CN105440869A - Water-based pump and valve coating with enhanced rust prevention effect - Google Patents
Water-based pump and valve coating with enhanced rust prevention effect Download PDFInfo
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- CN105440869A CN105440869A CN201510865543.4A CN201510865543A CN105440869A CN 105440869 A CN105440869 A CN 105440869A CN 201510865543 A CN201510865543 A CN 201510865543A CN 105440869 A CN105440869 A CN 105440869A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C09D5/08—Anti-corrosive 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
- C09D7/65—Additives macromolecular
-
- 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
Abstract
The invention discloses a water-based pump and valve coating with an enhanced rust prevention effect. The coating is prepared from raw materials in parts by weight as follows: 65-70 parts of methyl methacrylate, 60-65 parts of styrene, 0.5-0.6 parts of ammonium persulfate, 4-5 parts of a phosphate monomer, 20-24 parts of deionized water, 2-3 parts of SDS (sodium dodecyl sulfate), 35-40 parts of glass flakes, 1-1.2 parts of a silane coupling agent KH560, 30-35 parts of ethanol with the concentration of 75wt%, 40-43 parts of a sodium hydroxide solution with the concentration of 10wt%, 2-3 parts of isopropyl alcohol, 3-4 parts of catechol, 8-10 parts of titanyl sulfate, 10-12 parts of phosphoric acid with the concentration of 20wt%, 15-17 parts of calcium oxide, 5-6 parts of barium sulfate, 6-7 parts of talc powder, 3-4 parts of PVP (polyvinyl pyrolidone), 1-2 parts of emulsified silicone oil and a proper amount of water. The technology is convenient to control industrially, and the prepared water-based coating is safe and non-toxic, has good aging resistance and corrosion resistance and can be used for rust prevention of surfaces of pump and valve materials.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to the pump valve use coating that a kind of rust-proof effect strengthens.
Background technology
The environment of pump valve work is various, badly, very high to the requirement of material, the material of current pump valve has varied, and technology has very much progress, but still have a lot of problem to exist, during in particular for conveying liquid, require very high to the rustless property of pump valve, common paint often can not meet the needs of environment, this carries out modification with regard to needing the coating of many pump valves, thus prepares the pump valve coating be more applicable to.
In order to ensure the anticorrosive quality of coating, traditional anticorrosive coating needed to carry out surface treatment thoroughly by certain means to steel before construction, expense required for conventional surface treatment process probably accounts for the 30%-40% of application total expenses, and the cost of coating itself only accounts for about 19%, and conventional surface treatment process easily produces a large amount of dust pollutions and sound pollution, surface treatment even can not carried out by traditional sandblasting means in more special occasion such as Complicated Steel iron construction dead angle, therefore find and a kind ofly compare environmental protection and the higher process means tool of cost performance is of great significance.Because environment protection is more and more subject to people's attention; and the volatile organic matter (VOC) that traditional solvent-borne coating discharges in manufacture, construction, dry solidification process is the important sources of environmental pollution, each state has all worked out corresponding environmental regulation to limit the discharge of VOC in coating for this reason.Therefore, the powder coating of current environment-friendly type, high solid coating, photocuring, water-borne coatings are research emphasis and the new lover of coating industry, and wherein water-borne coatings becomes with its stronger perviousness and is most suitable for containing the environment-friendly type coating that uses on rust metal base.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, the pump valve use coating providing a kind of rust-proof effect to strengthen.
The present invention is achieved by the following technical solutions:
The pump valve use coating that a kind of rust-proof effect strengthens, be made up of the raw material of following weight part: methyl methacrylate 65-70, vinylbenzene 60-65, ammonium persulphate 0.5-0.6, phosphate ester monomer 4-5, deionized water 20-24, SDS2-3, glass flake 35-40, silane coupling agent KH5601-1.2, concentration is the ethanol 30-35 of 75wt%, concentration is the sodium hydroxide solution 40-43 of 10wt%, Virahol 2-3, pyrocatechol 3-4, titanyl sulfate 8-10, concentration is the phosphatase 11 0-12 of 20wt%, calcium oxide 15-17, barium sulfate 5-6, talcum powder 6-7, PVP3-4, silicone emulsion 1-2, water is appropriate.
