CN115570864B - Multifunctional film-coated plate and preparation method thereof - Google Patents

Multifunctional film-coated plate and preparation method thereof Download PDF

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Publication number
CN115570864B
CN115570864B CN202211479135.1A CN202211479135A CN115570864B CN 115570864 B CN115570864 B CN 115570864B CN 202211479135 A CN202211479135 A CN 202211479135A CN 115570864 B CN115570864 B CN 115570864B
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parts
resin
layer
film layer
raw materials
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CN115570864A (en
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何敏
李忠人
李伟
郑才
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Jiangsu Canlon Building Materials Co Ltd
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Jiangsu Canlon Building Materials Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08L71/12—Polyphenylene oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C09J123/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35—Heat-activated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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

Abstract

The invention relates to a multifunctional film-coated plate and a preparation method thereof, wherein the film-coated plate comprises an anti-corrosion bottom film, a metal plate, a hot melt adhesive film and a high-polymer waterproof coiled material which are sequentially arranged, wherein silicon micro powder is respectively added into the high-polymer waterproof coiled material and the hot melt adhesive film; the anticorrosion base film comprises a first base film layer and a second base film layer; the raw materials of the first bottom film layer comprise maleic anhydride grafted polyethylene, tackifying resin, silicon micropowder and graphene oxide; the raw materials of the second bottom film layer comprise matrix resin, silicon micropowder and graphene oxide. This tectorial membrane board is whole to have heat conductivility and heat dispersion, and the heat that produces when can making exposed polymer waterproofing membrane welding diffuses away fast, and what very easily appears when avoiding the TPO of thin thickness and the like polymer waterproofing membrane welding scalds the wrinkle and the welding that leads to is bad.

Description

Multifunctional film-coated plate and preparation method thereof
Technical Field
The invention relates to a multifunctional film-coated plate and a preparation method thereof.
Background
The outdoor service life of various steel tile that uses on general industry commercial factory building roofing does not exceed 10 years, and photovoltaic module's design service life is not less than 25 years, and the unmatched problem of roof and photovoltaic module life cycle will appear if adopt various steel tile in distributed photovoltaic roofing, increases later maintenance cost, reduces the rate of return on investment. Exposed type TPO waterproofing membrane has been proved its outdoor life and more than 25 years, will expose type TPO waterproofing membrane and compound the corrosion resisting property that can increase the metal sheet by a wide margin on the metal sheet, and weldable performance can guarantee that TPO waterproofing membrane overlap joint has better waterproof performance after welding treatment. However, in the practical application process, the phenomenon that the TPO waterproof roll is easily wrinkled or damaged during hot air welding is found when the thickness of the TPO waterproof roll is less than 0.4mm.
In addition, the back of metal sheet not compound with TPO waterproofing membrane also appears the corrosion phenomenon easily, and at present, there is some anticorrosive methods at the metal sheet back also, is exactly at the back compound one deck PE of metal sheet, PET, PVC etc. as anticorrosive basement membrane, however the anticorrosive of this mode, corrosion protection is limited to the heat dissipation is unfavorable when can further increasing the welding of TPO waterproofing membrane, scalds the TPO waterproofing membrane that the thickness is thinner more easily.
To sum up, the problem that the welding of the TPO overlap joint edge of the laminated sheet containing the anticorrosive basement membrane is easy to scald and wrinkle is solved still without an effective solution aiming at the condition that the thickness of the TPO waterproof coiled material is small.
Disclosure of Invention
The invention aims to solve the technical problem that the existing TPO waterproof coiled material is thin and the welding of the TPO lap joint edge of the film-coated plate containing an anti-corrosion bottom film is easy to scald and wrinkle, and provides an improved film-coated plate and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a film-coated plate comprises an anti-corrosion base film, a metal plate, a hot-melt adhesive film and a high-polymer waterproof coiled material which are sequentially arranged, wherein silicon micro powder is respectively added into the high-polymer waterproof coiled material and the hot-melt adhesive film;
the anti-corrosion base film comprises a first base film layer and a second base film layer, wherein the first base film layer is used for being bonded with the metal plate, and the second base film layer is arranged on the first base film layer;
the raw materials of the first bottom film layer comprise maleic anhydride grafted polyethylene, tackifying resin, silicon micropowder and graphene oxide, wherein the mass ratio of the maleic anhydride grafted polyethylene to the tackifying resin to the silicon micropowder to the graphene oxide is 1:0.1 to 0.5:0.05 to 0.6:0.0001 to 0.08;
the raw materials of the second bottom film layer comprise matrix resin, silicon micropowder and graphene oxide, wherein the mass ratio of the matrix resin to the silicon micropowder to the graphene oxide is 1:0.05 to 1:0.0001 to 0.1.
