CN116120614B - Ultralight fluorine release film - Google Patents
Ultralight fluorine release film Download PDFInfo
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- CN116120614B CN116120614B CN202211259721.5A CN202211259721A CN116120614B CN 116120614 B CN116120614 B CN 116120614B CN 202211259721 A CN202211259721 A CN 202211259721A CN 116120614 B CN116120614 B CN 116120614B
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 135
- 239000011737 fluorine Substances 0.000 title claims abstract description 135
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 100
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 47
- 239000002904 solvent Substances 0.000 claims abstract description 38
- 239000003054 catalyst Substances 0.000 claims abstract description 29
- 229920000728 polyester Polymers 0.000 claims abstract description 26
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims abstract description 25
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920002799 BoPET Polymers 0.000 claims abstract description 24
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000003851 corona treatment Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims description 67
- 239000011259 mixed solution Substances 0.000 claims description 47
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 32
- 239000012046 mixed solvent Substances 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000003085 diluting agent Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 17
- 238000000576 coating method Methods 0.000 abstract description 17
- 239000000203 mixture Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 31
- 239000011521 glass Substances 0.000 description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- -1 polytetrafluoroethylene, ethylene-tetrafluoroethylene copolymer Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- 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
-
- 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
- C08J7/054—Forming anti-misting or drip-proofing coatings
-
- 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
- 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
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
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Abstract
The utility model provides an ultralight fluorine is from type membrane, is including transparent biaxially oriented polyester PET film, transparent biaxially oriented polyester PET film is including corona surface through corona treatment, its characterized in that: the corona surface is coated with an ultralight fluorine release layer, and the ultralight release layer is formed by mixing 20-30 parts of fluorine-containing solvent, 30-40 parts of n-heptane, 15-25 parts of methyl isobutyl ketone, 10-15 parts of isopropyl ether, 2-5 parts of m-benzotrifluoride, 7-13 parts of ultralight fluorine release agent, 0.07-0.14 part of cross-linking agent and 0.020-0.030 part of catalyst, and coating the mixture on the corona surface. The invention effectively eliminates the appearance problems of rainbow lines, pinholes, white fog and the like on the surface of the release film. And a large amount of non-fluorine-containing solvent is added, so that the manufacturing cost of the fluorine release film is greatly reduced, and the release force of the prepared release film is good in long-term stability.
Description
Technical Field
An ultralight fluorine release film belongs to the technical field of film materials.
Background
Release films are also known as release films. In order to increase the release force of the plastic film, the plastic film is usually subjected to plasma treatment, fluorine-coated treatment, or silicon (silicone) release agent on the surface layer of the film material, such as PET, PE, OPP; can show extremely light and stable release force for various organic pressure sensitive adhesives (such as hot melt adhesive, acrylic adhesive and rubber pressure sensitive adhesive). According to the release force of the release film required by different types, the viscosity of the isolation product adhesive is different, and the release force is correspondingly adjusted, so that the release force is extremely light and stable during stripping.
Chinese patent 201911317773.1 provides a release film constructed by fluorine-containing resin and polyester material, which comprises a first raw material, a second raw material and a third raw material, wherein the first raw material is at least one of polytetrafluoroethylene, ethylene-tetrafluoroethylene copolymer, polyvinylidene fluoride and polyvinyl fluoride, the second raw material is a bonding material, the third raw material is a polyester material, and the three-layer release film with a structure of release layer-bonding layer-supporting layer is obtained by co-extrusion through three extruders.
Chinese patent 202011027430.4 discloses a fluorine release film and a preparation method thereof. The fluorine release film comprises a substrate layer, an antistatic coating and a fluorine release coating, wherein the antistatic coating and the fluorine release coating are respectively formed by coating an antistatic coating and a fluorine release coating. Although the bonding force among the release film substrate layer, the antistatic coating and the fluorine release coating is high, the appearance problems such as rainbow lines, pinholes, white fog and the like can exist on the surface of the release film.
At present, a release film technology which can not only better dissolve a release agent, but also effectively eliminate appearance problems such as rainbow lines, pinholes, white fog and the like on the surface of the release film is lacking.
Disclosure of Invention
The invention aims to solve the technical problems that: overcomes the defects of the prior art, and provides the ultra-light fluorine release film which can not only better dissolve the release agent, but also effectively eliminate the appearance problems of rainbow lines, pinholes, white fog and the like on the surface of the release film.