The pump valve use coating that described a kind of rust-proof effect strengthens, is prepared from by following concrete steps:
(1) deionized water is mixed with SDS, put into reactor, warming while stirring is to 70-80 DEG C, then the methyl methacrylate of half amount, vinylbenzene and ammonium persulphate is added, constant temperature stirs the methyl methacrylate, vinylbenzene and the phosphate ester monomer that continue to add residual content after 30-40 minute, insulation 2-3 hour, obtains the ACRYLIC EMULSION of phosphate ester-containing;
(2) pulverized by glass flake, cross 100 mesh sieves, being then placed on concentration is soak 30-40 minute in the sodium hydroxide solution of 10wt%, filters, washes with water to neutrality stand-by; The ethanol being 75wt% by silane coupling agent KH560 and concentration is mixed to form solution, glass flake after above-mentioned alkaline purification is placed in one, uniform stirring 30-40 minute, in an oven with the dry 2-2.5 hour of the temperature of 80-90 DEG C after filtration, obtains surface modified glass scale;
(3) calcium oxide is put into reactor, put into the water of equivalent, the phosphoric acid that concentration is 20wt% is slowly added after stirring 15-25 minute with the speed of 300 revs/min, add rear continuation stirring reaction 30-40 minute, continue to add barium sulfate, talcum powder, stir 30-40 minute with the speed of 600 revs/min, obtain emulsion stand-by; Titanyl sulfate is added in the water of equivalent, stir formation solution, then solution is added in above-mentioned emulsion, be heated to 100-110 DEG C, with the speed stirring reaction 15-20 minute of 500 revs/min, be cooled to step-down suction filtration after room temperature, blowing-type loft drier filter cake being placed in 90-100 DEG C carries out drying, then proceeds to 300-350 DEG C of roasting 2-2.5 hour in retort furnace, pulverizes after taking out, cross 200 sieves, obtain modified filler;
(4) will add in the water of 8-10 times amount in PVP, be heated to 45-55 DEG C, be stirred to and disperse completely, then Virahol, pyrocatechol is added, stir the modified filler continuing to add step (3) after 10-15 minute and obtain, stir with the speed of 500 revs/min, until slurry fineness is less than 45 μm, obtain mixed slurry;
(5) mixed slurry that ACRYLIC EMULSION and the step (4) of the phosphate ester-containing finally step (1) obtained obtain mixes, and adds all the other remaining components, stirs and get final product with the speed of 600 revs/min.
Advantage of the present invention is: first the present invention adds appropriate phosphate ester monomer in the layoutprocedure of ACRYLIC EMULSION, not only emulsion intercalation method can be improved, and fine and close phosphatize phosphate coat can be formed with ground, while improving sticking power, improve Corrosion Protection; The present invention adds appropriate Virahol, pyrocatechol as turning rust agent, and good penetrability, can react with the floating rust on pump valve surface; The present invention also with the addition of the glass flake of surface modification in the layoutprocedure of coating, in the coating that can disperse uniformly, substantially prolongs approach and the time of medium osmosis simultaneously, corresponding anti-permeability performance and the corrosion-resistant life that improve coating.The present invention is coordinated with ACRYLIC EMULSION by the function raw material adding multiple-anticorrosion erosion, and the coating made possesses good preservative effect, and cost is low simultaneously, and VOC free discharges, safety and environmental protection.
The present invention makes the calcium phosphate of nanometer titanium dioxide-coated by a series of processing step, as modified filler, not only possesses good dispersiveness in the product, adds the consistency with resin, further increases antirust effect simultaneously; The water-borne coatings technique that the present invention makes is convenient to Industry Control, safety non-toxic, has possessed good ageing resistance and erosion resistance, can be used for pump valve material surface antirust.
Embodiment
The pump valve use coating that rust-proof effect strengthens, is made up of the raw material of following weight part (kilogram): the sodium hydroxide solution 40 that the ethanol 30 that methyl methacrylate 65, vinylbenzene 60, ammonium persulphate 0.5, phosphate ester monomer 4, deionized water 20, SDS2, glass flake 35, silane coupling agent KH5601, concentration are 75wt%, concentration are 10wt%, Virahol 2, pyrocatechol 3, titanyl sulfate 8, concentration are that the phosphatase 11 0 of 20wt%, calcium oxide 15, barium sulfate 5, talcum powder 6, PVP3, silicone emulsion 1, water are appropriate.
