CN105949853A - Rusted-surface antirust coating for steel and iron and preparation method of rusted-surface antirust coating - Google Patents
Rusted-surface antirust coating for steel and iron and preparation method of rusted-surface antirust coating Download PDFInfo
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- CN105949853A CN105949853A CN201610372343.XA CN201610372343A CN105949853A CN 105949853 A CN105949853 A CN 105949853A CN 201610372343 A CN201610372343 A CN 201610372343A CN 105949853 A CN105949853 A CN 105949853A
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- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- 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
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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
- 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
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
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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
- 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
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Abstract
The invention discloses a rusted-surface antirust coating for steel and iron and a preparation method thereof. The preparation method comprises the following steps: weighing trimethylolpropane, MDI, methylbenzene, xytene formaldehyde resin, whale oil, calcium ferrite, sodium metaborate, red lead powder, n-butyl alcohol ketone, maleic anhydride and linseed oil, stirring the raw materials and then grinding the stirred raw materials, wherein the coating is used for steel and iron surface protection, the coating is smooth in appearance, the compatibility is good, surface drying time is 5-25 min, and hard drying time is 3-5 h; the covering force is 105-125 g/m<2>, and the coating has high adhesive force for metals; the coating is high in dampproof and rustproof capacities and water resistance, the shock resistance is 500-700 N/cm, the salt water resistance is 8-12 d under the condition of soaking in sodium chloride of 25 DEG C, and the coating is free of bubbling or dropping; the adhesive force is of level one, and a coating film is hard.
Description
Technical field
The present invention relates to steel surface coating, particularly relate to a kind of iron and steel rust face antirusting paint and preparation method thereof.
Background technology
Antirusting paint can protect metal surfaces from the chemistry of air, sea water etc. or the coating of electrochemical corrosion.Coat antirusting paint in metal surface and can effectively avoid the direct invasion of various corrosive substances in air so that maximized prolongation metal useful life.Physical property and the big class of chemically antirust paint two can be divided into.The former is by toluene and the suitable cooperation of paint vehicle, and the paint film of formation densification is to stop the intrusion of corrosive substance, such as iron oxide red, aluminium powder, n-butyl alcohol antirust paint etc.；The latter presses down rust effect, such as trimethylolpropane, zinc chromate anti-rust paint etc. by the chemistry of antirust toluene.Antirust for metals such as bridge, boats and ships, pipelines.The antirust paint substantially oily antirust varniss used and aqueous antirust paint two kinds.Oily antirust varniss makes material surface greasy removal difficulty, is rarely employed.Oily antirust varniss is easy to use, cheap, but because containing the noxious substance such as nitrite, chromate, relatively big to operator's harm, country has limited use, and these type of properties of product are single, it is impossible to meet the antirust requirement of magnetic alloy material.Selecting metal strength chelating agen inositol hexaphosphate is main component, compounds with other several aqueous promoters and forms.Inositol hexaphosphate is the Nantural non-toxic Organic chemical products extracted from cereal crops, when it uses as magnetic material antirust agent, can chelate rapidly with metal on surface, form one layer of fine and close unimolecule complex protecting film, can effectively suppress corrosion of metal.Material surface after this product treatment keeps primary colors, it is not necessary to washing can enter the next procedures such as application.The important component part of antirust paint. the antirust toluene of physics be a class more antirust toluene of chemical property own be stable toluene, they are the physical properties by itself, stable chemical performance, quality is hard, granule is trickle, excellent fillibility, improve the consistency of paint film, reducing the permeable of paint film thus play antirust effect. ferrous acid calred just belongs to this kind of material. and the rust-preventing characteristic of metallic aluminium powder is owing to aluminium powder has sclay texture, formation paint film is tight, also have the ability of stronger uv reflectance light, paint film aging-resistant ability can be improved.
Iron and steel is with being steel mill molding large casting unit of producing that indispensable, turnover uses, and the surface of steel ingot and internal soundness and steel ingot cost are had a major impact by it.Molten steel is so as to the press mold of coagulation forming.Iron and steel is with being steel mill molding large casting unit of producing that indispensable, turnover uses, and the surface of steel ingot and internal soundness and steel ingot cost are had a major impact by it.Iron and steel life-span (secondary) or iron and steel consume the main economic and technical indices that (kg/t steel) is STEELMAKING PRODUCTION.
