CN110819262A - PET release film applied to MLCC and preparation method thereof - Google Patents
PET release film applied to MLCC and preparation method thereof Download PDFInfo
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- CN110819262A CN110819262A CN201911265571.7A CN201911265571A CN110819262A CN 110819262 A CN110819262 A CN 110819262A CN 201911265571 A CN201911265571 A CN 201911265571A CN 110819262 A CN110819262 A CN 110819262A
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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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09J2467/005—Presence of polyester in the release coating
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a preparation method of a transparent PET release film applied to MLCC, which comprises the following steps of 1) preparing a coating material by 120#D28, butanone and isopropanol as solvent; 2) the corona value is more than 50 when the original film is treated by corona; the dust removal treatment uses a double-sided dust removal device; 3) the precise coating mode is slit coating, and the coating speed is 80 m/min; 4) and (3) thermal curing: 5) and material receiving and rolling: tension is 175N and taper is 60% when rolling; the pressure of the laminating roller is 0.4 MPa/0.4 MPa; the pressure of the traction roller is 0.2 MPa/0.2 MPa; the PET release film applied to the MLCC has the advantages that the light transmittance is more than 90%, the haze is less than 2.5%, and the release force stability (normal temperature) is 13g +/-3 g; under one hundred times of magnifying glass, no visible particles or foreign matters exist, the film surface is flat, no longitudinal lines, water ripples, transverse lines and obvious rainbow lines exist, and the aging stability is 15-25g, residual adhesion > 85%.
Description
Technical Field
The invention relates to the technical field of release films, in particular to a PET release film applied to MLCC and a preparation method thereof.
Background
The MLCC is a chip type multilayer ceramic capacitor, ceramic dielectric films with printed electrodes are overlapped in a staggered mode, a ceramic chip is formed through one-time high-temperature sintering, metal layers are sealed at two ends of the chip, and therefore a structural body similar to a monolithic body is formed.
The special release film for the MLCC can achieve good stability under extreme conditions, the high temperature resistance can reach about 130 ℃ in a long time, and the high temperature resistance can reach about 180 ℃ in 1 hour; the thickness tolerance of the transparent PET original film is within 1um, and the smoothness is higher than that of other PET original films; the problem of the release force at the normal temperature of 20min and the problem of the release force after aging, which relate to a production process, a test method, a test adhesive tape (New/old Sasa 7475 adhesive tape) and the like, is solved; the transparent PET release film applied to MLCC has high light transmittance, low haze, stable release force and delicate film surface, breaks through the monopoly of foreign release film market to the field, has lower price than the foreign market, and brings certain benefits for the economic growth of China.
Disclosure of Invention
The invention aims to solve the technical problem of providing a PET release film which is high in light transmittance, low in haze, stable in release force and exquisite in film surface and is applied to MLCC (multilayer ceramic capacitor) and a production process thereof.
The technical scheme adopted by the invention for solving the problems is as follows: the PET release film applied to the MLCC comprises the following components in parts by mass: 120#3-8 parts of solvent oil, 0.5-1.5 parts of D28 solvent oil, 5-12 parts of butanone, 0.5-1.5 parts of isopropanol, 0.3-1 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.12 part of catalyst.
Preferably, the PET release film comprises the following components in parts by mass: 120#5 parts of solvent oil, 0.5 part of D28 solvent oil, 8 parts of butanone, 0.8 part of isopropanol, 0.6 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.012 part of catalyst.
The invention provides a preparation method of a PET release film applied to MLCC, which comprises the following steps:
1) the preparation of the coating adopts Dow Corning 7458 silicone oil as a silicone oil main agent; will 120#Mixing solvent oil, D28 solvent oil, butanone and isopropanol as solvent; 1Stirring at 200 rpm for 30 minutes, filtering with a 200-mesh filter screen, and using within 3 hours;
2) the original membrane treatment adopts domestic constant force, and the model is as follows: the RL030NV004 film is used as a base material, the corona value is more than 50 during corona treatment, and the difference between any two points is not more than 5;
3) the precision coating adopts a slit coating technology, so that the uniformity and the stability of the coating are ensured, and the coating moisture content per square meter is 9-11 g;
4) and drying and curing: the temperature of the oven in the oven is set to 90 +/-5 ℃, 125 +/-3 ℃, 140 +/-3 ℃, 110 +/-3 ℃ and 90 +/-5 ℃ in sequence; the total air volume in the oven is 28000m3/h；
5) And material receiving and rolling: the tension during rolling is 175N, and the taper is 60%.
