CN116160789A - Black resin carbon tape for soft label printing and preparation method thereof - Google Patents
Black resin carbon tape for soft label printing and preparation method thereof Download PDFInfo
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- CN116160789A CN116160789A CN202310059907.4A CN202310059907A CN116160789A CN 116160789 A CN116160789 A CN 116160789A CN 202310059907 A CN202310059907 A CN 202310059907A CN 116160789 A CN116160789 A CN 116160789A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J31/00—Ink ribbons; Renovating or testing ink ribbons
- B41J31/05—Ink ribbons having coatings other than impression-material coatings
- B41J31/06—Ink ribbons having coatings other than impression-material coatings the coatings being directly on the base material, i.e. below impression transfer material; Ink ribbons having base material impregnated with material other than impression material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/36—Backcoats; Back layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a black resin carbon tape for soft mark printing and a preparation method thereof, belonging to the technical field of resin carbon tapes. The black resin carbon tape for soft label printing comprises a back coating, a matrix and an ink layer which are sequentially attached from top to bottom; the ink layer is formed by mixing the following raw materials in percentage by mass and then coating: 14-28wt% of vinyl chloride-vinyl acetate copolymer, 3-5wt% of acrylic resin, 1-3wt% of marlin acid resin, 5-18wt% of inorganic pigment, 0.5-2wt% of dispersing agent, 0-2wt% of solid particles and the balance of solvent. The invention also discloses a preparation method of the black resin carbon tape for soft label printing. The beneficial effects are that: through the layer structure of the back coating, the matrix and the ink layer which are sequentially arranged from top to bottom, the carbon ribbon has high resolution, high color density and high brightness, and meets the quality of soft label printing.
Description
Technical Field
The invention belongs to the technical field of resin carbon belts, and particularly relates to a black resin carbon belt for soft mark printing and a preparation method thereof.
Background
As the use of soft labels has become wider, the demand for soft label printing has also increased rapidly. Current soft label color printing techniques are mainly UV inkjet, laser printing or offset printing. The materials used in these printing techniques are not only environmentally friendly, but generally do not have too high a print resolution. While printers capable of color diversity, high resolution printing are expensive, some even up to the million-yuan level, which results in excessive costs for soft label printing. The thermal sublimation technology is an emerging printing process, and the pattern printed by the process has rich layers, bright colors, changeable changes, small chromatic aberration and good reproducibility, can achieve the required effect of a designer of the pattern, and is suitable for mass production. But black characters and black patterns printed by the thermal sublimation CYM three-primary color ribbon have the defects of insufficient color density, poor texture, weak characters and the like, and seriously influence the printing quality of the soft label.
Therefore, a black resin carbon tape for soft mark printing and a preparation method thereof are provided to solve the defects in the prior art.
Disclosure of Invention
The invention aims to solve the technical problems and provide the black resin carbon tape for soft label printing, which has high resolution, high color density and high brightness through the layer structure of the back coating, the matrix and the ink layer which are sequentially arranged from top to bottom, so that the quality of soft label printing is met.
The technical scheme for solving the technical problems is as follows: the black resin carbon ribbon for soft label printing comprises a back coating, a matrix and an ink layer which are sequentially attached from top to bottom; the ink layer is formed by mixing the following raw materials in percentage by mass and then coating: 14-28wt% of vinyl chloride-vinyl acetate copolymer, 3-5wt% of acrylic resin, 1-3wt% of marlin acid resin, 5-18wt% of inorganic pigment, 0.5-2wt% of dispersing agent, 0-2wt% of solid particles and the balance of solvent.
The beneficial effects are that: through the layer structure of the back coating, the matrix and the ink layer which are sequentially arranged from top to bottom, the carbon ribbon has high resolution, high color density and high brightness, and meets the quality of soft label printing.
Description of principle:
the carbon tape adopts the design of the back coating and the ink layer, and can realize the soft mark printing requirement under a single-layer structure by the design of the formula of the ink layer, so that the carbon tape has high blackness and high resolution, low cost and good effect;
the back coating adopts polyurethane modified organic silicon resin, acrylic acid modified organic silicon resin, polyvinyl acetal resin, polyvinyl butyral resin, inorganic particles and auxiliary agent, so as to prevent the adverse effects of stickiness, wrinkling and the like caused by heating of a temperature-sensitive heating head during thermal transfer printing.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the substrate is any one of a polyethylene terephthalate film, a 1, 4-polycyclohexamethylene dimethylene terephthalate film, a polyethylene naphthalate film, a polyphenylene sulfide film, a polystyrene film, a polypropylene film, a polyethylene film, a polyvinyl chloride film, a nylon film, and a polyimide film.
