CN114605813A - Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof - Google Patents
Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof Download PDFInfo
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- CN114605813A CN114605813A CN202210320139.9A CN202210320139A CN114605813A CN 114605813 A CN114605813 A CN 114605813A CN 202210320139 A CN202210320139 A CN 202210320139A CN 114605813 A CN114605813 A CN 114605813A
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 50
- 230000032683 aging Effects 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 4
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 12
- -1 polypropylene Polymers 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 229910021485 fumed silica Inorganic materials 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001748 polybutylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- PZRWFKGUFWPFID-UHFFFAOYSA-N 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCCCCCCCCCCCC)OCC21COP(OCCCCCCCCCCCCCCCCCC)OC2 PZRWFKGUFWPFID-UHFFFAOYSA-N 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 150000008064 anhydrides Chemical class 0.000 claims description 3
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- BPSIOYPQMFLKFR-VIFPVBQESA-N trimethoxy-[3-[[(2r)-oxiran-2-yl]methoxy]propyl]silane Chemical group CO[Si](OC)(OC)CCCOC[C@H]1CO1 BPSIOYPQMFLKFR-VIFPVBQESA-N 0.000 claims description 3
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 claims description 3
- OFFHCUWJGDPERE-UHFFFAOYSA-N butanedioic acid;1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidin-4-ol Chemical compound OC(=O)CCC(O)=O.CC1(C)CC(O)CC(C)(C)N1CCO OFFHCUWJGDPERE-UHFFFAOYSA-N 0.000 claims description 2
- 239000012963 UV stabilizer Substances 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 claims 1
- 239000002318 adhesion promoter Substances 0.000 claims 1
- 239000004611 light stabiliser Substances 0.000 abstract description 5
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000004383 yellowing Methods 0.000 description 6
- 238000010345 tape casting Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- VOLZKMNRPFTYGO-UHFFFAOYSA-N butanedioic acid;1-(1-hydroxyethyl)-2,2,6,6-tetramethylpiperidin-4-ol Chemical compound OC(=O)CCC(O)=O.CC(O)N1C(C)(C)CC(O)CC1(C)C VOLZKMNRPFTYGO-UHFFFAOYSA-N 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C08J2375/08—Polyurethanes from polyethers
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
Abstract
The invention relates to the field of hot melt adhesive films, in particular to an ultraviolet light aging resistant TPU hot melt adhesive film which comprises the following raw materials in parts by weight: 85-100 parts of TPU particles; 15-40 parts of resin; 0.5-2 parts of a curing agent; 0.2-0.5 part of tackifier; 0.1-0.6 part of antioxidant; 0.05-1 part of ultraviolet light stabilizer; 0.05-0.5 part of ultraviolet absorber. The invention provides an ultraviolet light aging resistant TPU hot melt adhesive film which is strong in weather resistance; the invention also provides a preparation method of the ultraviolet light aging resistant TPU hot melt adhesive film, and the process is simple.
Description
Technical Field
The invention relates to the field of hot melt adhesive films, in particular to an ultraviolet light aging resistant TPU hot melt adhesive film and a preparation method thereof.
Background
The TPU hot melt adhesive film is a common hot melt adhesive product applied to life and industrial production, has no viscosity in a solid state at normal temperature, can be melted at high temperature, has viscosity on two sides, and belongs to an environment-friendly adhesive. Has high tensile strength, excellent flexibility, weather resistance and transparency, is comfortable to contact with human body, is easy to process and has high bonding strength with various materials. The adhesive is widely applied to the adhesion of various materials such as jacket, sports fabric, trademark woven labels, embroidery, pyrograph, textile and the like. The TPU hot melt adhesive film is required to have excellent washing resistance, and after the fabric is bonded by the hot melt adhesive film, the fabric can be soaked in water at a certain temperature and repeatedly kneaded, so that higher bonding strength can be maintained. The existing TPU hot melt adhesive film has poor ultraviolet light aging resistance, and the application field is limited.
Disclosure of Invention
In order to solve the technical problems, the invention provides the ultraviolet light aging resistant TPU hot melt adhesive film which is strong in weather resistance.
The invention also provides a preparation method of the ultraviolet light aging resistant TPU hot melt adhesive film, and the process is simple.
The invention adopts the following technical scheme:
the ultraviolet light aging resistant TPU hot melt adhesive film comprises the following raw materials in parts by weight:
the technical proposal is further improved in that the TPU particles are one of polycarbonate polyester TPU particles and polytetrahydrofuran polyether TPU particles.
