CN113442608A - Three-primary-color thermal sublimation imaging color band and preparation method thereof - Google Patents
Three-primary-color thermal sublimation imaging color band and preparation method thereof Download PDFInfo
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- 238000000859 sublimation Methods 0.000 title claims abstract description 45
- 230000008022 sublimation Effects 0.000 title claims abstract description 44
- 238000003384 imaging method Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 124
- 239000011248 coating agent Substances 0.000 claims abstract description 98
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000000020 Nitrocellulose Substances 0.000 claims abstract description 18
- 229920001220 nitrocellulos Polymers 0.000 claims abstract description 18
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 150000002148 esters Chemical class 0.000 claims abstract description 7
- 239000003086 colorant Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 54
- 238000003756 stirring Methods 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 235000021355 Stearic acid Nutrition 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 229920001228 polyisocyanate Polymers 0.000 claims description 10
- 239000005056 polyisocyanate Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 239000008117 stearic acid Substances 0.000 claims description 10
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000000975 dye Substances 0.000 description 23
- 229920000139 polyethylene terephthalate Polymers 0.000 description 19
- 239000005020 polyethylene terephthalate Substances 0.000 description 19
- 238000001035 drying Methods 0.000 description 16
- 238000005520 cutting process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
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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
- 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
- B41J31/08—Ink ribbons having coatings other than impression-material coatings the coatings being superimposed on impression-transfer 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/16—Esters of inorganic acids
- C09D101/18—Cellulose nitrate
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to a three primary colors thermal sublimation imaging color ribbon and a preparation method thereof, wherein the color ribbon consists of three colors of magenta, yellow and cyan, and is composed of a substrate, a back coating, a release layer and a dye layer, wherein the back coating, the release layer and the dye layer are respectively coated on two sides of the substrate, the main component of the back coating is nitrocellulose, the effective component of the release layer is polyvinyl butyral, and the dye layer is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl butyral ester and 1-10 parts of thermal sublimation raw material; the base material is made of PET material and has a thickness of 4-6 um; the thickness of the back coating is 0.6-0.8 um; the thickness of the release layer is 0.1-0.2 um; the thickness of the dye layer is 0.6-1 um. The invention provides a three-primary-color thermal sublimation imaging color band and a preparation method thereof.
Description
Technical Field
The invention relates to the technical field of color ribbon materials and preparation methods thereof, in particular to a three-primary-color thermal sublimation imaging color ribbon and a preparation method thereof.
Background
The thermal sublimation imaging technology is not a new technology and has been used for a long time, but the prior technology adopts template transfer printing, the image resolution is very low, the overprinting precision of different colors is very poor, if the transfer image needs to be changed, the thermoprinting template needs to be engraved again, the method is very troublesome, the period is long, the cost is high, the requirement of people on the high definition of the image at present cannot be met, the patent 200910065511.6 adopts the technology of digital transfer printing, the digital thermal sublimation imaging is realized, but only the digital thermal sublimation imaging can be limited to a single color, and the thermal sublimation imaging of a color image cannot be realized.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the three-primary-color thermal sublimation imaging color band and the preparation method thereof are provided, and the thermal sublimation imaging of images with various colors can be realized without being limited to a single color.
The technical scheme for solving the technical problems is as follows: the three-primary-color thermal sublimation imaging color band is characterized by comprising three colors of magenta, yellow and cyan, wherein each color band consists of a base material, a back coating, an adhesion layer and a dye layer, the back coating, the adhesion layer and the dye layer are respectively coated on two sides of the base material, the main component of the back coating is nitrocellulose, the effective component of the adhesion layer is polyvinyl butyral, and the dye layer is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl butyral ester and 1-10 parts of thermal sublimation raw material;
the base material is made of PET material and has a thickness of 4-6 um; the thickness of the back coating is 0.6-0.8 um; the thickness of the adhesion layer is 0.1-0.2 um; the thickness of the dye layer is 0.6-1 um.
Preferably, the thermal sublimation temperature of the thermal sublimation raw material is between 150 ℃ and 350 ℃.