Further, the particle size D50 of the silicon micropowder is 2-8 μm, and the whiteness is more than 95. The thermal conductivity of the fine silica powder is 10W/K.m or more.
Further, the particle diameter D50 of the graphene oxide is less than 10 μm, and the specific surface area is 150-400m 2 (iv) g. Preferably, the specific surface area of the graphene oxide is 180-250 m 2 /g。
The graphene oxide is SE1132 (the specific surface area is 225 +/-25 m) of the commercial Hexagon national sixth-element material science and technology corporation 2 (iv)/g) or SE1133 (specific surface area of 260 to 350 m) 2 /g）。
Further, the raw materials of the first bottom film layer comprise, by weight, 45-90 parts of maleic anhydride grafted polyethylene, 10-20 parts of tackifying resin, 5-25 parts of silicon micropowder and 0.01-3 parts of graphene oxide. Preferably, the raw materials of the first base film layer comprise, by weight, 45 to 90 parts of maleic anhydride grafted polyethylene, 10 to 20 parts of tackifying resin, 8 to 20 parts of silicon micropowder and 0.5 to 2 parts of graphene oxide.
According to some embodiments of the invention, the raw material of the first primer layer further comprises 0.2 to 2 parts of an auxiliary agent, and the auxiliary agent in the first primer layer comprises one or more of an antioxidant and an ultraviolet absorber.
Further, the tackifying resin in the first primer layer is one or a combination of hydrogenated petroleum resin, rosin resin, hydrogenated rosin resin, terpene phenolic resin and terpene resin.
Further, the raw materials of the second bottom film layer comprise, by weight, 30-90 parts of matrix resin, 5-25 parts of silicon micropowder and 0.01-3 parts of graphene oxide. Preferably, the raw materials of the second bottom film layer comprise 50-80 parts by weight of matrix resin, 8-20 parts by weight of silicon micropowder and 0.5-2 parts by weight of graphene oxide.
According to some embodiments of the invention, the raw material of the second primer layer further comprises 0.2 to 2 parts of an auxiliary agent, and the auxiliary agent in the second primer layer comprises one or more of an antioxidant and an ultraviolet absorber.
According to some embodiments of the invention, the base resin in the second base film layer comprises at least one of HDPE (high density polyethylene), LDPE (low density polyethylene), LLDPE (linear low density polyethylene), SIS (styrene-isoprene-styrene block copolymer). The use of the second bottom film layer is compared with the use of the first bottom film layer, and the cost of the anti-corrosion bottom film can be greatly reduced.
According to some embodiments of the invention, the first primer layer has a thickness of 10 to 30 μm, and the second primer layer has a thickness of 20 to 60 μm.
In some embodiments, the second primer layer is in a 2, 3 or more layer configuration.
According to some implementation aspects of the invention, the raw materials of the polymer waterproof roll comprise matrix resin and silica powder, and the mass ratio of the matrix resin to the silica powder in the polymer waterproof roll is 1:0.1 to 2.5.
In some embodiments, the polymeric waterproofing membrane is a TPO waterproofing membrane, and the matrix resin of the polymeric waterproofing membrane is a mixture of TPO and polypropylene in a mass ratio of 1: a combination of 0.3 to 7.
In some embodiments, the raw material of the polymer waterproof roll further includes titanium dioxide, and the mass ratio of the matrix resin to the titanium dioxide in the polymer waterproof roll is 1:0.2 to 2.5.
In some preferred and specific embodiments, the raw materials of the polymer waterproof roll comprise, by weight, 10 to 50 parts of matrix resin, 5 to 25 parts of silica micropowder and 10 to 25 parts of titanium dioxide. Preferably, the TPO waterproof coiled material comprises, by weight, 25 to 35 parts of matrix resin, 8 to 20 parts of silica micropowder and 10 to 25 parts of titanium dioxide.
In some specific embodiments, the raw materials of the waterproof polymer coil further comprise 0 to 30 parts of a filler, 0.1 to 2 parts of an antioxidant and 0.1 to 2 parts of an ultraviolet absorber.
Further, the polypropylene is homo-polypropylene or a polypropylene-ethylene copolymer.
