CN104403521A - Weather-resistant steel plate - Google Patents
Weather-resistant steel plate Download PDFInfo
- Publication number
- CN104403521A CN104403521A CN201410739856.0A CN201410739856A CN104403521A CN 104403521 A CN104403521 A CN 104403521A CN 201410739856 A CN201410739856 A CN 201410739856A CN 104403521 A CN104403521 A CN 104403521A
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- Prior art keywords
- polyester resin
- silicone
- powder
- modified polyester
- filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 90
- 238000000576 coating method Methods 0.000 claims abstract description 90
- 229920001225 polyester resin Polymers 0.000 claims abstract description 67
- 239000004645 polyester resin Substances 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 52
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002904 solvent Substances 0.000 claims abstract description 25
- 229920001296 polysiloxane Polymers 0.000 claims description 66
- 239000000843 powder Substances 0.000 claims description 57
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 50
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 42
- 239000000945 filler Substances 0.000 claims description 41
- 239000004411 aluminium Substances 0.000 claims description 28
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 25
- 229920002050 silicone resin Polymers 0.000 claims description 25
- 229910000870 Weathering steel Inorganic materials 0.000 claims description 24
- 239000011521 glass Substances 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000006229 carbon black Substances 0.000 claims description 21
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 21
- 239000000049 pigment Substances 0.000 claims description 21
- 239000004408 titanium dioxide Substances 0.000 claims description 21
- 235000010215 titanium dioxide Nutrition 0.000 claims description 21
- 239000007822 coupling agent Substances 0.000 claims description 20
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000008096 xylene Substances 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 229920006395 saturated elastomer Polymers 0.000 claims description 18
- 239000004952 Polyamide Substances 0.000 claims description 10
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 8
- 239000005355 lead glass Substances 0.000 claims description 8
- 238000006068 polycondensation reaction Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 239000005365 phosphate glass Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 239000007769 metal material Substances 0.000 abstract description 5
- 230000003584 silencer Effects 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- 238000005504 petroleum refining Methods 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 32
- -1 by weight percentage Substances 0.000 description 8
- 239000003208 petroleum Substances 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000008199 coating composition Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012761 high-performance material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910018557 Si O Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012505 colouration Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/40—Glass
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a weather-resistant steel plate which is prepared from a pre-coated steel plate coated and roasted by a basic coating and a surface coating sequentially. The basic coating and the surface coating used by the invention are prepared from organosilicone modified polyester resin as a base material and other auxiliaries. According to the weather-resistant steel plate disclosed by the invention, due to excellent heat resisting temperature, excellent adhesiveness and processibility on metal materials, excellent solvent resistance, good high-heat hardness and the like, the organosilicone modified polyester resin can be used for being sprayed on metal surfaces of iron materials, aluminum products or stainless steel and the like and can be widely applied to heat-resisting materials, such as a petroleum refining furnace, an aluminum refining furnace, an engine exhaust system and an engine silencer, which are in a high-temperature working condition for a long time.
Description
Technical field
The invention belongs to metal material field, specifically, is a kind of anti weathering steel.
Background technology
Steel plate be by pre-coating film steel plate before shaping through coating, oven dry and obtaining, because film also will stand formed machining after film forming, therefore, not only require that pre-coating film steel plate can meet hardness and the plasticity of high request, the class coating material that its coating uses needs degrading resistance property equally.In metal material field, the coating on metal not only can play protection and beautify the effect of metal appearance, as antirust and painted etc., sometimes, coating also can be utilized to realize some special functions, as improved lubrication, improving deep drawability etc.In actual application, effect and the coating of coating have close relationship.For heat resisting coating, heat resisting coating refers to that its film can maintain high temperature (being generally more than 150 DEG C) not cracking for a long time, yellowish appearance degree is little, do not come off, suitable physicals and protection function can also be kept, existing patent documentation CN1583912 (coiled material priming paint coating and method for making thereof, 2005.02.23) disclose one by linear polyester resin or epoxy resin, aminoresin, rust-stabilising pigment, the professional coating of auxiliary agent and solvent composition, when reality uses, because the heat resisting temperature of vibrin or epoxy resin is at 130 ~ 155 DEG C, therefore, be applicable to heat zinc coating plate, electrolytic galvanized sheet, the best results such as alloying plate and cold rolled plate material.
