CN105601970A - Release film with overweight release force and preparation method thereof - Google Patents
Release film with overweight release force and preparation method thereof Download PDFInfo
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- CN105601970A CN105601970A CN201610002700.3A CN201610002700A CN105601970A CN 105601970 A CN105601970 A CN 105601970A CN 201610002700 A CN201610002700 A CN 201610002700A CN 105601970 A CN105601970 A CN 105601970A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- 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
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Abstract
The invention discloses a release film with overweight release force and a preparation method thereof. The release film comprises a base material and a composite release layer with which at least one surface of the base material is coated. The composite release layer is formed by curing a composite release agent. The composite release agent is prepared from, by weight, 30-50 parts of 120# gasoline, 30-40 parts of ethyl acetate, 5-10 parts of Dow Coming 7657, 6-8 parts of catalyst SYL-OFF4000, 3-5 parts of coupler 297, 3-4 parts of cross-linking agent, 1-2 parts of nanosilicon dioxide, 1-2 parts of cyclohexanone, 0.5-0.7 part of curing agent and 0.3-0.5 part of release force regulator. The release force regulator is a pressure-sensitive adhesive. The release film is simple in preparation method, convenient to operate, capable of saving cost, high in release force and high in uniformity; the composite release layer has a smooth and stable surface and weak viscosity; the coupler 297 is added in the formula, and therefore the adhesion force between silica gel and PET base material can be improved, and gel removal is prevented.
Description
Technical field
The present invention relates to film new material technology field, specifically a kind of mould release membrance with overweight off-type force and preparation method thereof.
Background technology
Mould release membrance refers to that surface has the film of separating power, and mould release membrance does not have viscosity after contacting under limited condition with specific material, or slight viscosity. For example on base material PET film, be coated with last layer silicone oil and can obtain silicone oil type PET mould release membrance, the effect of this silicone oil is the adhesive force that reduces PET film surface, reaches release effect.
According to the size of off-type force, mould release membrance be divided into light release mould release membrance, in release mould release membrance and heavy release mould release membrance. Heavy release mould release membrance is generally used for and is posted gluing product, particularly for the compound use of the product such as solid thermal melten gel surface, hot-setting adhesive of melting, require heavy release mould release membrance surface to there is faint viscosity, ensure that mould release membrance and product perfect are compound, require mould release membrance to have higher off-type force, its silicone oil face is smooth simultaneously, and off-type force is stable everywhere, easily simple while ensureing to separate, glue can not occur to shift and remain in mould release membrance surface.
In order to improve the off-type force of mould release membrance, traditional way is the amount that increases mould release and off-type force conditioning agent, the amount of single mould release is too much, can affect the molecular structure of mould release membrance silicone oil face, the stability of whole silicone oil face is reduced, the coarse out-of-flatness of silicone oil face, on silicone oil face, off-type force differs larger, the lack of homogeneity of off-type force everywhere simultaneously.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, cost is low has mould release membrance of overweight off-type force and preparation method thereof, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of mould release membrance with overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, described compound release layer is solidify to form by compound mould release, and described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 30-50 part, ethyl acetate 30-40 part, DOW CORNING 7657:5-10 part, catalyst S YL-OFF4000:6-8 part, coupling agent 297:3-5 part, crosslinking agent 3-4 part, nano silicon 1-2 part, cyclohexanone 1-2 part, curing agent 0.5-0.7 part, off-type force conditioning agent 0.3-0.5 part.
As the further scheme of the present invention: described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 35-45 part, ethyl acetate 32-38 part, DOW CORNING 7657:6-9 part, catalyst S YL-OFF4000:6.5-7.5 part, coupling agent 297:3.5-4.5 part, crosslinking agent 3.2-3.8 part, nano silicon 1.2-1.8 part, cyclohexanone 1.2-1.8 part, curing agent 0.55-0.65 part, off-type force conditioning agent 0.35-0.45 part.
