CN104946091A - Special corrosion-resistant high-temperature-resistant paint for chemical equipment - Google Patents
Special corrosion-resistant high-temperature-resistant paint for chemical equipment Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/04—Epoxynovolacs
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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
- 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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- 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
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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
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a special corrosion-resistant high-temperature-resistant paint for chemical equipment, which is prepared from a novolac epoxy resin, an acrylic resin, a boron modified organic silicon resin, a polytetrafluoroethylene resin, vapor-phase silicon dioxide, kaolin, polypropylene staple fiber, modified floating bead, alumina powder, graphite, iron oxide red, expanded perlite, polyvinylidene fluoride, ethanol, n-butanol, water, melamine, an amino resin, a film-forming assistant, a dispersing agent, a defoaming agent, a thickener, a wetting agent and a silane coupling agent. The special corrosion-resistant high-temperature-resistant for chemical equipment has the advantages of favorable corrosion resistance, favorable high temperature resistance and high adhesive force. When being used in chemical equipment, the paint can not easily shed and has long service life.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to the special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment.
Background technology
Corrosion is one of principal element causing metal firmware to damage, and etching problem can cause a large amount of resources and energy dissipation, contaminate environment, and more serious meeting brings personal injury etc.The direct economic loss caused due to metallic corrosion every year accounts for the 2%-4% of total value of production in national economy.
Along with China's expanding economy, the quickening gradually of industrialized process, industry becomes more and more important for the development of national economy.Chemical industry equipment is an indispensable part in industrial development, and it normally runs the normal production and the running that are directly connected to engineering project.Under normal circumstances, due to the singularity of chemical industry equipment environment for use, the gas, medium etc. of some oxidation-reducibilities is all related in Production in Chemical Plant, add that the humidity of production plant is comparatively large, temperature is higher, so on chemical industry equipment surface, strong chemical reaction will occur, thus form corrosion.Chemical industry equipment can change after being corroded in its color and luster, profile and fundamental property, causes equipment occur loss or damage phenomenon, thus affects normally using and producing of equipment, can bring certain loss to enterprise.Preventing from corroding conventional method is to equipment coating anticorrosive coating.
At present, although some protective system is applied on chemical industry equipment, but along with the development of society, the performance of people to chemical industry equipment is had higher requirement, and resistance to elevated temperatures and the Corrosion Protection of existing coating are not good enough, sticking power is bad, easily come off in the process used, thus leak, the parking of production process time serious, can be caused to run, not only cause financial loss, also there is potential safety hazard.
Summary of the invention
Based on background technology exist technical problem, the present invention proposes the special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment, its erosion resistance and high thermal resistance good, strong adhesion, in chemical industry equipment, difficult drop-off, long service life.
The special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, its raw material comprises following component by weight: novolac epoxy 30-50 part, acrylic resin 20-40 part, boron modification silicone resin 5-20 part, teflon resin 3-10 part, aerosil 3-10 part, kaolin 10-20 part, polypropene staple 5-12 part, modification drift pearl 10-30 part, aluminum oxide powder 5-15 part, graphite 3-15 part, red iron oxide 10-20 part, pearlstone 2-8 part, polyvinylidene difluoride (PVDF) 5-20 part, ethanol 3-7 part, propyl carbinol 20-25 part, water 10-30 part, trimeric cyanamide 10-20 part, aminoresin 1-3 part, film coalescence aid 3-10 part, dispersion agent 0.2-0.5 part, defoamer 0.1-0.5 part, thickening material 0.3-0.5 part, wetting agent 2-6 part, silane coupling agent 10-15 part.