Along with the progress of technology, it is found that silicone resin also has preferably thermotolerance, the basic framework of silicone resin is the main chain of Si-O, higher than the bond energy of the C-C key of common high molecular polymer, it is heat-resisting and antioxygenation is also stronger, under normal circumstances, the heat resisting temperature of silicone resin is 300 DEG C, be proven, silicone resin is except thermotolerance, also show excellent weathering resistance, pollution resistance, pull out water-based, the performance such as winter hardiness and resistance to chemical attack, but when reality uses, but also there are the following problems, such as: need hot setting (more than 250 DEG C) and set time long, not easily large-area construction, to the poor adhesive force of metal, poor solvent resistance and cost of manufacture high, for this reason, we certainly will need to find a kind of high performance material that can substitute silicone resin, for the coating problems of steel plate, simultaneously, also need this high performance material more existing vibrin or epoxy resin can have higher thermotolerance.
Summary of the invention
The object of the present invention is to provide a kind of anti weathering steel, this anti weathering steel adopts base layer dope and surface coating material successively through coating by pre-coating film steel plate, toast and obtain, wherein, the base layer dope used and surface coating material are again by the base-material of silicone modified polyester resin as coating composition, and be aided with other auxiliary agents and be prepared from, when reality uses, because silicone modified polyester resin has more excellent resistance to elevated temperatures, therefore, consisting of coating composition have more good character, iron material can be sprayed on, the metallic surface such as aluminium or stainless steel, and be widely used in petroleum refinement stove, aluminium refines stove, engine exhaust system, silencer for motor vehicles etc. are on the heat-stable material under hot operation state for a long time.
The present invention is achieved through the following technical solutions: a kind of anti weathering steel, described anti weathering steel adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, described base layer dope is coated on the top layer of pre-coating film steel plate, and form basic unit's film, by weight percentage, described base layer dope comprises following component:
Silicone modified polyester resin: 30 ~ 50%, filler: 20 ~ 46%,
Silicone coupling agents: 1 ~ 2%, phthalate: 0.5 ~ 1%,
Xylene solvent: 1 ~ 48.5%;
Described surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 40 ~ 60%; Pigment: 10 ~ 15%;
Polyamide curing agent: 5 ~ 7%; Filler: 10 ~ 15%;
Silicone coupling agents: 1.2 ~ 1.8%; Solvent: 1.2 ~ 33.8%.
The basic coating that the present invention uses and surface coating material are all using silicone modified polyester resin as base-material, and be aided with other auxiliary combinations, in the present invention, silicone modified polyester resin is due to its excellent heat resisting temperature, to excellent adhesion and the processibility of metal material, excellent solvent resistance and good high hot hardness etc., can be used for being sprayed on iron material, the metallic surface such as aluminium or stainless steel, and be widely used in petroleum refinement stove, aluminium refines stove, engine exhaust system, silencer for motor vehicles etc. are on the heat-stable material under hot operation state for a long time.
Described silicone modified polyester resin is as properties-correcting agent by silicone resin, obtain through polycondensation with saturated polyester resin, in the present invention, silicone modified polyester resin has the advantage of silicone resin and saturated polyester resin concurrently, there is good resistance toheat, under normal circumstances, the high temperature resistant temperature of silicone modified polyester resin is 180 ~ 250 DEG C, when reality uses, the tack that the number of silicone resin content represents when decide base layer dope or surface coating material film, shock-resistance and thermotolerance, for better solving described problem, the mass ratio of described silicone resin and saturated polyester resin is: 1:(0.1 ~ 0.4).
To better implement the present invention, the solid content of described silicone modified polyester resin is 55 ~ 65%, and proportion is 1.08 ~ 1.14, and acid number is 2 ~ 10mgKOH/g.