The technical proposal is further improved in that the resin is one or more of polypropylene grafted maleic anhydride copolymer, polypropylene grafted glycidyl methacrylate copolymer, polybutylene grafted maleic anhydride copolymer and polybutylene grafted acrylate copolymer.
The technical proposal is further improved in that the curing agent is one of imidazole curing agents and anhydride curing agents.
The technical proposal is further improved in that the tackifier is r-glycidoxypropyltrimethoxysilane.
The technical proposal is further improved in that the antioxidant is one of distearyl pentaerythritol diphosphite, tris (nonylphenyl) phosphite and tris (2, 4-di-tert-butylphenyl) phosphite.
The technical proposal is further improved in that the ultraviolet light stabilizer is poly (4-hydroxy-2, 2,6, 6-tetramethyl-1-piperidyl ethanol) succinate or bis (2,2,6, 6-tetramethyl-4-piperidyl) sebacate.
The further improvement of the technical scheme is that the ultraviolet absorbent is a mixture of rutile titanium dioxide and fumed silica, and the mass ratio of the rutile titanium dioxide to the fumed silica is 1-2: 1-2.
A preparation method of an ultraviolet light aging resistant TPU hot melt adhesive film comprises the following steps:
the raw materials are uniformly mixed according to the proportion, and then are put into an extruder for mixing, the temperature of the extruder is controlled at 210-300 ℃, the obtained extrudate is subjected to tape casting and calendering to form a film, the film is shaped through cooling and traction, and finally the ultraviolet light aging resistant TPU hot melt adhesive film is obtained through a winding process.
The technical proposal is further improved in that the temperature of the extruder is controlled at 250 ℃ to 280 ℃.
The invention has the beneficial effects that:
the invention adopts the ultraviolet absorbent as the mixture of rutile type titanium dioxide and fumed silica, and rutile type nano TiO2Is a novel inorganic nano semiconductor material, has obvious nano effect, surface and interface effect and quantum size effect, and the size of the nano semiconductor material is equal to or less than the physical characteristic size of ultraviolet wavelength, Debroglie wavelength, superconducting coherent length or transmission depth, etc., at this moment, the periodic boundary condition is destroyed, the material has special optical property, and rutile type nano TiO2The absorption effect on ultraviolet rays effectively protects the organic ultraviolet light stabilizers, so that the organic ultraviolet light stabilizers can exert effects in a longer time, and the aging speed of the material is slowed down; the unique structure of the fumed silica enables the fumed silica to have stronger light reflectivity in an ultraviolet-visible light range, but has an absorption peak with different intensity near the wavelength of 230 nanometers, so that the light transmittance of ultraviolet light is weakened, and the absorption and reflection of the ultraviolet light below 300 nanometers reach 100 percent, thereby improving the adhesive filmThe ultraviolet light aging resistance and the weather resistance are strong. Furthermore, the fumed silica has stable performance and does not react with other organic matters in the system, so that chromophore groups are not generated.
Detailed Description
The invention will now be further illustrated by reference to specific examples, which are intended to be illustrative of the invention and are not intended to be a further limitation of the invention.
The ultraviolet light aging resistant TPU hot melt adhesive film comprises the following raw materials in parts by weight:
further, the TPU particles are one of polycarbonate polyester type TPU particles and polytetrahydrofuran type polyether type TPU particles.
Further, the resin is one or more of polypropylene grafted maleic anhydride copolymer, polypropylene grafted glycidyl methacrylate copolymer, polybutylene grafted maleic anhydride copolymer and polybutylene grafted acrylate copolymer.
Further, the curing agent is one of imidazole curing agents and anhydride curing agents.
Further, the tackifier is r-glycidoxypropyltrimethoxysilane.
Further, the antioxidant is one of distearyl pentaerythritol diphosphite, tris (nonylphenyl) phosphite and tris (2, 4-di-tert-butylphenyl) phosphite.
Further, the ultraviolet light stabilizer is poly (4-hydroxy-2, 2,6, 6-tetramethyl-1-piperidineethanol) succinate or bis (2,2,6, 6-tetramethyl-4-piperidyl) sebacate.
Further, the ultraviolet absorber is a mixture of rutile titanium dioxide and fumed silica, and the mass ratio of the rutile titanium dioxide to the fumed silica is 1-2: 1-2.
