CN111393831B - Temperature-resistant lettering film and preparation method thereof - Google Patents
Temperature-resistant lettering film and preparation method thereof Download PDFInfo
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- CN111393831B CN111393831B CN202010298559.2A CN202010298559A CN111393831B CN 111393831 B CN111393831 B CN 111393831B CN 202010298559 A CN202010298559 A CN 202010298559A CN 111393831 B CN111393831 B CN 111393831B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of 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; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
Abstract
The invention provides a temperature-resistant lettering film and a preparation method thereof, wherein the temperature-resistant lettering film comprises the following raw materials in parts by weight: 90-100 parts of TPU particles, 10-30 parts of methyl vinyl silicone rubber, 5-15 parts of polyethylene terephthalate, 0.1-5.0 parts of processing lubricant, 0.1-5.0 parts of antioxidant and 0.1-5.0 parts of anti-UV agent. Has higher heat resistance and improves the temperature resistance of the lettering film. The lettering film has stable quality, is green and environment-friendly, has good wear resistance, high temperature resistance and bending resistance, has excellent stability and surface effect in the production process, and has very good lettering effect on the surface.
Description
Technical Field
The invention belongs to the technical field of polymer materials, and relates to a temperature-resistant lettering film and a preparation method thereof.
Background
With the improvement of living standard of people, people are pursuing higher and higher enzymes, and especially people expect to obtain better visual effect and good touch feeling by showing different pattern styles on daily necessities such as clothes, shoes, gloves, hats and the like.
In the prior art, patterns are mostly obtained through a silk screen printing mode, but the production efficiency is low, the defective products are high, the requirements on production sites are high, the technical requirements on workers are high, heat transfer printing is a process which is more novel than the silk screen printing mode and is used for making the patterns on cloth or textiles, most of lettering films sold on the market are lettering films made of TPU materials, but the heat transfer printing lettering films made of the TPU materials sold on the market are stiff in hand feeling, poor in softness, poor in weather resistance, easy to air under sunlight, easy to yellow, attractive in appearance and short in service life, and the heat transfer printing lettering films made of the TPU materials are particularly easy to yellow.
Therefore, in the art, a marking film which is resistant to abrasion, weather, bending and flexing and is stable and not prone to yellowing is desired.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims at a temperature-resistant lettering film and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
on one hand, the invention provides a temperature-resistant lettering film, which is prepared from the following raw materials in parts by weight:
according to the invention, through the cooperation of the TPU particles, the methyl vinyl silicone rubber and the polyethylene terephthalate, the TPU material has higher heat resistance, and the heat resistance of the lettering film is improved.
In the present invention, the TPU particles may be used in an amount of 90 parts by weight, 91 parts by weight, 92 parts by weight, 93 parts by weight, 94 parts by weight, 95 parts by weight, 96 parts by weight, 97 parts by weight, 98 parts by weight, 99 parts by weight, or 100 parts by weight in the starting material for producing the temperature-resistant lettering film.
In the present invention, the methyl vinyl silicone rubber may be used in an amount of 10 parts by weight, 12 parts by weight, 15 parts by weight, 17 parts by weight, 19 parts by weight, 20 parts by weight, 22 parts by weight, 24 parts by weight, 26 parts by weight, 28 parts by weight, or 30 parts by weight in the raw material for producing the temperature-resistant lettering film.
In the present invention, the polyethylene terephthalate may be used in an amount of 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, 10 parts by weight, 11 parts by weight, 12 parts by weight, 13 parts by weight, 14 parts by weight, or 15 parts by weight in the raw material for producing the temperature-resistant lettering film.
In the present invention, the processing slip agent may be used in an amount of 0.1 parts by weight, 0.5 parts by weight, 0.8 parts by weight, 1 part by weight, 1.3 parts by weight, 1.5 parts by weight, 1.8 parts by weight, 2 parts by weight, 2.3 parts by weight, 2.5 parts by weight, 2.8 parts by weight, 3 parts by weight, 3.5 parts by weight, 3.8 parts by weight, 4 parts by weight, 4.5 parts by weight, 4.8 parts by weight, or 5 parts by weight in the raw material for producing the temperature-resistant lettering film.