As the further scheme of the present invention: described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 40 parts, 35 parts, ethyl acetate, DOW CORNING 7657:8 part, catalyst S YL-OFF4000:7 part, coupling agent 297:4 part, 3.5 parts of crosslinking agents, 1.5 parts of nano silicons, 1.5 parts of cyclohexanone, 0.6 part, curing agent, 0.4 part of off-type force conditioning agent.
As the further scheme of the present invention: described crosslinking agent is that the cruel and Fructus Gleditsia extract of two isocyanic acids is mixed to get with the ratio of 20:1.
As further scheme of the present invention: described off-type force conditioning agent is pressure sensitive adhesive.
The preparation method of the described mould release membrance with overweight off-type force, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 100-200 μ m, and width is 800-1200mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 20-30min, and mixing speed is 700-800rpm;
(5) add again crosslinking agent, after stirring 15-25min, add off-type force conditioning agent, then continue to stir 8-12min;
(6) add again curing agent, stir 25-35min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 130-150 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
Preparation method of the present invention is simple, handled easily, cost-saving, and off-type force is high, good uniformity, and compound release layer surface smoothing is stable, has weak viscosity, adds coupling agent 297 in formula, can improve the adhesive force between silica gel and PET base material, prevents glue.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of mould release membrance with overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, described compound release layer is solidify to form by compound mould release, and described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 30 parts, 30 parts, ethyl acetate, DOW CORNING 7657:5 part, catalyst S YL-OFF4000:6 part, coupling agent 297:3 part, 3 parts of crosslinking agents, 1 part of nano silicon, 1 part of cyclohexanone, 0.5 part, curing agent, 0.3 part of pressure sensitive adhesive.
The preparation method of the described mould release membrance with overweight off-type force, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 100 μ m, and width is 800mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 20min, and mixing speed is 700rpm;
(5) add again crosslinking agent, after stirring 15min, add pressure sensitive adhesive, then continue to stir 8min;
(6) add again curing agent, stir 25min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 130 DEG C.
Embodiment 2
A kind of mould release membrance with overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, described compound release layer is solidify to form by compound mould release, and described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 35 parts, 32 parts, ethyl acetate, DOW CORNING 7657:6 part, catalyst S YL-OFF4000:6.5 part, coupling agent 297:3.5 part, 3.2 parts of crosslinking agents, 1.2 parts of nano silicons, 1.2 parts of cyclohexanone, 0.55 part, curing agent, 0.35 part of pressure sensitive adhesive.
The preparation method of the described mould release membrance with overweight off-type force, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 120 μ m, and width is 900mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 22min, and mixing speed is 720rpm;
(5) add again crosslinking agent, after stirring 18min, add pressure sensitive adhesive, then continue to stir 9min;
(6) add again curing agent, stir 28min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 135 DEG C.
Embodiment 3
A kind of mould release membrance with overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, described compound release layer is solidify to form by compound mould release, described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 40 parts, 35 parts, ethyl acetate, DOW CORNING 7657:8 part, catalyst S YL-OFF4000:7 part, coupling agent 297:4 part, 3.5 parts of crosslinking agents, 1.5 parts of nano silicons, 1.5 parts of cyclohexanone, 0.6 part, curing agent, 0.4 part of pressure sensitive adhesive, described crosslinking agent is that the cruel and Fructus Gleditsia extract of two isocyanic acids is mixed to get with the ratio of 20:1.
The preparation method of the described mould release membrance with overweight off-type force, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 150 μ m, and width is 1000mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 25min, and mixing speed is 750rpm;
(5) add again crosslinking agent, after stirring 20min, add pressure sensitive adhesive, then continue to stir 10min;
(6) add again curing agent, stir 30min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 140 DEG C.