The technical scheme adopted for solving the technical problems is as follows: the ultralight fluorine release film comprises a transparent biaxially oriented polyester PET film, wherein the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, and is characterized in that:
the corona surface is coated with an ultralight fluorine release layer, and the ultralight fluorine release layer comprises the following components in parts by weight: 20-30 parts of fluorine-containing solvent, 30-40 parts of n-heptane, 15-25 parts of methyl isobutyl ketone, 10-15 parts of isopropyl ether, 2-5 parts of m-benzotrifluoride, 7-13 parts of ultra-light fluorine release agent, 0.07-0.14 part of cross-linking agent and 0.020-0.030 part of catalyst.
According to the invention, the ultra-light fluorine release layer with a specific proportion is coated on the corona surface, so that the appearance problems of rainbow lines, pinholes, white fog and the like on the surface of the release film can be effectively eliminated. The ultra-light fluorine release layer is composed of common materials, the manufacturing cost of the fluorine release film is greatly reduced, and the release force of the prepared release film is good in long-term stability, so that the problem of poor stripping in the use process of the organic silicon pressure-sensitive adhesive can be effectively solved.
The preferable ultra-light fluorine release film comprises the following components in parts by weight: 24-27 parts of fluorine-containing solvent, 37-40 parts of n-heptane, 18-22 parts of methyl isobutyl ketone, 10-12 parts of isopropyl ether, 4-5 parts of m-benzotrifluoride, 10-11 parts of ultra-light fluorine release agent, 0.1-0.12 part of cross-linking agent and 0.023-0.026 part of catalyst. The preferable composition in parts by weight can more effectively eliminate the appearance problems of rainbow lines, pinholes, white fog and the like on the surface of the release film.
The more preferable ultra-light fluorine release film comprises the following components in parts by weight: 25 parts of fluorine-containing solvent, 40 parts of n-heptane, 20 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-benzotrifluoride, 10 parts of ultra-light fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst. More preferred compositions in parts by weight achieve the best results of the present invention.
The thickness of the transparent biaxially oriented polyester PET film is 12-100 mu m.
The preferable ultra-light fluorine release film is characterized in that the ultra-light fluorine release agent is a DFS-901 release agent main agent. The ultra-light fluorine release agent is a DFS-901 release agent main agent produced by Shandong Dongyue groups, can meet the requirements of the ultra-light fluorine release agent, and achieves the effect of better eliminating rainbow lines, pinholes and white fog on the surface of the release film.
A preferable ultra-light fluorine release film is provided, and the cross-linking agent is DFS-93. The cross-linking agent is DFS-93 produced by Shandong Dongyue group, can meet the requirement of the cross-linking agent in the invention, and achieves the effect of better eliminating rainbow lines, pinholes and white fog on the surface of the release film.
Preferably, the catalyst is a zero-valent platinum complex. The zero-valent platinum complex catalyst is preferably PT-5000RJ produced by Guangzhou Si friend new material science and technology Co., ltd, can meet the requirements of the catalyst in the invention, and achieves the effect of better eliminating rainbow lines, pinholes and white fog on the surface of the release film.
The preparation method of the mixed solution of the ultra-light fluorine release layer comprises the following steps:
1) A diluent: sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, and stirring and uniformly mixing to obtain a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent into the mixed solvent in the step 1), and stirring and uniformly mixing to obtain a release agent mixed solution a;
3) Adding a cross-linking agent into the release agent mixed solution a in the step 2), and stirring and uniformly mixing to obtain a release agent mixed solution b;
4) And (3) adding a catalyst into the release agent mixed solution b in the step (3), and stirring and uniformly mixing to obtain the mixed solution of the ultra-light fluorine release layer.
The stirring speed in the stirring barrel is 500-800 r/min.
The preferable ultra-light fluorine release film is characterized in that the stirring time for uniformly stirring and mixing in the steps 1) to 4) is 4min to 7min.
Compared with the prior art, the invention has the following beneficial effects: according to the ultra-light fluorine release film, the special mixed solvent system is prepared by adding solvents with different functions, so that not only can the release agent be well dissolved, but also the appearance problems of rainbow lines, pinholes, white fog and the like on the surface of the release film can be effectively eliminated in the actual processing process, the manufacturing cost of the release film can be reduced, and meanwhile, the prepared release film has good long-term stability, and the problems of poor release and the like in the use process of an organic silicon pressure-sensitive adhesive can be effectively improved.
