CN113442611A - Thermal transfer ribbon and preparation method thereof - Google Patents
Thermal transfer ribbon and preparation method thereof Download PDFInfo
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- CN113442611A CN113442611A CN202010230345.1A CN202010230345A CN113442611A CN 113442611 A CN113442611 A CN 113442611A CN 202010230345 A CN202010230345 A CN 202010230345A CN 113442611 A CN113442611 A CN 113442611A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 122
- 239000011248 coating agent Substances 0.000 claims abstract description 92
- 238000004043 dyeing Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 25
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 25
- 230000002745 absorbent Effects 0.000 claims abstract description 21
- 239000002250 absorbent Substances 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 52
- 238000004806 packaging method and process Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 7
- 230000003712 anti-aging effect Effects 0.000 abstract description 3
- 238000003851 corona treatment Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005562 fading Methods 0.000 abstract description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 41
- 239000005020 polyethylene terephthalate Substances 0.000 description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 24
- 229910052799 carbon Inorganic materials 0.000 description 24
- 238000001035 drying Methods 0.000 description 24
- -1 polyethylene terephthalate Polymers 0.000 description 11
- 238000004804 winding Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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)
- Coloring (AREA)
Abstract
The invention relates to a thermal transfer ribbon, which comprises a three-layer structure: the dyeing layer comprises a dyeing layer, a base material and a back coating, wherein the dyeing layer comprises raw materials of acrylic resin, an ultraviolet absorbent and dye; the base material is made of PET material; the back coating is organic silicon resin. The thermal transfer ribbon and the preparation method thereof provided by the invention have the advantages that the formula is simple, the working procedures are simplified, the ultraviolet absorber is added into the dyeing layer, the dye can be well prevented from fading, the anti-aging and anti-ultraviolet effects can be achieved, the back of PET is subjected to corona treatment, and the surface tension can be effectively increased.
Description
Technical Field
The invention relates to the technical field of carbon ribbon materials and preparation methods thereof, in particular to a thermal transfer ribbon and a preparation method thereof.
Background
At present, wax-based and mixed-base carbon ribbons are mainly used as thermal transfer ribbon in the market, and the wax-based and mixed-base carbon ribbons are easy to fade and have short service life under a high-temperature and high-humidity ring mirror, so that the application range and the service life of a carbon ribbon printing product are greatly limited.
Therefore, it is highly desirable to find a good thermal transfer ribbon that can meet the aging resistance and long service life.
Disclosure of Invention
The invention aims to solve the technical problem of improving the formula and the preparation method of the carbon ribbon and achieving the purpose of prolonging the service life of a carbon ribbon printing product.
The technical scheme for solving the technical problems is as follows: a thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises a dyeing layer, a base material and a back coating, wherein the dyeing layer comprises raw materials of acrylic resin, an ultraviolet absorbent and dye; the base material is made of PET material; the back coating is organic silicon resin.
Preferably, the mass percentage of the acrylic resin, the ultraviolet absorber and the dye in the dye layer is 100: 1-3: 1-40.
Preferably, the thickness of the back coating is 0.6-0.8 um.
Preferably, the substrate has a thickness of 4-6 um.
Preferably, the thickness of the dyeing layer is 0.6-1 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the organic silicon resin coating on the back of the PET substrate by using a reverse coating process of a mesh roller, and then curing by hot air;
step 3, coating a dyeing layer: acrylic resin, an ultraviolet absorber and a dye were coated on the outer side of the release layer using a mesh roll reverse coating process, and then cured with hot air.
Preferably, the method further comprises rolling the carbon ribbon coil obtained in the step 3.
Preferably, the coating roll used in the reverse coating process of the mesh roll in the step 2 and the step 3 is 100-400 mesh, and the coating thickness is 0.2-1.5g/m2。
Preferably, the hot air curing in the step 2 and the step 3 adopts 3-5 sections of baking oven, the baking and coating temperature is 70-120 ℃, and the air speed is 3-18 m/s.
Preferably, the method further comprises a slitting package, and the obtained carbon ribbon is slit and packaged.
Preferably, the step 2 further comprises corona discharge on the back of the PET substrate.
