CN115232348A - Composite flexible film and preparation method thereof - Google Patents
Composite flexible film and preparation method thereof Download PDFInfo
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- CN115232348A CN115232348A CN202210941931.6A CN202210941931A CN115232348A CN 115232348 A CN115232348 A CN 115232348A CN 202210941931 A CN202210941931 A CN 202210941931A CN 115232348 A CN115232348 A CN 115232348A
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- 239000002131 composite material Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title abstract description 17
- 239000003063 flame retardant Substances 0.000 claims abstract description 80
- 230000004888 barrier function Effects 0.000 claims abstract description 75
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000009832 plasma treatment Methods 0.000 claims abstract description 9
- 238000007738 vacuum evaporation Methods 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims abstract description 6
- 238000001755 magnetron sputter deposition Methods 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 4
- -1 alkyl phosphates Chemical class 0.000 claims description 38
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 23
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 23
- 238000009713 electroplating Methods 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000005060 rubber Substances 0.000 claims description 10
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 9
- 230000008719 thickening Effects 0.000 claims description 9
- 229920000459 Nitrile rubber Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 229920006112 polar polymer Polymers 0.000 claims description 6
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- SNZIHOJEYOARSO-UHFFFAOYSA-N benzene-1,3-dicarboxylic acid;ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1.OC(=O)C1=CC=CC(C(O)=O)=C1 SNZIHOJEYOARSO-UHFFFAOYSA-N 0.000 claims description 3
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 3
- 229920002681 hypalon Polymers 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920006290 polyethylene naphthalate film Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000005077 polysulfide Substances 0.000 claims description 3
- 229920001021 polysulfide Polymers 0.000 claims description 3
- 150000008117 polysulfides Polymers 0.000 claims description 3
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims description 3
- 150000003498 tellurium compounds Chemical class 0.000 claims description 3
- 150000005691 triesters Chemical class 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 235000021317 phosphate Nutrition 0.000 claims 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 150000001642 boronic acid derivatives Chemical class 0.000 claims 1
- 150000001934 cyclohexanes Chemical class 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 claims 1
- 229920001897 terpolymer Polymers 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 8
- 239000002202 Polyethylene glycol Substances 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000000113 cyclohexyl group Chemical class [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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- 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
- 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
- C08J7/05—Forming flame retardant coatings or fire resistant coatings
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
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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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- 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
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/02—Copolymers with acrylonitrile
- C08J2409/04—Latex
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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
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/06—Copolymers with styrene
- C08J2409/08—Latex
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
- C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
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Abstract
The invention provides a composite flexible film and a preparation method thereof, belonging to the technical field of flexible films. The preparation method of the composite flexible membrane comprises the following steps: carrying out plasma treatment on the flexible substrate layer to activate the surface of the flexible substrate layer; coating a flame-retardant barrier layer on the surface of the activated flexible base material layer; and forming a metal layer on the surface of the flame-retardant barrier layer by adopting one mode of vacuum evaporation, magnetron sputtering and chemical plating. According to the invention, the flame-retardant barrier layer is arranged between the flexible substrate layer and the metal layer, and can protect the flexible substrate layer, so that the flexible substrate layer is prevented from being corroded, and the mechanical property of the composite flexible film is further ensured.
Description
Technical Field
The invention belongs to the technical field of flexible films, and particularly relates to a composite flexible film.
Background
The copper plating film is a metallized plastic film formed by depositing metal copper on the surface of a plastic film in a physical or chemical manner, and is widely used due to the combination of good flexibility of plastic and high conductivity of copper.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
in order to improve the conductivity of the copper plating film, conventionally, the copper layer is thickened by adopting a water electroplating method when the copper plating film is prepared, and then the target conductivity is obtained. However, the pH of the electroplating solution used in the water electroplating is low, and the plastic substrate is corroded by the acid solution during the electroplating process to damage the structure, thereby reducing the mechanical properties of the plastic substrate.
Disclosure of Invention
Based on the above background problem, the present invention is directed to providing a composite flexible film, in which a flame retardant barrier layer is disposed between a flexible substrate layer and a metal layer, and the flame retardant barrier layer can protect the flexible substrate layer, so as to prevent the flexible substrate layer from being corroded, and further ensure the mechanical properties of the composite flexible film.