In a particular embodiment, the special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, in its raw material, the weight part of novolac epoxy can be 30,32,34,35,38,39,42,43,45,46,46.8,48,49,49.3,50 parts; The weight part of acrylic resin can be 20,23,25,26,28,29,29.3,32,34,35,36,38,38.6,40 parts; The weight part of boron modification silicone resin can be 5,6,7,8,8.5,9,9.3,10,10.3,11,11.3,12,12.6,13,13.5,14,14.6,15,15.3,16,18,19,19.4,20 parts; The weight part of teflon resin can be 3,4,5,5.3,6,6.3,7,7.8,8,8.6,9,9.4,10 parts; The weight part of aerosil can be 3,4,5,6,6.3,7,7.6,8,8.5,9,9.3,10 parts; Kaolinic weight part can be 10,12,13,15,16,16.3,18,19,19.3,20 parts; The weight part of polypropene staple can be 5,6,7,8,8.5,9,9.3,10,10.3,11,11.6,12 parts; The weight part of modification drift pearl can be 10,12,13,15,16,18,19,19.3,21,23,25,26,27,28,28.6,29,29.3,30 parts; The weight part of aluminum oxide powder can be 5,6,7,8,8.6,9,9.4,10,10.3,12,13,14.3,15 parts; The weight part of graphite can be 3,4,5,6,8,8.6,9,9.3,10,10.3,12,13,14,14.6,15 parts; The weight part of red iron oxide can be 10,12,13,15,16,16.3,17,18,18.6,19,19.4,20 parts; The weight part of pearlstone can be 2,3,4,5,5.3,6,6.3,7,7.4,8 parts; The weight part of polyvinylidene difluoride (PVDF) can be 5,6,7,8,8.6,9,9.3,10,10.3,11,11.6,12,12.3,14,15,16,18,19,19.4,20 parts; The weight part of ethanol can be 3,4,5,5.3,6,6.7,7 parts; The weight part of propyl carbinol can be 20,20.3,21,21.6,23,23.4,24,24.6,25 parts; The weight part of water can be 10,12,13,15,16,16.8,18,18.6,21,23,25,27,28,28.6,29,29.3,30 parts; The weight part of trimeric cyanamide can be 10,12,13,15,16,16.3,17,18,18.6,19,19.4,20 parts; The weight part of aminoresin can be 1,1.2,1.8,2,2.3,2.6,2.75,2.8,3 part; The weight part of film coalescence aid can be 3,4,5,6,6.3,7,7.4,8,8.6,9,9.3,10 parts; The weight part of dispersion agent can be 0.2,0.26,0.3,0.34,0.4,0.46,0.5 part; The weight part of defoamer can be 0.1,0.12,0.18,0.2,0.26,0.3,0.34,0.4,0.46,0.5 part; The weight part of thickening material can be 0.3,0.32,0.38,0.4,0.42,0.46,0.5 part; The weight part of wetting agent can be 2,2.3,2.8,3,3.4,4,4.5,5,5.6,6 parts; The weight part of silane coupling agent can be 10,12,13,13.4,14,14.6,15 parts.
Preferably, in its raw material, the weight ratio of novolac epoxy, acrylic resin, boron modification silicone resin, teflon resin is 38-46:27-35:10-17:6-9.
Preferably, in its raw material, the weight ratio of aerosil, kaolin, polypropene staple, modification drift pearl, aluminum oxide powder, graphite, red iron oxide, pearlstone, polyvinylidene difluoride (PVDF) is 6-9:12-17:8-11:17-26:8-13:7-13:13-18:4-8:9-16.
Preferably, its raw material comprises following component by weight: novolac epoxy 40-45 part, acrylic resin 30-33 part, boron modification silicone resin 12-16 part, teflon resin 8-9 part, aerosil 8-9 part, kaolin 14-16 part, polypropene staple 10-11 part, modification drift pearl 20-24 part, aluminum oxide powder 10-13 part, graphite 9-12 part, red iron oxide 15-17 part, pearlstone 6-8 part, polyvinylidene difluoride (PVDF) 12-15 part, ethanol 5-6 part, propyl carbinol 22-25 part, water 19-26 part, trimeric cyanamide 14-18 part, aminoresin 1.8-2.6 part, film coalescence aid 7-9 part, dispersion agent 0.29-0.36 part, defoamer 0.26-0.4 part, thickening material 0.38-0.42 part, wetting agent 4-5 part, silane coupling agent 13-14 part.
