CN113150708A - Direct-coating type grid PET release film and preparation method and production line thereof - Google Patents
Direct-coating type grid PET release film and preparation method and production line thereof Download PDFInfo
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- CN113150708A CN113150708A CN202110494921.8A CN202110494921A CN113150708A CN 113150708 A CN113150708 A CN 113150708A CN 202110494921 A CN202110494921 A CN 202110494921A CN 113150708 A CN113150708 A CN 113150708A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2463/00—Presence of epoxy resin
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a preparation method and a production line of a direct coating type grid PET release film. Coating grid glue on a PET base film through a coating machine, and then sending the PET base film into a first drying box for heating and primary curing to form a soft glue film; then, extruding the soft adhesive film through a grid roller of a grid extruding device to form a grid pattern on the soft adhesive film; and then sending the mixture into a second drying oven for heating and curing to form a hard adhesive film tightly combined on the PET base film, so as to prepare the grid PET release film product. The preparation process is simple, the processes of traditional film coating and the like are saved, the grid PET release film product is good in smoothness and free of warping, the product quality is effectively guaranteed, the anti-skid, exhaust and release effects are further improved, the comprehensive performance is good, the preparation cost is low, and the preparation method is easy to implement.
Description
Technical Field
The invention relates to the technical field of release films, in particular to a direct-coating type grid PET release film and a preparation method and a production line thereof.
Background
The traditional grid release film is a material frequently used in the viscose industry, is widely applied in the industry because of excellent anti-skid and quick exhaust functions, and influences the use experience effect of customers for a long time due to factors such as complex preparation process, high cost, serious material warping and the like.
Therefore, research and development of a PET release film preparation method and equipment thereof which are simple in process and easy to implement are needed by the market.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a preparation method and a production line of a direct-coating grid PET release film, which can be used for conveniently and rapidly preparing the grid PET release film, and the grid PET release film has good smoothness.
In order to achieve the purpose, the invention provides the technical scheme that: a preparation method of a direct-coating grid PET release film comprises the following steps:
(1) coating grid glue on the PET base film;
(2) feeding the PET base film coated with the grid glue into a first drying box for heating, and carrying out primary curing on the grid glue on the PET base film so as to form a soft glue film on the surface of the PET base film;
(3) extruding the soft adhesive film through a grid roller to form a grid pattern on the soft adhesive film;
(4) sending the mixture into a second drying oven for heating, so that the soft adhesive film is solidified into a hard adhesive film which is tightly combined on the PET base film, and obtaining a grid PET release film product;
(5) and cooling the grid PET release film product, and then rolling.
As an improvement of the invention, the grid glue is prepared by mixing the following raw materials in parts by weight: 220 parts of epoxy resin 180; 170 parts of solvent 130-; 5-7 parts of an adhesive; 2-4 parts of an anchoring agent; 4-6 parts of a curing agent; 20-30 parts of high-viscosity resin.
As an improvement of the invention, the first drying box comprises a first section cavity and a second section cavity which are sequentially arranged, the temperature of the first section cavity is set to be 55-70 ℃, and the temperature of the second section cavity is set to be 70-80 ℃. The second drying box comprises a third section cavity, a fourth section cavity, a fifth section cavity, a sixth section cavity, a seventh section cavity and an eighth section cavity which are sequentially arranged, the temperature of the third section cavity and the fourth section cavity is set to be 70-85 ℃, the temperature of the third section cavity and the fourth section cavity is set to be 110-125 ℃, the temperature of the fifth section cavity and the sixth section cavity is set to be 130 ℃, and the temperature of the seventh section cavity and the eighth section cavity is set to be 70-85 ℃.
As an improvement of the invention, before the grid glue is coated on the PET base film, the corona treatment is carried out on the surface of the PET base film which needs to be coated with the grid glue in advance so as to form a corona layer on the surface of the PET base film, thus the surface roughness can be improved, and the grid glue is more firmly attached and is not easy to loosen.