Another object of the present invention is to provide a method for preparing a composite flexible film.
In order to achieve the above object, in one aspect, the embodiment of the present invention provides a technical solution:
compound flexible membrane, including the flexible substrate layer, the surface of flexible substrate layer is equipped with fire-retardant barrier layer, the surface of fire-retardant barrier layer is equipped with the metal level.
In one embodiment, the flame retardant barrier layer is formed from a barrier layer body and a flame retardant filled within the barrier layer body.
Further, the mass ratio of the flame retardant in the barrier layer body is less than or equal to 50%.
Further, the barrier layer body is one or more of chloroprene rubber, acrylonitrile multipolymer, styrene-butadiene rubber, chlorosulfonated polyethylene rubber, acrylate rubber, nitrile rubber and polysulfide rubber.
Further, the flame retardant is one or more of alkyl phosphate, aryl phosphate, dicyclopentadiene, aliphatic halogenated hydrocarbon, phosphoric triester, halogenated cyclohexane and derivatives thereof, decabromodiphenyl ether and derivatives thereof, tellurium compounds, aluminum hydroxide, magnesium hydroxide and borate.
Further, the thickness of the flame-retardant barrier layer is less than or equal to 500nm.
In one embodiment, the flexible substrate layer is a polar polymer film.
Further, the polar polymer film is one or more of a polyimide film, a polyamide film, a polyethylene terephthalate film, a polyethylene naphthalate film, a polytrimethylene terephthalate film, a polybutylene terephthalate film and a terephthalic acid-isophthalic acid-ethylene glycol ternary copolyester film.
In one embodiment, the metal layer includes a first pretreatment layer and a second thickening layer.
On the other hand, the embodiment of the invention also provides a preparation method of the composite flexible film, which comprises the following steps:
carrying out plasma treatment on the flexible substrate layer to activate the surface of the flexible substrate layer;
coating a flame-retardant barrier layer on the surface of the activated flexible base material layer;
and forming a metal layer on the surface of the flame-retardant barrier layer by adopting one mode of vacuum evaporation, magnetron sputtering and chemical plating.
In one embodiment, the method of making a composite flexible film further comprises the steps of:
and carrying out secondary thickening treatment in a water electroplating mode.
Compared with the prior art, the embodiment of the invention at least has the following effects:
1. according to the composite flexible film, the flame-retardant barrier layer is arranged between the flexible substrate layer and the metal layer, so that the flexible substrate layer can be protected, the flexible substrate layer is prevented from being corroded, and the mechanical property of the composite flexible film is further ensured.
2. The flame-retardant barrier layer is formed by the barrier layer body and the flame retardant filled in the barrier layer body, the flame retardant is added, so that the flame-retardant barrier layer has larger surface roughness, the bonding force between the flexible substrate layer and the metal layer can be increased, the mechanical interlocking is improved, the tensile strength of the composite flexible film is favorably enhanced, and when the addition amount of the flame retardant exceeds 50%, the flame-retardant barrier layer is filled with too much material, so that the bonding force to the flexible substrate layer is reduced.
3. The thickness of the flame-retardant barrier layer is less than or equal to 500nm, the increase of the thickness of the flame-retardant barrier layer is beneficial to improving the barrier property, but when the thickness exceeds 500nm, the formed composite flexible film is thicker, and the application of the composite flexible film is not beneficial.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic cross-sectional view of a composite flexible film according to example 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of a composite flexible film according to example 2 of the present invention;
FIG. 3 is a schematic cross-sectional view of a composite flexible membrane in example 3 of the present invention;
fig. 4 is a schematic cross-sectional view of a composite flexible film in a comparative example.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In order to solve the problem that the base material structure of the existing flexible coating film is damaged due to corrosion of electroplating solution, the invention provides the composite flexible film, wherein the flame-retardant barrier layer is arranged between the flexible base material layer and the metal layer, so that the corrosion of the electroplating solution on the flexible base material layer in the electroplating process can be effectively inhibited, and the mechanical property of the composite flexible film is ensured.
The flexible substrate layer is a polar polymer film, and the polar polymer film is one or more of a polyimide film, a polyamide film, a polyethylene terephthalate film, a polyethylene naphthalate film, a polytrimethylene terephthalate film, a polybutylene terephthalate film and a terephthalic acid-isophthalic acid-ethylene glycol ternary copolyester film.
