CN110564234A - water-based PVDF (polyvinylidene fluoride) fluorocarbon coating for coiled material as well as preparation method and application thereof - Google Patents

water-based PVDF (polyvinylidene fluoride) fluorocarbon coating for coiled material as well as preparation method and application thereof Download PDF

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Publication number
CN110564234A
CN110564234A CN201910605194.0A CN201910605194A CN110564234A CN 110564234 A CN110564234 A CN 110564234A CN 201910605194 A CN201910605194 A CN 201910605194A CN 110564234 A CN110564234 A CN 110564234A
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percent
pvdf
emulsion
water
acrylic emulsion
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侯汉亭
孙海博
袁禅宏
罗国安
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ZHUHAI FUTE TECHNOLOGY Co Ltd
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ZHUHAI FUTE TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C09D127/16—Homopolymers or copolymers of vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/002—Priming paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a water-based hot-melt PVDF fluorocarbon coating for coiled materials, which comprises a base coat and a finish coat, and is characterized in that: the base coat comprises the following components in percentage by weight: acrylic emulsion I: 50-60 percent; PVDF fluororesin emulsion: 0 to 15 percent; flexibility modifier: 1 to 5 percent; a crosslinking agent: 1 to 5 percent; 15-25% of an antirust pigment; auxiliary agent: 1 to 3 percent; cosolvent: 1 to 5 percent; deionized water: 10 to 20 percent; the finish paint comprises: PVDF fluororesin emulsion: 50-60 percent; acrylic emulsion II: 15 to 25 percent; inorganic pigment: 15 to 25 percent; film-forming cosolvent: 5 to 10 percent; the deionized water is: 5 to 20 percent. The invention also discloses a preparation method and application of the water-based hot-melt PVDF fluorocarbon coating for the coiled material. According to the invention, the water-based hot-melt PVDF fluorocarbon is used as the bottom coating and the top coating of the coating to replace solvent-based and water-soluble coatings, the VOC content of the bottom coating in the water-based PVDF fluorocarbon coating is lower than 50g/L, the VOC content of the top coating is lower than 100g/L, and the VOC content is low, so that the coating is environment-friendly, safe, chemical-resistant and good in weather resistance.