As an improvement of the invention, the surface of the PET base film is subjected to corona treatment and then to tip sticking treatment so as to remove foreign matters on the surface of the corona layer.
The utility model provides a directly scribble type net PET from type membrane preparation production line, its is including arranging unreeling machine, corona treatment equipment, viscous dust cleaning equipment, coating machine, first drying cabinet, net extrusion device, second drying cabinet, cooling device and the rolling machine that sets up in proper order, net extrusion device includes the net roller and the compression roller that sets up relatively with this net roller, the surface distribution of net roller has the net burr. The first drying box comprises a first section cavity and a second section cavity which are sequentially arranged, and the second drying box comprises a third section cavity, a fourth section cavity, a fifth section cavity, a sixth section cavity, a seventh section cavity and an eighth section cavity which are sequentially arranged.
The direct-coating grid PET release film is prepared by the direct-coating grid PET release film preparation method or the direct-coating grid PET release film preparation production line.
The invention has the beneficial effects that: the preparation process is simple, the grid glue is coated on the PET base film, the PET base film is heated and primarily cured through the first oven, then the grid is formed through extrusion, and then the heating curing molding is carried out, so that the processes of traditional film coating and the like are saved, the grid PET release film product has good smoothness and no warpage, the product quality is effectively ensured, the anti-skid, exhaust and release effects are further improved, the comprehensive performance is good, the preparation cost is low, and the realization is easy.
Drawings
FIG. 1 is a schematic view of the structure of the production line of the present invention.
Fig. 2 is a schematic cross-sectional structure of an article of the present invention.
Detailed Description
Example 1: referring to fig. 1, the production line for preparing the direct-coating type grid PET release film provided in this embodiment includes an unreeling machine 1, a corona treatment device 2, a sticky dust cleaning device 3, a coating machine 4, a first drying oven 5, a grid extruding device 6, a second drying oven 7, a cooling device 8 and a winding machine 9 which are arranged in sequence.
The grid extruding device 6 comprises a grid roller and a pressing roller arranged opposite to the grid roller, and grid wales are distributed on the surface of the grid roller. First drying cabinet 5 is including the first festival chamber and the second festival chamber that arrange in proper order, second drying cabinet 7 is including the third festival chamber, the fourth festival chamber, the fifth festival chamber, the sixth festival chamber, the seventh festival chamber and the eighth festival chamber that arrange in proper order.
Before preparation, preparing grid glue in advance, wherein the grid glue is prepared by mixing the following raw materials in parts by weight: 1000g of epoxy resin, 750g of solvent, 30g of adhesive, 15g of anchoring agent, 25g of curing agent and 120g of high-viscosity resin. In this embodiment, the raw material selection is specifically as follows, the type of the epoxy resin is a1004, the solvent is ethyl ester, the type of the adhesive is 201F, the type of the anchoring agent is 300A, and the type of the high-viscosity resin is 8812. In other embodiments, the raw materials can be replaced by other component materials with corresponding functional effects. And stirring and mixing the epoxy resin, the solvent, the adhesive, the anchoring agent, the curing agent and the high-viscosity resin uniformly, wherein the stirring time is about one hour, filtering after uniformly stirring and mixing, preferably filtering by using a 1.5 mu m filter element, and obtaining the grid glue after filtering.
