5. The method for using the fluff ink as claimed in claim 4, wherein the transverse shrinkage rate of the PETG heat shrinkable film is as follows: 55 to 75 percent.
CN202011144161.XA 2020-10-23 2020-10-23 PETG fluff ink suitable for gravure printing machine and preparation method and use method thereof Pending CN112280371A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114318940A (en) * 2021-12-31 2022-04-12 增和包装股份有限公司 Production process of novel flocking tipping paper
CN114605864A (en) * 2022-04-20 2022-06-10 广东顺德洋紫薇化工有限公司 Blue-light-proof self-repairing water-based matte ink for plastic film
CN115926530A (en) * 2022-11-25 2023-04-07 松裕印刷包装有限公司 Composite mirror effect ink suitable for gravure printing machine and preparation method thereof

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US20060293424A1 (en) * 2005-06-24 2006-12-28 Mun-Fu Tse Functionalized propylene copolymer adhesive composition
CN103627306A (en) * 2013-11-07 2014-03-12 昆山大世界油墨涂料有限公司 Mist surface hand feeling scratch-resistant coating paint and preparation method thereof
CN109021677A (en) * 2018-09-30 2018-12-18 中山市中益油墨涂料有限公司 A kind of aqueous feel or sense of touch ink and preparation method thereof
CN110951322A (en) * 2019-12-13 2020-04-03 深圳劲嘉集团股份有限公司 Gravure water-based optically variable flocking ink and preparation method and printing method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114318940A (en) * 2021-12-31 2022-04-12 增和包装股份有限公司 Production process of novel flocking tipping paper
CN114605864A (en) * 2022-04-20 2022-06-10 广东顺德洋紫薇化工有限公司 Blue-light-proof self-repairing water-based matte ink for plastic film
CN114605864B (en) * 2022-04-20 2023-02-07 广东顺德洋紫薇化工有限公司 Blue-light-proof self-repairing water-based matte ink for plastic film
CN115926530A (en) * 2022-11-25 2023-04-07 松裕印刷包装有限公司 Composite mirror effect ink suitable for gravure printing machine and preparation method thereof

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Application publication date: 20210129