CN108819414B - Self-repairing TPU (thermoplastic polyurethane) protective film base film and preparation method thereof - Google Patents
Self-repairing TPU (thermoplastic polyurethane) protective film base film and preparation method thereof Download PDFInfo
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- CN108819414B CN108819414B CN201810591473.1A CN201810591473A CN108819414B CN 108819414 B CN108819414 B CN 108819414B CN 201810591473 A CN201810591473 A CN 201810591473A CN 108819414 B CN108819414 B CN 108819414B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000004433 Thermoplastic polyurethane Substances 0.000 title description 56
- 229920002803 thermoplastic polyurethane Polymers 0.000 title description 56
- 238000005266 casting Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- LCPUCXXYIYXLJY-UHFFFAOYSA-N 1,1,2,4,4,4-hexafluorobutyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(F)(F)C(F)CC(F)(F)F LCPUCXXYIYXLJY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 11
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 abstract description 2
- 230000003666 anti-fingerprint Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000006120 scratch resistant coating Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
Landscapes
- Moulding By Coating Moulds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of film manufacturing, and discloses a preparation method of a self-repairing TPU protective film base film, which is characterized in that the TPU film is prepared from the following raw materials in parts by weight through treatment by a casting machine: 80-100 parts of TPU; 1-10 parts of hexafluorobutyl methacrylate; wherein the heating temperature of the casting machine is gradually increased from 169 ℃ at 164 ℃ to 195 ℃ at the outlet of the casting machine. The invention aims to provide a self-repairing TPU protective film base film capable of improving scratch resistance and ensuring light transmittance and a preparation method thereof.
Description
Technical Field
The invention relates to the field of film manufacturing, in particular to a self-repairing TPU protective film base film and a preparation method thereof.
Background
TPU (thermoplastic polyurethane elastomer) has been widely used as a film material, and properties of the film material such as yellowing resistance, light transmittance, surface strength property, water resistance, and the like are mostly improved by functional additives.
In the aspect of improving the waterproof performance of the TPU material, the fluorine-containing functional monomer has a certain effect. The fluorine-containing monomer is generally applied to TPU waterproof coatings and TPU waterproof films, such as dodecafluoroheptyl acrylate.
In the aspect of improving the scratch resistance and scratch recovery performance of the TPU film, the prior art is mostly realized by arranging a coating on the surface of the TPU film, for example, CN201510645557.5, a TPU protective film containing a scratch-resistant coating is a scratch-resistant coating used for protecting the TPU film.
However, the above techniques have some problems: complex process, high processing cost, great aging resistance of the coating and the like.
Protective films of various functional types have appeared on the market, such as AR anti-reflection film, AG dull polish antireflection film, tempering film, peep-proof film, films such as mirror membrane, but the elasticity of these protective films, luminousness, intensity are all relatively poor, can leave obvious scratch when meetting the scraping, and this can influence outward appearance integrality greatly. Therefore, how to improve the scratch resistance from the TPU film itself is a matter of consideration for those skilled in the art.
Disclosure of Invention
The invention aims to provide a self-repairing TPU protective film base film capable of improving scratch resistance and a preparation method thereof.
The specific scheme of the invention is as follows: a preparation method of a self-repairing TPU protective film base film comprises the following steps of preparing a TPU film by weight parts, and treating the TPU film by a casting machine:
80-100 parts of TPU;
1-10 parts of hexafluorobutyl methacrylate;
wherein the heating temperature of the casting machine is gradually increased from 169 ℃ at 164 ℃ to 195 ℃ at the outlet of the casting machine.
In the preparation method of the self-repairing TPU protective film base film, the heating temperature of the casting machine from the inlet to the outlet of the casting machine in each heating and mixing section is as follows:
the temperature of the feeding section of the first section is set to 164-169 ℃,
the temperature of the second mixing section is set to 170-175 ℃,
the temperature of the third mixing section is set to be 175-180 ℃,
the temperature of the high mixing section of the fourth section is set to be 180 ℃ and 185 DEG C
The fifth section calculates the section temperature setting 185-190 ℃,
the temperature of the discharge section of the sixth section is set to 190-.
Generally, the finer the temperature step, the better the mixing properties of the TPU and the auxiliaries, and the preferred mode of extrusion heating in six steps is the invention, based on a combination of cost and performance considerations. The casting machine is a common casting machine on the market, the screw is generally a single screw, and the basic functions and effects of the casting machine can be generally realized as long as the technical points can be achieved. The casting machine provided by the invention has a general structure comprising a dehumidifier, a single-screw extruder, a screen changer, an elbow connector, a die head, a forming roller, a cooling roller and a winding device in sequence.