Further, the TPO is an ethylene-alpha-olefin copolymer, preferably one or a combination of ethylene-propylene copolymer, ethylene-butene copolymer and ethylene-octene copolymer.
Further, the filler includes, but is not limited to, calcium carbonate, talc, aluminum hydroxide, magnesium hydroxide, or combinations thereof.
Further, the thickness of the polymer waterproof coiled material is 0.2-2.0 mm. Preferably, the thickness of the high polymer waterproof coiled material is 0.2 to 0.4mm.
According to some embodiments of the present invention, the hot melt adhesive film is a multi-layer structure, the raw materials of each layer of structure respectively include a matrix resin and a silica powder, and the mass ratio of the matrix resin to the silica powder in each layer of structure is 1:0.04 to 1.
In some embodiments, the hot melt adhesive film comprises a first adhesive layer for bonding with the metal plate, a second adhesive layer for bonding with the polymer waterproof roll, and a transition layer disposed between the first adhesive layer and the second adhesive layer,
the base resin of the first adhesive layer is epoxy resin, and the mass ratio of the base resin to the silicon micropowder in the first adhesive layer is 1:0.05 to 0.45.
The matrix resin of the transition layer is phenoxy resin, ethylene-vinyl acetate copolymer and maleic anhydride grafted polyolefin resin according to the mass ratio of 1:0.1 to 3:0.3 to 4.5, wherein the mass ratio of the matrix resin to the silicon micropowder in the transition layer is 1:0.04 to 0.9.
The matrix resin of the second adhesive layer is at least one of HDPE, LDPE, LLDPE, SEBS and POE, and the mass ratio of the matrix resin to the silica micropowder in the second adhesive layer is 1:0.05 to 0.6.
In some specific embodiments, the raw materials of the first adhesive layer further include an epoxy resin reactive diluent, an epoxy resin latent curing agent, and an epoxy resin curing accelerator, and the mass ratio of the matrix resin, the epoxy resin reactive diluent, the epoxy resin latent curing agent, and the epoxy resin curing accelerator in the first adhesive layer is 1:0.06 to 0.25:0.02 to 0.15:0.01 to 0.09.
The first adhesive layer comprises, by weight, 60-80 parts of base resin, 5-15 parts of epoxy resin active diluent, 2-8 parts of epoxy resin latent curing agent, 1-5 parts of epoxy resin curing accelerator, 0.5-2.5 parts of silane coupling agent and 5-25 parts of silicon micropowder. Preferably, the raw materials of the first adhesive layer comprise, by weight, 60-80 parts of matrix resin, 5-15 parts of epoxy resin active diluent, 2-8 parts of epoxy resin latent curing agent, 1-5 parts of epoxy resin curing accelerator, 0.5-2.5 parts of silane coupling agent and 8-20 parts of silicon micropowder.
In some embodiments, the phenoxy resin has a weight average molecular weight of 40000 or greater. Preferably, the weight average molecular weight of the phenoxy resin is 40000 to 65000. Further preferably, the weight average molecular weight of the phenoxy resin is 50000 to 65000.
Further, the raw materials of the transition layer comprise 30-125 parts by weight of matrix resin and 5-25 parts by weight of silica micropowder.
In some preferable and specific embodiments, the raw materials of the transition layer comprise 25 to 35 parts of phenoxy resin, 10 to 20 parts of ethylene-vinyl acetate copolymer, 25 to 35 parts of maleic anhydride grafted polyolefin resin and 8 to 20 parts of silicon micropowder.
In some specific embodiments, the raw material of the transition layer further comprises 0.2 to 2 parts of an auxiliary agent, and the auxiliary agent in the transition layer comprises one or more of an antioxidant and an ultraviolet absorber.
In some specific embodiments, the raw materials of the second adhesive layer further include a tackifying resin, and the mass ratio of the matrix resin to the tackifying resin in the second adhesive layer is 1:0.1 to 0.5.
Further, the raw materials of the second adhesive layer comprise, by weight, 45-90 parts of matrix resin, 10-20 parts of tackifying resin and 5-25 parts of silicon micropowder. Preferably, the raw materials of the second adhesive layer comprise, by weight, 45-90 parts of matrix resin, 10-20 parts of tackifying resin and 8-20 parts of silicon micropowder.
Further, the raw material of the second adhesive layer also comprises 0.2 to 2 parts of an auxiliary agent, and the auxiliary agent in the second adhesive layer comprises one or a combination of several of an antioxidant and an ultraviolet absorbent.