The beneficial effect who adopts above-mentioned scheme is: the thermal transfer ribbon and the preparation method thereof provided by the invention have the advantages that the formula is simple, the working procedures are simplified, the ultraviolet absorber is added into the dyeing layer, the dye can be well prevented from fading, the anti-aging and anti-ultraviolet effects can be achieved, the back of PET is subjected to corona treatment, and the surface tension can be effectively increased.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example one
A thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises raw materials including acrylic resin, an ultraviolet absorbent and dye, the mass percentage of the acrylic resin, the ultraviolet absorbent and the dye in the dyeing layer is 100:1:1, and the thickness of the dyeing layer is 0.6; the base material is made of PET (polyethylene terephthalate), and the thickness of the base material is 4 um; the back coating is organic silicon resin, and the thickness of back coating is 0.6 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: firstly, corona is formed on the back surface of PET (polyethylene terephthalate), the thickness of the corona is 48dyne/cm, a mesh roller reverse coating process is used for coating the organic silicon resin coating on the back surface of a PET substrate, a coating roller used in the mesh roller reverse coating process is 100 meshes, and the thickness of the coating is 0.2g/m2Then, curing by hot air, wherein 3 sections of drying ovens are adopted for curing by hot air, the drying and coating temperatures are respectively 80 ℃, 110 ℃ and 80 ℃, and the air speed is 10 m/s;
step 3, coating a dyeing layer: coating acrylic resin, ultraviolet absorbent and dye on the outer side of the release layer by using a mesh roller reverse coating process, wherein a coating roller used in the mesh roller reverse coating process is 150 meshes, and the thickness of the coating layer is 0.8g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 80 ℃ and 70 ℃, and the air speed is 10 m/s;
step 4, rolling: winding the carbon ribbon coiled material obtained in the step (3);
step 5, slitting and packaging: and cutting and packaging the obtained carbon tape.
Example two
A thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises raw materials including acrylic resin, an ultraviolet absorbent and dye, the mass percentage of the acrylic resin, the ultraviolet absorbent and the dye in the dyeing layer is 100:3:40, and the thickness of the dyeing layer is 1 um; the base material is made of PET (polyethylene terephthalate), and the thickness of the base material is 6 um; the back coating is organic silicon resin, and the thickness of back coating is 0.8 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: firstly, corona is formed on the back surface of PET (polyethylene terephthalate), the thickness of the corona is 52dyne/cm, a mesh roller reverse coating process is used for coating the organic silicon resin coating on the back surface of a PET substrate, a coating roller used in the mesh roller reverse coating process is 180 meshes, and the thickness of the coating is 0.3g/m2Then, curing by hot air, wherein 3 sections of drying ovens are adopted for curing by hot air, the drying and coating temperatures are respectively 80 ℃, 100 ℃, 80 ℃, and the air speed is 12 m/s;
step 3, coating a dyeing layer: coating acrylic resin, ultraviolet absorbent and dye on the outer side of the release layer by using a mesh roller reverse coating process, wherein a coating roller used in the mesh roller reverse coating process is 180 meshes, and the thickness of the coating layer is 0.6g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃ and 70 ℃, and the air speed is 8 m/s;
step 4, rolling: winding the carbon ribbon coiled material obtained in the step (3);
step 5, slitting and packaging: and cutting and packaging the obtained carbon tape.
EXAMPLE III
A thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises raw materials including acrylic resin, an ultraviolet absorbent and dye, the mass percentage of the acrylic resin, the ultraviolet absorbent and the dye in the dyeing layer is 100:2:10, and the thickness of the dyeing layer is 0.8 um; the base material is made of PET (polyethylene terephthalate), and the thickness of the base material is 5 um; the back coating is organic silicon resin, and the thickness of back coating is 0.7 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: firstly, corona is applied to the back surface of PET (polyethylene terephthalate), the thickness of the corona is 50dyne/cm, a mesh roller reverse coating process is used for coating the organic silicon resin coating on the back surface of a PET substrate, a coating roller used in the mesh roller reverse coating process is 250 meshes, and the thickness of the coating is 0.25g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 80 ℃ and 60 ℃, and the air speed is 10 m/s;
step 3, coating a dyeing layer: coating acrylic resin, ultraviolet absorbent and dye on the outer side of the release layer by using a mesh roller reverse coating process, wherein a coating roller used in the mesh roller reverse coating process is 180 meshes, and the thickness of the coating layer is 0.6g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃ and 70 ℃, and the air speed is 8 m/s;
step 4, rolling: winding the carbon ribbon coiled material obtained in the step (3);
step 5, slitting and packaging: and cutting and packaging the obtained carbon tape.