The pump valve use coating that described a kind of rust-proof effect strengthens, is prepared from by following concrete steps:
(1) deionized water is mixed with SDS, put into reactor, warming while stirring to 80 DEG C, then the methyl methacrylate of half amount, vinylbenzene and ammonium persulphate is added, constant temperature continues to add the methyl methacrylate of residual content, vinylbenzene and phosphate ester monomer after stirring 30 minutes, be incubated 2 hours, obtain the ACRYLIC EMULSION of phosphate ester-containing;
(2) pulverized by glass flake, cross 100 mesh sieves, being then placed on concentration is soak 30 minutes in the sodium hydroxide solution of 10wt%, filters, washes with water to neutrality stand-by; The ethanol being 75wt% by silane coupling agent KH560 and concentration is mixed to form solution, is placed in one by the glass flake after above-mentioned alkaline purification, uniform stirring 30 minutes, in an oven with the temperature of 90 DEG C drying 2 hours after filtration, obtains surface modified glass scale;
(3) calcium oxide is put into reactor, put into the water of equivalent, the phosphoric acid that concentration is 20wt% is slowly added after stirring 15 minutes with the speed of 300 revs/min, add rear continuation stirring reaction 30 minutes, continue to add barium sulfate, talcum powder, stir 30 minutes with the speed of 600 revs/min, obtain emulsion stand-by; Titanyl sulfate is added in the water of equivalent, stir formation solution, then solution is added in above-mentioned emulsion, be heated to 100 DEG C, with the speed stirring reaction 15 minutes of 500 revs/min, be cooled to step-down suction filtration after room temperature, blowing-type loft drier filter cake being placed in 100 DEG C carries out drying, then proceeds to 300 DEG C of roastings 2 hours in retort furnace, pulverizes after taking out, cross 200 sieves, obtain modified filler;
(4) will add in the water of 8 times amount in PVP, be heated to 45 DEG C, be stirred to and disperse completely, then Virahol, pyrocatechol is added, stir the modified filler continuing to add step (3) after 10 minutes and obtain, stir with the speed of 500 revs/min, until slurry fineness is less than 45 μm, obtain mixed slurry;
(5) mixed slurry that ACRYLIC EMULSION and the step (4) of the phosphate ester-containing finally step (1) obtained obtain mixes, and adds all the other remaining components, stirs and get final product with the speed of 600 revs/min.
Coating of the present invention can reach even stability in storage more than 18 months, and resistance to salt water 17 days is non-foaming, and salt fog resistance 10 days is non-foaming, and water tolerance 16 days is non-foaming, and sticking power reaches 1 grade, and in 30 minutes, rust transformation degree reaches 98%.
Claims (2)
1. the pump valve use coating of a rust-proof effect enhancing, it is characterized in that, be made up of the raw material of following weight part: methyl methacrylate 65-70, vinylbenzene 60-65, ammonium persulphate 0.5-0.6, phosphate ester monomer 4-5, deionized water 20-24, SDS2-3, glass flake 35-40, silane coupling agent KH5601-1.2, concentration is the ethanol 30-35 of 75wt%, concentration is the sodium hydroxide solution 40-43 of 10wt%, Virahol 2-3, pyrocatechol 3-4, titanyl sulfate 8-10, concentration is the phosphatase 11 0-12 of 20wt%, calcium oxide 15-17, barium sulfate 5-6, talcum powder 6-7, PVP3-4, silicone emulsion 1-2, water is appropriate.