The flame-retardant barrier layer is formed by a barrier layer body and a flame retardant filled in the barrier layer body, and the barrier layer body is one or more of chloroprene rubber, acrylonitrile multipolymer, styrene butadiene rubber, chlorosulfonated polyethylene rubber, acrylate rubber, nitrile rubber and polysulfide rubber; the flame retardant is one or more of alkyl phosphate, aryl phosphate, dicyclopentadiene, aliphatic halogenated hydrocarbon, phosphoric triester, halogenated cyclohexane and derivatives thereof, decabromodiphenyl ether and derivatives thereof, tellurium compound, aluminum hydroxide, magnesium hydroxide and borate.
The barrier layer body of rubber material can form the protection to flexible substrate layer to prevent corroding, and then guaranteed the mechanical properties of compound flexible membrane, and the addition of fire retardant makes fire-retardant barrier layer have great roughness, can increase the adhesion force between flexible substrate layer and the metal level.
The technical solution of the present invention is described below by specific examples.
Example 1
A composite flexible membrane, as shown in fig. 1, comprising: flexible substrate layer 1, fire-retardant barrier layer 2 and metal level 3, the upper surface of flexible substrate layer 1 is equipped with fire-retardant barrier layer 2, the upper surface of fire-retardant barrier layer 2 is equipped with metal level 3.
Specifically, the flexible substrate layer 1 is a polyethylene terephthalate film, the thickness of the flexible substrate layer is 8 μm, the flame-retardant barrier layer 2 is styrene butadiene rubber filled with triphenyl phosphate, and the metal layer 3 is a zinc layer.
The preparation method of the composite flexible membrane comprises the following steps:
(1) The polyethylene glycol terephthalate film is subjected to plasma treatment, so that the upper surface of the polyethylene glycol terephthalate film is activated, and the bonding force between the polyethylene glycol terephthalate film and the flame-retardant barrier layer is increased;
(2) Coating styrene-butadiene rubber emulsion containing 10% of triphenyl phosphate flame retardant on the upper surface of the activated polyethylene glycol terephthalate film to form a flame-retardant barrier layer with the thickness of 500 nm;
(3) And (3) placing the polyethylene terephthalate film reinforced by the flame-retardant barrier layer in the step (2) on a vacuum evaporation substrate to form a zinc layer with the thickness of 1000nm on the upper surface of the polyethylene terephthalate film, so as to obtain the composite flexible film.
Example 2
As shown in fig. 2, the composite flexible film is different from that of embodiment 1 in that the thickness of the flexible substrate layer 1 of this embodiment is 2 μm, the upper and lower surfaces of the flexible substrate layer 1 of this embodiment are both provided with the flame retardant barrier layers 2, the outer surfaces of the two flame retardant barrier layers 3 are both provided with the metal layer 3, and the metal layer 3 of this embodiment is a nickel layer.
The preparation method of the composite flexible film of the embodiment comprises the following steps:
(1) Carrying out plasma treatment on the polyethylene terephthalate film to activate the upper surface and the lower surface of the polyethylene terephthalate film;
(2) Coating styrene-butadiene rubber emulsion containing 10% of triphenyl phosphate flame retardant on the upper surface and the lower surface of the activated polyethylene glycol terephthalate film to respectively form flame-retardant barrier layers with the thickness of 500 nm;
(3) And (3) placing the polyethylene terephthalate film reinforced by the flame-retardant barrier layer in the step (2) on a vacuum evaporation substrate to form nickel layers with the thickness of 1000nm on the upper surface and the lower surface of the substrate respectively, so as to obtain the composite flexible film.
This embodiment can further improve the intensity of compound flexible membrane through setting up two-sided fire-retardant barrier layer and metal level.
Example 3
As shown in fig. 3, the composite flexible film is different from the embodiment 2 in that the thickness of the flexible base material layer 1 of the embodiment is 5 μm, the metal layer 3 of the embodiment is a copper layer, and the metal layer 3 of the embodiment is composed of a first pretreatment layer 301 and a second thickening layer 302.