Since casting machines are common devices, the present invention is not overly limited and set forth.
In the preparation method of the self-repairing TPU protective film base film, the outlet of the casting machine is sequentially provided with the screen changer, the linker and the die head;
wherein, the temperature of the screen changer and the linker is higher than that of the discharge section of the sixth section by 5 ℃;
the temperature of the die head is consistent with that of the discharge section of the sixth section.
In the preparation method of the self-repairing TPU protective film base film, the TPU film obtained after treatment by the casting machine further comprises the following steps:
and (3) lining PET release films on two sides of the TPU film, and then cooling and winding the TPU film by a cooling roller to obtain the TPU film.
In the preparation method of the self-repairing TPU protective film base film, the temperature of the cooling roller is 9-15 ℃.
In the preparation method of the self-repairing TPU protective film base film, the raw materials further comprise an anti-reflection agent: 1-5 parts; anti-sticking master batch: 1-5 parts.
In the preparation method of the self-repairing TPU protective film base film, the raw material is dried before being processed by a casting machine.
In the preparation method of the self-repairing TPU protective film base film, the thickness of the TPU film obtained after treatment by a casting machine is 90-500 um.
Meanwhile, the invention also discloses a self-repairing TPU protective film base film which is prepared by the method.
The invention has the beneficial effects that:
according to the invention, through the optimization of a proper process and an auxiliary agent, the self-repairing capability of the TPU film is improved, so that the scratch resistance of the TPU film is obviously improved.
Detailed Description
The invention will now be further described with reference to the following examples, which are not to be construed as limiting the invention in any way, and any limited number of modifications which can be made within the scope of the claims of the invention are still within the scope of the claims of the invention.
Unless otherwise specified, the amounts used in the examples and comparative examples are in parts by weight or percentages by weight.
Example one:
the TPU protective film consists of a TPU film layer and a PET release film layer, wherein the PET layers are respectively arranged on two sides of the TPU film. The following is a preparation method of the self-repairing anti-fingerprint protective film.
And I, extruding and granulating. 80 parts of polyester TPU raw material with the hardness of 93A, 3 parts of hexafluorobutyl methacrylate, 2 parts of anti-reflection agent and 2 parts of anti-adhesion master batch are sequentially put into a stirrer to be stirred for 15min, then put into a dehumidifier to be dried for 4h, and granulated through an extruder.
Secondly, extruding and salivating. Extruding the manufactured master batch through casting equipment to cast, lining PET release films on two sides of a TPU film in the casting process, setting the temperature of a cooling roll to be 9 ℃, and setting the heating and mixing temperatures of all sections as follows:
the temperature of the first stage feeding section is set to be 164 ℃,
the temperature of the second mixing section is set to be 170 ℃,
the temperature of the third mixing section is set to be 175 ℃,
the temperature of the high mixing section of the fourth section is set to be 180 DEG C
The fifth stage calculates a stage temperature setting of 185 c,
setting the temperature of a discharging section at the sixth section to be 190 ℃;
the screen changer temperature was set to 200 deg.C
Linker temperature was set to 200 deg.C
The die head temperature is set to 195 ℃; the thickness of the casting film was made 90um by controlling the speed of each casting roller.
The product of this example is sample one.
Example two:
the TPU protective film consists of a TPU film layer and a PET release film layer, wherein the PET layers are respectively arranged on two sides of the TPU film. The following is a preparation method of the self-repairing anti-fingerprint protective film.
And I, extruding and granulating. 90 parts of polyester TPU raw material with the hardness of 93A, 5 parts of hexafluorobutyl methacrylate, 3 parts of anti-reflection agent and 3 parts of anti-adhesion master batch are sequentially put into a stirrer to be stirred for 15min, then put into a dehumidifier to be dried for 4h, and granulated through an extruder.
Secondly, extruding and salivating. Extruding the manufactured master batch through casting equipment to cast, lining PET release films on two sides of a TPU film in the casting process, setting the temperature of a cooling roll to be 10 ℃, and setting the heating and mixing temperatures of all sections as follows:
the temperature of the feeding section of the first section is set to be 167 ℃,
the temperature of the second mixing section is set to be 173 ℃,
the temperature of the mixing section of the third section is set to 178 ℃,
the temperature of the high mixing section of the fourth section is set to be 183 DEG C
The fifth stage calculates the stage temperature setting of 188 c,
the temperature of the discharging section at the sixth section is set to be 193 ℃;
the screen changer temperature was set to 200 deg.C
Linker temperature was set to 200 deg.C
The die head temperature is set to 195 ℃; the thickness of the casting film was made 100um by controlling the speed of each casting roller.