Preferably, its raw material comprises following component by weight: novolac epoxy 43 parts, acrylic resin 32 parts, boron modification silicone resin 14 parts, teflon resin 8.6 parts, aerosil 8.7 parts, kaolin 15.2 parts, polypropene staple 10.3 parts, modification drift 22 parts, pearl, aluminum oxide powder 12.6 parts, 10 parts, graphite, red iron oxide 16.3 parts, pearlstone 7.2 parts, polyvinylidene difluoride (PVDF) 14 parts, ethanol 5.8 parts, propyl carbinol 23 parts, 22 parts, water, trimeric cyanamide 16 parts, 2.3 parts, aminoresin, film coalescence aid 8.2 parts, dispersion agent 0.3 part, defoamer 0.35 part, thickening material 0.4 part, wetting agent 4.6 parts, silane coupling agent 13.5 parts.
Preferably, described boron modification silicone resin is the combination of a kind of in boric acid modified silicone resin, epoxide modified silicon boron resin or two kinds.
Preferably, described film coalescence aid is one or more the combination in lauryl alcohol ester, dipropylene, dimethyl phthalate.
Preferably, described modification drift pearl is prepared according to following technique: add in salpeter solution by drift pearl, ultrasonic disperse 10-25min, then filtration, drying obtain material A; Sulphuric acid soln and hydrogen peroxide are mixed, then adds material A, after being heated to 40-60 DEG C, stir 20-50min, then obtain material B through washing, filtration, drying; Material B is added in toluene, ultrasonic disperse 20-50min, then adds aniline propyl-triethoxysilicane, ultrasonic 20-50min, after being then heated to reflux, react 25-30h, after reaction terminates through cooling, filter, washing obtains material C; Added by aniline in dilute hydrochloric acid, then add material C, ultrasonic 10-20min, then adds polyvinylpyrrolidone, under ice-water bath, react 25-30h, obtains described modification drift pearl after reaction terminates through filtration, washing, extracting, drying.
Preferably, pearl is prepared according to following technique in described modification drift: by weight 5-10 part drift pearl being added 20-30 part massfraction is in the salpeter solution of 12-15%, ultrasonic disperse 10-25min, then filters, dries and obtain material A; The hydrogen peroxide of to be the sulphuric acid soln of 90-95% and 10-20 part massfraction by weight by 20-30 part massfraction be 20-30% mixes, then 3-10 part material A is added, stir 20-50min after being heated to 40-60 DEG C, then obtain material B through washing, filtration, drying; By weight 10-20 serving material B is added in 25-40 part toluene, ultrasonic disperse 20-50min, then adds 5-10 part aniline propyl-triethoxysilicane, ultrasonic 20-50min, then react 25-30h after being heated to reflux, after reaction terminates through cooling, filter, washing obtains material C; By weight 10-20 part aniline is added in 30-50 part dilute hydrochloric acid, then add 2-3 serving material C, ultrasonic 10-20min, then add 1-5 part polyvinylpyrrolidone, under ice-water bath, react 25-30h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
Preferably, pearl is prepared according to following technique in described modification drift: by weight 8 parts of drift pearls being added 25 parts of massfractions is in the salpeter solution of 15%, ultrasonic disperse 18min, then filters, dries and obtain material A; By 27 parts of massfractions be by weight 93% sulphuric acid soln and 18 parts of massfractions be 25% hydrogen peroxide mix, then add 8 parts of material A, after being heated to 55 DEG C, stir 38min, then through washing, filter, drying obtains material B; By weight 18 serving material B are added in 35 parts of toluene, ultrasonic disperse 38min, then add 8 parts of aniline propyl-triethoxysilicanes, ultrasonic 40min, after being then heated to reflux, react 28h, after reaction terminates through cooling, filter, washing obtains material C; By weight 17 parts of aniline being added 38 parts of massfractions is in the dilute hydrochloric acid of 15%, then add 2.8 serving material C, ultrasonic 18min, then add 3 parts of polyvinylpyrrolidones, under ice-water bath, react 28h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
In the present invention, described dilute hydrochloric acid refer to massfraction lower than 20% hydrochloric acid.