In the present invention, in the raw material for preparing the temperature-resistant lettering film, the antioxidant may be used in an amount of 0.1 parts by weight, 0.5 parts by weight, 0.8 parts by weight, 1 part by weight, 1.3 parts by weight, 1.5 parts by weight, 1.8 parts by weight, 2 parts by weight, 2.3 parts by weight, 2.5 parts by weight, 2.8 parts by weight, 3 parts by weight, 3.5 parts by weight, 3.8 parts by weight, 4 parts by weight, 4.5 parts by weight, 4.8 parts by weight, or 5 parts by weight.
In the present invention, the UV inhibitor may be used in an amount of 0.1 parts by weight, 0.5 parts by weight, 0.8 parts by weight, 1 part by weight, 1.3 parts by weight, 1.5 parts by weight, 1.8 parts by weight, 2 parts by weight, 2.3 parts by weight, 2.5 parts by weight, 2.8 parts by weight, 3 parts by weight, 3.5 parts by weight, 3.8 parts by weight, 4 parts by weight, 4.5 parts by weight, 4.8 parts by weight, or 5 parts by weight in the raw material for preparing the temperature-resistant lettering film.
Preferably, the preparation raw material of the TPU granules comprises the following components in parts by weight:
in the present invention, the diisocyanate may be used in an amount of 15 parts by weight, 16 parts by weight, 17 parts by weight, 18 parts by weight, 19 parts by weight, 20 parts by weight, 21 parts by weight, 22 parts by weight, 23 parts by weight, 24 parts by weight, 25 parts by weight, 26 parts by weight, 27 parts by weight, 28 parts by weight, 29 parts by weight or 30 parts by weight in the starting material for the preparation of the TPU particles.
Preferably, the diisocyanate is any one of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate or hexamethylene diisocyanate or a combination of at least two of them.
In the present invention, the polyester polyol may be used in an amount of 30 parts by weight, 32 parts by weight, 34 parts by weight, 36 parts by weight, 38 parts by weight, 40 parts by weight, 42 parts by weight, 44 parts by weight, 46 parts by weight, 48 parts by weight or 50 parts by weight in the starting material for preparing the TPU particles.
Preferably, the polyester polyol is any one of or a combination of at least two of polyethylene adipate glycol, polyethylene adipate glycol-1, 2-propylene glycol, polyethylene adipate glycol-1, 4-butylene glycol or polyethylene adipate 1, 4-butylene glycol.
Preferably, the polyester polyol has a number average molecular weight of 1000-.
In the present invention, the chain extender may be used in an amount of 1 part by weight, 2 parts by weight, 3 parts by weight, 4 parts by weight, 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, or 10 parts by weight in the preparation raw material of the TPU particles.
In the invention, in the preparation raw material of the TPU granules, the chain extender is any one or a combination of at least two of 1, 3-propylene glycol, 2-methyl-1, 3-propylene glycol, 1, 4-butanediol or 1, 3-butanediol.
In the present invention, the catalyst may be used in an amount of 3 parts by weight, 3.3 parts by weight, 3.5 parts by weight, 3.8 parts by weight, 4 parts by weight, 4.2 parts by weight, 4.5 parts by weight, 4.8 parts by weight, or 5 parts by weight in the starting material for the preparation of the TPU particles.
Preferably, the catalyst is any one or a combination of at least two of organic bismuth, organic tin or titanate catalyst.
In the present invention, the amount of white carbon black used in the preparation raw material of the TPU particle may be 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, 10 parts by weight, 11 parts by weight, 12 parts by weight, 13 parts by weight, 14 parts by weight, or 15 parts by weight.
In the present invention, the amount of montmorillonite used in the preparation raw material of the TPU particle may be 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, 10 parts by weight, 11 parts by weight, 12 parts by weight, 13 parts by weight, 14 parts by weight, or 15 parts by weight.