Preferably, step 1) adopts Xinyue KS-3755 silicone oil as a silicone oil main agent, and adopts a mixture of 120# solvent oil, D30 solvent oil, ethyl acetate and isopropanol as a solvent.
Preferably, the dust removal treatment in the step 2) uses a double-sided dust removal device.
Preferably, the coating mode in the step 3) is reverse coating, and the coating speed is 80 m/min.
Preferably, in the step 4), the cleanliness of the oven is not more than 1000 dust particles with the cleanliness of 0.5 or more per cubic foot.
Preferably, the pressure of the laminating roller in the step 5) is 0.4 MPa/0.4 MPa; the pressure of the traction roller is 0.2MPa/G:0.2 MPa.
Compared with the prior art, the invention has the advantages that:
the transparent PET release film has the advantages that the light transmittance is more than 90%, the haze is less than 2.5%, and the release force stability (at normal temperature) is 13g +/-3 g; under the condition of one hundred times of a magnifier, no visible particles or foreign matters exist, the film surface is flat, no longitudinal lines, water ripples, transverse lines and obvious rainbow lines exist, the aging stability is 15-25g, and the residual adhesion rate is more than 85%. .
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A transparent PET release film applied to MLCC comprises the following components in parts by mass: 120#5 parts of solvent oil, 0.5 part of D28 solvent oil, 8 parts of butanone, 0.8 part of isopropanol, 0.6 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.012 part of catalyst.
The production process of the transparent PET release film applied to the MLCC comprises the following steps:
1) the preparation of the coating adopts Dow Corning 7458 silicone oil as a silicone oil main agent; will 120#Mixing solvent oil, D28 solvent oil, butanone and isopropanol as solvent; stirring at 1200 rpm for 30 minutes, filtering with a 200-mesh filter screen, and using within 3 hours;
2) the original film is treated, the transparent PET film with better smoothness and temperature resistance is replaced, and the surface is subjected to corona treatment and dust removal treatment; the film with high replacement smoothness can well solve the problem of thickness tolerance of the ceramic electric paste when being coated on the surface of the release film, the temperature resistance of the film can improve the smoothness of the film after the ceramic electric paste is coated on the surface of the release film for dozens to hundreds of times, and the film can bear the influence of the ceramic paste on the film during high-temperature calcination; the corona value is more than 50 during the corona treatment, and the difference between any two points is not more than 5; thereby enhancing the adhesion of the film surface; the silicon oil solution can be better attached to the surface of the original film, and the dust removal treatment uses a double-sided dust removal device, so that the floating dust on the surface of the original film is effectively reduced, and the cleanliness of the product is greatly improved;
3) the precise coating adopts a slit coating technology, the coating traction tension is 85N, the coating tension is 100N, the coating mode is direct coating, the slit coating can solve the problem of plate blockage of micro-concave coating, the similar products do not need to clean a coating head, the coating thickness tolerance of the left, the middle and the right can be improved compared with the micro-concave anilox roller coating, the coating thickness uniformity is improved, the coating production speed can be improved to 80m/min (60 m/min is improved by 30 percent compared with the conventional coating), the coating moisture content per square meter is 9-11g, and the coating amount between any two points of the prepared PET release film is ensured not to be more than 0.01g/m2；
4) And drying the mixtureAnd (3) curing: the temperature of the oven in the oven is set to 90 +/-5 ℃, 125 +/-3 ℃, 140 +/-3 ℃, 110 +/-3 ℃ and 90 +/-5 ℃ in sequence; the total air volume in the oven is 28000m3H; the cleanliness of the oven is that in each cubic foot, dust particles larger than or equal to 0.5 cannot exceed 1000; the maximum temperature of 140 ℃ can ensure that the silicone oil is completely and normally cured, prevent the silicone oil layer from falling off and solve the problem of poor local reaction, and the influence of high temperature on the hot wrinkle generated by the PET base film is reduced to the minimum while the performance is ensured, so that the prepared PET release film has good appearance while the performance is ensured, and the requirement of customer use is met.