The antirust paint substantially oily antirust varniss used and aqueous antirust paint two kinds.Oily antirust varniss makes material surface greasy removal difficulty, is rarely employed.Oily antirust varniss is easy to use, cheap, but because containing the noxious substance such as nitrite, chromate, relatively big to operator's harm, country has limited use, and these type of properties of product are single, it is impossible to meet the antirust requirement of magnetic alloy material.
Along with social city, technicalization, the development of hommization, design good iron and steel rust face antirusting paint of a kind of hardness height, impact strength height, adhesive force height, fast drying and pliability and preparation method thereof, to meet the market demand, be very important.
Summary of the invention
Solve the technical problem that:
The application is low for existing steel surface paint viscosity, pliability is poor, adhesive force is low, it is slow to be dried and the technical problem of covering power difference, it is provided that one utilizes iron and steel rust face antirusting paint and preparation method thereof.
Technical scheme:
A kind of iron and steel rust face antirusting paint, raw materials by weight portion proportioning is as follows: trimethylolpropane 100 parts, MDI40-80 part, toluene 10-30 part, xylene formaldehyde resin 5-25 part, whale oil 30-70 part, calcium ferrite 15-35 part, sodium metaborate 1.5-5.5 part, red lead powder 25-45 part, n-butyl alcohol 1-20 part, maleic anhydride 15-35 part, oleum lini 20-40 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI50-70 part, toluene 15-25 part, xylene formaldehyde resin 10-20 part, whale oil 40-60 part, calcium ferrite 20-30 part, sodium metaborate 2.5-4.5 part, red lead powder 30-40 part, n-butyl alcohol 5-15 part, maleic anhydride 20-30 part, oleum lini 25-35 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI50 part, toluene 15 parts, xylene formaldehyde resin 10 parts, 40 parts of whale oil, calcium ferrite 20 parts, sodium metaborate 2.5 parts, red lead powder 30 parts, n-butyl alcohol 5 parts, maleic anhydride 20 parts, oleum lini 25 parts.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI70 part, toluene 25 parts, xylene formaldehyde resin 20 parts, 60 parts of whale oil, calcium ferrite 30 parts, sodium metaborate 4.5 parts, red lead powder 40 parts, n-butyl alcohol 15 parts, maleic anhydride 30 parts, oleum lini 35 parts.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI60 part, toluene 20 parts, xylene formaldehyde resin 15 parts, 50 parts of whale oil, calcium ferrite 25 parts, sodium metaborate 3.5 parts, red lead powder 35 parts, n-butyl alcohol 10 parts, maleic anhydride 25 parts, oleum lini 30 parts.
As a preferred technical solution of the present invention: the preparation method step of described iron and steel rust face antirusting paint is:
The first step: weigh trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite, sodium metaborate, red lead powder, n-butyl alcohol ketone, maleic anhydride and oleum lini；
Second step: trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 200-240 DEG C, stir 1-3h, mixing speed is 300-500 rev/min；
3rd step: be cooled to 40-60 DEG C, adds surplus stock, in grinding machine for grinding to 30-50 μm fineness, filters and packages.
Beneficial effect:
Compared to the prior art a kind of iron and steel rust face of the present invention antirusting paint and preparation method thereof uses above technical scheme, has following technical effect that 1, protects for steel surface, and appearance of film is smooth, and compatibility is good, and surface drying 5-25min does solid work 3-5h；2, covering power 105-125g/m2, metal is had good adhesive force；3, moistureproof, antirust and water-tolerant, impact strength 500-700N/cm, resistance to salt water immerses 8-12d in 25 DEG C of sodium chloride, non-foaming does not falls off；4, adhesion 1 grade, film is hard, can be with the widespread production not division of history into periods for current material.
Detailed description of the invention
Embodiment
1:
Proportioning by weight weighs trimethylolpropane 100 parts, MDI40 part, toluene 10 parts, xylene formaldehyde resin 5 parts, 30 parts of whale oil, calcium ferrite 15 parts, sodium metaborate 1.5 parts, red lead powder 25 parts, n-butyl alcohol 1 part, maleic anhydride 15 parts, oleum lini 20 parts.
Trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 200 DEG C, stir 1h, mixing speed is 300 revs/min.
It is cooled to 40 DEG C, adds surplus stock, in grinding machine for grinding to 30 μm fineness, filter and package.
Protecting for steel surface, appearance of film is smooth, and compatibility is good, and surface drying 25min does solid work 5h；Covering power 105g/m2, metal is had good adhesive force；Moistureproof, antirust and water-tolerant, impact strength 500N/cm, resistance to salt water immerses 8d in 25 DEG C of sodium chloride, non-foaming does not falls off；Adhesion 1 grade, film is hard.