In the present invention, the antioxidant may be used in an amount of 1 part by weight, 2 parts by weight, 3 parts by weight, 4 parts by weight, 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, or 10 parts by weight in the preparation raw material of the TPU particles.
Preferably, the antioxidant is one or a mixture of at least two of antioxidant 1010, antioxidant 1076, antioxidant 264, antioxidant TPP or antioxidant TNP.
Preferably, the polyethylene terephthalate has a number average molecular weight of 2000-.
Preferably, the processing lubricant is any one or a combination of at least two of calcium stearate, magnesium stearate, zinc stearate or barium stearate.
Preferably, the anti-UV agent includes any one of a salicylate-based anti-UV agent, a benzophenone-based anti-UV agent, a benzotriazole-based anti-UV agent, a substituted acrylonitrile-based anti-UV agent, a triazine-based anti-UV agent, or a hindered amine-based anti-UV agent, or a combination of at least two thereof.
In another aspect, the present invention provides a method for preparing a heat-resistant lettering film as described above, comprising the steps of:
and uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying and extruding to obtain the temperature-resistant lettering film.
Preferably, the drying is done in a desiccant dryer for 4-6h, such as 4h, 4.3h, 4.5h, 4.8h, 5h, 5.3h, 5.5h, 5.8h or 6 h.
Preferably, the drying temperature is 85-100 ℃, such as 85 ℃, 88 ℃, 90 ℃, 93 ℃, 95 ℃, 98 ℃ or 100 ℃.
Preferably, after the extrusion, mirror surface pressing, cooling, edge cutting, pressing and rolling are carried out to obtain the temperature-resistant lettering film.
Preferably, the TPU particles are made by the process of:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting, extruding, granulating, and vacuum drying to obtain the TPU granules.
Preferably, the temperature of the reaction described in step C is 70-100 ℃, such as 70 ℃, 75 ℃, 78 ℃, 80 ℃, 82 ℃, 85 ℃, 88 ℃, 90 ℃, 92 ℃, 95 ℃, 98 ℃ or 100 ℃.
Preferably, the reaction time in step C is 2-10h, such as 2h, 2.5h, 3h, 3.5h, 4h, 4.5h, 5h, 6h, 7h, 8h, 9h or 10 h.
Preferably, the temperature of the extrusion in step C is 150 ℃ to 200 ℃, such as 150 ℃, 155 ℃, 158 ℃, 160 ℃, 165 ℃, 168 ℃, 170 ℃, 175 ℃, 178 ℃, 180 ℃, 185 ℃, 188 ℃, 190 ℃, 195 ℃, 198 ℃ or 200 ℃.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the cooperation of the TPU particles, the methyl vinyl silicone rubber and the polyethylene terephthalate, the TPU material has higher heat resistance, and the heat resistance of the lettering film is improved. The lettering film has stable quality, is green and environment-friendly, has good wear resistance, high temperature resistance and bending resistance, has excellent stability and surface effect in the production process, and has very good lettering effect on the surface.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments.
Example 1
In this embodiment, a temperature-resistant lettering film is provided, and a preparation raw material of the temperature-resistant lettering film comprises the following components in parts by weight:
the TPU granules are prepared from the following raw materials in parts by weight:
the preparation method of the temperature-resistant lettering film comprises the following steps:
(1) preparation of TPU granules:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting at 80 ℃ for 5 hours, extruding at 160 ℃, granulating, and drying in vacuum to obtain the TPU granules.
(2) Uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying for 6 hours at 85 ℃ in a dehumidification dryer, extruding, performing mirror surface opposite pressing, cooling, trimming, pressurizing and rolling to obtain the temperature-resistant lettering film.
Example 2
In this embodiment, a temperature-resistant lettering film is provided, and a preparation raw material of the temperature-resistant lettering film comprises the following components in parts by weight:
the TPU granules are prepared from the following raw materials in parts by weight:
the preparation method of the temperature-resistant lettering film comprises the following steps:
(1) preparation of TPU granules:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting at 70 ℃ for 10 hours, extruding at 150 ℃, granulating, and drying in vacuum to obtain the TPU granules.