5) And material receiving and rolling: tension is 175N and taper is 60% when rolling; the pressure of the laminating roller is 0.4 MPa/0.4 MPa; the pressure of the traction roller is 0.2MPa/G:0.2 MPa. Adopt 5 um's ultra-thin two sticky tapes to connect the material, the meter number of the pipe core pipe die film that has significantly reduced, 30 um's transparent PET is controlled within 50 meters from the die film by the pipe pressure that originally is close 350 meters to reduce the use meter number of producing former membrane, increased the effective use length from the die film simultaneously, reduced a large amount of solid waste's formation.
Example 2
A transparent PET release film applied to MLCC comprises the following components in parts by mass: 120#6 parts of solvent oil, 1.2 parts of D28 solvent oil, 10 parts of butanone, 0.9 part of isopropanol, 0.7 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.012 part of catalyst. .
The production process of the transparent PET release film applied to the MLCC comprises the following steps:
1) the preparation of the coating adopts Dow Corning 7458 silicone oil as a silicone oil main agent; will 120#Mixing solvent oil, D28 solvent oil, butanone and isopropanol as solvent; stirring at 1200 rpm for 30 minutes, filtering with a 200-mesh filter screen, and using within 3 hours;
2) the original film is treated, the transparent PET film with better smoothness and temperature resistance is replaced, and the surface is subjected to corona treatment and dust removal treatment; the film with high replacement smoothness can well solve the problem of thickness tolerance of the ceramic electric paste when being coated on the surface of the release film, the temperature resistance of the film can improve the smoothness of the film after the ceramic electric paste is coated on the surface of the release film for dozens to hundreds of times, and the film can bear the influence of the ceramic paste on the film during high-temperature calcination; the corona value is more than 50 during the corona treatment, and the difference between any two points is not more than 5; thereby enhancing the adhesion of the film surface; the silicon oil solution can be better attached to the surface of the original film, and the dust removal treatment uses a double-sided dust removal device, so that the floating dust on the surface of the original film is effectively reduced, and the cleanliness of the product is greatly improved;
3) the precise coating adopts a slit coating technology, the coating traction tension is 85N, the coating tension is 100N, the coating mode is direct coating, the slit coating can solve the problem of plate blockage of micro-concave coating, the similar products do not need to clean a coating head, the coating thickness tolerance of the left, the middle and the right can be improved compared with the micro-concave anilox roller coating, the coating thickness uniformity is improved, the coating production speed can be improved to 80m/min (60 m/min is improved by 30 percent compared with the conventional coating), the coating moisture content per square meter is 9-11g, and the coating amount between any two points of the prepared PET release film is ensured not to be more than 0.01g/m2；
4) And drying and curing: the temperature of the oven in the oven is set to 90 +/-5 ℃, 125 +/-3 ℃, 140 +/-3 ℃, 110 +/-3 ℃ and 90 +/-5 ℃ in sequence; the total air volume in the oven is 28000m3H; the cleanliness of the oven is that in each cubic foot, dust particles larger than or equal to 0.5 cannot exceed 1000; the maximum temperature of 140 ℃ can ensure that the silicone oil is completely and normally cured, prevent the silicone oil layer from falling off and solve the problem of poor local reaction, and the influence of high temperature on the hot wrinkle generated by the PET base film is reduced to the minimum while the performance is ensured, so that the prepared PET release film has good appearance while the performance is ensured, and the requirement of customer use is met.
5) And material receiving and rolling: tension is 175N and taper is 60% when rolling; the pressure of the laminating roller is 0.4 MPa/0.4 MPa; the pressure of the traction roller is 0.2MPa/G:0.2 MPa. Adopt 5 um's ultra-thin two sticky tapes to connect the material, the meter number of the pipe core pipe die film that has significantly reduced, 30 um's transparent PET is controlled within 50 meters from the die film by the pipe pressure that originally is close 350 meters to reduce the use meter number of producing former membrane, increased the effective use length from the die film simultaneously, reduced a large amount of solid waste's formation.
Example 3
A transparent PET release film applied to MLCC comprises the following components in parts by mass: 120#4.9 parts of solvent oil, 1.3 parts of D28 solvent oil, 8 parts of butanone, 0.6 part of isopropanol, 0.4 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.012 part of catalyst.