Preferably, the back coating comprises the following raw materials in parts by weight: 100 parts of nitrocellulose; 1-30 parts of organic silicon plastic; 1-40 parts of stearic acid octyl resin; 1-40 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate.
Preferably, the molecular formula of the magenta color ribbon thermal sublimation raw material is C20H13NO4。
Preferably, the molecular formula of the yellow color ribbon heat sublimation raw materialIs C21H18N4O2。
Preferably, the molecular formula of the cyan color ribbon sublimation material is C22H18N2O2。
Preferably, the preparation method of the back coating comprises the following steps: adding nitrocellulose into a toluene solvent at 50-60 ℃, stirring, weighing an aromatic polyisocyanate prepolymer of organic silicon plastic, stearic acid octyl resin and toluene diisocyanate, adding the weighed prepolymer into a nitrocellulose solution, and stirring.
A preparation method of a three-primary-color thermal sublimation imaging color band comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the back coating paint 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 of an adhesive layer: coating the polyvinyl butyral coating on the front surface of the PET substrate by using a net roller reverse coating process, and then curing by hot air;
step 4, coating a dye layer: and coating the dye layer coating on the outer side of the adhesion layer by using a mesh roller reverse coating process, and then curing by hot air.
Preferably, the method further comprises rolling and cutting packaging, and the color band coiled material obtained in the step 4 is rolled and cut and packaged.
Preferably, the coating roll used in the reverse coating process of the mesh roll in the steps 2, 3 and 4 is 100-400 mesh, and the thickness of the coating layer is 0.2-1.5g/m2(ii) a And 2, 3-5 sections of baking ovens are adopted for hot air curing in the steps 3 and 4, the baking and coating temperature is 70-120 ℃, and the air speed is 3-18 m/s.
The beneficial effect who adopts above-mentioned scheme is: the invention provides a three-primary-color thermal sublimation imaging color band and a preparation method thereof.
Drawings
Fig. 1 is a schematic view of a three primary color thermal sublimation imaging ribbon according to the invention.
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
The magenta thermal sublimation imaging color ribbon is characterized by comprising a base material, a back coating, an adhesion layer and a dye layer, wherein the back coating, the adhesion layer and the dye layer are respectively coated on two sides of the base material, and the back coating comprises the following raw materials in parts by weight: 100 parts of nitrocellulose; 10 parts of organic silicon plastic; 5 parts of stearic acid octyl resin; 10 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate, and the preparation method of the back coating paint comprises the following steps: adding nitrocellulose into a toluene solvent at 50 ℃ and stirring, then weighing an aromatic polyisocyanate prepolymer of organic silicon plastic, stearic acid octyl resin and toluene diisocyanate, adding the weighed prepolymer into the nitrocellulose solution and stirring. The effective component of the following layer is polyvinyl butyral, and the magenta dye layer is prepared from the following raw materials in parts by weight: 100 portions of polyvinyl butyral ester and 10 portions of magenta raw material, the preparation method is dissolving in toluene solvent, stirring and mixing, the molecular formula of magenta is C20H13NO4The thermal sublimation temperature of the thermal sublimation raw material is 200 ℃;
the base material is made of PET (polyethylene terephthalate) and is 4um thick; the thickness of the back coating is 0.6 um; the thickness of the adhesion layer is 0.1 um; the thickness of the dye layer is 0.6 um.
A preparation method of a magenta thermal sublimation imaging color ribbon comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the back coating paint on the back of the PET substrate 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 is 0.2g/m2Then hot air curing is carried out, an oven used for hot air curing is 3 sections, and the baking and coating temperature is divided intoRespectively 80 ℃, 110 ℃, 80 ℃ and the wind speed of 10 m/s;
step 3, coating of an adhesive layer: the polyvinyl butyral coating is coated on the front surface of the PET substrate by using a net roller reverse coating process, a coating roller used in the net roller reverse coating process is 150 meshes, and the thickness of the coating layer 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 ℃, 80 ℃ and 70 ℃, and the air speed is 12 m/s;
step 4, coating a dye layer: coating the magenta dye on the outer side of the subsequent layer by using a mesh roller reverse coating process, wherein the coating roller used in the mesh roller reverse coating process is 150 meshes, and the coating thickness 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 5, rolling: winding the color band coiled material obtained in the step 4;
step 6, slitting and packaging: and cutting and packaging the obtained color band.
