CN114068826A - Hole transport layer, color band and preparation method thereof - Google Patents
Hole transport layer, color band and preparation method thereof Download PDFInfo
- Publication number
- CN114068826A CN114068826A CN202010765669.5A CN202010765669A CN114068826A CN 114068826 A CN114068826 A CN 114068826A CN 202010765669 A CN202010765669 A CN 202010765669A CN 114068826 A CN114068826 A CN 114068826A
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- hole transport
- transport layer
- parts
- back coating
- pet film
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- 230000005525 hole transport Effects 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title abstract description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 32
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims description 53
- 238000000576 coating method Methods 0.000 claims description 53
- 229920002799 BoPET Polymers 0.000 claims description 30
- 239000000020 Nitrocellulose Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 229920001220 nitrocellulos Polymers 0.000 claims description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920001228 polyisocyanate Polymers 0.000 claims description 6
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000008117 stearic acid Substances 0.000 claims description 6
- 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 6
- PDZKZMQQDCHTNF-UHFFFAOYSA-M copper(1+);thiocyanate Chemical compound [Cu+].[S-]C#N PDZKZMQQDCHTNF-UHFFFAOYSA-M 0.000 claims description 3
- 150000007857 hydrazones Chemical class 0.000 claims description 3
- 229910010272 inorganic material Inorganic materials 0.000 claims description 3
- 239000011147 inorganic material Substances 0.000 claims description 3
- 229910052960 marcasite Inorganic materials 0.000 claims description 3
- 229920000548 poly(silane) polymer Polymers 0.000 claims description 3
- 229920000123 polythiophene Polymers 0.000 claims description 3
- 229910052683 pyrite Inorganic materials 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 125000005259 triarylamine group Chemical group 0.000 claims description 3
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 150000004961 triphenylmethanes Chemical class 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 35
- 239000000306 component Substances 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
The invention relates to a hole transport layer, a color ribbon and a preparation method thereof, wherein the hole transport layer comprises the following components in parts by weight: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of hole transport material. The hole transport layer, the color ribbon and the preparation method thereof provided by the invention can meet the requirements of the hole transport layer on materials, and the used raw materials have the advantages of simple formula components, low cost and small environmental pollution, can meet the printing requirements of a thermal transfer printer, and are pollution-free and free of waste in the printing process.
Description
Technical Field
The invention relates to the technical field of cavity layer formulas in thermal transfer ribbons and ribbon preparation methods, in particular to a cavity transport layer, a ribbon and a preparation method thereof.
Background
The organic electroluminescence refers to a phenomenon that a thin film device prepared from an organic photoelectric functional material emits light under the excitation action of an electric field.
The organic electroluminescent material is a core component of an organic electroluminescent device, and the thermal stability, photochemical stability, quantum efficiency, film forming property, crystallinity and the like of the material have great influence on the manufacture of the device.
In organic electroluminescent materials, the requirements for hole transport materials are relatively high, and the hole transport materials need to satisfy: the material has good hole transmission characteristics, namely high hole mobility; the material has lower electron affinity and is beneficial to hole injection; the excitation energy is higher than that of the light-emitting layer; the ability to form an exciplex with the light-emitting layer; has good film forming property, higher glass transition temperature and good thermal stability, can form a compact film by a vacuum evaporation method, and is not easy to crystallize.
Therefore, the formulation of hole transport materials is a current problem.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the hole transport layer, the color ribbon and the preparation method thereof are provided, the formula process is simple, and the requirement of thermal transfer printing can be met.
The technical scheme for solving the technical problems is as follows: a hole transport layer comprises the following components in parts by weight: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of hole transport material.
Preferably, the hole transport material is an inorganic material selected from FeS2One or more of CuSCN, NiO and CuI.
Preferably, the hole transport material is an organic small molecule selected from one or more of triphenylmethane, triarylamine and hydrazone.
Preferably, the hole transport material is a polymer selected from one or more of the group consisting of poly-phenylenes, polythiophenes and polysilanes.
Preferably, the hole transport material is titanium dioxide.
A color band comprises the hole transport layer, the PET film and the back coating.
Preferably, the back coating comprises the following effective components in parts by mass: 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.