According to some embodiments of the invention, the thickness of each layer structure is selected from 0.01 to 0.05mm; and/or the metal plate is a galvanized steel plate.
According to some embodiments of the invention, the metal plate is a galvanized steel plate.
In the present invention, the TPO is a polyolefin thermoplastic elastomer; the SEBS refers to a styrene-ethylene-butylene-styrene block copolymer; the POE refers to a random copolymer elastomer which is prepared by carrying out in-situ polymerization on ethylene and high-carbon alpha-olefin (1-butene, 1-hexene, 1-octene and the like) by adopting a metallocene catalyst.
According to some embodiments of the invention, the method of preparing the membrane plate includes the step of preparing a corrosion-resistant base membrane, the method of preparing the corrosion-resistant base membrane including the steps of:
s1, adding all raw materials of the first bottom film layer into a double-screw extruder, and carrying out extrusion granulation to obtain first bottom film layer material particles;
s2, adding all the raw materials of the second bottom film layer into a double-screw extruder, and performing extrusion granulation to obtain second bottom film layer material particles;
and S3, adding the first base film layer material particles obtained in the step S1 and the second base film layer material particles obtained in the step S2 into co-extrusion equipment respectively, and performing co-extrusion compounding to obtain the anticorrosive base film.
Further, in the step S1, the extrusion temperature of the double-screw extruder is 170 to 180 ℃.
Further, in the step S2, the extrusion temperature of the double-screw extruder is 180 to 190 ℃.
Further, in the step S3, the temperature of a co-extrusion die head of the co-extrusion equipment is 175-185 ℃.
The second technical scheme adopted by the invention is as follows: the preparation method of the film-coated plate comprises the steps of sequentially arranging the high-molecular waterproof coiled material, the hot-melt adhesive film and the metal plate, bonding the high-molecular waterproof coiled material, the hot-melt adhesive film and the metal plate together through first hot pressing, compounding the anti-corrosion base film on the metal plate, and bonding the anti-corrosion base film through second hot pressing to obtain the film-coated plate.
Further, the first hot pressing is performed at a temperature of 180 to 220 ℃ and a pressure of 0.3 to 0.8MPa, and the second hot pressing is performed at a temperature of 140 to 180 ℃ and a pressure of 0.3 to 0.8 MPa.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the film-covered plate, the silicon micro powder is introduced into the high-polymer waterproof roll and the hot melt adhesive film, and meanwhile, the formula of the anti-corrosion base film is redesigned, so that the film-covered plate has anti-corrosion performance on the back surface and heat conduction performance and heat dissipation performance integrally, heat generated when the exposed high-polymer waterproof roll is welded can be quickly diffused out, and poor welding caused by easy wrinkle generation during welding of high-polymer waterproof rolls such as TPO with a thin thickness is avoided. In addition, the anti-corrosion base film disclosed by the invention not only has heat conduction performance and heat dissipation performance, but also can form a compact physical shielding layer in the anti-corrosion base film, so that the diffusion path of a corrosion medium is prolonged, the diffusion rate of a corrosion factor is reduced, the corrosion resistance of the anti-corrosion base film is greatly improved, and the integral anti-corrosion performance of the film coating plate is obviously improved together with exposed high-molecular waterproof coiled materials such as TPO (thermoplastic polyolefin).
Detailed Description
As described in the background art, when the existing film-coated plate uses a thin TPO waterproof coiled material and also contains an anticorrosion basement membrane, the welding is easy to generate the phenomena of wrinkle and damage.
The main idea of the invention is that the silica micropowder is introduced into the high polymer waterproof coiled material and the hot melt adhesive film, so that heat generated during welding can be quickly diffused out, and the phenomenon of wrinkle and damage can not occur during welding of the thin high polymer waterproof coiled material such as TPO and the like.
The invention further conceives that the formula of the anti-corrosion base film is redesigned, so that the back surface of the film coating plate has anti-corrosion performance, and the phenomenon of poor heat conduction caused by the increase of the anti-corrosion base film is avoided, and the whole film coating plate has good heat conduction and heat dissipation performance.
In addition, the inventor of the invention also unexpectedly finds that the boiling performance of the anti-corrosion base film after scratching is obviously improved by introducing the graphene oxide into the first base film layer of the anti-corrosion base film, which is bonded with the metal plate. Therefore, the invention further conceives that the hot melt adhesive film is selected from high-temperature-resistant hot melt adhesive films to be matched with the anti-corrosion base film, so that the whole film-coated plate has the boiling performance after scratching resistance.