Described filler comprises glass powder, chromium sesquioxide and china clay, by weight percentage, described glass powder is 15 ~ 35%, chromium sesquioxide is 2 ~ 5%, china clay is 3 ~ 6%, the glass powder that the present invention relates to, chromium sesquioxide and china clay are technical grade, have the characteristic increasing hardness, improve component wear resistance.
To better implement the present invention, described filler also comprises aluminium powder and talcum powder, and by weight percentage, described filler comprises: the glass powder of 30%, the chromium sesquioxide of 3%, the china clay of 4%, the aluminium powder of 8% and 1% talcum powder.
The filler that the present invention relates to also comprises following situation: described filler also comprises aluminium powder and talcum powder, and by weight percentage, described filler comprises: the glass powder of 29%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 10% and 2% talcum powder.
The glass powder that the present invention relates to is glass powder with low melting point, and described glass powder is lead glass powder, boron glass powder or phosphate glass powder.
Described pigment comprises titanium dioxide and white carbon black, and the mass ratio of described titanium dioxide and white carbon black is (1 ~ 3): 1, and in actual fabrication process, titanium dioxide and white carbon black adopt suitable proportion to mix, and have good colouration, covering and weather resistance.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention is the base-material using silicone modified polyester resin as base layer dope and surface coating material, and be aided with other auxiliary agents and be prepared from, in the present invention, silicone modified polyester resin is due to its excellent heat resisting temperature, to excellent adhesion and the processibility of metal material, excellent solvent resistance and good high hot hardness etc., can be used for being sprayed on iron material, the metallic surface such as aluminium or stainless steel, and be widely used in petroleum refinement stove, aluminium refines stove, engine exhaust system, silencer for motor vehicles etc. are on the heat-stable material under hot operation state for a long time.
(2) silicone modified polyester resin that the present invention relates to is as properties-correcting agent by silicone resin, obtain through polycondensation with saturated polyester resin, in the present invention, silicone modified polyester resin has the advantage of silicone resin and saturated polyester resin concurrently, there is good resistance toheat, under normal circumstances, the high temperature resistant temperature of silicone modified polyester resin is 180 ~ 250 DEG C.
(3) in the present invention, silicone resin and saturated polyester resin adopt 1:(0.1 ~ 0.4) mass ratio react obtained silicone modified polyester resin, silicone resin content is more, assessment is carried out to its film thing known, by this coating composition spray obtain its thermotolerance of class coating material and hot hardness better, therefore, be applicable to petroleum refinement stove, aluminium refine stove, product that engine exhaust system, silencer for motor vehicle etc. are under hot operation state for a long time time best results.
(4) filler that the present invention selects has glass powder, talcum powder, aluminium powder etc. can strengthen the composition of the resistance to elevated temperatures of coating, anti crack performance and corrosion resistance nature, and prepare by suitable proportion, fully taken into account the overlay film situation of various filler to base layer dope and surface coating material, practical effect is good.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 30%; Filler: 20%;
Silicone coupling agents: 1%; Phthalate: 0.5%;
Xylene solvent: 48.5%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 40%; Pigment: 10%;
Polyamide curing agent: 5%; Filler: 10%;
Silicone coupling agents: 1.2%; Xylene solvent: 33.8%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: by silicone resin as properties-correcting agent, obtains through polycondensation with saturated polyester resin, and wherein, the mass ratio of silicone resin and saturated polyester resin is: 1:0.1.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 1:1.
Filler: comprise lead glass powder, chromium sesquioxide and china clay, by weight percentage, lead glass powder is 15%, chromium sesquioxide is 2%, china clay is 3%.
Embodiment 2:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 50%; Filler: 46%;
Silicone coupling agents: 2%; Phthalate: 1%;
Xylene solvent: 1%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 60%; Pigment: 15%;
Polyamide curing agent: 7%; Filler: 15%;
Silicone coupling agents: 1.8%; Xylene solvent: 1.2%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: by silicone resin as properties-correcting agent, obtains through polycondensation with saturated polyester resin, and wherein, the mass ratio of silicone resin and saturated polyester resin is: 1:0.4.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 3:1.
