CN114536910A - TPO composite metal plate - Google Patents

TPO composite metal plate Download PDF

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Publication number
CN114536910A
CN114536910A CN202210192098.XA CN202210192098A CN114536910A CN 114536910 A CN114536910 A CN 114536910A CN 202210192098 A CN202210192098 A CN 202210192098A CN 114536910 A CN114536910 A CN 114536910A
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parts
tpo
layer
composite metal
metal plate
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Inventor
朱丽琴
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Suzhou Paifu Machinery Co ltd
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Suzhou Paifu Machinery Co ltd
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Priority to CN202210192098.XA priority Critical patent/CN114536910A/en
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    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B27/32—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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/552—Fatigue strength
    • 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
    • B32B2307/712—Weather resistant
    • 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
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2307/73—Hydrophobic
    • 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
    • B32B2307/754—Self-cleaning
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • 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
    • C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2383/04—Polysiloxanes
    • C08J2383/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • 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
    • C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
    • 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]

Abstract

The invention discloses a TPO composite metal plate which sequentially comprises a metal plate, a high-molecular adhesive film layer, a TPO layer and an anti-fouling hydrophobic film layer from bottom to top; the TPO layer is bonded with the metal plate through a polymer film layer; the antifouling hydrophobic membrane layer is connected with the TPO layer through hot pressing or co-extrusion; the TPO layer comprises the following raw materials in parts by weight: 30-50 parts of TPO elastomer, 5-20 parts of POE elastomer, 15-25 parts of filler, 5-10 parts of titanium dioxide, 5-10 parts of maleic anhydride grafting material and 0.5-1 part of antioxidant; the preparation raw materials of the anti-fouling hydrophobic membrane layer comprise the following components in parts by weight: 30-50 parts of fluorine modified hydroxyl organic silicon resin, 10-20 parts of silane coupling agent, 40-60 parts of organic solvent, 30-60 parts of deionized water and 2-5 parts of catalyst. The TPO composite metal plate has excellent waterproof, corrosion-resistant, weather-resistant and anti-fouling performances, and is high in strength, good in impact resistance and long in service life.