The special corrosion-resistant and high-temperature resistant coating of chemical industry equipment of the present invention can Paint preparation technology conveniently, to be mixed by each raw material obtain by proportioning.
Novolac epoxy epoxy group content is high, and viscosity is comparatively large, and solidified after-product cross-linking density is high, thermotolerance and good corrosion resistance, acrylic resin has excellent photostabilization and anti-outdoor aging performance, silicone resin is moisture resistance, waterproof, antirust, cold-resistant, resistance to ozone and weather resistance are good, excellent anti-corrosion performance, teflon resin is low temperature resistant, corrosion-resistant, weather resistance is excellent, in the present invention, have selected novolac epoxy, acrylic resin, boron modification silicone resin, teflon resin coordinate as the filmogen of coating, and have adjusted the ratio of four, overcome the defect of single filmogen, give high temperature resistant, resistance to smog, humidity resistance, the weather-proof and corrosion resistance nature of coating excellence, in boron modification silicone resin, on the one hand, due to boron atom is introduced in silicone molecules main chain, define B-O key, its bond energy is higher than the bond energy of Si-O key, therefore silicone resin the main chain more firmly and not easy fracture after boron modification, improve the thermotolerance of silicone resin, on the other hand, because the multi-functional introducings such as boric acid make modified silicone resin intramolecule there will be tight build network structure, further increase high thermal resistance and the physical strength of silicone resin, join in coating, improve intensity and the high thermal resistance of coating, aerosil, kaolin, polypropene staple, modification drift pearl, aluminum oxide powder, graphite, red iron oxide, pearlstone, join after polyvinylidene difluoride (PVDF) coordinates by a certain percentage in coating, the light wave of different wave length can be hindered on the one hand, and the propagation of Thermal Infra-Red, play well heat insulation, insulation effect, on the one hand, the ability of coating shielding of ultraviolet and moisture penetration can be improved, improve water tolerance and the weathering resistance of coating, prevent be full of cracks, postpone efflorescence, improve the work-ing life of coating, the compactness of coating can also be improved on the other hand, eliminate pin hole bad phenomenon, in the preparation process of modification drift pearl, have employed drift pearl, aniline propyl-triethoxysilicane and aniline is raw material, passes through Optimization Technology, three is integrated by chemical bonded refractory, add in coating, in the base good dispersity, improve the erosion resistance of coating, high thermal resistance and static resistance.
Carry out Performance Detection to the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment of the present invention, result is as shown in the table:
| Test item | Performance index |
| Pencil hardness | 2-3H |
| Surface drying time | ≤0.5h |
| Do solid work the time | ≤20h |
| Sticking power (cross-hatching) | 1 grade |
| Shock strength | ≥55kg/cm 2 |
| High thermal resistance | 250-320℃ |
| Water tolerance (soak at room temperature three months) | Paint film does not come off, non-foaming, without rust spot |
| Resistance to sodium hydroxide 7 days | Paint film does not come off, non-foaming, without rust spot |
| Acid resistance (soaking three months in 8% sulphuric acid soln) | Paint film does not come off, non-foaming, without rust spot |
| Alkali resistance (soaking 3d in 30% sodium hydroxide solution) | Paint film does not come off, non-foaming, without rust spot |
| Salt tolerance (soaking 3d in the sodium chloride solution of 3%) | Paint film does not come off, non-foaming, without rust spot |
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, its raw material comprises following component by weight: novolac epoxy 30 parts, acrylic resin 40 parts, boron modification silicone resin 5 parts, teflon resin 10 parts, aerosil 3 parts, kaolin 20 parts, polypropene staple 5 parts, modification drift 30 parts, pearl, aluminum oxide powder 5 parts, 15 parts, graphite, red iron oxide 10 parts, pearlstone 8 parts, polyvinylidene difluoride (PVDF) 5 parts, ethanol 7 parts, propyl carbinol 20 parts, 30 parts, water, trimeric cyanamide 10 parts, 3 parts, aminoresin, film coalescence aid 3 parts, dispersion agent 0.5 part, defoamer 0.1 part, thickening material 0.5 part, wetting agent 2 parts, silane coupling agent 15 parts.