The production process of the transparent PET release film applied to the MLCC comprises the following steps:
1) the coating preparation adopts Dow Corning 7362 silicone oil as a silicone oil main agent; will 120#Mixing solvent oil, D28 solvent oil, butanone and isopropanol as solvent; stirring at 1200 rpm for 30 minutes, filtering with a 200-mesh filter screen, and using within 3 hours;
2) the original film is treated, the transparent PET film with better smoothness and temperature resistance is replaced, and the surface is subjected to corona treatment and dust removal treatment; the film with high replacement smoothness can well solve the problem of thickness tolerance of the ceramic electric paste when being coated on the surface of the release film, the temperature resistance of the film can improve the smoothness of the film after the ceramic electric paste is coated on the surface of the release film for dozens to hundreds of times, and the film can bear the influence of the ceramic paste on the film during high-temperature calcination; the corona value is more than 50 during the corona treatment, and the difference between any two points is not more than 5; thereby enhancing the adhesion of the film surface; the silicon oil solution can be better attached to the surface of the original film, and the dust removal treatment uses a double-sided dust removal device, so that the floating dust on the surface of the original film is effectively reduced, and the cleanliness of the product is greatly improved;
3) the precise coating adopts a slit coating technology, the coating traction tension is 85N, the coating tension is 100N, the coating mode is direct coating, the slit coating can solve the problem of plate blockage of micro-concave coating, the similar products do not need to clean a coating head, the coating thickness tolerance of the left, the middle and the right can be improved compared with the micro-concave anilox roller coating, the coating thickness uniformity is improved, the coating production speed can be improved to 80m/min (60 m/min is improved by 30 percent compared with the conventional coating), the coating moisture content per square meter is 9-11g, and the coating amount between any two points of the prepared PET release film is not more than that between any two points of the prepared PET release film0.01g/m2；
4) And drying and curing: the temperature of the oven in the oven is set to 90 +/-5 ℃, 125 +/-3 ℃, 140 +/-3 ℃, 110 +/-3 ℃ and 90 +/-5 ℃ in sequence; the total air volume in the oven is 28000m3H; the cleanliness of the oven is that in each cubic foot, dust particles larger than or equal to 0.5 cannot exceed 1000; the maximum temperature of 140 ℃ can ensure that the silicone oil is completely and normally cured, prevent the silicone oil layer from falling off and solve the problem of poor local reaction, and the influence of high temperature on the hot wrinkle generated by the PET base film is reduced to the minimum while the performance is ensured, so that the prepared PET release film has good appearance while the performance is ensured, and the requirement of customer use is met.
5) And material receiving and rolling: tension is 175N and taper is 60% when rolling; the pressure of the laminating roller is 0.4 MPa/0.4 MPa; the pressure of the traction roller is 0.2MPa/G:0.2 MPa. Adopt 5 um's ultra-thin two sticky tapes to connect the material, the meter number of the pipe core pipe die film that has significantly reduced, 30 um's transparent PET is controlled within 50 meters from the die film by the pipe pressure that originally is close 350 meters to reduce the use meter number of producing former membrane, increased the effective use length from the die film simultaneously, reduced a large amount of solid waste's formation.
Table 1 shows the comparison of the performances of the PET release film applied to the MLCC and the common PET release film manufactured in the embodiments 1-3.
As can be seen from Table 1, the transparent PET release films applied to MLCC produced in examples 1-3 have the light transmittance of more than 90%, the haze of less than 2.5 and the release force stability (20 min at normal temperature) of 13g +/-3 g; under the condition of one hundred times of the magnifier, no visible particles or foreign matters exist, the film surface is flat, no longitudinal lines, water ripples, transverse lines and obvious rainbow lines exist, the aging is stabilized at 15-25g, and the residual adhesion rate is more than 85%.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (8)
1. The PET release film applied to the MLCC is characterized by comprising the following components in parts by mass: 120#3-8 parts of solvent oil, 0.5-1.5 parts of D28 solvent oil, 5-12 parts of butanone, 0.5-1.5 parts of isopropanol, 0.3-1 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.12 part of catalyst.
2. The PET release film applied to MLCC according to claim 1, which comprises the following components in parts by mass: 120#5 parts of solvent oil, 0.5 part of D28 solvent oil, 8 parts of butanone, 0.8 part of isopropanol, 0.6 part of Dow Corning 7458 silicone oil main agent, 0.003 part of anchoring agent and 0.012 part of catalyst.