The product of this example is sample two.
Example three:
the TPU protective film consists of a TPU film layer and a PET release film layer, wherein the PET layers are respectively arranged on two sides of the TPU film. The following is a preparation method of the self-repairing anti-fingerprint protective film.
And I, extruding and granulating. 100 parts of polyester TPU with the hardness of 93A, 8 parts of hexafluorobutyl methacrylate, 5 parts of an anti-reflection agent and 5 parts of an anti-adhesion master batch are sequentially put into a stirrer to be stirred for 15min, then put into a dehumidifier to be dried for 4h, and granulated through an extruder.
Secondly, extruding and salivating. Extruding the manufactured master batch through casting equipment to cast, lining PET release films on two sides of a TPU film in the casting process, setting the temperature of a cooling roll to be 12 ℃, and setting the heating and mixing temperatures of all sections as follows:
the temperature of the feeding section of the first section is set to be 169 ℃,
the temperature of the second mixing section is set to be 175 ℃,
the temperature of the third mixing section is set to be 180 ℃,
the temperature of the fourth high-mixing section is set to 185 DEG C
The temperature of the fifth calculation section is set to be 190 ℃,
the temperature of the discharging section of the sixth section is set to be 195 ℃;
the screen changer temperature was set to 200 deg.C
Linker temperature was set to 200 deg.C
The die head temperature is set to 195 ℃; the thickness of the casting film was made 150um by controlling the speed of each casting roller.
The product of this example is sample three.
Comparative example one:
the TPU protective film consists of a TPU film layer and a PET release film layer, wherein the PET layers are respectively arranged on two sides of the TPU film. The following is a preparation method of the self-repairing anti-fingerprint protective film.
And I, extruding and granulating. 90 parts of polyester TPU raw material with the hardness of 93A, 3 parts of anti-reflection agent and 3 parts of anti-sticking master batch are sequentially put into a stirrer to be stirred for 15min, then put into a dehumidifier to be dried for 4h, and granulated through an extruder.
Secondly, extruding and salivating. Extruding the manufactured master batch through casting equipment to cast, lining PET release films on two sides of a TPU film in the casting process, setting the temperature of a cooling roll to be 10 ℃, and setting the heating and mixing temperatures of all sections as follows:
the temperature of the feeding section of the first section is set to be 167 ℃,
the temperature of the second mixing section is set to be 173 ℃,
the temperature of the mixing section of the third section is set to 178 ℃,
the temperature of the high mixing section of the fourth section is set to be 183 DEG C
The fifth stage calculates the stage temperature setting of 188 c,
the temperature of the discharging section at the sixth section is set to be 193 ℃;
the screen changer temperature was set to 200 deg.C
Linker temperature was set to 200 deg.C
The die head temperature is set to 195 ℃; the thickness of the casting film was made 100um by controlling the speed of each casting roller.
The product of this comparative example was sample four.
The following is a self-healing functional test of the films of the present invention
The test is a laboratory self-test project, scratches of different specifications are scratched on the film by using copper rods of different specifications, then a hot air blower is used for setting the temperature of 45 ℃, hot air is blown to 10 seconds opposite to the film, then the film is kept stand for 5min, and the scratch condition is observed.
Sample one is the product of example 1, sample two is the product of example 2, and sample 3 is the product of example 3.
The thinner the sample, the better its self-recovery ability.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. The preparation method of the base film of the self-repairing TPU protective film is characterized in that the base film of the self-repairing TPU protective film is prepared from the following raw materials in parts by weight and is treated by a casting machine to obtain the TPU film:
80-100 parts of TPU;
1-10 parts of hexafluorobutyl methacrylate;
wherein the heating temperature of the casting machine is gradually increased from 169 ℃ at 164-195 ℃ to 195 ℃ from the inlet to the outlet of the casting machine, and the temperature increasing method of each heating and mixing section of the heating temperature of the casting machine from the inlet to the outlet of the casting machine comprises the following steps:
the temperature of the feeding section of the first section is set to 164-169 ℃,
the temperature of the second mixing section is set to 170-175 ℃,
the temperature of the third mixing section is set to be 175-180 ℃,
the temperature of the fourth high mixing section is set to 180 ℃ and 185 ℃,
the fifth section calculates the section temperature setting 185-190 ℃,
the temperature of the discharge section of the sixth section is set to 190-.
2. The preparation method of the self-repairing TPU protective film base film according to claim 1, characterized in that a screen changer, a linker and a die head are sequentially arranged at the outlet of the casting machine;
wherein, the temperature of the screen changer and the linker is higher than that of the discharge section of the sixth section by 5 ℃;
the temperature of the die head is consistent with that of the discharge section of the sixth section.