The preparation method of the composite flexible film of the embodiment comprises the following steps:
(1) Carrying out plasma treatment on the polyethylene terephthalate film to activate the upper surface and the lower surface of the polyethylene terephthalate film;
(2) Coating styrene-butadiene rubber emulsion containing 10% of triphenyl phosphate flame retardant on the upper surface and the lower surface of the activated polyethylene glycol terephthalate film to respectively form flame-retardant barrier layers with the thickness of 500 nm;
(3) Placing the polyethylene terephthalate film reinforced by the flame-retardant barrier layer in the step (2) on a vacuum evaporation substrate to prepare a first pretreatment layer with the thickness of 50 nm;
(4) And (4) transferring the film pretreated in the step (3) to water electroplating to form a second thickening layer so that the total thickness of the copper layer reaches 1000nm, thus obtaining the composite flexible film.
Example 4
A composite flexible film, different from example 3, the flame retardant barrier layer of this example is nitrile butadiene rubber filled with 10% triphenyl phosphate flame retardant.
The preparation method of the composite flexible film of the embodiment comprises the following steps:
(1) Carrying out plasma treatment on the polyethylene terephthalate film to activate the upper surface and the lower surface of the polyethylene terephthalate film;
(2) Coating nitrile rubber emulsion containing 10% of triphenyl phosphate flame retardant on the upper surface and the lower surface of the activated polyethylene glycol terephthalate film to respectively form flame retardant barrier layers with the thickness of 500 nm;
(3) Placing the polyethylene terephthalate film reinforced by the flame-retardant barrier layer in the step (2) on a magnetron sputtering substrate to prepare a first pretreatment layer with the thickness of 50 nm;
(4) And (4) transferring the film pretreated in the step (3) to water electroplating to form a second thickening layer so that the total thickness of the copper layer reaches 1000nm, thus obtaining the composite flexible film.
Example 5
A composite flexible film, different from example 3, the flame retardant barrier layer of this example is styrene butadiene rubber-nitrile butadiene rubber filled with 10% triphenyl phosphate flame retardant.
The preparation method of the composite flexible film of the embodiment comprises the following steps:
(1) Carrying out plasma treatment on the polyethylene terephthalate film to activate the upper surface and the lower surface of the polyethylene terephthalate film;
(2) Coating nitrile rubber-nitrile rubber emulsion containing 10% of triphenyl phosphate flame retardant on the upper surface and the lower surface of the activated polyethylene terephthalate film to respectively form a flame retardant barrier layer with the thickness of 500nm, wherein the mass ratio of styrene butadiene rubber to nitrile rubber is 1:1;
(3) Placing the polyethylene terephthalate film reinforced by the flame-retardant barrier layer in the step (2) on a magnetron sputtering substrate to prepare a first pretreatment layer with the thickness of 50 nm;
(4) And (4) transferring the film pretreated in the step (3) to water electroplating to form a second thickening layer so that the total thickness of the copper layer reaches 1000nm, thus obtaining the composite flexible film.
Example 6
The composite flexible film is different from the composite flexible film in example 5 in that the thickness of the flame-retardant barrier layer in this example is 300nm, and the preparation method of the composite flexible film in this example is the same as that in example 5.
Example 7
The composite flexible film is different from the composite flexible film in example 5 in that the thickness of the flame-retardant barrier layer in this example is 100nm, and the preparation method of the composite flexible film in this example is the same as that in example 5.
Example 8
The composite flexible film is different from the composite flexible film in example 5 in that the thickness of the flame-retardant barrier layer in this example is 30nm, and the preparation method of the composite flexible film in this example is the same as that in example 5.
Example 9
The composite flexible film is different from the composite flexible film in example 5 in that the mass ratio of the flame retardant in the barrier layer body in the flame-retardant barrier layer of the present example is 20%, and the preparation method of the composite flexible film of the present example is the same as that of example 5.
Example 10
The composite flexible film is different from the composite flexible film in example 5 in that the mass ratio of the flame retardant in the barrier layer body in the flame-retardant barrier layer of the present embodiment is 30%, and the preparation method of the composite flexible film of the present embodiment is the same as that of example 5.
Example 11
The composite flexible film is different from the composite flexible film in example 5 in that the mass ratio of the flame retardant in the barrier layer body in the flame-retardant barrier layer of the present example is 50%, and the preparation method of the composite flexible film of the present example is the same as that of example 5.
Comparative example
The composite flexible film comprises a flexible substrate layer 1 and a metal layer 3, as shown in fig. 4, wherein the flexible substrate layer 1 is a polyethylene terephthalate film, and the thickness of the flexible substrate layer 1 is 5 μm.