Description

water-based PVDF (polyvinylidene fluoride) fluorocarbon coating for coiled material as well as preparation method and application thereof
Technical Field
The invention belongs to the field of coatings, and particularly relates to a water-based hot-melt PVDF fluorocarbon coating for coiled materials, and a preparation method and application thereof.
Background
The solvent-based coating is prepared by taking an organic solvent as a dispersion medium. The solvent-based coating has the problems of environmental pollution, energy waste, high cost and the like, and with the enhancement of national environmental regulations, water-soluble coatings such as water-soluble acrylic acid or polyester and the like are partially used, but the organic volatile compounds (VOC) of the water-soluble acrylic acid or polyester coating are still high, and the water-soluble acrylic acid has the problem of insufficient flexibility when subjected to T-bend extension, while the water-soluble polyester has the problems of insufficient chemical resistance and weather resistance and the like, and is difficult to meet the requirement of high performance.
Disclosure of Invention
the invention provides a water-based hot-melt PVDF fluorocarbon coating for coiled materials, which has the effects of environmental protection, safety, chemical resistance and excellent weather resistance.
in order to solve the technical problems, the technical scheme of the invention is as follows:
a water-based hot-melt PVDF fluorocarbon coating for coiled materials comprises a bottom coating and a finish coat: the base coat comprises the following components in percentage by weight:
Acrylic emulsion I: 50-60 percent; PVDF fluororesin emulsion: 0 to 15 percent; flexibility modifier: 1 to 5 percent; a crosslinking agent: 1 to 5 percent; 15-25% of an antirust pigment; auxiliary agent: 1 to 3 percent; cosolvent: 1 to 5 percent; deionized water: 10 to 20 percent;
the finish paint comprises: PVDF fluororesin emulsion: 50-60 percent; acrylic emulsion II: 15 to 25 percent; inorganic pigment: 15 to 25 percent; film-forming cosolvent: 5 to 10 percent; the deionized water is: 5 to 20 percent.
Preferably, the PVDF fluororesin emulsion, the acrylic emulsion I, the acrylic emulsion II, the flexibility modifier and the crosslinking agent are adopted, wherein the weight ratio of the PVDF fluororesin emulsion: the solid ratio of the acrylic emulsion II is not lower than 7: 3;
the fluorine content of the PVDF fluororesin emulsion is more than or equal to 59 percent, and the solid content is more than 50 percent;
The acrylic emulsion I is mainly formed by polymerizing acrylic ester monomers, hydroxyl acrylic monomers, styrene monomers and other emulsions, wherein the solid content of the acrylic emulsion I is 40-50%, the glass transition temperature is 45-60 ℃, and the solid hydroxyl content is 0-1.5%;
The acrylic emulsion II is mainly formed by polymerizing acrylic ester monomers, methacrylic acid monomers and other emulsions, the solid content of the acrylic emulsion II is 40-50%, and the glass transition temperature is 60-80 ℃;
the flexibility modifier is mainly one or more of polycarbonate diol, high-flexibility polyester, polyether or nitrile rubber;
the cross-linking agent is one or more of fully methylated melamine resin and closed isocyanate.
the polyether is one of PEG-200 or PGE400, and the nitrile rubber is AIBN nitrile rubber.
preferably, the pigment comprises rutile type titanium dioxide and high-temperature resistant inorganic ceramic pigment; the anti-rust pigment comprises zinc phosphate and one or more of modified zinc phosphate, aluminum tripolyphosphate and calcium ion type silicon dioxide.
The calcium ion type silicon dioxide is GraceAC-5.
preferably, the film-forming cosolvent comprises one or more of propylene glycol methyl ether, ethylene glycol butyl ether, dipropylene glycol methyl ether, dipropylene glycol butyl ether, decaglycol ester and tripropylene glycol ether.
preferably, the auxiliary agent also comprises an anti-settling rheological agent, a defoaming agent, a wetting agent and a thickening rheological agent.
the VOC content of the water-based hot-melt PVDF fluorocarbon coating is less than or equal to 50g/L for the primary coating and less than or equal to 100g/L for the top coating;
the invention also provides a preparation method of the water-based hot-melt PVDF fluorocarbon coating for the coiled material, which comprises the following steps:
(1) Adding deionized water in a cylinder in a metering manner, adding a pH regulator, an anti-settling rheological agent, a defoaming agent, a wetting agent and pigment filler under a stirring state, and uniformly dispersing at a high speed;