3. The preparation method of the self-repairing TPU protective film base film according to claim 1, wherein the TPU film obtained after the treatment of the casting machine further comprises the following steps:
and (3) lining PET release films on two sides of the TPU film, and then cooling and winding the TPU film by a cooling roller to obtain the TPU film.
4. The preparation method of the self-repairing TPU protective film base film according to claim 3, wherein the temperature of the cooling roll is 9-15 ℃.
5. The preparation method of the self-repairing TPU protective film-based film as claimed in any one of claims 1 to 4, wherein the raw materials further comprise an anti-reflection agent: 1-5 parts; anti-sticking master batch: 1-5 parts.
6. The method for preparing the self-repairing TPU protective film base film according to any one of claims 1 to 4, characterized in that the raw material is dried before being processed by a casting machine.
7. The preparation method of the self-repairing TPU protective film base film according to any one of claims 1 to 4, characterized in that the thickness of the TPU film obtained after the treatment of the casting machine is 90 to 500 um.
8. The self-repairing TPU protective film base film is characterized by being prepared by the method of any one of claims 1 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527822 | 2018-05-29 | ||
| CN2018105278223 | 2018-05-29 |
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| Publication Number | Publication Date |
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| CN108819414A CN108819414A (en) | 2018-11-16 |
| CN108819414B true CN108819414B (en) | 2020-09-11 |
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| CN201810591473.1A Expired - Fee Related CN108819414B (en) | 2018-05-29 | 2018-06-10 | Self-repairing TPU (thermoplastic polyurethane) protective film base film and preparation method thereof |
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| CN111763479B (en) * | 2020-07-13 | 2021-04-06 | 宁波长阳科技股份有限公司 | Thermoplastic polyurethane elastomer film, composite film thereof and preparation method |
| TWI806267B (en) | 2020-12-07 | 2023-06-21 | 美商聖高拜塑膠製品公司 | Composite film and methods of forming a composite film |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964808A (en) * | 2012-12-04 | 2013-03-13 | 福建思嘉环保材料科技有限公司 | Environment-friendly thermoplastic polyurethane (TPU) film and preparation method thereof |
| CN103507370A (en) * | 2012-06-20 | 2014-01-15 | 苏州金海薄膜科技发展有限公司 | Scratch-resistant stain-repellent solar heat insulation membrane |
| CN104845521A (en) * | 2015-06-15 | 2015-08-19 | 张家港康得新光电材料有限公司 | UV curing coating, wear-resistant and antifouling coating layer and mobile phone protection film containing wear-resistant and antifouling coating layer |
| CN105274863A (en) * | 2015-09-16 | 2016-01-27 | 广州钰鑫环保塑胶有限公司 | Solvent-free environmentally friendly TPU artificial leather and preparation method |
| WO2016159023A1 (en) * | 2015-03-31 | 2016-10-06 | Jnc株式会社 | Coating agent, coating film, laminate, and surface-protected article |
| CN107033376A (en) * | 2016-11-23 | 2017-08-11 | 广东聚航新材料研究院有限公司 | A kind of antimicrobial form TPU is cast membrane preparation method |
-
2018
- 2018-06-10 CN CN201810591473.1A patent/CN108819414B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507370A (en) * | 2012-06-20 | 2014-01-15 | 苏州金海薄膜科技发展有限公司 | Scratch-resistant stain-repellent solar heat insulation membrane |
| CN102964808A (en) * | 2012-12-04 | 2013-03-13 | 福建思嘉环保材料科技有限公司 | Environment-friendly thermoplastic polyurethane (TPU) film and preparation method thereof |
| WO2016159023A1 (en) * | 2015-03-31 | 2016-10-06 | Jnc株式会社 | Coating agent, coating film, laminate, and surface-protected article |
| CN104845521A (en) * | 2015-06-15 | 2015-08-19 | 张家港康得新光电材料有限公司 | UV curing coating, wear-resistant and antifouling coating layer and mobile phone protection film containing wear-resistant and antifouling coating layer |
| CN105274863A (en) * | 2015-09-16 | 2016-01-27 | 广州钰鑫环保塑胶有限公司 | Solvent-free environmentally friendly TPU artificial leather and preparation method |
| CN107033376A (en) * | 2016-11-23 | 2017-08-11 | 广东聚航新材料研究院有限公司 | A kind of antimicrobial form TPU is cast membrane preparation method |
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| CN108819414A (en) | 2018-11-16 |
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