Description

TPO composite metal plate
Technical Field
The invention relates to the technical field of film-coated metal plates, in particular to a TPO composite metal plate.
Background
The solar photovoltaic power generation can provide clean power for enterprises and residents, and is a recognized clean energy source all over the world. In China, the application benefit of the photovoltaic technology is remarkably improved thanks to national policy support and continuous development of the photovoltaic technology, and large-area idle roofs of industrial plants become the best choice for mounting photovoltaic modules. At present, the roof construction form of large-area plants and public facility buildings which are used as main carriers of roof solar power generation loaders is mainly a traditional metal plate roof; in consideration of the fact that the roof solar system is difficult to renovate a roof in use once installed for power generation and put into use, higher requirements are put forward on functions of water resistance, weather resistance and the like of a building roof. Conventional metal sheet roofing is waterproof corrosion-resistant and weather resistance is relatively poor, in case by the corruption destruction back, need demolish photovoltaic module to wholly change sheet metal, the cost is huge.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a TPO composite metal sheet, which has excellent waterproof, corrosion-resistant, weather-resistant and stain-resistant properties, high strength, good impact resistance and long service life.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a TPO composite metal plate comprises a metal plate, a high-molecular glue film layer, a TPO layer and an anti-fouling hydrophobic film layer from bottom to top in sequence; the TPO layer is bonded with the metal plate through the polymer film layer; the antifouling hydrophobic membrane layer is connected with the TPO layer through hot pressing or co-extrusion;
the TPO layer is prepared from the following raw materials in parts by weight: 30-50 parts of TPO elastomer, 5-20 parts of POE elastomer, 15-25 parts of filler, 5-10 parts of titanium dioxide, 5-10 parts of maleic anhydride grafting material and 0.5-1 part of antioxidant;
the preparation raw materials of the anti-fouling hydrophobic membrane layer comprise the following components in parts by weight: 30-50 parts of fluorine modified hydroxyl organic silicon resin, 10-20 parts of silane coupling agent, 40-60 parts of organic solvent, 30-60 parts of deionized water and 2-5 parts of catalyst.
Preferably, the metal plate is a stainless steel plate, an aluminum alloy plate, a galvanized aluminum plate or a galvanized steel plate.
Furthermore, the thickness of the metal plate is 0.2-3 mm.
Further, the polymer film layer is 15-280 μm.
Further, the thickness of the TPO layer is 0.1-3.5 mm.
Further, the thickness of the anti-fouling hydrophobic membrane layer is 15-280 μm.
Preferably, the filler is at least one of calcium carbonate, talcum powder, magnesium hydroxide, silica and aluminum hydroxide.
Preferably, the silane coupling agent is selected from one of vinyltriethoxysilane, vinyltrimethoxysilane, vinyltris (β -methoxyethoxy) silane, and γ - (methacryloyloxy) propyltrimethoxysilane.
Preferably, the catalyst is phosphoric acid, hydrochloric acid, oxalic acid or organotin.
Preferably, the organic solvent is one of ethanol, isopropanol, acetone and hexane.
The invention has the beneficial effects that:
the TPO layer in the composite metal plate adopts TPO elastomer as a base material, POE elastomer as a flexibilizer, filler is used for improving the strength of the TPO layer, maleic anhydride grafting material is used for improving the compatibility among the components, and antioxidant and titanium dioxide are used for improving the oxidation resistance, ageing resistance and weather resistance of the TPO layer; the TPO layer has better waterproof and corrosion-resistant properties, can endow the composite metal plate with better waterproof and corrosion-resistant functions, and can endow the composite metal plate with better weather resistance and aging resistance, thereby prolonging the service life of the composite metal plate;
the preparation raw materials of the anti-fouling hydrophobic film layer comprise fluorine modified hydroxyl organic silicon resin, a silane coupling agent, an organic solvent, deionized water and a catalyst, wherein the silane coupling agent is hydrolyzed under the action of the catalyst, silicon-oxygen bonds generate silanol, and the silanol and hydroxyl in the fluorine modified hydroxyl organic silicon resin generate a cross-linking reaction to form a resin film with a net structure, so that the film layer has better corrosion resistance and hydrophobicity; the fluorine modified hydroxyl organic silicon resin is used as the resin base material of the anti-fouling hydrophobic film layer, so that the film layer has lower surface energy, better stain resistance, chemical resistance, corrosion resistance, good aging resistance and hydrophobicity, the composite metal plate has low surface energy, a self-cleaning function, good waterproof hydrophobic property and aging resistance, the adhesion of oil stain, dust and the like after long-time storage and use can be avoided, the damage of the oil stain, the dust and the like to the TPO layer can be further avoided, and the service life of the composite metal plate is prolonged.
Furthermore, in the composite metal plate, the metal plate and the TPO layer are bonded through the polymer adhesive film layer, so that the bonding strength is high, and the problem of layering is avoided.
Drawings
FIG. 1 is a schematic structural view of a TPO composite metal sheet of the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1, the TPO composite metal plate sequentially comprises a metal plate 1, a polymer adhesive film layer 2, a TPO layer 3 and an anti-fouling hydrophobic film layer 4 from bottom to top; the TPO layer 3 is bonded with the metal plate 1 through the polymer film layer 2; the antifouling hydrophobic membrane layer 4 and the TPO layer 3 are connected through hot pressing or co-extrusion;
the TPO layer is prepared from the following raw materials in parts by weight: 30-50 parts of TPO elastomer, 5-20 parts of POE elastomer, 15-25 parts of filler, 5-10 parts of titanium dioxide, 5-10 parts of maleic anhydride grafting material and 0.5-1 part of antioxidant;
the preparation raw materials of the anti-fouling hydrophobic membrane layer comprise the following components in parts by weight: 30-50 parts of fluorine modified hydroxyl organic silicon resin, 10-20 parts of silane coupling agent, 40-60 parts of organic solvent, 30-60 parts of deionized water and 2-5 parts of catalyst.
Wherein the metal plate is preferably a stainless steel plate, an aluminum alloy plate, a zinc-plated aluminum plate or a zinc-plated steel plate.
Wherein the thickness of the metal plate is 0.2-3 mm; the polymer film layer is 15-280 μm; the thickness of the TPO layer is 0.1-3.5 mm; the thickness of the anti-fouling hydrophobic membrane layer is 15-280 μm.
Wherein, the filler is preferably at least one of calcium carbonate, talcum powder, magnesium hydroxide, silicon dioxide and aluminum hydroxide.
Wherein the silane coupling agent is selected from one of vinyltriethoxysilane, vinyltrimethoxysilane, vinyltris (beta-methoxyethoxy) silane and gamma- (methacryloyloxy) propyltrimethoxysilane.