Embodiment 2
The special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, its raw material comprises following component by weight: novolac epoxy 50 parts, acrylic resin 20 parts, boron modification silicone resin 20 parts, teflon resin 3 parts, aerosil 10 parts, kaolin 10 parts, polypropene staple 12 parts, modification drift 10 parts, pearl, aluminum oxide powder 15 parts, 3 parts, graphite, red iron oxide 20 parts, pearlstone 2 parts, polyvinylidene difluoride (PVDF) 20 parts, ethanol 3 parts, propyl carbinol 25 parts, 10 parts, water, trimeric cyanamide 20 parts, 1 part, aminoresin, dipropylene 5 parts, dimethyl phthalate 5 parts, dispersion agent 0.2 part, defoamer 0.5 part, thickening material 0.3 part, wetting agent 6 parts, silane coupling agent 10 parts, wherein, described boron modification silicone resin is epoxide modified silicon boron resin.
Embodiment 3
The special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, its raw material comprises following component by weight: novolac epoxy 43 parts, acrylic resin 32 parts, boron modification silicone resin 14 parts, teflon resin 8.6 parts, aerosil 8.7 parts, kaolin 15.2 parts, polypropene staple 10.3 parts, modification drift 22 parts, pearl, aluminum oxide powder 12.6 parts, 10 parts, graphite, red iron oxide 16.3 parts, pearlstone 7.2 parts, polyvinylidene difluoride (PVDF) 14 parts, ethanol 5.8 parts, propyl carbinol 23 parts, 22 parts, water, trimeric cyanamide 16 parts, 2.3 parts, aminoresin, lauryl alcohol ester 2 parts, dipropylene 2.6 parts, dimethyl phthalate 3.6 parts, dispersion agent 0.3 part, defoamer 0.35 part, thickening material 0.4 part, wetting agent 4.6 parts, silane coupling agent 13.5 parts,
Wherein, described boron modification silicone resin is that boric acid modified silicone resin, epoxide modified silicon boron resin are by weight the combination of 1:2;
Pearl is prepared according to following technique in described modification drift: by weight 5 parts of drift pearls being added 30 parts of massfractions is in the salpeter solution of 12%, ultrasonic disperse 25min, then filters, dries and obtain material A; By 20 parts of massfractions be by weight 95% sulphuric acid soln and 10 parts of massfractions be 30% hydrogen peroxide mix, then add 3 parts of material A, after being heated to 60 DEG C, stir 20min, then through washing, filter, drying obtains material B; By weight 20 serving material B are added in 25 parts of toluene, ultrasonic disperse 50min, then add 5 parts of aniline propyl-triethoxysilicanes, ultrasonic 50min, after being then heated to reflux, react 25h, after reaction terminates through cooling, filter, washing obtains material C; By weight 20 parts of aniline are added in 30 parts of dilute hydrochloric acid, then add 3 serving material C, ultrasonic 10min, then add 5 parts of polyvinylpyrrolidones, under ice-water bath, react 25h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
Embodiment 4
The special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, its raw material comprises following component by weight: novolac epoxy 40 parts, acrylic resin 33 parts, boron modification silicone resin 12 parts, teflon resin 9 parts, aerosil 8 parts, kaolin 16 parts, polypropene staple 10 parts, modification drift 20 parts, pearl, aluminum oxide powder 13 parts, 9 parts, graphite, red iron oxide 17 parts, pearlstone 6 parts, polyvinylidene difluoride (PVDF) 15 parts, ethanol 5 parts, propyl carbinol 25 parts, 19 parts, water, trimeric cyanamide 18 parts, 1.8 parts, aminoresin, dimethyl phthalate 9 parts, dispersion agent 0.29 part, defoamer 0.4 part, thickening material 0.38 part, wetting agent 5 parts, silane coupling agent 13 parts,
Wherein, described boron modification silicone resin is that boric acid modified silicone resin, epoxide modified silicon boron resin are by the combination of the ratio of any weight;
