CN103865348A - Water-based silicone-acrylic mica iron oxide anti-corrosion coating - Google Patents
Water-based silicone-acrylic mica iron oxide anti-corrosion coating Download PDFInfo
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- CN103865348A CN103865348A CN201410089460.6A CN201410089460A CN103865348A CN 103865348 A CN103865348 A CN 103865348A CN 201410089460 A CN201410089460 A CN 201410089460A CN 103865348 A CN103865348 A CN 103865348A
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Abstract
The invention discloses a water-based silicone-acrylic mica iron oxide anti-corrosion coating. The anti-corrosion coating is prepared from the following raw materials in parts by weight: 30-50 parts of silicone-acrylic base material, 20-41 parts of pigment, 1-10 parts of auxiliary pigment, 4-15 parts of filler, 5-20 parts of water and 1-20 parts of assistant, wherein the pigment is micaceous iron oxide gray; the auxiliary pigment is at least one of rutile titanium dioxide, nano-titanium dioxide, phthalocyanine pigment, compound pigment and iron oxide pigment; the weight ratio of the auxiliary pigment to the pigment is (1-10):(20-41); the silicone-acrylic base material is water-based silicone-acrylic emulsion, a mixture of water-based silicone-acrylic emulsion and water-based pure silicone-acrylic emulsion or a mixture of water-based silicone-acrylic emulsion and water-based styrene-acrylic emulsion. By adopting the coating, not only is the water, acid and saline resistance increased, but also the corrosion resistance is excellent.
Description
Technical field
The present invention relates to the middle coating that the zinc-rich anti-corrosive paints such as the rich zinc base paint of a kind of aqueous inorganic or water-thinned epoxy zinc-rich base paint are used, be specifically related to a kind of water-based silicon the third cloud iron protective system, be applicable to improve water-fast, the acidproof and salt water resistance performance of coating.
Background technology
The corrosion of steel construction spreads all over national economy every field, has brought huge loss to national economy.At the surface-coated erosion shield of steel construction, be one of effective, the most the most frequently used method of steel structure anti-corrosion to completely cut off corrosive medium and steel construction matrix.The zinc-rich anti-corrosive paints such as aqueous inorganic zinc-enriched coating or water-thinned epoxy zinc-rich coating are for anticorrosion of steel structure, favorable anti-corrosion effect; But the coatingsurface of zinc-rich paint has many trickle pores, along with the growth of duration of service, oxygen, the obnoxious flavour of the corrosion steel construction base materials such as water vapor can be diffused into substrate surface by the pore of coatingsurface, and then causes the corrosion of steel construction.In order to ensure preservative effect and applicable environmental protection demand for development, coating in can using the water-based that sealing effect is good on the zinc-rich anti-corrosive paints such as aqueous inorganic zinc-enriched coating or water-thinned epoxy zinc-rich coating, thereby effectively stop up capillary, stop oxygen, the intrusion of the obnoxious flavour of the corrosion such as water vapor steel construction base material.
Chinese patent: patent publication No. is CN103450719A; the patent of invention that open day is on December 18th, 2013 discloses a kind of long-acting aqueous, environmental protective steel construction protection coating; the middle coating of this coating is water-based silicon-acrylic coatings, and its raw material composition comprises silicon propyl group material, pigment, filler, auxiliary agent and water.Although this coating has higher closure, antiseptic property is good, and this coating selection water-base resin is as base-material, and therefore the resistance to liquid of coating energy (comprising water tolerance, acid resistance and resistance to salt water) is poor.
Summary of the invention
The object of the invention is to overcome the poor problem of middle coating resistance to liquid energy existing in prior art, provide a kind of resistance to liquid energy good water-based silicon the third cloud iron protective system.
For realizing above object, the invention provides following technical scheme:
A kind of water-based silicon the third cloud iron protective system, raw material composition and the weight part ratio thereof of this protective system are: silicon propyl group material 30 ?50, pigment 20 ?41, filler 4 ?15, water 5 ?20, auxiliary agent 1 ?20, wherein, described pigment is micaceous iron oxide gray.