3. A method for preparing the PET release film for MLCC according to claim 1, wherein: the method comprises the following steps:
1) the preparation of the coating adopts Dow Corning 7458 silicone oil as a silicone oil main agent; will 120#Mixing solvent oil, D28 solvent oil, butanone and isopropanol as solvent; stirring at 1200 rpm for 30 minutes, filtering with a 200-mesh filter screen, and using within 3 hours;
2) the original membrane treatment adopts domestic constant force, and the model is as follows: the RL030NV004 film is used as a base material, the corona value is more than 50 during corona treatment, and the difference between any two points is not more than 5;
3) the precision coating adopts a slit coating technology, so that the uniformity and the stability of the coating are ensured, and the coating moisture content per square meter is 9-11 g;
4) and drying and curing: the temperature of the oven in the oven is set to 90 +/-5 ℃, 125 +/-3 ℃, 140 +/-3 ℃, 110 +/-3 ℃ and 90 +/-5 ℃ in sequence; the total air volume in the oven is 28000m3/h；
5) And material receiving and rolling: the tension during rolling is 175N, and the taper is 60%.
4. The method for preparing the PET release film for MLCC according to claim 3, wherein step 1) adopts Xinyue KS-3755 silicone oil as a silicone oil main agent, and 120# solvent oil, D30 solvent oil, ethyl acetate and isopropanol are mixed as a solvent.
5. The method for preparing the PET release film for MLCC according to claim 3, wherein the dust removing treatment in step 2) uses a double-sided dust removing device.
6. The method for preparing the PET release film for MLCC according to claim 3, wherein the coating manner in the step 3) is reverse coating, and the coating speed is 80 m/min.
7. The method for preparing a PET release film for MLCCs according to claim 1, wherein the oven cleanliness in step 4) is not more than 1000 dust particles of 0.5 or more per cubic foot.
8. The method for preparing the PET release film applied to the MLCC according to claim 1, wherein the pressure of the laminating roller in the step 5) is 0.4MPa/G:0.4 MPa; the pressure of the traction roller is 0.2MPa/G:0.2 MPa.
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| CN201911265571.7A CN110819262A (en) | 2019-12-11 | 2019-12-11 | PET release film applied to MLCC and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978086A (en) * | 2021-12-23 | 2022-01-28 | 常州钟恒新材料股份有限公司 | Easily-stripped MLCC (multilayer ceramic capacitor) release film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049131A (en) * | 2001-08-03 | 2003-02-21 | Dainippon Ink & Chem Inc | Heat-shrinkable adhesive tape |
| WO2009014897A2 (en) * | 2007-07-23 | 2009-01-29 | 3M Innovative Properties Company | Antistatic article, method of making the same, and display device having the same |
| CN106893129A (en) * | 2017-03-02 | 2017-06-27 | 江阴华美光电科技有限公司 | A kind of PET mould release membrances and its production technology for being applied to OCA glue |
| CN108822328A (en) * | 2018-06-27 | 2018-11-16 | 江阴华美光电科技有限公司 | A kind of PET release film and its production technology instead of graphite flake protective film |
-
2019
- 2019-12-11 CN CN201911265571.7A patent/CN110819262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049131A (en) * | 2001-08-03 | 2003-02-21 | Dainippon Ink & Chem Inc | Heat-shrinkable adhesive tape |
| WO2009014897A2 (en) * | 2007-07-23 | 2009-01-29 | 3M Innovative Properties Company | Antistatic article, method of making the same, and display device having the same |
| CN106893129A (en) * | 2017-03-02 | 2017-06-27 | 江阴华美光电科技有限公司 | A kind of PET mould release membrances and its production technology for being applied to OCA glue |
| CN108822328A (en) * | 2018-06-27 | 2018-11-16 | 江阴华美光电科技有限公司 | A kind of PET release film and its production technology instead of graphite flake protective film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978086A (en) * | 2021-12-23 | 2022-01-28 | 常州钟恒新材料股份有限公司 | Easily-stripped MLCC (multilayer ceramic capacitor) release film and preparation method thereof |
| CN113978086B (en) * | 2021-12-23 | 2022-04-08 | 常州钟恒新材料股份有限公司 | Preparation method of easily-stripped MLCC (multilayer ceramic capacitor) release film |
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