Among them, the catalyst is preferably phosphoric acid, hydrochloric acid, oxalic acid or organotin.
Wherein, the organic solvent is preferably one of ethanol, isopropanol, acetone and hexane.
The preparation method of the TPO composite metal plate comprises the following steps:
(1) preparation of TPO layer: weighing TPO elastomer, POE elastomer, filler, titanium dioxide, maleic anhydride grafting material and antioxidant according to the parts by weight, stirring and mixing the raw materials, banburying the mixture, extruding and filtering, rolling to form a film, and cooling to obtain the TPO film;
(2) preparing an anti-fouling hydrophobic membrane layer: adding fluorine modified hydroxyl organic silicon resin into a mixed solution formed by deionized water and an organic solvent, heating to 25-35 ℃, sequentially adding a silane coupling agent and a catalyst, stirring until the reaction is complete to obtain a membrane liquid, and preparing an anti-fouling hydrophobic membrane by using the membrane liquid;
(3) covering a TPO film layer on the macromolecule glue film, covering a pollution-resistant hydrophobic film on the other surface of the TPO film layer, and covering the TPO film layer with the macromolecule glue film on the metal plate.
Example 1
The TPO composite metal plate of example 1 includes, from bottom to top, a metal plate, a polymer adhesive film layer, a TPO layer, and a stain-resistant hydrophobic film layer in this order; the TPO layer is bonded with the metal plate through the polymer film layer; the antifouling hydrophobic membrane layer is connected with the TPO layer through hot pressing;
the TPO layer is prepared from the following raw materials in parts by weight: 30 parts of TPO elastomer, 10 parts of POE elastomer, 20 parts of talcum powder, 5 parts of titanium dioxide, 5 parts of maleic anhydride grafting material and 0.5 part of antioxidant;
the antifouling hydrophobic membrane layer comprises the following raw materials in parts by weight: 35 parts of fluorine modified hydroxyl organic silicon resin, 10 parts of vinyl triethoxysilane, 45 parts of ethanol, 45 parts of deionized water and 2 parts of oxalic acid.
Example 2
The TPO composite metal plate of embodiment 2 includes, from bottom to top, a metal plate, a polymer adhesive film layer, a TPO layer, and a stain-resistant hydrophobic film layer in this order; the TPO layer and the metal plate are bonded through the polymer adhesive film layer; the antifouling hydrophobic membrane layer is connected with the TPO layer through hot pressing;
the TPO layer is prepared from the following raw materials in parts by weight: 35 parts of TPO elastomer, 15 parts of POE elastomer, 20 parts of talcum powder, 8 parts of titanium dioxide, 7 parts of maleic anhydride grafting material and 0.5 part of antioxidant;
the antifouling hydrophobic membrane layer comprises the following raw materials in parts by weight: 45 parts of fluorine modified hydroxyl organic silicon resin, 15 parts of vinyl triethoxysilane, 50 parts of ethanol, 50 parts of deionized water and 3 parts of oxalic acid.
Example 3
The TPO composite metal plate of embodiment 3 includes, from bottom to top, a metal plate, a polymer adhesive film layer, a TPO layer, and a stain-resistant hydrophobic film layer in this order; the TPO layer is bonded with the metal plate through the polymer film layer; the antifouling hydrophobic membrane layer is connected with the TPO layer through hot pressing;
the TPO layer is prepared from the following raw materials in parts by weight: 45 parts of TPO elastomer, 20 parts of POE elastomer, 25 parts of talcum powder, 10 parts of titanium dioxide, 10 parts of maleic anhydride grafting material and 1 part of antioxidant;
the antifouling hydrophobic membrane layer comprises the following raw materials in parts by weight: 50 parts of fluorine modified hydroxyl organic silicon resin, 20 parts of vinyl trimethoxy silane, 55 parts of ethanol, 55 parts of deionized water and 3 parts of organic tin.
Comparative example
The difference from example 1 is that: does not contain an anti-fouling hydrophobic membrane layer.
The TPO composite metal sheets of examples 1-3 were subjected to the performance test, and the test results are shown in Table 1.
TABLE 1
Test item Example 1 Example 2 Example 3
Salt spray test No bubbling and falling off after 5000h No bubble or drop after 5000h No bubble or drop after 5000h
Ultraviolet aging resistance test No bubbling and dropping after 3000h No bubbling and dropping after 3000h No bubbling and dropping after 3000h
Impact strength (N/mm)2) 410 460 510
Flexural Strength (N/mm)2) 320 350 370
Contact angle tests were performed on the clad metal sheets of examples 1 to 3 and the clad metal sheet of comparative example, using a KJ-625 contact angle tester. The contact angle was measured to be 147 ° for example 1, 148 ° for example 2, 151 ° for example 3, and 112 ° for comparative example.
According to the tests, the TPO composite metal plate disclosed by the invention has the advantages of good mechanical property, good aging resistance and corrosion resistance, and good anti-fouling hydrophobic property.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A TPO composite metal plate is characterized in that: the composite material sequentially comprises a metal plate, a polymer adhesive film layer, a TPO layer and an anti-fouling hydrophobic film layer from bottom to top; the TPO layer is bonded with the metal plate through the polymer film layer; the antifouling hydrophobic membrane layer is connected with the TPO layer through hot pressing or co-extrusion;
the TPO layer is prepared from the following raw materials in parts by weight: 30-50 parts of TPO elastomer, 5-20 parts of POE elastomer, 15-25 parts of filler, 5-10 parts of titanium dioxide, 5-10 parts of maleic anhydride grafting material and 0.5-1 part of antioxidant;
the preparation raw materials of the anti-fouling hydrophobic membrane layer comprise the following components in parts by weight: 30-50 parts of fluorine modified hydroxyl organic silicon resin, 10-20 parts of silane coupling agent, 40-60 parts of organic solvent, 30-60 parts of deionized water and 2-5 parts of catalyst.
2. The TPO composite metal sheet of claim 1 wherein: the metal plate is a stainless steel plate, an aluminum alloy plate, a galvanized aluminum plate or a galvanized steel plate.
3. The TPO composite metal sheet of claim 1, wherein: the thickness of the metal plate is 0.2-3 mm.
4. The TPO composite metal sheet of claim 1, wherein: the polymer film layer is 15-280 μm.
5. The TPO composite metal sheet of claim 1, wherein: the thickness of the TPO layer is 0.1-3.5 mm.
6. The TPO composite metal sheet of claim 1, wherein: the thickness of the anti-fouling hydrophobic membrane layer is 15-280 μm.
7. The TPO composite metal sheet of claim 1, wherein: the filler is at least one of calcium carbonate, talcum powder, magnesium hydroxide, silicon dioxide and aluminum hydroxide.
8. The TPO composite metal sheet of claim 1, wherein: the silane coupling agent is selected from one of vinyltriethoxysilane, vinyltrimethoxysilane, vinyltris (beta-methoxyethoxy) silane and gamma- (methacryloyloxy) propyltrimethoxysilane.
9. The TPO composite metal sheet of claim 1, wherein: the catalyst is phosphoric acid, hydrochloric acid, oxalic acid or organic tin.
10. The TPO composite metal sheet of claim 1, wherein: the organic solvent is one of ethanol, isopropanol, acetone and hexane.
CN202210192098.XA 2022-02-28 2022-02-28 TPO composite metal plate Pending CN114536910A (en)