The raw material composition of described protective system also comprises auxiliary pigment, this auxiliary pigment is at least one in Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, iron oxide pigment, and the weight ratio of auxiliary pigment and pigment be 1 ?10: 20 ?41.
The mixture that described silicon propyl group material is water-based organosilicon crylic acid latex, water-based organosilicon crylic acid latex and water-based pure-acrylic emulsion or the mixture of water-based organosilicon crylic acid latex and water-based benzene emulsion.
Described filler is at least one in silicon-dioxide, kaolin, barium sulfate, mica powder, diatomite, talcum powder.
Described auxiliary agent is at least one in rust oxidation, sterilant, pH value conditioning agent, dispersion agent, defoamer, wetting agent, frostproofer, film coalescence aid, auxiliary rheological agents.
Described rust oxidation is organic zinc complex;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value conditioning agent is 2-amino-2-methyl-1-propanol or ammoniacal liquor;
Described dispersion agent is polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described defoamer is modified polyorganosiloxane or water drain silica;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid or nonionic polyurethane polymkeric substance.
Compared with prior art, beneficial effect of the present invention is:
1, the pigment of selecting in a kind of water-based silicon the third cloud iron protective system of the present invention is micaceous iron oxide gray, on the one hand, micaceous iron oxide gray has lamellar structure, it is the overlapping arrangement of energy oriented parallel in coating, tower connecting structure as formation fish scale, make the diffusion admittance of moisture and corrosive medium extend to stop or delay it to steel construction internal penetration, on the other hand, the major ingredient of micaceous iron oxide gray is ferric oxide, the chemical stability of this material is good, can effectively improve the resistance to liquid energy of coating, by the optimization to each component proportioning in coating, significantly promote the water-fast of coating, acidproof and salt water resistance performance.Therefore, the present invention not only antiseptic property is good, and has improved water-fast, the acidproof and salt water resistance performance of coating.
2, the moiety of a kind of water-based silicon the third cloud iron protective system of the present invention also comprises auxiliary pigment, and the weight ratio of auxiliary pigment and micaceous iron oxide gray be 1 ?10: 20 ?41, under this proportional range, the silicon propyl group material of small particle size, the micaceous iron oxide gray of sheet structure, auxiliary pigment intert mutually, infiltration, water in can more efficiently entry deterrence coating contacts with steel construction base material with corrosive mediums such as oxygen, sealing effect is obvious, and antiseptic property is good.Therefore, the present invention has further improved the antiseptic property of coating.
Embodiment
Further illustrate essentiality content of the present invention below in conjunction with embodiment.
A kind of water-based silicon the third cloud iron protective system, raw material composition and the weight part ratio thereof of this protective system are: silicon propyl group material 30 ?50, pigment 20 ?41, filler 4 ?15, water 5 ?20, auxiliary agent 1 ?20, wherein, described pigment is micaceous iron oxide gray.
The raw material composition of described protective system also comprises auxiliary pigment, this auxiliary pigment is at least one in Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, iron oxide pigment, and the weight ratio of auxiliary pigment and pigment be 1 ?10: 20 ?41.
The mixture that described silicon propyl group material is water-based organosilicon crylic acid latex, water-based organosilicon crylic acid latex and water-based pure-acrylic emulsion or the mixture of water-based organosilicon crylic acid latex and water-based benzene emulsion.
Described filler is at least one in silicon-dioxide, kaolin, barium sulfate, mica powder, diatomite, talcum powder.
Described auxiliary agent is at least one in rust oxidation, sterilant, pH value conditioning agent, dispersion agent, defoamer, wetting agent, frostproofer, film coalescence aid, auxiliary rheological agents.
Described rust oxidation is organic zinc complex;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value conditioning agent is 2-amino-2-methyl-1-propanol or ammoniacal liquor;
Described dispersion agent is polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described defoamer is modified polyorganosiloxane or water drain silica;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid or nonionic polyurethane polymkeric substance.
