CN114686099A - Release film with stable release force and preparation method thereof - Google Patents
Release film with stable release force and preparation method thereof Download PDFInfo
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- CN114686099A CN114686099A CN202011642313.9A CN202011642313A CN114686099A CN 114686099 A CN114686099 A CN 114686099A CN 202011642313 A CN202011642313 A CN 202011642313A CN 114686099 A CN114686099 A CN 114686099A
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- release layer
- stable
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims abstract description 24
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims abstract description 12
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 3
- 239000011347 resin Substances 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 238000003851 corona treatment Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 9
- 230000001070 adhesive effect Effects 0.000 abstract description 9
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 39
- 239000003795 chemical substances by application Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002987 primer (paints) Substances 0.000 description 8
- 238000004873 anchoring Methods 0.000 description 7
- 229920002050 silicone resin Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000008096 xylene Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- 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
- C09J2483/00—Presence of polysiloxane
- C09J2483/005—Presence of polysiloxane in the release coating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a release film with stable release force, which comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 5-20 parts of silicon resin, 0.01-10 parts of cross-linking agent, 0.05-5 parts of platinum catalyst, 10-100 parts of n-heptane, 10-100 parts of toluene, 10-100 parts of dimethylbenzene, 10-100 parts of isopropanol and 10-100 parts of 120 solvent oil. The invention also discloses a preparation method of the release film. The release film provided by the invention has the characteristics of compact structure, easiness in peeling, strong matching property of the release force on the basis of ensuring that the adhesive surface characteristic is not influenced, and can be suitable for automatic adsorption and mounting of a machine without generating the phenomenon of poor adhesive pulling.
Description
Technical Field
The invention relates to the technical field of release films, in particular to a release film with stable release force and a preparation method thereof.
Background
The release film is also called as a release film, a separation film and a glue-blocking film, and refers to a film with a differentiated surface energy, and the release film does not have viscosity or slight viscosity after being contacted with a specific material under a limited condition. Because the release film has the advantages of isolation, filling, protection, easy peeling and the like, the release film is widely applied in the fields of mechanical product packaging, hot melt adhesive packaging, foam adhesive tape, sanitary nursing products (diaper), back adhesive protection and the like, and brings convenience to the production and life of people. The release force is an important performance index of the release film, and in order to enable the film to show the release force, a release agent is coated on the surface layer of the film under a common condition to form a release layer. The existing release agent formula mainly comprises main agents, cross-linking agents, catalysts, anchoring agents, solvents and other components, wherein the anchoring agents mainly have the function of improving the adhesive force between the release layer and the base material and avoiding the reduction of the service performance caused by the release layer falling off from the base material in the use process. However, the addition of the anchor agent causes unstable release force of the release film, and the release film tends to largely climb with the lapse of time, so that the release film is deteriorated in releasability and is not easily torn off, which causes inconvenience in the application of the release film.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a release film with stable release force and a preparation method thereof.
The invention provides a release film with stable release force, which comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 5-20 parts of silicon resin, 0.01-10 parts of cross-linking agent, 0.05-5 parts of platinum catalyst, 10-100 parts of n-heptane, 10-100 parts of toluene, 10-100 parts of dimethylbenzene, 10-100 parts of isopropanol and 10-100 parts of 120 solvent oil.
The preparation method of the release film with stable release force comprises the steps of carrying out corona treatment on the surface of a film, and then compounding a release layer on the surface of the film; or compounding a bottom coating on the surface of the film, and connecting the film and the release layer through the bottom coating.
Preferably, the preparation method of the release film with stable release force comprises the following steps:
s11, carrying out corona treatment on the surface of the film by using high-frequency alternating voltage;
and S12, uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film subjected to corona treatment, and curing to form the release layer.
Preferably, in the step S11, the high-frequency ac voltage of the corona treatment is 5000-.
Preferably, the preparation method of the release film with stable release force comprises the following steps:
s21, coating the primer on the surface of the film, and drying to form the primer;
and S22, uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film compounded with the bottom coating, and curing to form the release layer.
Preferably, the primer comprises the following raw materials in parts by weight: 1-20 parts of water-soluble polyester, 5-50 parts of water, 5-50 parts of isopropanol and 0.01-1 part of cross-linking agent.
Preferably, in the step S21, the drying temperature is 80-120 ℃ and the drying time is 0.5-2 min.
Preferably, the curing conditions are 140-160 ℃ and 1.5-3min, and the curing temperature is 35-45 ℃ and 36-60 h.