Pearl is prepared according to following technique in described modification drift: by weight 10 parts of drift pearls being added 20 parts of massfractions is in the salpeter solution of 15%, ultrasonic disperse 10min, then filters, dries and obtain material A; By 30 parts of massfractions be by weight 90% sulphuric acid soln and 20 parts of massfractions be 20% hydrogen peroxide mix, then add 10 parts of material A, after being heated to 40 DEG C, stir 50min, then through washing, filter, drying obtains material B; By weight 10 serving material B are added in 40 parts of toluene, ultrasonic disperse 20min, then add 10 parts of aniline propyl-triethoxysilicanes, ultrasonic 20min, after being then heated to reflux, react 30h, after reaction terminates through cooling, filter, washing obtains material C; By weight 10 parts of aniline are added in 50 parts of dilute hydrochloric acid, then add 2 serving material C, ultrasonic 20min, then add 1 part of polyvinylpyrrolidone, under ice-water bath, react 30h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
Embodiment 5
The special corrosion-resistant and high-temperature resistant coating of a kind of chemical industry equipment that the present invention proposes, its raw material comprises following component by weight: novolac epoxy 45 parts, acrylic resin 30 parts, boric acid modified silicone resin 16 parts, teflon resin 8 parts, aerosil 9 parts, kaolin 14 parts, polypropene staple 11 parts, modification drift 24 parts, pearl, aluminum oxide powder 10 parts, 12 parts, graphite, red iron oxide 15 parts, pearlstone 8 parts, polyvinylidene difluoride (PVDF) 12 parts, ethanol 6 parts, propyl carbinol 22 parts, 26 parts, water, trimeric cyanamide 14 parts, 2.6 parts, aminoresin, lauryl alcohol ester 7 parts, dispersion agent 0.36 part, defoamer 0.26 part, thickening material 0.42 part, wetting agent 4 parts, silane coupling agent 14 parts,
Wherein, pearl is prepared according to following technique in described modification drift: by weight 8 parts of drift pearls being added 25 parts of massfractions is in the salpeter solution of 15%, ultrasonic disperse 18min, then filters, dries and obtain material A; By 27 parts of massfractions be by weight 93% sulphuric acid soln and 18 parts of massfractions be 25% hydrogen peroxide mix, then add 8 parts of material A, after being heated to 55 DEG C, stir 38min, then through washing, filter, drying obtains material B; By weight 18 serving material B are added in 35 parts of toluene, ultrasonic disperse 38min, then add 8 parts of aniline propyl-triethoxysilicanes, ultrasonic 40min, after being then heated to reflux, react 28h, after reaction terminates through cooling, filter, washing obtains material C; By weight 17 parts of aniline being added 38 parts of massfractions is in the dilute hydrochloric acid of 15%, then add 2.8 serving material C, ultrasonic 18min, then add 3 parts of polyvinylpyrrolidones, under ice-water bath, react 28h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment, it is characterized in that, its raw material comprises following component by weight: novolac epoxy 30-50 part, acrylic resin 20-40 part, boron modification silicone resin 5-20 part, teflon resin 3-10 part, aerosil 3-10 part, kaolin 10-20 part, polypropene staple 5-12 part, modification drift pearl 10-30 part, aluminum oxide powder 5-15 part, graphite 3-15 part, red iron oxide 10-20 part, pearlstone 2-8 part, polyvinylidene difluoride (PVDF) 5-20 part, ethanol 3-7 part, propyl carbinol 20-25 part, water 10-30 part, trimeric cyanamide 10-20 part, aminoresin 1-3 part, film coalescence aid 3-10 part, dispersion agent 0.2-0.5 part, defoamer 0.1-0.5 part, thickening material 0.3-0.5 part, wetting agent 2-6 part, silane coupling agent 10-15 part.
2. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to claim 1, it is characterized in that, in its raw material, the weight ratio of novolac epoxy, acrylic resin, boron modification silicone resin, teflon resin is 38-46:27-35:10-17:6-9.
3. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to claim 1 or 2, it is characterized in that, in its raw material, the weight ratio of aerosil, kaolin, polypropene staple, modification drift pearl, aluminum oxide powder, graphite, red iron oxide, pearlstone, polyvinylidene difluoride (PVDF) is 6-9:12-17:8-11:17-26:8-13:7-13:13-18:4-8:9-16.
4. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-3, it is characterized in that, its raw material comprises following component by weight: novolac epoxy 40-45 part, acrylic resin 30-33 part, boron modification silicone resin 12-16 part, teflon resin 8-9 part, aerosil 8-9 part, kaolin 14-16 part, polypropene staple 10-11 part, modification drift pearl 20-24 part, aluminum oxide powder 10-13 part, graphite 9-12 part, red iron oxide 15-17 part, pearlstone 6-8 part, polyvinylidene difluoride (PVDF) 12-15 part, ethanol 5-6 part, propyl carbinol 22-25 part, water 19-26 part, trimeric cyanamide 14-18 part, aminoresin 1.8-2.6 part, film coalescence aid 7-9 part, dispersion agent 0.29-0.36 part, defoamer 0.26-0.4 part, thickening material 0.38-0.42 part, wetting agent 4-5 part, silane coupling agent 13-14 part.
5. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-4, it is characterized in that, its raw material comprises following component by weight: novolac epoxy 43 parts, acrylic resin 32 parts, boron modification silicone resin 14 parts, teflon resin 8.6 parts, aerosil 8.7 parts, kaolin 15.2 parts, polypropene staple 10.3 parts, modification drift 22 parts, pearl, aluminum oxide powder 12.6 parts, 10 parts, graphite, red iron oxide 16.3 parts, pearlstone 7.2 parts, polyvinylidene difluoride (PVDF) 14 parts, ethanol 5.8 parts, propyl carbinol 23 parts, 22 parts, water, trimeric cyanamide 16 parts, 2.3 parts, aminoresin, film coalescence aid 8.2 parts, dispersion agent 0.3 part, defoamer 0.35 part, thickening material 0.4 part, wetting agent 4.6 parts, silane coupling agent 13.5 parts.
6. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-5, is characterized in that, described boron modification silicone resin is the combination of a kind of in boric acid modified silicone resin, epoxide modified silicon boron resin or two kinds.
7. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-6, is characterized in that, described film coalescence aid is one or more the combination in lauryl alcohol ester, dipropylene, dimethyl phthalate.
8. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-7, it is characterized in that, described modification drift pearl is prepared according to following technique: add in salpeter solution by drift pearl, ultrasonic disperse 10-25min, then filtration, drying obtain material A; Sulphuric acid soln and hydrogen peroxide are mixed, then adds material A, after being heated to 40-60 DEG C, stir 20-50min, then obtain material B through washing, filtration, drying; Material B is added in toluene, ultrasonic disperse 20-50min, then adds aniline propyl-triethoxysilicane, ultrasonic 20-50min, after being then heated to reflux, react 25-30h, after reaction terminates through cooling, filter, washing obtains material C; Added by aniline in dilute hydrochloric acid, then add material C, ultrasonic 10-20min, then adds polyvinylpyrrolidone, under ice-water bath, react 25-30h, obtains described modification drift pearl after reaction terminates through filtration, washing, extracting, drying.
9. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-8, it is characterized in that, described modification drift pearl is prepared according to following technique: by weight 5-10 part drift pearl being added 20-30 part massfraction is in the salpeter solution of 12-15%, ultrasonic disperse 10-25min, then filters, dries and obtain material A; The hydrogen peroxide of to be the sulphuric acid soln of 90-95% and 10-20 part massfraction by weight by 20-30 part massfraction be 20-30% mixes, then 3-10 part material A is added, stir 20-50min after being heated to 40-60 DEG C, then obtain material B through washing, filtration, drying; By weight 10-20 serving material B is added in 25-40 part toluene, ultrasonic disperse 20-50min, then adds 5-10 part aniline propyl-triethoxysilicane, ultrasonic 20-50min, then react 25-30h after being heated to reflux, after reaction terminates through cooling, filter, washing obtains material C; By weight 10-20 part aniline is added in 30-50 part dilute hydrochloric acid, then add 2-3 serving material C, ultrasonic 10-20min, then add 1-5 part polyvinylpyrrolidone, under ice-water bath, react 25-30h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
10. the special corrosion-resistant and high-temperature resistant coating of chemical industry equipment according to any one of claim 1-9, it is characterized in that, described modification drift pearl is prepared according to following technique: by weight 8 parts of drift pearls being added 25 parts of massfractions is in the salpeter solution of 15%, ultrasonic disperse 18min, then filters, dries and obtain material A; By 27 parts of massfractions be by weight 93% sulphuric acid soln and 18 parts of massfractions be 25% hydrogen peroxide mix, then add 8 parts of material A, after being heated to 55 DEG C, stir 38min, then through washing, filter, drying obtains material B; By weight 18 serving material B are added in 35 parts of toluene, ultrasonic disperse 38min, then add 8 parts of aniline propyl-triethoxysilicanes, ultrasonic 40min, after being then heated to reflux, react 28h, after reaction terminates through cooling, filter, washing obtains material C; By weight 17 parts of aniline being added 38 parts of massfractions is in the dilute hydrochloric acid of 15%, then add 2.8 serving material C, ultrasonic 18min, then add 3 parts of polyvinylpyrrolidones, under ice-water bath, react 28h, after reaction terminates, obtain described modification drift pearl through filtration, washing, extracting, drying.
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| CN105400329A (en) * | 2015-12-08 | 2016-03-16 | 常熟市裕茗企业管理咨询有限公司 | Metering and detecting toolkit |
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| CN105400329A (en) * | 2015-12-08 | 2016-03-16 | 常熟市裕茗企业管理咨询有限公司 | Metering and detecting toolkit |
| CN105885597A (en) * | 2016-05-05 | 2016-08-24 | 张小霞 | Anti-freezing anti-corrosive paint for surface of steel structure and preparation method thereof |
| CN106479287A (en) * | 2016-09-30 | 2017-03-08 | 合肥华运机械制造有限公司 | A kind of magnetic force pump case coating |
| CN107746653A (en) * | 2017-10-25 | 2018-03-02 | 佛山杰致信息科技有限公司 | A kind of transformer high-temperature resistant coating and preparation method thereof |
| CN108285706A (en) * | 2018-02-28 | 2018-07-17 | 佛山市三水日邦化工有限公司 | A kind of waterborne metal anti-corrosive paint |
| CN109679419A (en) * | 2018-12-30 | 2019-04-26 | 安徽银龙泵阀股份有限公司 | A kind of chemical pump corrosion-resisting resin coating and its preparation process |
| CN109679459A (en) * | 2018-12-30 | 2019-04-26 | 安徽银龙泵阀股份有限公司 | A kind of chemical pump Environment-friendlyantirust antirust coating and its preparation process |
| CN109777252A (en) * | 2018-12-31 | 2019-05-21 | 安徽银龙泵阀股份有限公司 | A kind of high-temperature resistant coating and preparation method thereof for evaporative recirculation pump |
| CN110698892A (en) * | 2019-11-19 | 2020-01-17 | 山东鲁阳节能材料股份有限公司 | Steel structure water-based fireproof coating and preparation method thereof |
| CN112608681A (en) * | 2021-01-08 | 2021-04-06 | 成都彰铭启科技有限公司 | Preparation method of high-temperature-resistant anti-corrosion composite coating for heat exchanger |
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| CN114716875A (en) * | 2021-04-27 | 2022-07-08 | 盛隆建材有限公司 | Waterproof coating and preparation method and application thereof |
| CN115261085A (en) * | 2022-08-01 | 2022-11-01 | 北京中冶和坤天冕工程技术有限公司 | Coke oven gas purification method |
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Application publication date: 20150930 |