The beneficial effects are that: the film can be used as a base material to better ensure that the back coating and the ink layer can be effectively coated on the surface of the base material.
Further, the solvent is one or a mixture of two of 2-butanone and toluene.
The beneficial effects are that: the use of 2-butanone and/or toluene as solvents can ensure adequate dispersion and mixing of the components in the back coating and ink layer.
Further, the thickness of the substrate is 4-10 μm, the thickness of the back coating is 0.5-1.2 μm, and the thickness of the ink layer is 0.6-1.2 μm.
The beneficial effects are that: the thickness can ensure that the black resin carbon tape for soft label printing has good heat resistance, blackness and resolution when being printed.
Further, the vinyl chloride-vinyl acetate copolymer resin is binary vinyl chloride-vinyl acetate copolymer resin, the molecular weight of the vinyl chloride-vinyl acetate copolymer resin is 20000-60000, and the vinyl acetate content is 12-18% wt%.
The beneficial effects are that: the coating of the soft label printing stock generally adopts PVC resin to improve the receiving capacity of dye, and the vinyl chloride-vinyl acetate resin can ensure that the carbon ribbon has good transfer printing effect and high brightness on the soft label printing stock.
Further, the inorganic pigment is carbon black.
The beneficial effects are that: the coloring effect of the carbon black is good.
Further, the solid particles are any one of silica particles, zinc stearate particles and thermosetting acrylic acid particles.
The beneficial effects are that: smooth and the isolation effect of the front and back layers, improves the adverse effect of the high-temperature and high-humidity environment on the carbon tape in the storage and transportation processes, and ensures the normal printing quality.
The invention provides a preparation method of a black resin carbon tape for soft mark printing, which comprises the following steps:
s1: preparing liquid:
back coating liquid: adding 15wt% of back coating material into 85wt% of solvent for dissolution to prepare back coating liquid for later use;
and (3) ink liquid: 17-34wt% of vinyl chloride-vinyl acetate copolymer, 3-8wt% of acrylic resin and 1-3wt% of marlin acid resin are added into a solvent for dissolution, then 5-18wt% of inorganic pigment, 0.5-2wt% of dispersing agent and 0-2wt% of solid particles are added into the solvent for stirring and mixing, and then ink liquid is prepared for standby;
s2: corona is performed;
providing a substrate, and beating corona on two sides of the substrate;
s3: coating;
coating the back coating liquid prepared in the step S1 on one surface of the substrate in the step S2, and then drying to form a back coating;
and coating the ink liquid prepared in the step S1 on one surface of the substrate far away from the back coating in the step S3 to obtain the black resin carbon tape for soft mark printing.
Further, coating back coating liquid by adopting a ceramic anilox roller with 200-250 lines, wherein the coating speed is 60-100m/min; the drying temperature is 60-100 ℃; the printing ink liquid is coated on a ceramic reticulate roller with 200-250 lines, the coating speed is 60-100m/min, and the drying temperature is 80-100 ℃.
The beneficial effects are that: the carbon ribbon prepared by the preparation method has the advantages of simple structure, low cost, and high resolution, blackness and brightness, and can ensure good printing quality of the carbon ribbon on a soft mark printing substrate through the design of the formula and the thickness of the ink layer.
Drawings
FIG. 1 is a schematic diagram of the layer structure of a carbon ribbon according to the present invention;
FIG. 2 is a template diagram of a print test of the present invention;
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1:
the embodiment provides a black resin carbon tape for soft mark printing, which comprises a back coating, a matrix and an ink layer which are sequentially attached from top to bottom.
Wherein the matrix is polyethylene terephthalate with the thickness of 1-10 mu m;
the back coating is formed by coating the following raw materials in parts by weight: 100 parts of 2-butanone, 100 parts of toluene, 5 parts of polyurethane modified silicone resin, 5 parts of acrylic modified silicone resin, 3 parts of polyvinyl acetal resin, 3 parts of polyvinyl butyral resin, 1 part of cross-linking agent (isocyanate), 2 parts of talcum, 1 part of aluminum hydroxide, 1 part of silicon dioxide, 2 parts of flatting agent, 2 parts of dispersing agent and 2 parts of antistatic agent;
the ink layer is formed by coating the following raw materials in parts by mass: 39 parts of 2-butanone, 38.5 parts of toluene, 5 parts of vinyl chloride-vinyl acetate copolymer, 3 parts of acrylic resin, 1 part of maleic acid resin, 12 parts of carbon black, 1 part of dispersant and 0.5 part of solid particles.