Filler: comprise boron glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, boron glass powder is 30%, chromium sesquioxide is 3%, china clay is 4%, aluminium powder is 8%, talcum powder is 1%.
Embodiment 3:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 45%; Filler: 46%;
Silicone coupling agents: 1.5%; Phthalate: 0.5%;
Xylene solvent: 7%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 55%; Pigment: 12%;
Polyamide curing agent: 6%; Filler: 14%;
Silicone coupling agents: 1.5%; Xylene solvent: 11.5%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: by silicone resin as properties-correcting agent, obtains through polycondensation with saturated polyester resin, and wherein, the mass ratio of silicone resin and saturated polyester resin is: 1:0.3.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 2:1.
Filler: comprise phosphate glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, phosphate glass powder is 29%, chromium sesquioxide is 2%, china clay is 3%, aluminium powder is 10%, talcum powder is 2%.
Embodiment 4:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 40%; Filler: 30%;
Silicone coupling agents: 1.5%; Phthalate: 1%;
Xylene solvent: 27.5%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 40%; Pigment: 10%;
Polyamide curing agent: 5%; Filler: 10%;
Silicone coupling agents: 1.2%; Xylene solvent: 33.8%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: solid content is 55%, proportion is 1.08, and acid number is 2mgKOH/g.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 1:1.
Filler: comprise boron glass powder, chromium sesquioxide and china clay, by weight percentage, boron glass powder is 19%, chromium sesquioxide is 5%, china clay is 6%.
Embodiment 5:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 50%; Filler: 46%;
Silicone coupling agents: 1%; Phthalate: 0.5%;
Xylene solvent: 2.5%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 60%; Pigment: 15%;
Polyamide curing agent: 7%; Filler: 15%;
Silicone coupling agents: 1.8%; Xylene solvent: 1.2%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: solid content is 65%, proportion is 1.14, and acid number is 10mgKOH/g.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 3:1.
Filler: comprise lead glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, lead glass powder is 30%, chromium sesquioxide is 3%, china clay is 4%, aluminium powder is 8%, talcum powder is 1%.
Embodiment 6:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 35%; Filler: 46%;
Silicone coupling agents: 1.2%; Phthalate: 0.8%;
Xylene solvent: 17%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 50%; Pigment: 13%;
Polyamide curing agent: 6%; Filler: 11%;
Silicone coupling agents: 1.6%; Xylene solvent: 18.4%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: solid content is 60%, proportion is 1.11, and acid number is 6mgKOH/g.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 1.5:1.
Filler: comprise phosphate glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, phosphate glass powder is 9%, chromium sesquioxide is 2%, china clay is 3%, aluminium powder is 10%, talcum powder is 2%.
Embodiment 7:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 45%; Filler: 46%;
Silicone coupling agents: 1.5%; Phthalate: 0.8%;
Xylene solvent: 6.7%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 45%; Pigment: 15%;
Polyamide curing agent: 6%; Filler: 13%;
Silicone coupling agents: 1.5%; Xylene solvent: 19.5%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: by silicone resin as properties-correcting agent, obtain through polycondensation with saturated polyester resin, wherein, the mass ratio of silicone resin and saturated polyester resin is: 1:0.2, the solid content of obtained silicone modified polyester resin is 60%, proportion is 1.11, and acid number is 8mgKOH/g.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 2:1.
Filler: comprise lead glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, lead glass powder is 30%, chromium sesquioxide is 3%, china clay is 4%, aluminium powder is 8%, talcum powder is 1%.
Embodiment 8:
The anti weathering steel that the present embodiment relates to adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, wherein, base layer dope is coated on the top layer of pre-coating film steel plate, and forms basic unit's film, by weight percentage, base layer dope comprises following component:
Silicone modified polyester resin: 40%; Filler: 46%;
Silicone coupling agents: 1.2%; Phthalate: 0.6%;
Xylene solvent: 12.2%.
Surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 55%; Pigment: 12%;
Polyamide curing agent: 5%; Filler: 15%;
Silicone coupling agents: 1.2%; Xylene solvent: 11.8%.