The technical solutions of the present invention are described in detail below with reference to specific examples so that those skilled in the art can better understand and implement the technical solutions of the present invention, but the present invention is not limited to the scope of the examples.
The sources of the raw materials used in the following examples are as follows:
the silicon micro powder is crystal silicon micro powder of new material GmbH of Jiangsu allirui, china, D50 is 5um, and whiteness is 95; the epoxy resin is selected from polyphenol epoxy resin (specifically F-51 of Sanmu group of Jiangsu province, china); the epoxy resin reactive diluent adopts phenyl glycidyl ether; the epoxy resin latent curing agent is HT 2844 of Switzerland bus (Ciba Geigy); the epoxy resin curing accelerator is UR500 of the German Azuken company; the silane coupling agent is KH-560; the phenoxy resin is PKFE of Henshimi company in America, and the weight average molecular weight of the phenoxy resin is 60000; the maleic anhydride grafted polyolefin resin is FB19E5 of Fine-Blend which is good and easy in Shanghai in China; POE selects Dow Engage 8440; SEBS is selected from Kraton G1657 of Cocoten; the hydrogenated petroleum resin is 5600 of Ekson, USA; LLDPE is selected from China Jilin petrochemical 7042.
Example 1
The tectorial membrane board that this embodiment provided is including anticorrosive basement membrane, metal sheet, hot melt adhesive membrane and the TPO waterproofing membrane that sets gradually.
In this example, the formulation of the raw materials of the TPO waterproof roll is as follows: 10 parts of TPO, 20 parts of polypropylene, 15 parts of silica powder and 20 parts of titanium dioxide, wherein the thickness of the TPO waterproof coiled material is 0.3mm.
In this example, the hot melt adhesive membrane includes the first glue film that is used for bonding with the metal sheet, is used for the second glue film that bonds with TPO waterproofing membrane and sets up the transition layer between first glue film and second glue film, and wherein, the raw materials formulation of first glue film is as follows: 70 parts of epoxy resin, 10 parts of epoxy resin active diluent, 5 parts of epoxy resin latent curing agent, 3 parts of epoxy resin curing accelerator, 1.5 parts of silane coupling agent and 15 parts of silicon micropowder; the raw material formula of the transition layer is as follows: 30 parts of phenoxy resin, 15 parts of EVA (ethylene-vinyl acetate copolymer), 30 parts of maleic anhydride grafted polyethylene, 0.5 part of antioxidant 1010, 0.5 part of ultraviolet absorbent and 15 parts of silicon micropowder; the raw material formula of the second adhesive layer is as follows: 75 parts of LLDPE, 15 parts of hydrogenated petroleum resin, 15 parts of silicon micropowder, 0.5 part of antioxidant and 0.5 part of ultraviolet absorbent.
The hot melt adhesive film is prepared by the following method:
step (1), mixing all raw materials of a first adhesive layer at the temperature of about 70 ℃ for 60min to obtain a first adhesive layer feed liquid;
adding all raw materials of the transition layer into a double-screw extruder, and performing extrusion granulation to obtain transition layer granules, wherein the extrusion temperature is 150-160 ℃;
adding all raw materials of the second adhesive layer into a double-screw extruder, and performing extrusion granulation to obtain second adhesive layer granules, wherein the extrusion temperature is 160-170 ℃;
and (4) respectively adding the material liquid of the first adhesive layer, the material particles of the transition layer and the material particles of the second adhesive layer into three-layer calendering and co-extruding equipment, and carrying out three-layer co-extrusion compounding to obtain a hot melt adhesive film with a three-layer structure, wherein the working temperature of a feeding screw of the material of the first adhesive layer is controlled to be 90-100 ℃, the working temperature of a feeding screw of the material particles of the transition layer is controlled to be 130-140 ℃, the working temperature of a feeding screw of the material particles of the second adhesive layer is controlled to be 170-180 ℃, the temperature of a co-extruding die head is controlled to be 170-180 ℃, the thickness of the first adhesive layer is 0.02mm, the thickness of the transition layer is 0.02mm, and the thickness of the second adhesive layer is 0.02mm.