Embodiment 4
A kind of mould release membrance with overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, described compound release layer is solidify to form by compound mould release, and described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 45 parts, 38 parts, ethyl acetate, DOW CORNING 7657:9 part, catalyst S YL-OFF4000:7.5 part, coupling agent 297:4.5 part, 3.8 parts of crosslinking agents, 1.8 parts of nano silicons, 1.8 parts of cyclohexanone, 0.65 part, curing agent, 0.45 part of pressure sensitive adhesive.
The preparation method of the described mould release membrance with overweight off-type force, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 180 μ m, and width is 1100mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 28min, and mixing speed is 780rpm;
(5) add again crosslinking agent, after stirring 22min, add pressure sensitive adhesive, then continue to stir 11min;
(6) add again curing agent, stir 32min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 145 DEG C.
Embodiment 5
A kind of mould release membrance with overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, described compound release layer is solidify to form by compound mould release, and described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 50 parts, 40 parts, ethyl acetate, DOW CORNING 7657:10 part, catalyst S YL-OFF4000:8 part, coupling agent 297:5 part, 4 parts of crosslinking agents, 2 parts of nano silicons, 2 parts of cyclohexanone, 0.7 part, curing agent, 0.5 part of pressure sensitive adhesive.
The preparation method of the described mould release membrance with overweight off-type force, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 200 μ m, and width is 1200mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 30min, and mixing speed is 800rpm;
(5) add again crosslinking agent, after stirring 25min, add pressure sensitive adhesive, then continue to stir 12min;
(6) add again curing agent, stir 35min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 150 DEG C.
Preparation method of the present invention is simple, handled easily, cost-saving, and off-type force is high, good uniformity, and compound release layer surface smoothing is stable, has weak viscosity, adds coupling agent 297 in formula, can improve the adhesive force between silica gel and PET base material, prevents glue.
Above the preferred embodiments of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also under the prerequisite that does not depart from this patent aim, makes various variations.
Claims (6)
1. one kind has the mould release membrance of overweight off-type force, comprise base material and be coated at least one lip-deep compound release layer of described base material, it is characterized in that, described compound release layer is solidify to form by compound mould release, described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 30-50 part, ethyl acetate 30-40 part, DOW CORNING 7657:5-10 part, catalyst S YL-OFF4000:6-8 part, coupling agent 297:3-5 part, crosslinking agent 3-4 part, nano silicon 1-2 part, cyclohexanone 1-2 part, curing agent 0.5-0.7 part, off-type force conditioning agent 0.3-0.5 part.
2. the mould release membrance with overweight off-type force according to claim 1, it is characterized in that, described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 35-45 part, ethyl acetate 32-38 part, DOW CORNING 7657:6-9 part, catalyst S YL-OFF4000:6.5-7.5 part, coupling agent 297:3.5-4.5 part, crosslinking agent 3.2-3.8 part, nano silicon 1.2-1.8 part, cyclohexanone 1.2-1.8 part, curing agent 0.55-0.65 part, off-type force conditioning agent 0.35-0.45 part.
3. the mould release membrance with overweight off-type force according to claim 1, it is characterized in that, described compound mould release comprises according to the raw material of weight portion: 120# gasoline: 40 parts, 35 parts, ethyl acetate, DOW CORNING 7657:8 part, catalyst S YL-OFF4000:7 part, coupling agent 297:4 part, 3.5 parts of crosslinking agents, 1.5 parts of nano silicons, 1.5 parts of cyclohexanone, 0.6 part, curing agent, 0.4 part of off-type force conditioning agent.
4. according to the arbitrary described mould release membrance with overweight off-type force of claim 1-3, it is characterized in that, described crosslinking agent is that the cruel and Fructus Gleditsia extract of two isocyanic acids is mixed to get with the ratio of 20:1.
5. according to the arbitrary described mould release membrance with overweight off-type force of claim 1-3, it is characterized in that, described off-type force conditioning agent is pressure sensitive adhesive.