Example four
A thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises raw materials including acrylic resin, an ultraviolet absorbent and dye, the mass percentage of the acrylic resin, the ultraviolet absorbent and the dye in the dyeing layer is 100:2:20, and the thickness of the dyeing layer is 0.9 um; the base material is made of PET (polyethylene terephthalate), and the thickness of the base material is 5 um; the back coating is organic silicon resin, and the thickness of back coating is 0.6 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: firstly, corona is applied to the back surface of PET, the thickness of the corona is 49dyne/cm, a mesh roller reverse coating process is used for coating the organic silicon resin coating on the back surface of a PET substrate,the coating roll used in the reverse coating process of the mesh roll is 225 meshes, and the coating thickness is 0.3g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 100 ℃ and 60 ℃, and the air speed is 12 m/s;
step 3, functional layer coating: coating acrylic resin, ultraviolet absorbent and dye on the outer side of the release layer by using a mesh roller reverse coating process, wherein a coating roller used in the mesh roller reverse coating process is 150 meshes, and the thickness of the coating layer is 0.8g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 120 ℃ and 70 ℃, and the air speed is 10 m/s;
step 4, rolling: winding the carbon ribbon coiled material obtained in the step (3);
step 5, slitting and packaging: and cutting and packaging the obtained carbon tape.
EXAMPLE five
A thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises raw materials including acrylic resin, an ultraviolet absorbent and dye, the mass percentage of the acrylic resin, the ultraviolet absorbent and the dye in the dyeing layer is 100:3:30, and the thickness of the dyeing layer is 0.7 um; the base material is made of PET (polyethylene terephthalate), and the thickness of the base material is 6 um; the back coating is organic silicon resin, and the thickness of back coating is 0.8 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: firstly, corona is applied to the back surface of PET (polyethylene terephthalate), the thickness of the corona is 49dyne/cm, a mesh roller reverse coating process is used for coating the organic silicon resin coating on the back surface of a PET substrate, a coating roller used in the mesh roller reverse coating process is 180 meshes, and the thickness of the coating is 0.28g/m2Then, curing by hot air, wherein 3 sections of drying ovens are adopted for curing by hot air, the drying and coating temperatures are respectively 80 ℃, 100 ℃, 60 ℃, and the air speed is 10 m/s;
step 3, coating a dyeing layer: using a reverse coating process of a mesh roller to coat the acrylic resin and ultravioletThe line absorbent and the dye are coated on the outer side of the release layer, a coating roller used in the reverse coating process of the mesh roller is 130 meshes, and the thickness of the coating layer is 0.95g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 120 ℃ and 70 ℃, and the air speed is 8 m/s;
step 4, rolling: winding the carbon ribbon coiled material obtained in the step (3);
step 5, slitting and packaging: and cutting and packaging the obtained carbon tape.
EXAMPLE six
A thermal transfer ribbon comprising a three-layer structure: the dyeing layer comprises raw materials including acrylic resin, an ultraviolet absorbent and dye, the mass percentage of the acrylic resin, the ultraviolet absorbent and the dye in the dyeing layer is 100:3:30, and the thickness of the dyeing layer is 1 um; the base material is made of PET (polyethylene terephthalate), and the thickness of the base material is 6 um; the back coating is organic silicon resin, and the thickness of back coating is 0.8 um.