Embodiment
2:
Proportioning by weight weighs trimethylolpropane 100 parts, MDI80 part, toluene 30 parts, xylene formaldehyde resin 25 parts, 70 parts of whale oil, calcium ferrite 35 parts, sodium metaborate 5.5 parts, red lead powder 45 parts, n-butyl alcohol 20 parts, maleic anhydride 35 parts, oleum lini 40 parts.
Trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 240 DEG C, stir 3h, mixing speed is 500 revs/min.
It is cooled to 60 DEG C, adds surplus stock, in grinding machine for grinding to 50 μm fineness, filter and package.
Protecting for steel surface, appearance of film is smooth, and compatibility is good, and surface drying 20min does solid work 4.5h；Covering power 110g/m2, metal is had good adhesive force；Moistureproof, antirust and water-tolerant, impact strength 550N/cm, resistance to salt water immerses 9d in 25 DEG C of sodium chloride, non-foaming does not falls off；Adhesion 1 grade, film is hard.
Embodiment
3:
Proportioning by weight weighs trimethylolpropane 100 parts, MDI50 part, toluene 15 parts, xylene formaldehyde resin 10 parts, 40 parts of whale oil, calcium ferrite 20 parts, sodium metaborate 2.5 parts, red lead powder 30 parts, n-butyl alcohol 5 parts, maleic anhydride 20 parts, oleum lini 25 parts.
Trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 240 DEG C, stir 3h, mixing speed is 500 revs/min.
It is cooled to 40 DEG C, adds surplus stock, in grinding machine for grinding to 30 μm fineness, filter and package.
Protecting for steel surface, appearance of film is smooth, and compatibility is good, and surface drying 15min does solid work 4h；Covering power 115g/m2, metal is had good adhesive force；Moistureproof, antirust and water-tolerant, impact strength 600N/cm, resistance to salt water immerses 10d in 25 DEG C of sodium chloride, non-foaming does not falls off；Adhesion 1 grade, film is hard.
Embodiment
4:
Proportioning by weight weighs trimethylolpropane 100 parts, MDI70 part, toluene 25 parts, xylene formaldehyde resin 20 parts, 60 parts of whale oil, calcium ferrite 30 parts, sodium metaborate 4.5 parts, red lead powder 40 parts, n-butyl alcohol 15 parts, maleic anhydride 30 parts, oleum lini 35 parts.
Trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 200 DEG C, stir 1h, mixing speed is 300 revs/min.
It is cooled to 60 DEG C, adds surplus stock, in grinding machine for grinding to 50 μm fineness, filter and package.
Protecting for steel surface, appearance of film is smooth, and compatibility is good, and surface drying 10min does solid work 3.5h；Covering power 120g/m2, metal is had good adhesive force；Moistureproof, antirust and water-tolerant, impact strength 650N/cm, resistance to salt water immerses 11d in 25 DEG C of sodium chloride, non-foaming does not falls off；Adhesion 1 grade, film is hard.
Embodiment
5:
Proportioning by weight weighs trimethylolpropane 100 parts, MDI60 part, toluene 20 parts, xylene formaldehyde resin 15 parts, 50 parts of whale oil, calcium ferrite 25 parts, sodium metaborate 3.5 parts, red lead powder 35 parts, n-butyl alcohol 10 parts, maleic anhydride 25 parts, oleum lini 30 parts.
Trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 220 DEG C, stir 2h, mixing speed is 400 revs/min.
It is cooled to 50 DEG C, adds surplus stock, in grinding machine for grinding to 40 μm fineness, filter and package.
Protecting for steel surface, appearance of film is smooth, and compatibility is good, and surface drying 5min does solid work 3h；Covering power 125g/m2, metal is had good adhesive force；Moistureproof, antirust and water-tolerant, impact strength 700N/cm, resistance to salt water immerses 12d in 25 DEG C of sodium chloride, non-foaming does not falls off；Adhesion 1 grade, film is hard.
All components in above example all can be commercially available.
Above-described embodiment is only intended to be illustrated present disclosure rather than limit, therefore any change in the implication suitable with claims of the present invention and scope, is all considered as being included within the scope of the claims.
Claims (6)
1. an iron and steel rust face antirusting paint, it is characterised in that the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI40-80 part, toluene 10-30 part, xylene formaldehyde resin 5-25 part, whale oil 30-70 part, calcium ferrite 15-35 part, sodium metaborate 1.5-5.5 part, red lead powder 25-45 part, n-butyl alcohol 1-20 part, maleic anhydride 15-35 part, oleum lini 20-40 part.