Preparation of black resin carbon tape for soft label printing:
corona is applied to two sides of the polyethylene terephthalate;
taking materials according to the weight parts of the components of the back coating, and mixing to prepare back coating liquid;
coating back coating liquid on one surface of a substrate by using a ceramic anilox roller with 200-250 lines, and drying at 60 ℃ for later use;
taking materials according to the weight parts of the components of the ink layer, and mixing to prepare ink liquid;
and coating the ink liquid on the surface of the substrate far away from the back coating by using a ceramic anilox roller with 200-250 lines, and drying at the temperature of 60 ℃ to obtain the black resin carbon tape for soft mark printing.
Example 2:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 40 parts of 2-butanone, 39.5 parts of toluene, 4 parts of vinyl chloride-vinyl acetate copolymer, 1 part of acrylic resin, 2 parts of maleic acid resin, 11 parts of carbon black, 1.5 parts of dispersing agent and 1 part of solid particles.
Example 3:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 37 parts of 2-butanone, 37 parts of toluene, 6 parts of vinyl chloride-vinyl acetate copolymer, 4 parts of acrylic resin, 0.5 part of maleic acid resin, 14 parts of carbon black, 1.5 parts of dispersing agent and 0 part of solid particles.
Example 4:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 36 parts of 2-butanone, 35.5 parts of toluene, 5 parts of vinyl chloride-vinyl acetate copolymer, 5 parts of acrylic resin, 1 part of maleic acid resin, 15 parts of carbon black, 2 parts of dispersant and 0.5 part of solid particles.
Example 5:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 33 parts of 2-butanone, 32.5 parts of toluene, 10 parts of vinyl chloride-vinyl acetate copolymer, 2.5 parts of acrylic resin, 2 parts of maleic resin, 18 parts of carbon black, 2 parts of dispersing agent and 0 part of solid particles.
Example 6:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 35 parts of 2-butanone, 34.5 parts of toluene, 8 parts of vinyl chloride-vinyl acetate copolymer, 3 parts of acrylic resin, 2 parts of maleic acid resin, 15 parts of carbon black, 1.5 parts of dispersing agent and 1 part of solid particles.
Example 7:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 37.5 parts of 2-butanone, 37 parts of toluene, 3 parts of vinyl chloride-vinyl acetate copolymer, 4 parts of acrylic resin, 2 parts of maleic acid resin, 14 parts of carbon black, 1.5 parts of dispersing agent and 1 part of solid particles.
The backcoatings of comparative examples 1-5 are consistent with the present application and the ink layer formulations are shown in the following table.
Print pattern color density testing
Printing black blocks with the size of 20cm x 20cm on a soft label printing stock BOPP film by using a Hunan tripod consistent far soft label printer, wherein the printing concentration is 110, the pressure is 0.25mm, and the color density of 25 points in the blocks is measured by a color difference meter to average and evaluated by the following criteria:
a: the average color density is more than or equal to 2.4;
b: the average color density is between 2.3 and 2.4;
c: the average color density is between 2.2 and 2.3;
NG: the average color density is less than 2.2.
Print pattern resolution testing
The pattern shown in fig. 2 was printed on a soft label BOPP film using a long-range soft label printer consistent with the lakenan tripod, at a print density of 110 and a pressure of 0.25mm, and the pattern was visually printed and evaluated by the following criteria:
a: all patterns can be printed normally, the bar code area has no tailing, and the bottom fonts can be printed clearly;
b: all patterns can be printed normally, the bar code area is slightly trailing, reading is not affected, and the bottom fonts can be printed clearly;
c: all patterns can be printed normally, the bar code area has slight tailing and does not influence reading, and the bottom fonts have dropping blocks;
NG: the patterns are missing, or the bar code area is seriously trailing, which affects reading, or the prime-coat fonts are seriously blocked, which affects reading.