A method for preparing a ribbon comprising the steps of:
s1, coating the back coating solution on the PET film by using a 3# wire bar, and putting the PET film into an oven, wherein the temperature of the oven is 100-130 ℃, and the standing time is 3-5 min;
s2, coating the hole transport layer solution on the other side of the PET film by using a 3# wire rod, and placing the PET film into an oven, wherein the temperature of the oven is 100-130 ℃, and the standing time is 3-5 min.
Preferably, the method also comprises preparing a back coating solution and preparing the backThe solvent used in the coating solution is toluene, and the back coating formed by the back coating solution has a thickness of 0.2-0.6g/m2。
Preferably, the method further comprises preparing a hole transport layer solution, wherein the concentration of the hole transport layer solution is 0.5-5mol/L, and 2mol/L is preferred.
The beneficial effect who adopts above-mentioned scheme is: the hole transport layer, the color ribbon and the preparation method thereof provided by the invention can meet the requirements of the hole transport layer on materials, and the used raw materials have the advantages of simple formula components, low cost and small environmental pollution, can meet the printing requirements of a thermal transfer printer, and are pollution-free and free of waste in the printing process.
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 hole transport layer comprising the following components: PVC resin, butanone, toluene and a hole transport material, wherein the components in parts by weight are as follows: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of hole transport material, wherein the hole transport material is an inorganic material selected from FeS2One or more of CuSCN, NiO and CuI. The PVC resin is under the brand name DRL-K50.
The color band comprises the hole transport layer, a PET film and a back coating, wherein the back coating comprises the following effective components in parts by mass: 100 parts of nitrocellulose; 30 parts of organic silicon plastic; 40 parts of stearic acid octyl resin; 40 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate.
A method for preparing a ribbon comprising the steps of:
s1, preparing a back coating solution, wherein the solvent used for preparing the back coating solution is toluene, and the thickness of a back coating formed by the back coating solution is 0.6g/m2；
S2, preparing a hole transport layer solution, wherein the concentration of the hole transport layer solution is 5 mol/L.
S3, coating the back coating solution on the PET film by using a 3# wire bar, and putting the PET film into an oven, wherein the oven temperature is 130 ℃, and the standing time is 5 min;
s4, coating the hole transport layer solution on the other surface of the PET film by a 3# wire rod, and placing the PET film into an oven, wherein the oven temperature is 130 ℃, and the standing time is 5 min.
Example two
A hole transport layer comprises the following components in parts by weight: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of hole transport material, wherein the hole transport material is organic micromolecule and is selected from one or more of triphenylmethane, triarylamine and hydrazone.
The color band comprises the hole transport layer, a PET film and a back coating, wherein the back coating comprises the following effective components in parts by mass: 100 parts of nitrocellulose; 1 part of organic silicon plastic; 1 part of stearic acid octyl resin; 1 part of aromatic polyisocyanate prepolymer of toluene diisocyanate.
A method for preparing a ribbon comprising the steps of:
s1, preparing a back coating solution, wherein the solvent used for preparing the back coating solution is toluene, and the thickness of a back coating formed by the back coating solution is 0.2g/m2；
S2, preparing a hole transport layer solution, wherein the concentration of the hole transport layer solution is 0.5 mol/L.
S3, coating the back coating solution on the PET film by using a 3# wire bar, and putting the PET film into an oven, wherein the temperature of the oven is 100 ℃, and the standing time is 3 min;
s4, coating the hole transport layer solution on the other surface of the PET film by a 3# wire rod, and placing the PET film into an oven, wherein the oven temperature is 100 ℃, and the standing time is 3 min.
EXAMPLE III
A hole transport layer comprises the following components in parts by weight: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of hole transport material, wherein the hole transport material is one or more of poly-p-phenylenes, polythiophenes and polysilanes.
The color band comprises the hole transport layer, a PET film and a back coating, wherein the back coating comprises the following effective components in parts by mass: 100 parts of nitrocellulose; 20 parts of organic silicon plastic; 20 parts of stearic acid octyl resin; 20 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate.
A method for preparing a ribbon comprising the steps of:
s1, preparing a back coating solution, wherein the solvent used for preparing the back coating solution is toluene, and the thickness of a back coating formed by the back coating solution is 0.4g/m2；
S2, preparing a hole transport layer solution, wherein the concentration of the hole transport layer solution is 2 mol/L.