Principle of the present invention is described as follows:
Coating of the present invention is by being optimized its moiety and ratio, and water-based silicon the third cloud iron protective system that makes preparation not only water-fast, acidproof and salt water resistance performance all significantly improves, and antiseptic property is more excellent.
Coating selection of the present invention silicon propyl group material, micaceous iron oxide gray and auxiliary pigment are as starting material, and silicon propyl group material is water-based organosilicon crylic acid latex, the mixture of the mixture of water-based organosilicon crylic acid latex and water-based pure-acrylic emulsion or water-based organosilicon crylic acid latex and water-based benzene emulsion, auxiliary pigment is Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, at least one in iron oxide pigment, the particle diameter of organosilicon crylic acid latex is little, can be penetrated into better in the pore of undercoat, be combined with micaceous iron oxide gray and other auxiliary color stuffings, can contact with steel construction base material with corrosive medium by more efficiently prevention moisture, give full play to closed performance, and then the shielding properties of raising coating.
The present invention has adopted the nontoxic starting material such as micaceous iron oxide gray, zero VOC(volatile organic compounds) discharge, environmental protection, and this coating can directly act on the rich zinc steel structure anti-corrosion paint such as the rich zinc base paint of aqueous inorganic or the rich zinc base paint of water-based ring, is conducive to construction.
Embodiment 1:
A kind of water-based silicon the third cloud iron protective system, raw material composition and the weight part ratio thereof of this coating are: silicon propyl group material 50, micaceous iron oxide gray 20, auxiliary pigment 5, filler 10, auxiliary agent 5, water 10; Wherein, the one in mixture, the water-based organosilicon crylic acid latex of mixture, water-based organosilicon crylic acid latex and water-based benzene emulsion that described silicon propyl group material is water-based organosilicon crylic acid latex and water-based pure-acrylic emulsion, described auxiliary pigment is Rutile type Titanium Dioxide; The moiety of described filler and weight part ratio thereof are: silicon-dioxide 2, barium sulfate 5, talcum powder 3; The moiety of described auxiliary agent and weight part ratio thereof are: rust oxidation 0.2, dispersion agent 0.4, frostproofer 1, film coalescence aid 1, wetting agent 0.3, sterilant 0.4, pH value conditioning agent 0.3, auxiliary rheological agents 0.9, defoamer 0.5; Described rust oxidation is organic zinc complex, described dispersion agent is polycarboxylate sodium, described frostproofer is ethylene glycol, described film coalescence aid is lauryl alcohol ester, described wetting agent is polysiloxane surfactant, and described sterilant is the mixture of 5-nitrogen-MIT and MIT, and described pH value conditioning agent is 2-amino-2-methyl-1-propanol, described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid, and described defoamer is modified polyorganosiloxane;
When preparation, carry out successively following steps:
A: first add water in reactor, stir and form eddy current state, then add successively rust oxidation, sterilant, pH value conditioning agent, dispersion agent, defoamer, wetting agent, frostproofer and film coalescence aid under this state, be uniformly dispersed;
B: add successively part pigment, part auxiliary pigment, filler and silicon propyl group material under eddy current state, and keep 20～40min left and right after all components is uniformly dispersed;
C: rotating speed is reduced to approximately 250～350rpm, then adds successively auxiliary rheological agents, remaining pigment and auxiliary pigment, keep stirring 30～50min, then with 60～100 mesh filter screens filtrations, pack, obtain water-based silicon the third cloud iron protective system.
Embodiment 2:
Step is with embodiment 1, different:
Raw material composition and the weight part ratio thereof of described water-based silicon the third cloud iron protective system are: silicon propyl group material 30, micaceous iron oxide gray 41, auxiliary pigment 1, filler 4, auxiliary agent 4, water 20; Described auxiliary pigment is red iron oxide; The moiety of described filler and weight part ratio thereof are talcum powder 2, mica powder 2; The moiety of described auxiliary agent and weight part ratio thereof are: rust oxidation 0.2, dispersion agent 0.3, frostproofer 0.5, film coalescence aid 1.2, wetting agent 0.1, sterilant 0.2, pH value conditioning agent 0.4, auxiliary rheological agents 0.8, defoamer 0.3, described dispersion agent is poly carboxylic acid ammonia salt, and described wetting agent is modified polyorganosiloxane.