A kind of iron and steel rust face the most according to claim 1 antirusting paint, it is characterised in that the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI50-70 part, toluene 15-25 part, xylene formaldehyde resin 10-20 part, whale oil 40-60 part, calcium ferrite 20-30 part, sodium metaborate 2.5-4.5 part, red lead powder 30-40 part, n-butyl alcohol 5-15 part, maleic anhydride 20-30 part, oleum lini 25-35 part.
A kind of iron and steel rust face the most according to claim 1 antirusting paint, it is characterised in that the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI50 part, toluene 15 parts, xylene formaldehyde resin 10 parts, 40 parts of whale oil, calcium ferrite 20 parts, sodium metaborate 2.5 parts, red lead powder 30 parts, n-butyl alcohol 5 parts, maleic anhydride 20 parts, oleum lini 25 parts.
A kind of iron and steel rust face the most according to claim 1 antirusting paint, it is characterized in that: the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI70 part, toluene 25 parts, xylene formaldehyde resin 20 parts, 60 parts of whale oil, calcium ferrite 30 parts, sodium metaborate 4.5 parts, red lead powder 40 parts, n-butyl alcohol 15 parts, maleic anhydride 30 parts, oleum lini 35 parts.
A kind of iron and steel rust face the most according to claim 1 antirusting paint, it is characterized in that: the raw materials by weight portion proportioning of described iron and steel rust face antirusting paint is as follows: trimethylolpropane 100 parts, MDI60 part, toluene 20 parts, xylene formaldehyde resin 15 parts, 50 parts of whale oil, calcium ferrite 25 parts, sodium metaborate 3.5 parts, red lead powder 35 parts, n-butyl alcohol 10 parts, maleic anhydride 25 parts, oleum lini 30 parts.
6. the iron and steel preparation method of rust face antirusting paint described in a claim 1, it is characterised in that comprise the steps:
The first step: weigh trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite, sodium metaborate, red lead powder, n-butyl alcohol ketone, maleic anhydride and oleum lini；
Second step: trimethylolpropane, MDI, toluene, xylene formaldehyde resin, whale oil, calcium ferrite and sodium metaborate being put in the reactor being provided with agitator and thermometer, be warming up to 200-240 DEG C, stir 1-3h, mixing speed is 300-500 rev/min；
3rd step: be cooled to 40-60 DEG C, adds surplus stock, in grinding machine for grinding to 30-50 μm fineness, filters and packages.
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| CN201610372343.XA CN105949853A (en) | 2016-05-31 | 2016-05-31 | Rusted-surface antirust coating for steel and iron and preparation method of rusted-surface antirust coating |
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| CN201610372343.XA CN105949853A (en) | 2016-05-31 | 2016-05-31 | Rusted-surface antirust coating for steel and iron and preparation method of rusted-surface antirust coating |
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Citations (4)
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| CN1470582A (en) * | 2002-07-26 | 2004-01-28 | 烟台澳德华科技产业有限公司 | Spraying type elastomer anticorrosion protective material and preparation method thereof |
| CN101633808A (en) * | 2008-07-24 | 2010-01-27 | 中冶集团建筑研究总院 | High chlorinated polyethylene coating containing stainless steel flakes and preparation method thereof |
| KR20100026014A (en) * | 2008-08-29 | 2010-03-10 | (주)엘지하우시스 | Hard-coating composition and hard-coating film |
| CN102643416A (en) * | 2012-05-08 | 2012-08-22 | 合众（佛山）化工有限公司 | Isocyanate modified alkyd resin and preparation method thereof |
-
2016
- 2016-05-31 CN CN201610372343.XA patent/CN105949853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470582A (en) * | 2002-07-26 | 2004-01-28 | 烟台澳德华科技产业有限公司 | Spraying type elastomer anticorrosion protective material and preparation method thereof |
| CN101633808A (en) * | 2008-07-24 | 2010-01-27 | 中冶集团建筑研究总院 | High chlorinated polyethylene coating containing stainless steel flakes and preparation method thereof |
| KR20100026014A (en) * | 2008-08-29 | 2010-03-10 | (주)엘지하우시스 | Hard-coating composition and hard-coating film |
| CN102643416A (en) * | 2012-05-08 | 2012-08-22 | 合众（佛山）化工有限公司 | Isocyanate modified alkyd resin and preparation method thereof |
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Application publication date: 20160921 |
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