Detailed Description
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and the terms "comprising" and "having" and any variation thereof are intended to cover a non-exclusive inclusion, e.g., a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
Example 1
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 25 parts of fluorine-containing solvent, 40 parts of n-heptane, 20 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-xylene and 10 parts of ultralight fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, stirring for 5 minutes at the rotating speed of 600r/min of a high-speed stirrer to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 5 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 5 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 5 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Example 2
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 24 parts of fluorine-containing solvent, 40 parts of n-heptane, 18 parts of methyl isobutyl ketone, 12 parts of isopropyl ether, 4 parts of m-xylene, 11 parts of ultralight fluorine release agent, 0.1 part of cross-linking agent and 0.026 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, stirring for 5 minutes at the rotating speed of 600r/min of a high-speed stirrer to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 5 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 5 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 5 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Example 3
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 27 parts of fluorine-containing solvent, 37 parts of n-heptane, 22 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-xylene and 10 parts of ultralight fluorine release agent, 0.12 part of cross-linking agent and 0.023 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, stirring for 5 minutes at the rotating speed of 600r/min of a high-speed stirrer to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 5 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 5 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 5 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Example 4
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 20 parts of fluorine-containing solvent, 40 parts of n-heptane, 15 parts of methyl isobutyl ketone, 15 parts of isopropyl ether, 2 parts of m-xylene, 13 parts of ultralight fluorine release agent, 0.07 part of cross-linking agent and 0.030 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, stirring for 5 minutes at the rotating speed of 600r/min of a high-speed stirrer to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 5 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 5 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 5 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Example 5
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 30 parts of fluorine-containing solvent, 30 n-heptane, 25 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-xylene, 7 parts of ultralight fluorine release agent, 0.14 part of cross-linking agent and 0.020 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, stirring for 5 minutes at the rotating speed of 600r/min of a high-speed stirrer to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 5 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 5 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 5 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Example 6
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 25 parts of fluorine-containing solvent, 40 parts of n-heptane, 20 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-xylene and 10 parts of ultralight fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, and stirring for 7 minutes at a high-speed stirring machine rotating speed of 500r/min to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 5 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 7 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 7 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Example 7
The thickness of the transparent biaxially oriented polyester PET film is 50 mu m, the transparent biaxially oriented polyester PET film comprises a corona surface subjected to corona treatment, an ultralight fluorine release layer is coated on the corona surface, and the ultralight release layer is formed by mixing and modulating 25 parts of fluorine-containing solvent, 40 parts of n-heptane, 20 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-xylene and 10 parts of ultralight fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst and coating on the corona surface.
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the catalyst Guangzhou silicon friend PT-5000RJ, the fluorine-containing solvent is 3M7200,3M7200 of Shanghai Rui-environmental protection technology Co., ltd. The preparation process of the ultra-light fluorine release agent solution is as follows in sequence:
1) Sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, stirring for 5 minutes at the rotating speed of a high-speed stirrer of 800r/min to form a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent DFS-901 into the mixed solvent in the step 1), and stirring for 4 minutes to obtain a release agent mixed solution I;
3) Stirring a cross-linking agent DFS-93 in a glass cup by using a glass rod, slowly adding the mixture into the first release agent mixed solution in the step 2), and stirring for 4 minutes to obtain a second release agent mixed solution;
4) And (3) stirring the cross-linking agent PT-5000RJ in a glass cup by using a glass rod, slowly adding the mixture into the release agent mixed solution II in the step (3), and stirring for 4 minutes to obtain the mixed solution of the ultra-light fluorine release layer.
Comparative example 1
An ultralight fluorine release film comprises a transparent biaxially oriented polyester PET film with the thickness of 50 mu m, 50 parts of fluorine-containing solvent, 25 parts of n-heptane, 25 parts of methyl isobutyl ketone, 10 parts of ultralight fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the cross-linking agent is PT-5000RJ, and the fluorine-containing solvent is 3M7200.