During production, the preparation method of the direct-coating type grid PET release film preparation production line comprises the following steps:
(1) the PET base film coil stock is placed on an unreeling machine 1, unreeling is carried out through the unreeling machine 1, and the PET base film is conveyed into a corona treatment device 2;
(2) the corona treatment equipment 2 carries out corona treatment on the surface of the PET base film, which needs to be coated with the grid glue, so that a corona layer is formed on the surface of the PET base film, the surface roughness of the PET base film can be improved, the grid glue is more firmly attached, and the grid glue is not easy to loosen;
(3) after the corona treatment, the PET base film enters the sticky dust cleaning equipment 3, and the sticky dust rubber roller of the sticky dust cleaning equipment 3 is contacted with the surface of the PET base film, so that foreign matters on the PET base film are cleaned, and the cleanness of a corona layer is ensured;
(4) the PET base film subjected to dust sticking cleaning enters a coating machine 4, and grid glue is coated on a corona layer of the PET base film through a micro concave roller;
(5) the PET base film coated with the grid glue is sent into a first drying oven 5 to be heated, the first drying oven 5 comprises a first section cavity and a second section cavity which are sequentially arranged, the temperature of the first section cavity is set to be 55-70 ℃, and the temperature of the second section cavity is set to be 70-80 ℃. Heating and primarily curing the grid glue on the PET base film through a first drying box 5 to form a soft glue film on the surface of the PET base film;
(6) the PET base film with the soft adhesive film is fed into a grid extruding device 6, and the soft adhesive film is extruded through a grid roller of the grid extruding device 6 so as to form an uneven grid pattern on the soft adhesive film;
(6) after the step (5) is finished, feeding the plastic film into a second drying box 7 for heating, so that the soft plastic film is solidified into a hard plastic film which is tightly combined on the PET base film, wherein the second drying box 7 comprises a third section cavity, a fourth section cavity, a fifth section cavity, a sixth section cavity, a seventh section cavity and an eighth section cavity which are sequentially arranged, the temperature of the third section cavity and the fourth section cavity is set to be 70-85 ℃, the temperature of the third section cavity and the fourth section cavity is set to be 110-125 ℃, the temperature of the fifth section cavity and the sixth section cavity is set to be 130 ℃, and the temperature of the seventh section cavity and the temperature of the eighth section cavity are set to be 70-85 ℃;
(7) and (5) after the step (6) is finished, preparing a grid PET release film product, and cooling the grid PET release film product by a cooling device 8. In this embodiment, the cooling device 8 includes two water-cooled rollers arranged oppositely, the water-cooled rollers have hollow inner cavities, cooling water is introduced into the hollow inner cavities, and after the PET release film is contacted with the water-cooled rollers, a cooling effect is achieved;
(8) the cooled grid PET release film product is wound by a winding machine 9.
Example 2: the direct-coating type grid PET release film production line and the preparation method thereof provided by the embodiment are basically the same as the embodiment 1, and the difference lies in that the grid glue is different in raw material components: the grid glue is prepared by mixing the following raw materials in parts by weight: 180g of epoxy resin, 140g of solvent, 5g of adhesive, 4g of anchoring agent, 4g of curing agent and 28g of high-viscosity resin.
Example 3: the direct-coating type grid PET release film production line and the preparation method thereof provided by the embodiment are basically the same as the embodiment 1, and the difference lies in that the grid glue is different in raw material components: the grid glue is prepared by mixing the following raw materials in parts by weight: 220g of epoxy resin, 150g of solvent, 6g of adhesive, 2g of anchoring agent, 6g of curing agent and 30g of high-viscosity resin.
Example 4: the direct-coating type grid PET release film production line and the preparation method thereof provided by the embodiment are basically the same as the embodiment 1, and the difference lies in that the grid glue is different in raw material components: the grid glue is prepared by mixing the following raw materials in parts by weight: 190g of epoxy resin, 130g of solvent, 7g of adhesive, 3g of anchoring agent, 5g of curing agent and 20g of high-viscosity resin.
Example 5: the direct-coating type grid PET release film production line and the preparation method thereof provided by the embodiment are basically the same as the embodiment 1, and the difference lies in that the grid glue is different in raw material components: the grid glue is prepared by mixing the following raw materials in parts by weight: 200g of epoxy resin, 160g of solvent, 5g of adhesive, 3g of anchoring agent, 4g of curing agent and 22g of high-viscosity resin.
The above examples are only preferred embodiments of the present invention, and the present invention is not limited to all embodiments, and any technical solution using one of the above examples or equivalent changes made according to the above examples is within the scope of the present invention.