Test results:
and (5) testing color density.
| Comparative example | 1 | 2 | 3 | 4 | 5 |
| Color density | B | B | C | C | C |
Resolution test
In summary, according to the printing test results, examples 1 to 7 are compared with comparative examples 1 to 5, and the use of the vinyl chloride-vinyl acetate copolymer, the acrylic resin and the marin acid resin in the ink layer of the present application, because the carbon tape is specially used for printing the soft mark, the vinyl chloride-vinyl acetate copolymer and the acrylic resin with strong affinity for the upper coating of the printing substrate for printing the soft mark can be selected, so that good transfer printing can be realized, and meanwhile, the vinyl chloride-vinyl acetate copolymer, the acrylic resin and the marin acid resin are all high brightness resins, so that good brightness can be provided, and meanwhile, the marin acid resin has high-temperature fluidity, so that the peelability in a single-layer structure is ensured; the relative content of the three components ensures the resolution of the printing machine, and the printing machine can fall off blocks due to overhigh vinyl chloride-vinyl acetate resin, incomplete transfer printing and excessive marin acid resin, and also can fall off blocks and tail; the relative content of the inorganic pigment content is also a requirement for ensuring the color density after printing.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (9)
1. The black resin carbon tape for printing the soft mark is characterized by comprising a back coating, a matrix and an ink layer which are sequentially attached from top to bottom;
the ink layer is formed by mixing the following raw materials in percentage by mass and then coating: 14-28wt% of vinyl chloride-vinyl acetate copolymer, 3-5wt% of acrylic resin, 1-3wt% of marlin acid resin, 5-18wt% of inorganic pigment, 0.5-2wt% of dispersing agent, 0-2wt% of solid particles and the balance of solvent.
2. The black resin carbon tape for soft label printing according to claim 1, wherein the substrate is any one of a polyethylene terephthalate film, a 1, 4-polycyclohexamethylene dimethylene terephthalate film, a polyethylene naphthalate film, a polyphenylene sulfide film, a polystyrene film, a polypropylene film, a polyethylene film, a polyvinyl chloride film, a nylon film, and a polyimide film.
3. The black resin carbon ribbon for soft mark printing according to claim 1, wherein the solvent is one or a mixture of two of 2 pi butanone and toluene.
4. The black resin carbon tape for soft mark printing according to claim 1, wherein the thickness of the substrate is 4 to 10 μm, the thickness of the back coating layer is 0.5 to 1.2 μm, and the thickness of the ink layer is 0.6 to 1.2 μm.
5. The black resin carbon ribbon for soft mark printing according to claim 1, wherein the vinyl chloride-vinyl acetate copolymer resin is binary vinyl chloride pi-vinyl acetate copolymer resin, the molecular weight of the resin is 20000-60000, and the vinyl acetate content is 12-18% wt%.
6. The black resin carbon ribbon for soft mark printing according to claim 1, wherein the inorganic pigment is carbon black.
7. The black resin carbon ribbon for soft mark printing according to claim 1, wherein the solid particles are any one of silica particles, zinc stearate particles, thermosetting acrylic particles.
8. A method for producing a black resin carbon ribbon for soft mark printing according to any one of claims 1 to 7, comprising the steps of:
s1: preparing liquid:
back coating liquid: adding 15wt% of back coating material into 85wt% of solvent for dissolution to prepare back coating liquid for later use;
and (3) ink liquid: 17-34wt% of vinyl chloride-vinyl acetate copolymer, 3-8wt% of acrylic resin and 1-3wt% of marlin acid resin are added into a solvent for dissolution, then 5-18wt% of inorganic pigment, 0.5-2wt% of dispersing agent and 0-2wt% of solid particles are added into the solvent for stirring and mixing, and then ink liquid is prepared for standby;
s2: corona is performed;
providing a substrate, and beating corona on two sides of the substrate;
s3: coating;
coating the back coating liquid prepared in the step S1 on one surface of the substrate in the step S2, and then drying to form a back coating;
and coating the ink liquid prepared in the step S1 on one surface of the substrate far away from the back coating in the step S3 to obtain the black resin carbon tape for soft mark printing.
9. The method for preparing a black resin carbon ribbon for soft mark printing according to claim 8, wherein a 200-250 line ceramic anilox roller is used for coating back coating liquid, and the coating speed is 60-100m/min; the drying temperature is 60-100 ℃; the printing ink liquid is coated on a ceramic reticulate roller with 200-250 lines, the coating speed is 60-100m/min, and the drying temperature is 80-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310059907.4A CN116160789A (en) | 2023-01-18 | 2023-01-18 | Black resin carbon tape for soft label printing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310059907.4A CN116160789A (en) | 2023-01-18 | 2023-01-18 | Black resin carbon tape for soft label printing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116160789A true CN116160789A (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310059907.4A Pending CN116160789A (en) | 2023-01-18 | 2023-01-18 | Black resin carbon tape for soft label printing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116160789A (en) |
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2023
- 2023-01-18 CN CN202310059907.4A patent/CN116160789A/en active Pending
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