A preparation method of a thermal transfer ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: firstly, corona is formed on the back surface of PET (polyethylene terephthalate), the thickness of the corona is 50dyne/cm, a mesh roller reverse coating process is used for coating the organic silicon resin coating on the back surface of a PET substrate, a coating roller used in the mesh roller reverse coating process is 150 meshes, and the thickness of the coating is 0.2g/m2Then, curing by hot air, wherein 3 sections of drying ovens are adopted for curing by hot air, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 60 ℃, and the air speed is 10 m/s;
step 3, functional layer coating: coating acrylic resin, ultraviolet absorbent and dye on the outer side of the release layer by using a mesh roller reverse coating process, wherein a coating roller used in the mesh roller reverse coating process is 100 meshes, and the thickness of the coating layer is 1.1g/m2Then, hot air curing is carried out, wherein 4 sections of drying ovens are adopted for hot air curing, the drying and coating temperatures are respectively 80 ℃, 110 ℃, 120 ℃ and 70 ℃, and the air speed is 8 m/s;
step 4, rolling: winding the carbon ribbon coiled material obtained in the step (3);
step 5, slitting and packaging: and cutting and packaging the obtained carbon tape.
The performances of the carbon bands prepared in examples 1-6 are compared with the performances of two carbon bands A, B (detected according to GBT 28439-:
| ultraviolet resistance | |
| Carbon ribbon A | 18％ |
| B carbon ribbon | 16％ |
| Example 1 | 16％ |
| Example 2 | 18％ |
| Example 3 | 19％ |
| Example 4 | 17％ |
| Example 5 | 18％ |
| Example 6 | 20％ |
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The beneficial effect who adopts above-mentioned scheme is: the thermal transfer ribbon and the preparation method thereof provided by the invention have the advantages that the formula is simple, the working procedures are simplified, the ultraviolet absorber is added into the dyeing layer, the dye can be well prevented from fading, the anti-aging and anti-ultraviolet effects can be achieved, the back of PET is subjected to corona treatment, and the surface tension can be effectively increased.
In the description of the present invention, it should be noted that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used for convenience in describing and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (11)
1. A thermal transfer ribbon, comprising a three-layer structure: the dyeing layer comprises a dyeing layer, a base material and a back coating, wherein the dyeing layer comprises raw materials of acrylic resin, an ultraviolet absorbent and dye; the base material is made of PET material; the back coating is organic silicon resin.
2. The thermal transfer ribbon according to claim 1, wherein the mass percentage of the acrylic resin, the ultraviolet absorber and the dye in the dye layer is 100: 1-3: 1-40.
3. The thermal transfer ribbon of claim 1, wherein the back coating has a thickness of 0.6-0.8 um.
4. The thermal transfer ribbon of claim 1, wherein the substrate has a thickness of 4-6 um.
5. The thermal transfer ribbon of claim 1, wherein the thickness of the dyed layer is 0.6-1 um.
6. The preparation method of the thermal transfer ribbon is characterized by comprising the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the organic silicon resin coating on the back of the PET substrate by using a reverse coating process of a mesh roller, and then curing by hot air;
step 3, coating a dyeing layer: acrylic resin, an ultraviolet absorber and a dye were coated on the outer side of the release layer using a mesh roll reverse coating process, and then cured with hot air.
7. The method for preparing the thermal transfer ribbon as claimed in claim 6, further comprising rolling the ribbon coil obtained in step 3.
8. The method as claimed in claim 6, wherein the coating roll used in the reverse coating process of the web roll in step 2 and step 3 is of 100 mesh and 400 mesh, and the thickness of the coating layer is 0.2-1.5g/m2。
9. The method for preparing the thermal transfer ribbon according to claim 6, wherein the hot air curing in the steps 2 and 3 is performed by using an oven with the length of 3-5 sections, the baking and coating temperature is 70-120 ℃, and the air speed is 3-18 m/s.
10. The method of claim 7, further comprising cutting and packaging the obtained ribbon.
11. The method for preparing the thermal transfer ribbon as claimed in claim 6, wherein the step 2 further comprises applying corona to the back surface of the PET substrate.
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| CN202010230345.1A CN113442611A (en) | 2020-03-27 | 2020-03-27 | Thermal transfer ribbon and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261221A (en) * | 2021-12-07 | 2022-04-01 | 湖南鼎一致远科技发展有限公司 | Thermal sublimation color band for printing reflective mark, preparation method and reflective mark |
| CN114274680A (en) * | 2021-12-23 | 2022-04-05 | 湖南鼎一致远科技发展有限公司 | Resin carbon ribbon for soft label printing and preparation method thereof |
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