Referring to fig. 2, a direct-coated mesh PET release film is manufactured by the direct-coated mesh PET release film manufacturing method or the direct-coated mesh PET release film manufacturing line of examples 1 to 5. This directly scribble type net check PET from type membrane include PET base film 10 and with the stereoplasm glued membrane 20 of the inseparable laminating of PET base film 10 adopts the direct coating technology directly to coat net glue on PET base film 10, heats preliminary solidification through first oven, then carries out extrusion shaping out the net, carries out the thermal cure shaping out stereoplasm glued membrane 20 again afterwards, saves and goes processes such as traditional drenching membrane for net PET is good from type membrane goods planarization, and no warpage ensures product quality.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way, and it is within the scope of the present invention to use other film bodies, the same as or similar to the film bodies, and the manufacturing methods and production lines thereof.
Claims (10)
1. A preparation method of a direct-coating grid PET release film is characterized by comprising the following steps:
(1) coating grid glue on the PET base film;
(2) feeding the PET base film coated with the grid glue into a first drying box for heating, and carrying out primary curing on the grid glue on the PET base film so as to form a soft glue film on the surface of the PET base film;
(3) extruding the soft adhesive film through a grid roller to form a grid pattern on the soft adhesive film;
(4) and (3) feeding the mixture into a second drying oven for heating, so that the soft adhesive film is solidified into a hard adhesive film which is tightly combined on the PET base film, and the grid PET release film product is prepared.
2. The preparation method of the direct-coating grid PET release film according to claim 1, wherein the grid glue is prepared by mixing the following raw materials in parts by weight:
220 parts of epoxy resin 180;
170 parts of solvent 130-;
5-7 parts of an adhesive;
2-4 parts of an anchoring agent;
4-6 parts of a curing agent;
20-30 parts of high-viscosity resin.
3. The method for preparing the direct-coating grid PET release film according to claim 1, wherein the first drying box comprises a first section cavity and a second section cavity which are sequentially arranged, the temperature of the first section cavity is set to be 55-70 ℃, and the temperature of the second section cavity is set to be 70-80 ℃.
4. The method for preparing the direct-coating grid PET release film according to claim 1, wherein the second drying oven comprises a third section cavity, a fourth section cavity, a fifth section cavity, a sixth section cavity, a seventh section cavity and an eighth section cavity which are sequentially arranged, the temperature of the third section cavity and the fourth section cavity is set to be 70-85 ℃, the temperature of the third section cavity and the fourth section cavity is set to be 110-125 ℃, the temperature of the fifth section cavity and the sixth section cavity is set to be 130 ℃, and the temperature of the seventh section cavity and the eighth section cavity is set to be 70-85 ℃.
5. The method for preparing direct-coating grid PET release film according to claim 1, further comprising the step (5) of cooling the grid PET release film product and then rolling.
6. The method for preparing a direct coating type grid PET release film according to any one of claims 1 to 5, wherein before the grid glue is coated on the PET base film, the surface of the PET base film to be coated with the grid glue is subjected to corona treatment in advance to form a corona layer on the surface of the PET base film.
7. The method for preparing the direct-coating grid PET release film according to claim 6, wherein the surface of the PET base film is subjected to corona treatment and then to tip sticking treatment so as to remove foreign matters on the surface of the corona layer.
8. The utility model provides a directly scribble type net PET from type membrane preparation production line, its characterized in that, its unreel machine, corona treatment equipment, viscous dust cleaning equipment, coating machine, first drying cabinet, net extrusion device, second drying cabinet, cooling device and the rolling machine that sets up including arranging in proper order, net extrusion device includes the net roller and the compression roller that sets up relatively with this net roller, the surface distribution of net roller has the net burr.