Below further describing that above-mentioned component is formed:
Silicone modified polyester resin: by silicone resin as properties-correcting agent, obtain through polycondensation with saturated polyester resin, wherein, the mass ratio of silicone resin and saturated polyester resin is: 1:0.1, the solid content of obtained silicone modified polyester resin is 65%, proportion is 1.10, and acid number is 9mgKOH/g.
Pigment: comprise titanium dioxide and white carbon black, wherein, the mass ratio of titanium dioxide and white carbon black is 1:1.
Filler: comprise boron glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, boron glass powder is 9%, chromium sesquioxide is 2%, china clay is 3%, aluminium powder is 10%, talcum powder is 2%.
The anti weathering steel prepared by above-described embodiment 1 ~ 8 carries out hardness, hot hardness, resistance toheat, acid resistance and alkali resistance and detects, and test result is in table 1.
Table 1
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (8)
1. an anti weathering steel, described anti weathering steel adopts base layer dope and surface coating material successively through coating, baking and obtaining by pre-coating film steel plate, it is characterized in that: described base layer dope is coated on the top layer of pre-coating film steel plate, and form basic unit's film, by weight percentage, described base layer dope comprises following component:
Silicone modified polyester resin: 30 ~ 50%, filler: 20 ~ 46%,
Silicone coupling agents: 1 ~ 2%, phthalate: 0.5 ~ 1%,
Xylene solvent: 1 ~ 48.5%;
Described surface coating material is coated on the top layer of basic unit's film, and forms top layer film, and by weight percentage, described surface coating material comprises following component:
Silicone modified polyester resin: 40 ~ 60%; Pigment: 10 ~ 15%;
Polyamide curing agent: 5 ~ 7%; Filler: 10 ~ 15%;
Silicone coupling agents: 1.2 ~ 1.8%; Xylene solvent: 1.2 ~ 33.8%.
2. require a kind of anti weathering steel described in 1 according to power, it is characterized in that: described silicone modified polyester resin is as properties-correcting agent by silicone resin, obtain through polycondensation with saturated polyester resin, the mass ratio of described silicone resin and saturated polyester resin is: 1:(0.1 ~ 0.4).
3. require a kind of anti weathering steel described in 1 according to power, it is characterized in that: the solid content of described silicone modified polyester resin is 55 ~ 65%, and proportion is 1.08 ~ 1.14, and acid number is 2 ~ 10mgKOH/g.
4., according to a kind of anti weathering steel that power requires described in 1, it is characterized in that: described filler comprises glass powder, chromium sesquioxide and china clay, by weight percentage, described glass powder is 15 ~ 35%, chromium sesquioxide is 2 ~ 5%, china clay is 3 ~ 6%.
5. a kind of anti weathering steel according to claim 4, it is characterized in that: described filler also comprises aluminium powder and talcum powder, by weight percentage, described filler comprises: the glass powder of 30%, the chromium sesquioxide of 3%, the china clay of 4%, the aluminium powder of 8% and 1% talcum powder.
6. a kind of anti weathering steel according to claim 4, it is characterized in that: described filler also comprises aluminium powder and talcum powder, by weight percentage, described filler comprises: the glass powder of 29%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 10% and 2% talcum powder.
7. a kind of anti weathering steel according to any one of claim 4 ~ 6, is characterized in that: described glass powder is lead glass powder, boron glass powder or phosphate glass powder.
8. a kind of anti weathering steel according to claim 1, is characterized in that: described pigment comprises titanium dioxide and white carbon black, and the mass ratio of described titanium dioxide and white carbon black is (1 ~ 3): 1.
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| CN105440903A (en) * | 2015-12-04 | 2016-03-30 | 成都锦汇科技有限公司 | Preparation method of primer coating for colorful steel plate |
| CN106497407A (en) * | 2016-11-18 | 2017-03-15 | 成都锦汇科技有限公司 | A kind of weatherability color steel sheet |
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| CN104403521B (en) | 2016-12-28 |
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