Embodiment 3:
Step is with embodiment 1, different:
Raw material composition and the weight part ratio thereof of described water-based silicon the third cloud iron protective system are: silicon propyl group material 35, micaceous iron oxide gray 32, auxiliary pigment 10, filler 15, auxiliary agent 3, water 5; The moiety of described pigment and weight part ratio thereof are: Rutile type Titanium Dioxide 5, nano titanium oxide 3, phthalocyanine pigment 2; The moiety of described filler and weight part ratio thereof are: barium sulfate 10, diatomite 1, mica powder 4; The moiety of described auxiliary agent and weight part ratio thereof are: rust oxidation 0.1, dispersion agent 0.2, frostproofer 0.3, film coalescence aid 0.8, wetting agent 0.3, sterilant 0.2, pH value conditioning agent 0.3, auxiliary rheological agents 0.5, defoamer 0.3, wherein, described pH value conditioning agent is ammoniacal liquor, described auxiliary rheological agents is nonionic polyurethane polymkeric substance, and described defoamer is water drain silica.
Embodiment 4:
Step is with embodiment 1, different:
Raw material composition and the weight part ratio thereof of described water-based silicon the third cloud iron protective system are: silicon propyl group material 45, micaceous iron oxide gray 20, auxiliary pigment 10, filler 8, auxiliary agent 4, water 13; The moiety of described auxiliary pigment and weight part ratio thereof are: Rutile type Titanium Dioxide 5, nano titanium oxide 3, phthalocyanine pigment 2; The moiety of described filler and weight part ratio thereof are: barium sulfate 10, diatomite 1, mica powder 4; The moiety of described auxiliary agent and weight part ratio thereof are: rust oxidation 0.1, dispersion agent 0.2, frostproofer 0.3, film coalescence aid 0.8, wetting agent 0.3, sterilant 0.2, pH value conditioning agent 0.3, auxiliary rheological agents 0.5, defoamer 0.3, wherein, described wetting agent is modified polyorganosiloxane, and described auxiliary rheological agents is nonionic polyurethane polymkeric substance.
Water-based silicon the third cloud iron protective system that adopts above-mentioned four embodiment to make, paint film appearance is normal, sticking power (GB/T 9286-1998, cross-hatching) 1 grade, water tolerance (GB/T 1733-1993) 30 days is without abnormal, and resistance to salt water (GB/T 9274-1988,3%NaCl) 30 days is unchanged, acid resistance (GB/T 1763-1989,5%H
2sO
4) 30 days unchanged, 1000h paint film is non-foaming does not come off for salt fog resistance (GB/T 1771-2007,3%NaCl), coating temperature-change resistance (JG/T 25-1999,5 circulations) without abnormal, artificial ageing resistance (GB/T 1865-1997) 1700h is non-foaming, do not ftracture, do not come off.
Claims (6)
1. a water-based silicon third cloud iron protective system, it is characterized in that: the raw material of this protective system composition and weight part ratio thereof are: silicon propyl group material 30 ?50, pigment 20 ?41, filler 4 ?15, water 5 ?20, auxiliary agent 1 ?20, wherein, described pigment is micaceous iron oxide gray.
2. a kind of water-based silicon the third cloud iron protective system according to claim 1, it is characterized in that: the raw material composition of described protective system also comprises auxiliary pigment, this auxiliary pigment is at least one in Rutile type Titanium Dioxide, nano titanium oxide, phthalocyanine pigment, composite pigment, iron oxide pigment, and the weight ratio of auxiliary pigment and pigment be 1 ?10: 20 ?41.