9. The production line of the direct coating type grid PET release film according to claim 8, wherein the first drying box comprises a first section cavity and a second section cavity which are sequentially arranged, and the second drying box comprises a third section cavity, a fourth section cavity, a fifth section cavity, a sixth section cavity, a seventh section cavity and an eighth section cavity which are sequentially arranged.
10. A directly coated grid PET release film, which is characterized by being prepared by the preparation method of the directly coated grid PET release film according to any one of claims 1 to 7 or the preparation production line of the directly coated grid PET release film according to any one of claims 8 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110494921.8A CN113150708A (en) | 2021-05-07 | 2021-05-07 | Direct-coating type grid PET release film and preparation method and production line thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110494921.8A CN113150708A (en) | 2021-05-07 | 2021-05-07 | Direct-coating type grid PET release film and preparation method and production line thereof |
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| CN113150708A true CN113150708A (en) | 2021-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196349A (en) * | 2021-12-14 | 2022-03-18 | 广州市金万正印刷材料有限公司 | Radiation-formed release liner with exhaust function and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969045A (en) * | 2016-05-09 | 2016-09-28 | 吉翔宝（太仓）离型材料科技发展有限公司 | Photochromic release film |
| CN107570393A (en) * | 2017-07-19 | 2018-01-12 | 深圳市佰瑞兴实业有限公司 | A kind of coating process of reticulate pattern PET silicone release films |
| CN107722323A (en) * | 2017-10-20 | 2018-02-23 | 广州林云木新材料有限公司 | Synthetic leather production mould release membrance and preparation method thereof |
| CN108299923A (en) * | 2016-08-26 | 2018-07-20 | 昆山乔伟新材料有限公司 | A kind of fluoro-containing coating, preparation method and the fluorine element release film based on fluoro-containing coating coating |
| CN109096512A (en) * | 2018-06-27 | 2018-12-28 | 江阴华美光电科技有限公司 | A kind of non-silicon PET release film and its production technology as silica gel roller protective film |
| CN210337174U (en) * | 2019-08-06 | 2020-04-17 | 山东中能光电科技有限公司 | Single-side reticulate non-silicon release film |
| CN212800225U (en) * | 2020-04-09 | 2021-03-26 | 思立科（江西）新材料有限公司 | Grid pattern PET release film |
-
2021
- 2021-05-07 CN CN202110494921.8A patent/CN113150708A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969045A (en) * | 2016-05-09 | 2016-09-28 | 吉翔宝（太仓）离型材料科技发展有限公司 | Photochromic release film |
| CN108299923A (en) * | 2016-08-26 | 2018-07-20 | 昆山乔伟新材料有限公司 | A kind of fluoro-containing coating, preparation method and the fluorine element release film based on fluoro-containing coating coating |
| CN107570393A (en) * | 2017-07-19 | 2018-01-12 | 深圳市佰瑞兴实业有限公司 | A kind of coating process of reticulate pattern PET silicone release films |
| CN107722323A (en) * | 2017-10-20 | 2018-02-23 | 广州林云木新材料有限公司 | Synthetic leather production mould release membrance and preparation method thereof |
| CN109096512A (en) * | 2018-06-27 | 2018-12-28 | 江阴华美光电科技有限公司 | A kind of non-silicon PET release film and its production technology as silica gel roller protective film |
| CN210337174U (en) * | 2019-08-06 | 2020-04-17 | 山东中能光电科技有限公司 | Single-side reticulate non-silicon release film |
| CN212800225U (en) * | 2020-04-09 | 2021-03-26 | 思立科（江西）新材料有限公司 | Grid pattern PET release film |
Non-Patent Citations (2)
| Title |
|---|
| （芬）库居凯等: "《纸和纸板加工 第13卷 》", 30 June 2017, 中国轻工业出版社 * |
| 强涛涛: "《合成革化学品》", 31 July 2016, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196349A (en) * | 2021-12-14 | 2022-03-18 | 广州市金万正印刷材料有限公司 | Radiation-formed release liner with exhaust function and preparation method and application thereof |
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