The invention has the following beneficial effects:
according to the invention, the formula of the release layer is adjusted, the problem of release force climbing is solved by not adding an anchoring agent, the surface of the film is subjected to corona treatment, high-frequency alternating voltage (5000 plus 15000V/square meter) treatment is utilized to form free radicals on the surface of the film, and the surface is damaged by ionic shock to increase the adhesive force between the film and the release layer, or a primer coating is arranged between the release layer and the film to play a connecting role, and the adhesive force between the film and the release layer is increased due to the strong gripping force among the primer coating, the film material and the release layer, so that the release layer is prevented from falling off from a base material in the using process. The release film provided by the invention has the characteristics of stable release force, compact structure, easy peeling, strong matching property of the release force on the basis of ensuring that the adhesive surface characteristic is not influenced, and can be suitable for automatic adsorption and mounting of a machine without generating the phenomenon of poor adhesive pulling.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
In the following examples and comparative examples, the silicone resin type adopted was LTC-759, and the manufacturer was Dow; the type of the cross-linking agent is 7672, and the manufacturer is Dow; the type of the anchoring agent is 297, and the manufacturer is Dow; the water-soluble polyester is WR-901, and the manufacturer is Shanghai rice-leaved rice-gargle.
Example 1
The release film with stable release force comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 5 parts of silicone resin, 0.01 part of cross-linking agent, 0.05 part of platinum catalyst, 10 parts of n-heptane, 10 parts of toluene, 10 parts of xylene, 10 parts of isopropanol and 10 parts of 120 solvent oil.
Example 2
The release film with stable release force comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 20 parts of silicone resin, 10 parts of cross-linking agent, 5 parts of platinum catalyst, 100 parts of n-heptane, 100 parts of toluene, 100 parts of xylene, 100 parts of isopropanol and 100 parts of 120 solvent oil.
Example 3
The release film with stable release force comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 10 parts of silicone resin, 0.07 part of cross-linking agent, 0.15 part of platinum catalyst, 35 parts of n-heptane, 35 parts of toluene, 35 parts of xylene, 15 parts of isopropanol and 35 parts of 120 solvent oil.
The preparation method of the release film with stable release force comprises the following steps:
s11, performing corona treatment on the surface of the film by using 10000V/square meter of high-frequency alternating voltage;
s12, uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film subjected to corona treatment, curing at 150 ℃ for 2min, and curing at 40 ℃ for 48h to form the release layer.
Example 4
The release film with stable release force comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 10 parts of silicone resin, 0.07 part of cross-linking agent, 0.15 part of platinum catalyst, 35 parts of n-heptane, 35 parts of toluene, 35 parts of xylene, 15 parts of isopropanol and 35 parts of 120 solvent oil.
The preparation method of the release film with stable release force comprises the following steps:
s21, coating a primer on the surface of the film, and drying at 100 ℃ for 1min to form the primer, wherein the primer comprises the following raw materials in parts by weight: 10 parts of water-soluble polyester, 20 parts of water, 20 parts of isopropanol and 0.2 part of cross-linking agent;
s22, uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film compounded with the bottom coating, curing the mixture for 2min at 150 ℃, and curing the mixture for 48h at 40 ℃ to form the release layer.
Comparative example 1
The conventional release film comprises a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 10 parts of silicone resin, 0.07 part of cross-linking agent, 0.15 part of platinum catalyst, 0.015 part of anchoring agent, 35 parts of n-heptane, 35 parts of toluene, 35 parts of xylene, 15 parts of isopropanol and 35 parts of 120 solvent oil.
The preparation method of the conventional release film comprises the following steps: uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film, curing the mixture for 2min at 150 ℃, and curing the mixture for 48h at 40 ℃ to form the release layer.
Comparative example 2
Comparative example 2 differs from comparative example 1 only in that: in the raw material formula of the release layer, 0.01 part of anchoring agent is used.
Comparative example 3
Comparative example 2 differs from comparative example 1 only in that: in the raw material formula of the release layer, 0.005 part of anchoring agent is used.
Test examples
The release films prepared in examples 3-4 and comparative examples 1-3 were subjected to performance tests according to the following methods: the surface of the release film is wiped back and forth for 50 times by using alcohol-wetted dust-free cloth, whether the difference of haze exists between the wiping position and the non-wiping position is observed, and whether the phenomenon of dropping of a silicon oil layer exists at the wiping position is also observed, if the difference of haze does not exist between the wiping position and the non-wiping position, and the silicon oil layer is qualified if the silicon oil layer drops, otherwise, the silicon oil layer is unqualified; and (3) respectively testing the release force of the prepared release film in 0min and the release force after the release film is placed at normal temperature for 48h, wherein the test method of the release force refers to GBT 25256-2010.
The test results are shown in table 1:
TABLE 1 Release film Performance test results
Therefore, the release film prepared by the invention has the advantages of stable release force and difficulty in climbing, and the adhesive force can meet the use requirement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The release film with stable release force is characterized by comprising a film and a release layer compounded on the film, wherein the release layer comprises the following raw materials in parts by weight: 5-20 parts of silicon resin, 0.01-10 parts of cross-linking agent, 0.05-5 parts of platinum catalyst, 10-100 parts of n-heptane, 10-100 parts of toluene, 10-100 parts of dimethylbenzene, 10-100 parts of isopropanol and 10-100 parts of 120 solvent oil.