(2) Grinding with sand mill to fineness less than 10 μm;
(3) adding PVDF resin emulsion, acrylic emulsion I, acrylic emulsion II, film-forming cosolvent, bactericide, mildew preventive, thickening rheological agent and pH regulator to regulate the pH value to 8.0-8.5;
(4) filtering and packaging to obtain the product.
The invention can also be applied in aluminium alloys or metal coils.
By adopting the technical scheme, the water-based hot-melt PVDF fluorocarbon is used as the primer and the finish of the coating to replace solvent-based and water-soluble coatings, the VOC content of the primer in the water-based PVDF fluorocarbon coating is lower than 50g/L, the VOC content of the finish is lower than 100g/L, and the coating is environment-friendly and safe. In addition, the coating is composed of PVDF fluororesin emulsion or acrylic emulsion and weather-resistant pigment, so that the coating has good chemical resistance and weather resistance.
Detailed Description
The following further describes the embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
example 1
The invention provides a water-based hot-melt PVDF fluorocarbon coating base coat for coiled materials, which comprises the following components:
10g of PVDF fluororesin emulsion, 50g of acrylic emulsion I, 3035g of Cymel3035g, 2g of polycarbonate, 12g of rutile titanium dioxide, 5g of modified aluminum zinc phosphate, 1g of propylene glycol, 1.5g of dipropylene glycol butyl ether, 13g of deionized water, 0.2g of anti-settling rheological agent, 0.3g of defoaming agent, 0.5g of wetting agent, 0.6g of thickening rheological agent, 0.1g of bactericide, 0.1g of mildew preventive and 0.2g of pH regulator;
the preparation method comprises the following steps:
(1) Adding 7g of deionized water into a cylinder, adding 0.1g of PH regulator, 1g of propylene glycol, 0.2g of anti-settling rheological agent, 0.3g of defoaming agent, 0.5g of wetting agent, 12g of rutile titanium dioxide and 5g of modified aluminum zinc phosphate while stirring, and dispersing uniformly at a high speed;
(2) grinding with sand mill to fineness less than 10 μm;
(3) adding 10g of PVDF fluororesin emulsion, 50g of acrylic emulsion I, 1.5g of dipropylene glycol butyl ether, 0.6g of thickening rheological agent, 0.1g of bactericide, 0.1g of mildew preventive, 6g of deionized water and 0.1g of pH regulator, and regulating the pH value to 8.0-8.5;
(4) filtering and packaging to obtain the product.
example 2 composition of water-based hot-melt (PVDF) fluorocarbon coating finish for coiled material
45g of PVDF fluororesin emulsion, 18g of acrylic emulsion II, 1g of polycarbonate, 18g of rutile titanium dioxide, 1g of propylene glycol, 3g of tripropylene glycol ether, 10g of deionized water, 0.2g of anti-settling rheological agent, 0.3g of defoaming agent, 0.5g of wetting agent, 0.6g of thickening rheological agent, 0.1g of bactericide, 0.1g of mildew preventive and 0.2g of pH regulator;
the preparation method of the water-based hot-melt type (PVDF) fluorine coating for the coiled material comprises the following steps:
(1) 6g of deionized water is metered into a cylinder, 0.2g of anti-settling rheological agent, 0.3g of defoaming agent, 0.5g of wetting agent, 0.1g of pH regulator and 18g of rutile titanium dioxide are added under the stirring state, and the mixture is uniformly dispersed at a high speed;
(2) Grinding with sand mill to fineness less than 10 μm;
(3) 4g of deionized water is used for washing the machine, 45g of PVDF fluororesin emulsion, 8g of acrylic emulsion and 3g of tripropylene glycol ether are added, and the dispersion is uniform;
(4) Adding 0.6g of thickening rheological agent, 0.1g of bactericide, 0.1g of mildew preventive and 0.1g of PH regulator, and regulating the PH value to 8.0-8.5;
(5) filtering and packaging to obtain the product.
Example 3 construction process of water-based PVDF fluorocarbon coating for coiled material
Diluting the bottom coating and the finish paint of the water-based hot-melt PVDF fluorocarbon coating prepared in the example 1 to 25-35S/4 cup respectively by using deionized water, rolling the bottom coating on a pretreated coiled material, pre-drying and cooling the coiled material, then rolling the finish paint, and curing at 240 +/-5 ℃ for 1.5min to obtain a total film with the thickness of 20-25 microns.
The results of the performance tests on the paint film coatings obtained according to the products described in examples 1 to 2 and according to the process described in example 3, with reference to GB 18582-2008, are shown in the table:
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and still fall within the scope of the invention.