Example two
The yellow thermal sublimation imaging color band is characterized by comprising a base material, a back coating, an adhesion layer and a dye layer, wherein the back coating, the adhesion layer and the dye layer are respectively coated on two sides of the base material, and the back coating comprises the following raw materials in parts by weight: 100 parts of nitrocellulose; 30 parts of organic silicon plastic; 10 parts of stearic acid octyl resin; 20 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate, and the preparation method of the back coating comprises the following steps: adding nitrocellulose into a toluene solvent at 60 ℃, stirring, weighing an aromatic polyisocyanate prepolymer of organic silicon plastic, stearic acid octyl resin and toluene diisocyanate, adding the weighed prepolymer into a nitrocellulose solution, and stirring. The effective component of the adhesion layer is polyvinyl butyral, and the yellow dye layer is prepared from the following raw materials in parts by weight: 100 portions of polyvinyl butyral ester and 8 portions of yellow raw material, the preparation method is that the polyvinyl butyral ester and the yellow raw material are dissolved in toluene solvent and are stirred and mixed, and the yellow molecular formula is C21H18N4O2The thermal sublimation temperature of the thermal sublimation raw material is 350 ℃;
the base material is made of PET (polyethylene terephthalate) and has the thickness of 6 um; the thickness of the back coating is 0.8 um; the thickness of the adhesion layer is 0.2 um; the thickness of the dye layer is 1 um.
A preparation method of a yellow thermal sublimation imaging color band comprises the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the back coating paint on the back of the PET substrate by using a reverse coating process of a mesh roller, wherein the coating roller used in the reverse coating process of the mesh roller is 180 meshes, and the coating thickness 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 of an adhesive layer: the polyvinyl butyral coating is coated on the front surface of the PET substrate by using a net roller reverse coating process, a coating roller used in the net roller reverse coating process is 200 meshes, and the thickness of the coating layer is 0.4g/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 ℃, 90 ℃ and 70 ℃, and the air speed is 10 m/s;
step 4, coating a dye layer: coating the dye layer coating on the outer side of the bonding 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 5, rolling: winding the color band coiled material obtained in the step 4;
step 6, slitting and packaging: and cutting and packaging the obtained color band.
EXAMPLE III
The cyan thermal sublimation imaging color band is characterized by comprising a base material, a back coating, an adhesion layer and a dye layer, wherein the back coating, the adhesion layer and the dye layer are respectively coated on two sides of the base material, and the back coating comprises the following raw materials in parts by weight: 100 parts of nitrocellulose; 20 parts of organic silicon plastic; 30 parts of stearic acid octyl resin; 20 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate, and the preparation method of the back coating comprises the following steps: adding nitrocellulose into a toluene solvent at 55 ℃ and stirring, then weighing an aromatic polyisocyanate prepolymer of organic silicon plastic, stearic acid octyl resin and toluene diisocyanate, adding the weighed prepolymer into the nitrocellulose solution and stirring. The effective component of the adhesion layer is polyvinyl butyral, and the cyan dye layer is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl butyral ester and 5 parts of cyan raw material, wherein the molecular formula of cyan is C22H18N2O2The thermal sublimation temperature of the thermal sublimation raw material is 200 ℃;
the base material is made of PET (polyethylene terephthalate) and is 5um thick; the thickness of the back coating is 0.7 um; the thickness of the adhesion layer is 0.15 um; the thickness of the dye layer is 0.8 um.
A method of making a cyan dye-sublimation ribbon, the method comprising:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the back coating paint on the back of the PET substrate 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 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 of an adhesive layer: the polyvinyl butyral coating is coated on the front surface of the PET substrate by using a net roller reverse coating process, a coating roller used in the net roller reverse coating process is 150 meshes, and the thickness of the coating layer 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 ℃, 80 ℃ and 70 ℃, and the air speed is 12 m/s;
step 4, coating a dye layer: coating the dye layer coating on the outer side of the bonding 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 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 5, rolling: winding the color band coiled material obtained in the step 4;
step 6, slitting and packaging: and cutting and packaging the obtained color band.