2. the pump valve use coating of a kind of rust-proof effect enhancing according to claim 1, is characterized in that, be prepared from by following concrete steps:
(1) deionized water is mixed with SDS, put into reactor, warming while stirring is to 70-80 DEG C, then the methyl methacrylate of half amount, vinylbenzene and ammonium persulphate is added, constant temperature stirs the methyl methacrylate, vinylbenzene and the phosphate ester monomer that continue to add residual content after 30-40 minute, insulation 2-3 hour, obtains the ACRYLIC EMULSION of phosphate ester-containing;
(2) pulverized by glass flake, cross 100 mesh sieves, being then placed on concentration is soak 30-40 minute in the sodium hydroxide solution of 10wt%, filters, washes with water to neutrality stand-by; The ethanol being 75wt% by silane coupling agent KH560 and concentration is mixed to form solution, glass flake after above-mentioned alkaline purification is placed in one, uniform stirring 30-40 minute, in an oven with the dry 2-2.5 hour of the temperature of 80-90 DEG C after filtration, obtains surface modified glass scale;
(3) calcium oxide is put into reactor, put into the water of equivalent, the phosphoric acid that concentration is 20wt% is slowly added after stirring 15-25 minute with the speed of 300 revs/min, add rear continuation stirring reaction 30-40 minute, continue to add barium sulfate, talcum powder, stir 30-40 minute with the speed of 600 revs/min, obtain emulsion stand-by; Titanyl sulfate is added in the water of equivalent, stir formation solution, then solution is added in above-mentioned emulsion, be heated to 100-110 DEG C, with the speed stirring reaction 15-20 minute of 500 revs/min, be cooled to step-down suction filtration after room temperature, blowing-type loft drier filter cake being placed in 90-100 DEG C carries out drying, then proceeds to 300-350 DEG C of roasting 2-2.5 hour in retort furnace, pulverizes after taking out, cross 200 sieves, obtain modified filler;
(4) will add in the water of 8-10 times amount in PVP, be heated to 45-55 DEG C, be stirred to and disperse completely, then Virahol, pyrocatechol is added, stir the modified filler continuing to add step (3) after 10-15 minute and obtain, stir with the speed of 500 revs/min, until slurry fineness is less than 45 μm, obtain mixed slurry;
(5) mixed slurry that ACRYLIC EMULSION and the step (4) of the phosphate ester-containing finally step (1) obtained obtain mixes, and adds all the other remaining components, stirs and get final product with the speed of 600 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865543.4A CN105440869A (en) | 2015-12-02 | 2015-12-02 | Water-based pump and valve coating with enhanced rust prevention effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865543.4A CN105440869A (en) | 2015-12-02 | 2015-12-02 | Water-based pump and valve coating with enhanced rust prevention effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105440869A true CN105440869A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510865543.4A Withdrawn CN105440869A (en) | 2015-12-02 | 2015-12-02 | Water-based pump and valve coating with enhanced rust prevention effect |
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| Country | Link |
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| CN (1) | CN105440869A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638541A (en) * | 2008-07-31 | 2010-02-03 | 上海奇想青晨化工科技股份有限公司 | Waterborne rusted paint and preparation method thereof |
| CN102079937A (en) * | 2010-12-21 | 2011-06-01 | 上海海隆赛能新材料有限公司 | Ultraviolet curing anti-drag paint in steel pipes |
| CN102260450A (en) * | 2011-02-17 | 2011-11-30 | 湖南晟通科技集团有限公司 | Anticorrosive paint |
| CN104017452A (en) * | 2014-06-19 | 2014-09-03 | 舟山市恒泰漆业有限责任公司 | Preparation method of isocyanate curing agent-modified water-based acrylate composite metal anticorrosive paint |
-
2015
- 2015-12-02 CN CN201510865543.4A patent/CN105440869A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638541A (en) * | 2008-07-31 | 2010-02-03 | 上海奇想青晨化工科技股份有限公司 | Waterborne rusted paint and preparation method thereof |
| CN102079937A (en) * | 2010-12-21 | 2011-06-01 | 上海海隆赛能新材料有限公司 | Ultraviolet curing anti-drag paint in steel pipes |
| CN102260450A (en) * | 2011-02-17 | 2011-11-30 | 湖南晟通科技集团有限公司 | Anticorrosive paint |
| CN104017452A (en) * | 2014-06-19 | 2014-09-03 | 舟山市恒泰漆业有限责任公司 | Preparation method of isocyanate curing agent-modified water-based acrylate composite metal anticorrosive paint |
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Application publication date: 20160330 |