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JPH0532930A (en) * 1991-07-31 1993-02-09 Asahi Glass Co Ltd Coating composition
US20080179574A1 (en) * 2007-01-26 2008-07-31 Li-Ying Yang Method and use of a stretchable nonreinforced tpo building materials
CN101402827A (en) * 2008-11-03 2009-04-08 广州市白云文物保护工程有限公司 Organosilicon fluorine material for sealing and protecting irony cultural relics and method of producing the same
CN102876226A (en) * 2012-08-31 2013-01-16 江苏创基新材料有限公司 Hard and high-flexibility organic silicon fouling and flash prevention coating agent and preparation method thereof
CN111231451A (en) * 2020-01-16 2020-06-05 江苏凯伦建材股份有限公司 Film-coated metal plate
KR20210035955A (en) * 2019-09-24 2021-04-02 주식회사 포스코 Coating composition for hot dip galvanized steel sheet having excellent blackening-resistance and alkali-resistance the surface treated hot dip galvanized steel sheet prepared by using the coating composition and method for preparing the surface treated hot dip galvanized steel sheet

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JPH0532930A (en) * 1991-07-31 1993-02-09 Asahi Glass Co Ltd Coating composition
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CN101402827A (en) * 2008-11-03 2009-04-08 广州市白云文物保护工程有限公司 Organosilicon fluorine material for sealing and protecting irony cultural relics and method of producing the same
CN102876226A (en) * 2012-08-31 2013-01-16 江苏创基新材料有限公司 Hard and high-flexibility organic silicon fouling and flash prevention coating agent and preparation method thereof
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CN111231451A (en) * 2020-01-16 2020-06-05 江苏凯伦建材股份有限公司 Film-coated metal plate

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