In this example, the corrosion-resistant base film comprises a first base film layer for bonding with the metal plate and a second base film layer disposed on the first base film layer, wherein the first base film layer comprises the following raw materials: 75 parts of maleic anhydride grafted polyethylene, 15 parts of hydrogenated petroleum resin, 15 parts of silicon micropowder, 1 part of graphene oxide, 0.5 part of antioxidant and 0.5 part of ultraviolet absorbent; the raw material formula of the second bottom film layer is as follows: 75 parts of LLDPE, 15 parts of silica powder, 1 part of graphene oxide, 0.5 part of antioxidant and 0.5 part of ultraviolet absorber. Wherein the graphene oxide is selected from SE1132 of the science and technology corporation of the sixth element material of Changzhou China.
The anticorrosive base film is prepared by the following method:
s1, adding all raw materials of a first bottom film layer into a double-screw extruder, and carrying out extrusion granulation to obtain first bottom film layer material particles, wherein the extrusion temperature is 175 ℃;
s2, adding all raw materials of the second bottom film layer into a double-screw extruder, and performing extrusion granulation to obtain second bottom film layer material particles, wherein the extrusion temperature is 185 ℃;
and S3, respectively adding the first bottom film layer material particles obtained in the step S1 and the second bottom film layer material particles obtained in the step S2 into three-layer film blowing co-extrusion equipment, and performing co-extrusion compounding to obtain the anticorrosive bottom film with a three-layer structure, wherein the die head temperature is 180 ℃, the second bottom film layer is of a two-layer structure, the two-layer structure is completely the same in material, the thickness of the first bottom film layer is 20 microns, and the thickness of the second bottom film layer is 40 microns.
In this example, the metal plate was a galvanized steel plate having a thickness of 0.6mm.
The film-coated plate is prepared by the following method:
and (3) carrying out hot pressing on the TPO waterproof coiled material, the hot melt adhesive film and the metal plate for 20s at the hot pressing temperature of 200 ℃ and the pressure of 0.6Mpa to obtain a semi-finished product, then compounding the semi-finished product of the metal plate and the anticorrosive basement membrane, and carrying out hot pressing for 20s at the hot pressing temperature of 150 ℃ and the pressure of 0.6Mpa to obtain the laminated plate.
Example 2
The difference between the film coating plate provided in this example and example 1 is basically the same as example 1 in that:
5 parts of silica powder in the TPO waterproof coiled material;
the amount of the silicon micropowder in the first adhesive layer, the transition layer and the second adhesive layer of the hot melt adhesive film is respectively 5 parts;
the amount of the silicon micropowder in the first bottom film layer and the second bottom film layer of the anticorrosion bottom film is 5 parts.
The usage amount of the graphene oxide in the first bottom film layer and the second bottom film layer of the anticorrosion bottom film is 0.05 part.
Example 3
The difference between the film coating plate provided in this example and example 1 is basically the same as example 1 in that:
the using amount of the silica micropowder in the TPO waterproof coiled material is 25 parts;
the amount of the silicon micropowder in the first adhesive layer, the transition layer and the second adhesive layer of the hot melt adhesive film is 25 parts respectively;
the amount of the silicon micropowder in the first bottom film layer and the second bottom film layer of the anticorrosion bottom film is 25 parts.
The usage amount of the graphene oxide in the first bottom film layer and the second bottom film layer of the anticorrosion bottom film is 3 parts.
Example 4
The film coating plate provided in this example is basically the same as example 1, and is different from example 1 in that:
the raw material formula of the first bottom film layer is as follows: 50 parts of maleic anhydride grafted polyethylene, 15 parts of hydrogenated petroleum resin, 10 parts of silicon micropowder, 1.5 parts of graphene oxide, 0.5 part of antioxidant and 0.5 part of ultraviolet absorber.
Example 5
The difference between the film coating plate provided in this example and example 1 is basically the same as example 1 in that:
the raw material formula of the second bottom film layer is as follows: 50 parts of LLDPE, 10 parts of silica powder, 2 parts of graphene oxide, 0.5 part of antioxidant and 0.5 part of ultraviolet absorber.
Example 6
The difference between the film coating plate provided in this example and example 1 is basically the same as example 1 in that: the graphene oxide in the anti-corrosion base film is different from that in embodiment 1, specifically SE1133, a product of science and technology, ltd.
Comparative example 1
The preparation method of the coated plate provided by the comparative example is basically the same as that of the coated plate in example 1, and the difference from the coated plate in example 1 is that: graphene oxide is not added in the first bottom film layer and the second bottom film layer of the anticorrosion bottom film.