The beneficial effect who adopts above-mentioned scheme is: the invention provides a three-primary-color thermal sublimation imaging color band and a preparation method thereof.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present 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 (10)
1. The three-primary-color thermal sublimation imaging color band is characterized by comprising three colors of magenta, yellow and cyan, wherein each color band consists of a base material, a back coating, an adhesion layer and a dye layer, the back coating, the adhesion layer and the dye layer are respectively coated on two sides of the base material, the main component of the back coating is nitrocellulose, the effective component of the adhesion layer is polyvinyl butyral, and the dye layer is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl butyral ester and 1-10 parts of thermal sublimation raw material;
the base material is made of PET material and has a thickness of 4-6 um; the thickness of the back coating is 0.6-0.8 um; the thickness of the adhesion layer is 0.1-0.2 um; the thickness of the dye layer is 0.6-1 um.
2. The ribbon of claim 1, wherein the sublimation temperature of the sublimation material is between 150 ℃ and 350 ℃.
3. The ribbon of claim 1, wherein the back coating comprises the following raw materials in parts by weight:
100 portions of nitrocellulose
1-30 parts of organic silicon plastic
1-40 parts of stearic acid octyl resin
1-40 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate.
4. The ribbon of claim 1, wherein the magenta ribbon sublimation material has a formula of C20H13NO4。
5. The ribbon of claim 1, wherein the yellow ribbon sublimation material has a formula of C21H18N4O2。
6. The ribbon of claim 1, wherein the cyan ribbon sublimation material has a formula of C22H18N2O2。
7. The three primary color thermal sublimation imaging ribbon according to claim 3, wherein the back coating layer is prepared by: adding nitrocellulose into a toluene solvent at 50-60 ℃, stirring, weighing an aromatic polyisocyanate prepolymer of organic silicon plastic, stearic acid octyl resin and toluene diisocyanate, adding the weighed prepolymer into a nitrocellulose solution, and stirring.
8. A preparation method of a three-primary-color thermal sublimation imaging color band is characterized by comprising the following steps:
step 1, unwinding a base film: paving a PET base material;
step 2, back coating: coating the back coating paint 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 of an adhesive layer: coating the polyvinyl butyral coating on the front surface of the PET substrate by using a net roller reverse coating process, and then curing by hot air;
step 4, coating a dye layer: and coating the dye layer coating on the outer side of the adhesion layer by using a mesh roller reverse coating process, and then curing by hot air.
9. The method for preparing a three primary color thermal sublimation imaging color band according to claim 8, further comprising rolling and slitting packaging, wherein the color band coil obtained in step 4 is rolled and slit packaged.
10. The method as claimed in claim 8, wherein the coating roll used in the reverse coating process of the screen roll in steps 2, 3 and 4 has a mesh size of 100-400 mesh, and the thickness of the coating layer is 0.2-1.5g/m2(ii) a And 2, 3-5 sections of baking ovens are adopted for hot air curing in the steps 3 and 4, the baking and coating temperature is 70-120 ℃, and the air speed is 3-18 m/s.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114261220A (en) * | 2021-12-23 | 2022-04-01 | 湖南鼎一致远科技发展有限公司 | Thermal transfer printing resin carbon ribbon for various types of base materials and preparation method thereof |
| CN114261222A (en) * | 2021-12-21 | 2022-04-01 | 湖南鼎一致远科技发展有限公司 | Carbon ribbon for increasing applicable base materials of thermal sublimation ribbon and preparation method thereof |
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| CN114055977A (en) * | 2021-10-29 | 2022-02-18 | 湖南鼎一致远科技发展有限公司 | Process method for printing soft label of thermal sublimation color band |
| CN114261222A (en) * | 2021-12-21 | 2022-04-01 | 湖南鼎一致远科技发展有限公司 | Carbon ribbon for increasing applicable base materials of thermal sublimation ribbon and preparation method thereof |
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