2. The preparation method of the release film with stable release force according to claim 1, characterized in that the surface of the film is subjected to corona treatment, and then the release layer is compounded on the surface of the film; or compounding a bottom coating on the surface of the film, and connecting the film and the release layer through the bottom coating.
3. The method for preparing the release film with stable release force according to claim 2, which comprises the following steps:
s11, carrying out corona treatment on the surface of the film by using high-frequency alternating voltage;
and S12, uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film subjected to corona treatment, and curing to form the release layer.
4. The method for preparing a release film with stable release force according to claim 3, wherein in the step S11, the high-frequency alternating voltage of the corona treatment is 5000-15000V/square meter.
5. The method for preparing the release film with stable release force according to claim 2, which comprises the following steps:
s21, coating the primer on the surface of the film, and drying to form the primer;
and S22, uniformly mixing the raw materials of the release layer, coating the mixture on the surface of the film compounded with the bottom coating, and curing to form the release layer.
6. The preparation method of the release film with stable release force according to claim 5, wherein the primer comprises the following raw materials in parts by weight: 1-20 parts of water-soluble polyester, 5-50 parts of water, 5-50 parts of isopropanol and 0.01-1 part of cross-linking agent.
7. The method for preparing a release film with stable release force according to claim 5 or 6, wherein in the step S21, the drying temperature is 80-120 ℃ and the drying time is 0.5-2 min.
8. The method for preparing a release film with stable release force according to any one of claims 3-7, wherein the curing conditions are 140 ℃ and 160 ℃ for 1.5-3min, and the curing temperature is 35-45 ℃ and 36-60 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642313.9A CN114686099A (en) | 2020-12-31 | 2020-12-31 | Release film with stable release force and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642313.9A CN114686099A (en) | 2020-12-31 | 2020-12-31 | Release film with stable release force and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114686099A true CN114686099A (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011642313.9A Pending CN114686099A (en) | 2020-12-31 | 2020-12-31 | Release film with stable release force and preparation method thereof |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6737119B1 (en) * | 2002-12-17 | 2004-05-18 | Toray Saehan Incorporation | Method for producing release film using silicone aqueous emulsion release liquid |
| CN104191700A (en) * | 2014-09-02 | 2014-12-10 | 浙江洁美电子科技股份有限公司 | Release film used for casting MLCC (Multiplayer Ceramic Chip Capacitor) |
| CN105419630A (en) * | 2015-12-15 | 2016-03-23 | 东莞市纳利光学材料有限公司 | Release film for Optically Clear Adhesive (OCA) and preparation method of release film |
| CN105542655A (en) * | 2015-12-23 | 2016-05-04 | 东莞市纳利光学材料有限公司 | A mold release agent used for OCA optical adhesive films and a preparing method thereof |
| CN108753124A (en) * | 2018-06-01 | 2018-11-06 | 上海汉熵新材料科技有限公司 | A kind of water base dumb light pigment transfer film and preparation method thereof |
| CN109251691A (en) * | 2018-06-28 | 2019-01-22 | 张家港康得新光电材料有限公司 | A kind of silicone protective film |
-
2020
- 2020-12-31 CN CN202011642313.9A patent/CN114686099A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6737119B1 (en) * | 2002-12-17 | 2004-05-18 | Toray Saehan Incorporation | Method for producing release film using silicone aqueous emulsion release liquid |
| CN104191700A (en) * | 2014-09-02 | 2014-12-10 | 浙江洁美电子科技股份有限公司 | Release film used for casting MLCC (Multiplayer Ceramic Chip Capacitor) |
| CN105419630A (en) * | 2015-12-15 | 2016-03-23 | 东莞市纳利光学材料有限公司 | Release film for Optically Clear Adhesive (OCA) and preparation method of release film |
| CN105542655A (en) * | 2015-12-23 | 2016-05-04 | 东莞市纳利光学材料有限公司 | A mold release agent used for OCA optical adhesive films and a preparing method thereof |
| CN108753124A (en) * | 2018-06-01 | 2018-11-06 | 上海汉熵新材料科技有限公司 | A kind of water base dumb light pigment transfer film and preparation method thereof |
| CN109251691A (en) * | 2018-06-28 | 2019-01-22 | 张家港康得新光电材料有限公司 | A kind of silicone protective film |
Non-Patent Citations (1)
| Title |
|---|
| 王文广: "《塑料改性实用技术》", 31 March 2003, 中国轻工业出版社 * |
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Application publication date: 20220701 |