(2) Uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying for 5 hours at 90 ℃ in a dehumidifying dryer, extruding, performing mirror surface opposite pressing, cooling, trimming, pressurizing and rolling to obtain the temperature-resistant lettering film.
Example 3
In this embodiment, a temperature-resistant lettering film is provided, and a preparation raw material of the temperature-resistant lettering film comprises the following components in parts by weight:
the TPU granules are prepared from the following raw materials in parts by weight:
the preparation method of the temperature-resistant lettering film comprises the following steps:
(1) preparation of TPU granules:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting for 2 hours at 100 ℃, extruding at 180 ℃, granulating, and drying in vacuum to obtain the TPU granules.
(2) Uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying for 4 hours at 100 ℃ in a dehumidification dryer, extruding, pressing a mirror surface, cooling, trimming, pressing and rolling to obtain the temperature-resistant lettering film.
Example 4
In this embodiment, a temperature-resistant lettering film is provided, and a preparation raw material of the temperature-resistant lettering film comprises the following components in parts by weight:
the TPU granules are prepared from the following raw materials in parts by weight:
the preparation method of the temperature-resistant lettering film comprises the following steps:
(1) preparation of TPU granules:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting at 90 ℃ for 4 hours, extruding at 200 ℃, granulating, and drying in vacuum to obtain the TPU granules.
(2) Uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying for 5 hours at 95 ℃ in a dehumidifying dryer, extruding, performing mirror surface opposite pressing, cooling, trimming, pressurizing and rolling to obtain the temperature-resistant lettering film.
Example 5
In this embodiment, a temperature-resistant lettering film is provided, and a preparation raw material of the temperature-resistant lettering film comprises the following components in parts by weight:
the TPU granules are prepared from the following raw materials in parts by weight:
the preparation method of the temperature-resistant lettering film comprises the following steps:
(1) preparation of TPU granules:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting at 80 ℃ for 6 hours, extruding at 170 ℃, granulating, and drying in vacuum to obtain the TPU granules.
(2) Uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying for 4 hours at 85 ℃ in a dehumidification dryer, extruding, pressing a mirror surface, cooling, trimming, pressing and rolling to obtain the temperature-resistant lettering film.
Comparative example 1
This comparative example is different from example 1 only in that methyl vinyl silicone rubber was not included in the raw materials for preparing the temperature-resistant lettering film, and polyethylene terephthalate was used in an amount of 23 parts by weight.
Comparative example 2
This comparative example is different from example 1 only in that the polyethylene terephthalate was not included in the raw materials for preparing the temperature-resistant lettering film, and the amount of the methyl vinyl silicone rubber was 23 parts by weight.
Comparative example 3
This comparative example is different from example 1 only in that the amount of the methyl vinyl silicone rubber used in the raw material for the production of the temperature-resistant letter-marking film was 5 parts by weight.
Comparative example 4
This comparative example is different from example 1 only in that the amount of the methyl vinyl silicone rubber used in the raw material for the production of the temperature-resistant letter-marking film was 40 parts by weight.
Comparative example 5
This comparative example is different from example 1 only in that the amount of polyethylene terephthalate used in the raw material for the production of the temperature-resistant letter-marking film was 1 part by weight.
Comparative example 6
This comparative example is different from example 1 only in that the amount of polyethylene terephthalate used in the raw material for the production of the temperature-resistant letter-marking film was 20 parts by weight.
The above examples 1 to 5 and comparative examples 1 to 6 were subjected to the following tests for tensile strength, tear strength, weather resistance, water resistance and the like:
tensile strength: GB/T34220-
Tear strength: GB/T529-2008;
weather resistance: the time for yellowing and the separation of the lettering film can not occur when the lettering film is exposed to sunlight at 30-38 ℃.
The water washing resistance test comprises the following specific steps: and (3) placing the test sample in a washing machine with warm water at 40 ℃, adding washing powder, washing with water at the speed of 30 min/time, and testing the washing bearing times of the carving film of the sample under the condition of falling off or interlayer separation.