The preparation method of the composite flexible membrane comprises the following steps:
(1) Carrying out plasma treatment on the polyethylene terephthalate film to activate the upper surface and the lower surface of the polyethylene terephthalate film;
(2) Placing the polyethylene terephthalate film subjected to the activation treatment in the step (1) on a vacuum evaporation substrate to prepare a first pretreatment layer with the thickness of 50 nm;
(3) And (3) transferring the film pretreated in the step (2) to water electroplating to form a second thickening layer so that the total thickness of the copper layer reaches 1000nm, thus obtaining the composite flexible film.
The composite flexible films prepared in examples 3 to 11 and the comparative example were subjected to tensile property testing, the testing equipment was an intelligent electronic tensile testing machine, model number was XLW (M), and the test structure was as shown in table 1:
table 1 tensile properties of composite flexible films in example 3 and comparative examples
As can be seen from the above table, the tensile strength of the composite flexible films in examples 3 to 11 is significantly improved compared to that in the comparative example, which shows that the tensile strength of the composite flexible film can be significantly improved by the arrangement of the flame retardant barrier layer according to the present invention.
It can be seen from comparative examples 5 to 8 that the tensile strength of the formed composite flexible film is also enhanced with the increase of the thickness of the flame-retardant barrier layer, which indicates that the larger the thickness of the flame-retardant barrier layer is, the more effective the corrosion of the electroplating solution to the flexible substrate layer is.
It can be seen from comparison of examples 5 and 9-11 that as the content of the flame retardant increases, the roughness of the surface of the flame retardant barrier layer increases, and the mechanical interlock between the flame retardant barrier layer and the metal layer is improved, thereby enhancing the tensile properties.
It should be noted that various changes and modifications can be made by those skilled in the art without departing from the inventive concept, and these changes and modifications fall within the scope of the invention.
Claims (10)
1. Composite flexible membrane, including flexible substrate layer, its characterized in that, the surface of flexible substrate layer is equipped with fire-retardant barrier layer, the surface of fire-retardant barrier layer is equipped with the metal level.
2. The composite flexible film of claim 1, wherein the flame retardant barrier layer is formed from a barrier layer body and a flame retardant filled within the barrier layer body.
3. The composite flexible film of claim 2, wherein the mass proportion of the flame retardant in the bulk of the barrier layer is less than or equal to 50%.
4. The composite flexible film of claim 2, wherein the barrier layer body is one or more of neoprene, acrylonitrile multipolymer, styrene butadiene rubber, chlorosulfonated polyethylene rubber, acrylate rubber, nitrile rubber, polysulfide rubber.
5. The composite flexible film of claim 2, wherein the flame retardant is one or more of alkyl phosphates, aryl phosphates, dicyclopentadiene, aliphatic halogenated hydrocarbons, triesters of phosphoric acid, and halogenated cyclohexanes and derivatives thereof, decabromodiphenyl ether and derivatives thereof, tellurium compounds, aluminum hydroxide, magnesium hydroxide, and borates.
6. The composite flexible film of claim 1, wherein the flame retardant barrier layer has a thickness of 500nm or less.
7. The composite flexible film of claim 1, wherein the flexible substrate layer is a polar polymer film, and the polar polymer film is one or more of a polyimide film, a polyamide film, a polyethylene terephthalate film, a polyethylene naphthalate film, a polytrimethylene terephthalate film, a polybutylene terephthalate film, and a terephthalic acid-isophthalic acid-ethylene glycol terpolymer film.
8. The composite flexible film of claim 1, wherein the metal layer comprises a first pre-treatment layer and a second thickening layer disposed in sequence.
9. A method of making a composite flexible film according to any of claims 1 to 8, comprising the steps of:
carrying out plasma treatment on the flexible substrate layer to activate the surface of the flexible substrate layer;
coating a flame-retardant barrier layer on the surface of the activated flexible base material layer;
and forming a metal layer on the surface of the flame-retardant barrier layer by adopting one mode of vacuum evaporation, magnetron sputtering and chemical plating.
10. The method of making a composite flexible film according to claim 9, further comprising the steps of:
and carrying out secondary thickening treatment by adopting a water electroplating mode.
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