6. a preparation method for the mould release membrance with overweight off-type force as described in as arbitrary in claim 1-3, is characterized in that, concrete steps are as follows:
(1) utilize hot blast to remove substrate surface moisture, utilize ion wind gun to remove the static of base material, utilize silica gel cleaning roller to remove dust and foreign matter on base material;
(2) by base material process sided corona treatment, thickness is 100-200 μ m, and width is 800-1200mm;
(3) take each raw material according to weight portion;
(4) 120# gasoline, ethyl acetate, DOW CORNING 7657, catalyst S YL-OFF4000, coupling agent 297, nano silicon and cyclohexanone are added in container, application center dispersion impeller stirs 20-30min, and mixing speed is 700-800rpm;
(5) add again crosslinking agent, after stirring 15-25min, add off-type force conditioning agent, then continue to stir 8-12min;
(6) add again curing agent, stir 25-35min and obtain compound mould release;
(7) painting bottom coating in the one side of processing according to step (1) at base material, carries out precuring; On priming coat, be coated with compound release layer again, be cured, priming coat and the coating of compound release layer line, finally enter oven for drying rolling; Bake out temperature is 130-150 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610002700.3A CN105601970A (en) | 2016-01-06 | 2016-01-06 | Release film with overweight release force and preparation method thereof |
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| CN201610002700.3A CN105601970A (en) | 2016-01-06 | 2016-01-06 | Release film with overweight release force and preparation method thereof |
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| CN107043469A (en) * | 2017-03-27 | 2017-08-15 | 浙江欧仁新材料有限公司 | A kind of special separated type material of remote radio frequency identification technology and preparation method thereof |
| CN107674224A (en) * | 2017-09-22 | 2018-02-09 | 东莞市鼎力薄膜科技有限公司 | Feature mould release membrance of ceramic condenser and preparation method thereof |
| CN107828073A (en) * | 2017-11-09 | 2018-03-23 | 合肥乐凯科技产业有限公司 | A kind of release cured film |
| CN109942857A (en) * | 2019-02-26 | 2019-06-28 | 嘉兴市玖琳新材料科技有限公司 | A kind of explosion-proof release film |
| CN110777562A (en) * | 2019-09-26 | 2020-02-11 | 江苏晶华新材料科技有限公司 | Flame-retardant release paper and preparation method thereof |
| CN111393697A (en) * | 2020-04-26 | 2020-07-10 | 东莞市鼎力薄膜科技有限公司 | Release film for laminated capacitor and preparation method thereof |
| CN114425918A (en) * | 2022-01-20 | 2022-05-03 | 广东邦固薄膜涂料创新研究院有限公司 | Leather transfer film with surface layer capable of being self-repaired, and preparation method and application method thereof |
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| CN110777562A (en) * | 2019-09-26 | 2020-02-11 | 江苏晶华新材料科技有限公司 | Flame-retardant release paper and preparation method thereof |
| CN110777562B (en) * | 2019-09-26 | 2023-10-03 | 江苏晶华新材料科技有限公司 | Flame-retardant release paper and preparation method thereof |
| CN111393697A (en) * | 2020-04-26 | 2020-07-10 | 东莞市鼎力薄膜科技有限公司 | Release film for laminated capacitor and preparation method thereof |
| CN111393697B (en) * | 2020-04-26 | 2022-07-26 | 东莞市鼎力薄膜科技有限公司 | Release film for laminated capacitor and preparation method thereof |
| CN114425918A (en) * | 2022-01-20 | 2022-05-03 | 广东邦固薄膜涂料创新研究院有限公司 | Leather transfer film with surface layer capable of being self-repaired, and preparation method and application method thereof |
| CN114425918B (en) * | 2022-01-20 | 2023-03-24 | 广东邦固薄膜涂料创新研究院有限公司 | Leather transfer film with self-repairable surface layer and preparation method and use method thereof |
| CN117412475A (en) * | 2023-11-08 | 2024-01-16 | 惠州市贝斯特膜业有限公司 | Protective film for combining soft and hard plates |
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Application publication date: 20160525 |