Comparative example 2
The preparation method of the coated plate provided by the comparative example is basically the same as that of the coated plate in example 1, and the difference from the coated plate in example 1 is that: the first bottom film layer and the second bottom film layer of the anticorrosion bottom film are not added with graphene oxide sheets, but are added with mica flakes with the same quantity and the barrier and anticorrosion effects.
The following performance tests were performed on the coating plates of examples 1 to 6 and comparative examples 1 to 2, and the results are shown in table 1:
and (3) performing water boiling test after grid cutting: and (3) dividing the prepared film-coated plate into grids according to an adhesion force test method in globle mark T/CBMCA 017-2020 building film-coated steel plates, dividing both sides of the film-coated plate into 3mm multiplied by 3mm, then boiling the film-coated plate after division into grids in boiling water for 48h according to the standard, and observing whether the film-coated plate has the phenomena of bulging and falling off. Meanwhile, the peeling strength of the laminated plate at normal temperature is tested according to the group standard T/CBMCA 017-2020 laminating steel plate for construction.
And (3) testing welding performance: and (3) using a manual hot air welding gun to weld the lap joint edges, wherein the welding temperature is 360 ℃.
Corrosion resistance (salt spray resistance) performance test: GB/T17748-2016.
Table 1 shows the results of the performance tests of the coated sheets of examples 1 to 6 and comparative examples 1 to 2
Figure 12615DEST_PATH_IMAGE002
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.

Claims (14)

1. The utility model provides a tectorial membrane board, includes anticorrosive basement membrane, metal sheet, hot melt adhesive membrane and the polymer waterproofing membrane that sets gradually, its characterized in that: silicon micro powder is respectively added into the high-molecular waterproof coiled material and the hot melt adhesive film;
the anti-corrosion base film comprises a first base film layer and a second base film layer, wherein the first base film layer is used for being bonded with the metal plate, and the second base film layer is arranged on the first base film layer;
the first base film layer comprises, by weight, 50 to 75 parts of maleic anhydride grafted polyethylene, 15 parts of hydrogenated petroleum resin, 10 to 15 parts of silica micropowder and 1 to 1.5 parts of graphene oxide;
the raw materials of the second bottom film layer comprise, by weight, 50 to 75 parts of linear low-density polyethylene, 10 to 15 parts of silicon micropowder and 1 to 2 parts of graphene oxide;
the graphene oxide is selected from SE1132 of the science and technology corporation of the sixth element material of Changzhou China;
the particle size D50 of the silicon micropowder is 5 microns.
2. A membrane panel according to claim 1, wherein: the raw materials of the high-molecular waterproof roll comprise matrix resin and silica powder, wherein the mass ratio of the matrix resin to the silica powder in the high-molecular waterproof roll is 1:0.1 to 2.5.
3. A membrane panel according to claim 2, wherein: the matrix resin of the high-molecular waterproof coiled material is TPO and polypropylene according to the mass ratio of 1: a combination of 0.3 to 7; and/or, the raw materials of the polymer waterproof roll also comprise titanium dioxide, and the mass ratio of the matrix resin to the titanium dioxide in the polymer waterproof roll is 1:0.2 to 2.5.
4. A membrane panel according to claim 3, wherein: the raw materials of the high-molecular waterproof coiled material comprise, by weight, 10-50 parts of matrix resin, 5-25 parts of silica micropowder and 10-25 parts of titanium dioxide.
5. A membrane panel according to claim 4, wherein: the raw materials of the high-molecular waterproof coiled material comprise, by weight, 25-35 parts of matrix resin, 8-20 parts of silica micropowder and 10-25 parts of titanium dioxide.
6. A membrane covering plate according to any one of claims 1 to 5, wherein: the hot melt adhesive film is of a multilayer structure, the raw materials of each layer of structure respectively comprise matrix resin and silica powder, and the mass ratio of the matrix resin to the silica powder in each layer of structure is 1:0.04 to 1.
7. A membrane panel according to claim 6, wherein: the hot melt adhesive film comprises a first adhesive layer for bonding with the metal plate, a second adhesive layer for bonding with the high polymer waterproof coiled material and a transition layer arranged between the first adhesive layer and the second adhesive layer,
the base resin of the first adhesive layer is epoxy resin, and the mass ratio of the base resin to the silicon micropowder in the first adhesive layer is 1:0.05 to 0.45;
the matrix resin of the transition layer is phenoxy resin, ethylene-vinyl acetate copolymer and maleic anhydride grafted polyolefin resin according to the mass ratio of 1:0.1 to 3:0.3 to 4.5, wherein the mass ratio of the matrix resin to the silicon micropowder in the transition layer is 1:0.04 to 0.9;
the matrix resin of the second adhesive layer is at least one of HDPE, LDPE, LLDPE, SEBS and POE, and the mass ratio of the matrix resin to the silica micropowder in the second adhesive layer is 1:0.05 to 0.6.