Claims (7)

1. The water-based hot-melt PVDF fluorocarbon coating for the coiled material comprises a base coat and a finish coat, and is characterized in that: the base coat comprises the following components in percentage by weight:
Acrylic emulsion I: 50-60 percent; PVDF fluororesin emulsion: 0 to 15 percent; flexibility modifier: 1 to 5 percent; a crosslinking agent: 1 to 5 percent; 15-25% of an antirust pigment; auxiliary agent: 1 to 3 percent; cosolvent: 1 to 5 percent; deionized water: 10 to 20 percent;
the finish paint comprises: PVDF fluororesin emulsion: 50-60 percent; acrylic emulsion II: 15 to 25 percent; inorganic pigment: 15 to 25 percent; film-forming cosolvent: 5 to 10 percent; the deionized water is: 5 to 20 percent.
2. the waterborne hot-melt PVDF fluorocarbon coating for coil material as claimed in claim 1, wherein: the emulsion comprises PVDF fluororesin emulsion, acrylic emulsion I, acrylic emulsion II, a flexible modifier and a crosslinking agent, wherein the PVDF fluororesin emulsion comprises the following components in percentage by weight: the solid ratio of the acrylic emulsion II is not lower than 7: 3;
The fluorine content of the PVDF fluororesin emulsion is more than or equal to 59 percent, and the solid content is more than 50 percent;
the acrylic emulsion I is mainly formed by polymerizing acrylic ester monomers, hydroxyl acrylic monomers, styrene monomers and other emulsions, wherein the solid content of the acrylic emulsion I is 40-50%, the glass transition temperature is 45-60 ℃, and the solid hydroxyl content is 0-1.5%;
the acrylic emulsion II is mainly formed by polymerizing acrylic ester monomers, methacrylic acid monomers and other emulsions, the solid content of the acrylic emulsion II is 40-50%, and the glass transition temperature is 60-80 ℃;
the flexibility modifier is mainly one or more of polycarbonate diol, high-flexibility polyester, polyether or nitrile rubber;
The cross-linking agent is one or more of fully methylated melamine resin and closed isocyanate.
3. The waterborne hot melt PVDF fluorocarbon coating for coil materials as claimed in claim 1, wherein the pigments comprise rutile titanium dioxide and high temperature inorganic ceramic pigments; the anti-rust pigment comprises zinc phosphate, modified zinc phosphate, aluminum tripolyphosphate and one or more of calcium ion type silicon dioxide.
4. The waterborne hot-melt PVDF fluorocarbon coating for coils as claimed in claim 1, wherein the film-forming cosolvent contains one or more of propylene glycol methyl ether, ethylene glycol butyl ether, dipropylene glycol methyl ether, dipropylene glycol butyl ether, decaethylene glycol ester, and tripropylene glycol ether.
5. The waterborne hot melt PVDF fluorocarbon coating for coil stock as claimed in claim 1, wherein the auxiliary agent further comprises anti-settling rheological agent, defoaming agent, wetting agent, thickening rheological agent.
6. the method for preparing the water-based hot-melt PVDF fluorocarbon coating for coils as claimed in any one of claims 1 to 5, comprising the following steps:
(1) adding deionized water in a cylinder in a metering manner, adding a pH regulator, an anti-settling rheological agent, a defoaming agent, a wetting agent and pigment filler under a stirring state, and uniformly dispersing at a high speed;
(2) Grinding with sand mill to fineness less than 10 μm;
(3) Adding PVDF resin emulsion, acrylic emulsion I, acrylic emulsion II, film-forming cosolvent, bactericide, mildew preventive, thickening rheological agent and pH regulator to regulate the pH value to 8.0-8.5;
(4) Filtering and packaging to obtain the product.
7. use of the aqueous hot melt PVDF fluorocarbon coating for coils as claimed in any one of claims 1 to 5, including in aluminium alloy or metal coils.
CN201910605194.0A 2019-07-05 2019-07-05 water-based PVDF (polyvinylidene fluoride) fluorocarbon coating for coiled material as well as preparation method and application thereof Pending CN110564234A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111349372A (en) * 2020-04-24 2020-06-30 容七英 Novel water-based fluororesin coating and preparation method thereof
CN111534191A (en) * 2020-04-17 2020-08-14 立邦工业涂料(上海)有限公司 A salt spray-resistant coil primer for household appliances
CN112980257A (en) * 2021-03-24 2021-06-18 珠海市氟特科技有限公司 Water-based normal-temperature self-drying PVDF (polyvinylidene fluoride) coating as well as preparation method and application thereof
CN113136129A (en) * 2021-03-18 2021-07-20 广东至诚紫光新材料有限公司 Water-based high-weather-resistance fluorocarbon coating composition and preparation method thereof
CN115404007A (en) * 2022-06-13 2022-11-29 上海衡峰厚千水性氟碳涂料有限公司 Solid-color waterborne fluorocarbon coating for coiled material and preparation method and application thereof
CN115433492A (en) * 2022-06-13 2022-12-06 上海衡峰厚千水性氟碳涂料有限公司 Water-based fluorocarbon coating for spraying and preparation method and application thereof
CN115612357A (en) * 2022-11-01 2023-01-17 安徽镁美科技有限公司 High-water-resistance water-based fluorocarbon paint for red copper etched pattern surface and preparation method and application thereof
CN117683423A (en) * 2023-11-08 2024-03-12 江苏凯伦建材股份有限公司 Self-cleaning coating for waterproof membrane, waterproof membrane and preparation method thereof
CN118599370A (en) * 2024-06-26 2024-09-06 清远市宝利通化工有限公司 A kind of PVDF fluorocarbon paint based on nanoparticle modification and preparation method thereof

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CN112980257A (en) * 2021-03-24 2021-06-18 珠海市氟特科技有限公司 Water-based normal-temperature self-drying PVDF (polyvinylidene fluoride) coating as well as preparation method and application thereof
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CN118599370A (en) * 2024-06-26 2024-09-06 清远市宝利通化工有限公司 A kind of PVDF fluorocarbon paint based on nanoparticle modification and preparation method thereof

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Application publication date: 20191213