S3, coating the back coating solution on the PET film by using a 3# wire bar, and putting the PET film into an oven, wherein the temperature of the oven is 120 ℃, and the standing time is 4 min;
s4, coating the hole transport layer solution on the other surface of the PET film by a 3# wire rod, and placing the PET film into an oven, wherein the oven temperature is 120 ℃, and the standing time is 4 min.
Example four
A hole transport layer comprises the following components in parts by weight: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of a hole transport material, wherein the hole transport material is titanium dioxide.
The color band comprises the hole transport layer, a PET film and a back coating, wherein the back coating comprises the following effective components in parts by mass: 100 parts of nitrocellulose; 30 parts of organic silicon plastic; 20 parts of stearic acid octyl resin; 20 parts of aromatic polyisocyanate prepolymer of toluene diisocyanate.
A method for preparing a ribbon comprising the steps of:
s1, preparing a back coating solution, wherein the solvent used for preparing the back coating solution is toluene, and the thickness of a back coating formed by the back coating solution is 0.5g/m2；
S2, preparing a hole transport layer solution, wherein the concentration of the hole transport layer solution is 2 mol/L.
S3, coating the back coating solution on the PET film by using a 3# wire bar, and putting the PET film into an oven, wherein the temperature of the oven is 110 ℃, and the standing time is 5 min;
s4, coating the hole transport layer solution on the other surface of the PET film by a 3# wire rod, and placing the PET film into an oven, wherein the oven temperature is 110 ℃, and the standing time is 4 min.
The beneficial effect who adopts above-mentioned scheme is: the hole transport layer, the color ribbon and the preparation method thereof provided by the invention can meet the requirements of the hole transport layer on materials, and the used raw materials have the advantages of simple formula components, low cost and small environmental pollution, can meet the printing requirements of a thermal transfer printer, and are pollution-free and free of waste in the printing process.
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 and positional relationships, and are only used for convenience in describing and simplifying the present invention, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 hole transport layer is characterized by comprising the following components in parts by weight: 20% of PVC resin, 30% of butanone, 30% of toluene and 20% of hole transport material.
2. The hole transport layer of claim 1, wherein the hole transport material is an inorganic material selected from the group consisting of FeS2One or more of CuSCN, NiO and CuI.
3. The hole transport layer of claim 1, wherein the hole transport material is a small organic molecule selected from one or more of triphenylmethanes, triarylamines, and hydrazones.
4. The hole transport layer of claim 1, wherein the hole transport material is a polymer selected from one or more of the group consisting of poly (p-phenylenes), polythiophenes, and polysilanes.
5. The hole transport layer of claim 1, wherein the hole transport material is titanium dioxide.
6. A color tape comprising the hole transport layer according to any one of claims 1 to 5, a PET film, and a back coat layer.
7. The ribbon according to claim 6, wherein the back coating comprises the following effective components in parts by mass: 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.
8. A method for preparing a color ribbon is characterized by comprising the following steps:
s1, coating the back coating solution on the PET film by using a 3# wire bar, and putting the PET film into an oven, wherein the temperature of the oven is 100-130 ℃, and the standing time is 3-5 min;
s2, coating the hole transport layer solution on the other side of the PET film by using a 3# wire rod, and placing the PET film into an oven, wherein the temperature of the oven is 100-130 ℃, and the standing time is 3-5 min.
9. The method of claim 8, further comprising preparing a back coating solution, wherein the back coating solution is prepared using toluene as a solvent, and the back coating solution forms a back coating having a thickness of 0.2-0.6g/m2。
10. A method of forming a ribbon according to claim 8, further comprising preparing a hole transport layer solution having a concentration of 0.5 to 5mol/L, preferably 2 mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765669.5A CN114068826A (en) | 2020-08-03 | 2020-08-03 | Hole transport layer, color band and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765669.5A CN114068826A (en) | 2020-08-03 | 2020-08-03 | Hole transport layer, color band and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114068826A true CN114068826A (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010765669.5A Pending CN114068826A (en) | 2020-08-03 | 2020-08-03 | Hole transport layer, color band and preparation method thereof |
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| JP2006113530A (en) * | 2004-09-14 | 2006-04-27 | Fuji Photo Film Co Ltd | Optical writing element |
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