A preparation method of an ultraviolet light aging resistant TPU hot melt adhesive film comprises the following steps:
the raw materials are uniformly mixed according to the proportion, and then are put into an extruder for mixing, the temperature of the extruder is controlled at 210-300 ℃, the obtained extrudate is subjected to tape casting and calendering to form a film, the film is shaped through cooling and traction, and finally the ultraviolet light aging resistant TPU hot melt adhesive film is obtained through a winding process.
Further, the temperature of the extruder was controlled at 250 ℃ and 280 ℃.
Example 1
The ultraviolet light aging resistant TPU hot melt adhesive film comprises the following raw materials in parts by weight:
a preparation method of an ultraviolet light aging resistant TPU hot melt adhesive film comprises the following steps:
the raw materials are uniformly mixed according to the proportion, and then are put into an extruder for mixing, the temperature of the extruder is controlled at 220 ℃, the obtained extrudate is subjected to tape casting and rolling to form a film, the film is shaped through cooling and traction, and finally the ultraviolet light aging resistant TPU hot melt adhesive film is obtained through a rolling process.
Example 2
The ultraviolet light aging resistant TPU hot melt adhesive film comprises the following raw materials in parts by weight:
a preparation method of an ultraviolet light aging resistant TPU hot melt adhesive film comprises the following steps:
the raw materials are uniformly mixed according to the proportion, and then are put into an extruder for mixing, the temperature of the extruder is controlled at 210 ℃, the obtained extrudate is subjected to tape casting and calendaring to form a film, the film is shaped through cooling and traction, and finally the ultraviolet light aging resistant TPU hot melt adhesive film is obtained through a winding process.
Example 3
The ultraviolet light aging resistant TPU hot melt adhesive film comprises the following raw materials in parts by weight:
a preparation method of an ultraviolet light aging resistant TPU hot melt adhesive film comprises the following steps:
the raw materials are uniformly mixed according to the proportion, and then are put into an extruder for mixing, the temperature of the extruder is controlled at 270 ℃, the obtained extrudate is subjected to tape casting and rolling to form a film, the film is shaped through cooling and traction, and finally the ultraviolet light aging resistant TPU hot melt adhesive film is obtained through a rolling process.
Comparative example 1
The TPU hot melt adhesive film comprises the following raw materials in parts by weight:
a preparation method of a TPU hot melt adhesive film comprises the following steps:
the TPU hot melt adhesive film is prepared by uniformly mixing the raw materials according to the proportion, putting the mixture into an extruder for mixing, controlling the temperature of the extruder at 150 ℃, casting and rolling the obtained extrudate to form a film, cooling and drawing the film for shaping, and finally rolling the film to obtain the TPU hot melt adhesive film.
Comparative example 2
The TPU hot melt adhesive film comprises the following raw materials in parts by weight:
a preparation method of a TPU hot melt adhesive film comprises the following steps:
the TPU hot melt adhesive film is prepared by uniformly mixing the raw materials according to the proportion, putting the mixture into an extruder for mixing, controlling the temperature of the extruder at 200 ℃, casting and rolling the obtained extrudate to form a film, cooling and drawing the film for shaping, and finally rolling the film to obtain the TPU hot melt adhesive film.
The TPU hot melt adhesive film materials of examples 1-3 and comparative examples 1-2 were subjected to performance tests, the test methods were as follows:
(1) ultraviolet light aging:
the ultraviolet radiation aging test is carried out according to the requirements specified by the international electrotechnical commission standard IEC61345, and the test conditions are as follows:
the surface temperature of the sample is 60 +/-5 ℃, and the test time is 2000 hours
Wavelength: 280-400 nm, the irradiation intensity is 1.5Kwh/m2
The yellowing index (Delta YI) is analyzed according to GB2409-80 Plastic yellowing index test method.
(2) Resistance to wet heat aging
Damp-heat aging test was carried out according to GB/T2423.3 test method
The test conditions are as follows: the temperature is 85 ℃, the relative humidity is 85 percent, and the time is 2000 hours
The yellowing index (Delta YI) is analyzed according to GB2409-80 Plastic yellowing index test method.
(3) Thermal oxidation aging:
the test conditions are as follows: the temperature is 100 ℃, and the time is 2000 hours
The yellowing index (Delta YI) is analyzed according to GB2409-80 Plastic yellowing index test method.
(4) Peel strength: and pressing the adhesive film with the width of 20cm on the elastic fabric at 150 ℃ for 15S, cooling for 60 minutes, and detecting the peel strength of the adhesive film.