Comparative example 2
An ultralight fluorine release film comprises a transparent biaxially oriented polyester PET film with the thickness of 50 mu m, wherein the 60 parts of fluorine-containing solvent, 30 parts of n-heptane, 30 parts of methyl isobutyl ketone, 10 parts of ultralight fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst
The ultra-light release agent is DFS-901 release agent produced by Shandong Dongyue group, the cross-linking agent is DFS-93 produced by Shandong Dongyue group, the cross-linking agent is PT-5000RJ, and the fluorine-containing solvent is 3M7200.
Table I shows the properties of the ultra-light fluorine PET release film prepared in examples and comparative examples
List one
The invention will be further described with reference to specific examples, of which example 1 is the best practice. From the table, the ultralight fluorine release film produced in the embodiment has no obvious rainbow and white fog in appearance, no shrinkage cavity and stable release force at normal temperature; compared with a single fluorine-containing solvent, the mixed solvent reduces the cost, has no obvious bad appearance and stable performance. The use of the fluorine-containing solvent in comparative examples 1 and 2 was relatively high, and the production cost was increased, and the appearance was inferior to that of examples, and the release force was high.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an ultralight fluorine is from type membrane, includes transparent biaxially oriented polyester PET film, transparent biaxially oriented polyester PET film is including corona surface through corona treatment, its characterized in that:
the corona surface is coated with an ultralight fluorine release layer, and the ultralight fluorine release layer comprises the following components in parts by weight: 20-30 parts of fluorine-containing solvent, 30-40 parts of n-heptane, 15-25 parts of methyl isobutyl ketone, 10-15 parts of isopropyl ether, 2-5 parts of m-benzotrifluoride, 7-13 parts of ultra-light fluorine release agent, 0.07-0.14 part of cross-linking agent and 0.020-0.030 part of catalyst;
the ultralight fluorine release agent is a DFS-901 release agent main agent.
2. The ultra-light fluorine release film according to claim 1, wherein:
the ultralight fluorine release layer comprises the following components in parts by weight: 24-27 parts of fluorine-containing solvent, 37-40 parts of n-heptane, 18-22 parts of methyl isobutyl ketone, 10-12 parts of isopropyl ether, 4-5 parts of m-benzotrifluoride, 10-11 parts of ultra-light fluorine release agent, 0.1-0.12 part of cross-linking agent and 0.023-0.026 part of catalyst.
3. The ultra-light fluorine release film according to claim 1, wherein:
the ultralight fluorine release layer comprises the following components in parts by weight: 25 parts of fluorine-containing solvent, 40 parts of n-heptane, 20 parts of methyl isobutyl ketone, 10 parts of isopropyl ether, 5 parts of m-benzotrifluoride, 10 parts of ultra-light fluorine release agent, 0.1 part of cross-linking agent and 0.025 part of catalyst.
4. The ultra-light fluorine release film according to claim 1, wherein:
the thickness of the transparent biaxially oriented polyester PET film is 12-100 mu m.
5. An ultralight fluorine release film according to any one of claims 1 to 3, wherein:
the cross-linking agent is DFS-93.
6. An ultralight fluorine release film according to any one of claims 1 to 3, wherein:
the catalyst is a zero-valent platinum complex.
7. An ultralight fluorine release film according to any one of claims 1 to 3, wherein:
the preparation method of the mixed solution of the ultra-light fluorine release layer comprises the following steps:
1) A diluent: sequentially adding a fluorine-containing solvent, n-heptane, methyl isobutyl ketone, isopropyl ether and m-xylene into a stirring barrel according to a proportion, and stirring and uniformly mixing to obtain a uniform mixed solvent;
2) Slowly adding the ultra-light fluorine release agent into the mixed solvent in the step 1), and stirring and uniformly mixing to obtain a release agent mixed solution a;
3) Adding a cross-linking agent into the release agent mixed solution a in the step 2), and stirring and uniformly mixing to obtain a release agent mixed solution b;
4) And (3) adding a catalyst into the release agent mixed solution b in the step (3), and stirring and uniformly mixing to obtain the mixed solution of the ultra-light fluorine release layer.
8. The ultra-light fluorine release film according to claim 7, wherein:
the stirring rotating speed in the stirring barrel is 500-800 r/min.
9. The ultra-light fluorine release film according to claim 7, wherein:
the stirring time for uniformly stirring and mixing in the steps 1) to 4) is 4min to 7min.
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