3. a kind of water-based silicon the third cloud iron protective system according to claim 1 and 2, is characterized in that: the mixture that described silicon propyl group material is water-based organosilicon crylic acid latex, water-based organosilicon crylic acid latex and water-based pure-acrylic emulsion or the mixture of water-based organosilicon crylic acid latex and water-based benzene emulsion.
4. a kind of water-based silicon the third cloud iron protective system according to claim 1 and 2, is characterized in that: described filler is at least one in silicon-dioxide, kaolin, barium sulfate, mica powder, diatomite, talcum powder.
5. a kind of water-based silicon the third cloud iron protective system according to claim 1 and 2, is characterized in that: described auxiliary agent is at least one in rust oxidation, sterilant, pH value conditioning agent, dispersion agent, defoamer, wetting agent, frostproofer, film coalescence aid, auxiliary rheological agents.
6. a kind of water-based silicon the third cloud iron protective system according to claim 5, is characterized in that:
Described rust oxidation is organic zinc complex;
Described sterilant is the mixture of 5-nitrogen-MIT and MIT;
Described pH value conditioning agent is 2-amino-2-methyl-1-propanol or ammoniacal liquor;
Described dispersion agent is polycarboxylate sodium or poly carboxylic acid ammonia salt;
Described defoamer is modified polyorganosiloxane or water drain silica;
Described wetting agent is polysiloxane surfactant, modified polyorganosiloxane or polymeric carboxylic amine salt;
Described frostproofer is ethylene glycol or propylene glycol;
Described film coalescence aid is lauryl alcohol ester;
Described auxiliary rheological agents is hydrophobically-modified alkali swelling type polyacrylic acid or nonionic polyurethane polymkeric substance.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104109471A (en) * | 2014-07-15 | 2014-10-22 | 武汉武大巨成结构股份有限公司 | High-air-permeability high-weather-resistance green architectural protective paint |
| CN106752588A (en) * | 2016-12-26 | 2017-05-31 | 广西宾阳县荣良新材料科技有限公司 | A kind of mildewproof waterproof coating used for building exterior wall and its production method |
| CN106752189A (en) * | 2016-12-26 | 2017-05-31 | 广西宾阳县荣良新材料科技有限公司 | A kind of flame retardant type water-repellent paint used for building exterior wall and its production method |
| CN107148455A (en) * | 2014-09-24 | 2017-09-08 | 莫门蒂夫性能材料股份有限公司 | Conversion coating composition including dyestuff and the method with the conversion coating composition coating metal surfaces |
| EP3279273A1 (en) * | 2016-08-05 | 2018-02-07 | Malgorzata Brzezinska-Kisiel P.P.H. "ALCHEM" | A composition, use of the composition, an impregnant and a method for the preparing the composition |
| CN108300063A (en) * | 2017-10-17 | 2018-07-20 | 江苏欣安新材料技术有限公司 | A kind of aqueous inner wall paint and its production method |
| CN109439089A (en) * | 2018-10-31 | 2019-03-08 | 青岛迪恩特新材料科技有限公司 | It is a kind of suitable for the self-curing anticorrosion protective agent of naval air environment and its preparation and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104109471A (en) * | 2014-07-15 | 2014-10-22 | 武汉武大巨成结构股份有限公司 | High-air-permeability high-weather-resistance green architectural protective paint |
| CN107148455A (en) * | 2014-09-24 | 2017-09-08 | 莫门蒂夫性能材料股份有限公司 | Conversion coating composition including dyestuff and the method with the conversion coating composition coating metal surfaces |
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| CN106752588A (en) * | 2016-12-26 | 2017-05-31 | 广西宾阳县荣良新材料科技有限公司 | A kind of mildewproof waterproof coating used for building exterior wall and its production method |
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| CN109439089A (en) * | 2018-10-31 | 2019-03-08 | 青岛迪恩特新材料科技有限公司 | It is a kind of suitable for the self-curing anticorrosion protective agent of naval air environment and its preparation and application |
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