The results are shown in table 1 below:
variations and modifications to the above-described embodiments may also occur to those skilled in the art to which the invention pertains. Therefore, the above examples illustrate the detailed methods of the present invention, but the present invention is not limited to the specific embodiments disclosed and described above, and it is not intended that the present invention be implemented by relying on the above detailed methods, any modifications and variations of the present invention, equivalent substitutions of each raw material of the product of the present invention, addition of auxiliary components, selection of specific embodiments, etc., should also fall within the scope of the claims of the present invention.
Claims (10)
1. The ultraviolet light aging resistant TPU hot melt adhesive film is characterized by comprising the following raw materials in parts by weight:
2. the UV aging resistant TPU hot melt adhesive film as claimed in claim 1, wherein the TPU particles are one of polycarbonate polyester TPU particles and polytetrahydrofuran polyether TPU particles.
3. The UV aging resistant TPU hot melt adhesive film of claim 1, wherein the resin is one or more of polypropylene grafted maleic anhydride copolymer, polypropylene grafted glycidyl methacrylate copolymer, polybutylene grafted maleic anhydride copolymer and polybutylene grafted acrylate copolymer.
4. The ultraviolet light aging resistant TPU hot melt adhesive film as claimed in claim 1, wherein the curing agent is one of imidazole curing agent and anhydride curing agent.
5. The UV aging resistant TPU hot melt adhesive film of claim 1, wherein the adhesion promoter is r-glycidoxypropyltrimethoxysilane.
6. The UV aging resistant TPU hot melt adhesive film of claim 1, wherein the antioxidant is one of distearyl pentaerythritol diphosphite, tris (nonylphenyl) phosphite and tris (2, 4-di-tert-butylphenyl) phosphite.
7. The UV aging resistant TPU hot melt adhesive film of claim 1, wherein the UV stabilizer is poly (4-hydroxy-2, 2,6, 6-tetramethyl-1-piperidineethanol) succinate or bis (2,2,6, 6-tetramethyl-4-piperidyl) sebacate.
8. The UV aging resistant TPU hot melt adhesive film as claimed in claim 1, wherein the UV absorber is a mixture of rutile type titanium dioxide and fumed silica, and the mass ratio of rutile type titanium dioxide to fumed silica is 1-2: 1-2.
9. The preparation method of the ultraviolet light aging resistant TPU hot melt adhesive film is characterized by comprising the following steps:
uniformly mixing the raw materials according to the proportion as set forth in any one of claims 1 to 8, putting the mixture into an extruder for mixing, controlling the temperature of the extruder at 210 ℃ and 300 ℃, casting and rolling the obtained extrudate to form a film, cooling and drawing the film for shaping, and finally rolling the film to obtain the ultraviolet light aging resistant TPU hot melt adhesive film.
10. The method for preparing the UV aging resistant TPU hot melt adhesive film as claimed in claim 9, wherein the temperature of the extruder is controlled to be 250-280 ℃.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320139.9A CN114605813A (en) | 2022-03-29 | 2022-03-29 | Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof |
| PCT/CN2022/092798 WO2023184665A1 (en) | 2022-03-29 | 2022-05-13 | Ultraviolet-aging-resistant tpu hot melt adhesive film and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320139.9A CN114605813A (en) | 2022-03-29 | 2022-03-29 | Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof |
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| CN114605813A true CN114605813A (en) | 2022-06-10 |
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| CN202210320139.9A Pending CN114605813A (en) | 2022-03-29 | 2022-03-29 | Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof |
Country Status (2)
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| CN (1) | CN114605813A (en) |
| WO (1) | WO2023184665A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184665A1 (en) * | 2022-03-29 | 2023-10-05 | 广东汇齐新材料有限公司 | Ultraviolet-aging-resistant tpu hot melt adhesive film and preparation method therefor |
| WO2024021179A1 (en) * | 2022-07-25 | 2024-02-01 | 广东汇齐新材料有限公司 | Thermocuring crosslinking-type hot melt adhesive film and preparation method therefor |
| WO2024021182A1 (en) * | 2022-07-29 | 2024-02-01 | 广东汇齐新材料有限公司 | Self-healing tpu hot melt adhesive film and preparation method therefor |
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| WO2024021179A1 (en) * | 2022-07-25 | 2024-02-01 | 广东汇齐新材料有限公司 | Thermocuring crosslinking-type hot melt adhesive film and preparation method therefor |
| WO2024021182A1 (en) * | 2022-07-29 | 2024-02-01 | 广东汇齐新材料有限公司 | Self-healing tpu hot melt adhesive film and preparation method therefor |
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| WO2023184665A1 (en) | 2023-10-05 |
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