8. A membrane panel according to claim 7, wherein: the raw materials of the first adhesive layer further comprise an epoxy resin active diluent, an epoxy resin latent curing agent and an epoxy resin curing accelerator, wherein the mass ratio of the matrix resin, the epoxy resin active diluent, the epoxy resin latent curing agent and the epoxy resin curing accelerator in the first adhesive layer is 1:0.06 to 0.25:0.02 to 0.15:0.01 to 0.09; and/or the presence of a gas in the atmosphere,
the weight average molecular weight of the phenoxy resin is above 40000; and/or the presence of a gas in the gas,
the raw materials of the second adhesive layer also comprise tackifying resin, and the mass ratio of the matrix resin to the tackifying resin in the second adhesive layer is 1:0.1 to 0.5.
9. A membrane panel according to claim 8, wherein: the raw materials of the first adhesive layer comprise, by weight, 60-80 parts of matrix resin, 5-15 parts of epoxy resin active diluent, 2-8 parts of epoxy resin latent curing agent, 1-5 parts of epoxy resin curing accelerator, 0.5-2.5 parts of silane coupling agent and 8-20 parts of silicon micropowder; and/or the presence of a gas in the atmosphere,
the material of the transition layer comprises, by weight, 25 to 35 parts of phenoxy resin, 10 to 20 parts of ethylene-vinyl acetate copolymer, 25 to 35 parts of maleic anhydride grafted polyolefin resin and 8 to 20 parts of silicon micropowder; and/or the presence of a gas in the gas,
the raw materials of the second adhesive layer comprise, by weight, 45-90 parts of matrix resin, 10-20 parts of tackifying resin and 8-20 parts of silicon micropowder.
10. A membrane panel according to claim 6, wherein: the thickness of each layer of structure is selected from 0.01 to 0.05mm; and/or the metal plate is a galvanized steel plate.
11. A membrane panel according to claim 1, wherein: the raw material of the first bottom film layer also comprises an auxiliary agent, and the auxiliary agent in the first bottom film layer comprises one or more of an antioxidant and an ultraviolet absorbent; and/or the presence of a gas in the atmosphere,
the raw material of the second bottom film layer also comprises an auxiliary agent, and the auxiliary agent in the second bottom film layer comprises one or more of an antioxidant and an ultraviolet absorbent; and/or the presence of a gas in the gas,
the thickness of the first bottom film layer is 10 to 30 micrometers, and the thickness of the second bottom film layer is 20 to 60 micrometers; and/or the presence of a gas in the gas,
the thickness of the polymer waterproof coiled material is 0.2 to 2.0mm.
12. A coated board according to any one of claims 1 to 5 and 11, wherein the anticorrosive base film is prepared by a preparation method comprising the following steps:
s1, adding all raw materials of the first bottom film layer into a double-screw extruder, and carrying out extrusion granulation to obtain first bottom film layer material particles;
s2, adding all the raw materials of the second bottom film layer into a double-screw extruder, and carrying out extrusion granulation to obtain second bottom film layer material particles;
and S3, adding the first base film layer material particles obtained in the step S1 and the second base film layer material particles obtained in the step S2 into co-extrusion equipment respectively, and performing co-extrusion compounding to obtain the anticorrosive base film.
13. A method for producing a film-coated board according to any one of claims 1 to 12, characterized in that: the method comprises the steps of sequentially arranging a high-polymer waterproof coiled material, a hot-melt adhesive film and a metal plate, bonding the high-polymer waterproof coiled material, the hot-melt adhesive film and the metal plate together through first hot pressing, compounding an anti-corrosion base film on the metal plate, and bonding the anti-corrosion base film through second hot pressing to obtain the laminated plate.
14. A method of manufacturing a coated sheet according to claim 13, wherein: the first hot pressing is carried out at a temperature of 180 to 220 ℃ and a pressure of 0.3 to 0.8MPa, and the second hot pressing is carried out at a temperature of 140 to 180 ℃ and a pressure of 0.3 to 0.8 MPa.
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