The test results are shown in table 1.
The test results in table 1 show that the marking film of the present invention has good stability, good temperature resistance, stable quality of the marking film, and is not easy to fall off or separate from the layers, and is not easy to yellow.
The applicant states that the present invention is illustrated by the above examples of the heat-resistant inscription film and the method for manufacturing the same, but the present invention is not limited to the above examples, i.e., it is not meant that the present invention must be practiced by relying on the above examples. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (13)
1. The temperature-resistant lettering film is characterized in that the temperature-resistant lettering film is prepared from the following raw materials in parts by weight:
90-100 parts by weight of TPU granules
10-30 parts of methyl vinyl silicone rubber
5-15 parts of polyethylene terephthalate
0.1-5.0 parts by weight of processing lubricant
0.1 to 5.0 parts by weight of antioxidant
0.1-5.0 parts by weight of an anti-UV agent;
the TPU granules are prepared from the following raw materials in parts by weight:
15-30 parts of diisocyanate
30-50 parts of polyester polyol
1-10 parts by weight of chain extender
3-5 parts of catalyst
5-15 parts of white carbon black
Montmorillonite 5-15 weight portions
1-10 parts of antioxidant;
the diisocyanate is any one or the combination of at least two of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate or hexamethylene diisocyanate;
the number average molecular weight of the polyester polyol is 1000-;
the chain extender is any one or the combination of at least two of 1, 3-propylene glycol, 2-methyl-1, 3-propylene glycol, 1, 4-butanediol or 1, 3-butanediol;
the antioxidant is one or a mixture of at least two of antioxidant 1010, antioxidant 1076, antioxidant 264, antioxidant TPP or antioxidant TNP;
the number average molecular weight of the polyethylene terephthalate is 2000-8000.
2. The temperature-resistant lettering film of claim 1, wherein the polyester polyol is any one of or a combination of at least two of polyethylene adipate glycol, polyethylene adipate glycol-1, 2-propylene glycol, polyethylene adipate glycol-1, 4-butylene glycol, or polyethylene adipate 1, 4-butylene glycol.
3. The temperature-resistant lettering film as recited in claim 1, wherein said catalyst is any one or a combination of at least two of organobismuth, organotin or titanate-based catalysts.
4. The temperature-resistant lettering film as claimed in claim 1, wherein the processing lubricant is any one or a combination of at least two of calcium stearate, magnesium stearate, zinc stearate or barium stearate.
5. The temperature-resistant lettering film as recited in claim 1, wherein said UV resistant agent comprises any one or a combination of at least two of a salicylate-based UV resistant agent, a benzophenone-based UV resistant agent, a benzotriazole-based UV resistant agent, a substituted acrylonitrile-based UV resistant agent, a triazine-based UV resistant agent or a hindered amine-based UV resistant agent.
6. The method for preparing a heat-resistant lettering film according to any one of claims 1 to 5, wherein the method is: and uniformly mixing TPU particles, methyl vinyl silicone rubber, polyethylene terephthalate, a processing lubricant, an antioxidant and an anti-UV agent, drying and extruding to obtain the temperature-resistant lettering film.
7. The method of claim 6, wherein the drying is performed in a desiccant dryer for 4-6 hours.
8. The method according to claim 6, wherein the drying temperature is 85 to 100 ℃.
9. The preparation method according to claim 6, wherein after the extrusion, the temperature-resistant lettering film is obtained by mirror pressing, cooling, edge cutting, pressure rolling.
10. The process of claim 6, wherein the TPU particles are prepared by:
A. adding white carbon black, montmorillonite and an antioxidant into polyester polyol, and uniformly mixing to obtain a first mixture;
B. adding a catalyst into the chain extender, and uniformly mixing to obtain a second mixture;
C. mixing diisocyanate with the first mixture and the second mixture, reacting, extruding, granulating, and vacuum drying to obtain the TPU granules.
11. The method according to claim 10, wherein the temperature of the reaction in the step C is 70 to 100 ℃.
12. The method according to claim 10, wherein the reaction time in step C is 2 to 10 hours.
13. The method of claim 10, wherein the temperature of the extrusion in step C is 150 ℃ to 200 ℃.
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| CN202010298559.2A CN111393831B (en) | 2020-04-16 | 2020-04-16 | Temperature-resistant lettering film and preparation method thereof |
| PCT/CN2020/140461 WO2021208506A1 (en) | 2020-04-16 | 2020-12-29 | Temperature-resistant lettering film and preparation method therefor |
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| CN202010298559.2A CN111393831B (en) | 2020-04-16 | 2020-04-16 | Temperature-resistant lettering film and preparation method thereof |
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| CN114605813A (en) * | 2022-03-29 | 2022-06-10 | 广东汇齐新材料有限公司 | Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof |
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|---|---|---|---|---|
| US2647848A (en) * | 1950-04-10 | 1953-08-04 | Minnesota Mining & Mfg | Lettering film |
| TW200944368A (en) * | 2008-04-25 | 2009-11-01 | Ginkgo Film Coating Technology Corp | Metal transfer printing film |
| CN102924793B (en) * | 2012-11-22 | 2014-03-12 | 深圳市森日有机硅材料有限公司 | Siloxane-modified thermoplastic material and preparation method thereof |
| CN103334338A (en) * | 2013-06-06 | 2013-10-02 | 李玉龙 | Method for glazing specular gloss on paper surfaces |
| JP6484951B2 (en) * | 2014-08-04 | 2019-03-20 | 横浜ゴム株式会社 | Pneumatic tire |
| CN107345125A (en) * | 2016-05-05 | 2017-11-14 | 全斯福新材料（苏州）有限公司 | Dual-purpose transfer film |
| TWI598235B (en) * | 2016-10-04 | 2017-09-11 | ming-xian Yao | With the effect of the lettering film |
| CN106903596B (en) * | 2017-01-23 | 2018-06-19 | 安徽禾臣新材料有限公司 | TFT attenuated polishing absorption layers |
| CN107141774B (en) * | 2017-06-28 | 2019-12-31 | 福州大学 | High-transparency polyether type double-mirror-surface TPU film |
| CN107892809B (en) * | 2017-12-07 | 2020-09-08 | 福建新力元反光材料有限公司 | Scratch-resistant grain lettering film and manufacturing method thereof |
| CN108129831A (en) * | 2018-01-23 | 2018-06-08 | 福州大学 | Smooth TPU film in a kind of food grade polyester type bimirror face and preparation method thereof |
| CN108690515B (en) * | 2018-04-13 | 2021-02-19 | 卢汉军 | High-elasticity silicone rubber lettering film and preparation method thereof |
| TWI720328B (en) * | 2018-07-16 | 2021-03-01 | 勤倫有限公司 | Lettering film capable of being pasted repeatedly and its preparation method |
| CN108912825A (en) * | 2018-08-22 | 2018-11-30 | 湖北宏裕新型包材股份有限公司 | A kind of intaglio printing ink and the application in plastic film intaglio printing |
| CN109536055B (en) * | 2018-12-06 | 2021-06-04 | 福建中裕新材料技术有限公司 | Lettering film and preparation method thereof |
| CN110774790A (en) * | 2019-09-29 | 2020-02-11 | 江苏学泰印务有限公司 | Antibacterial corrosion-resistant heat transfer printing film and production process thereof |
| CN110922620B (en) * | 2019-11-13 | 2022-06-17 | 东莞市雄林新材料科技股份有限公司 | High-elasticity blocking TPU film and preparation method thereof |
| CN111393831B (en) * | 2020-04-16 | 2021-07-20 | 东莞市雄林新材料科技股份有限公司 | Temperature-resistant lettering film and preparation method thereof |
-
2020
- 2020-04-16 CN CN202010298559.2A patent/CN111393831B/en active Active
- 2020-12-29 WO PCT/CN2020/140461 patent/WO2021208506A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN111393831A (en) | 2020-07-10 |
| WO2021208506A1 (en) | 2021-10-21 |
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