CN104497805A - Heat-resistant steel plate and preparation process thereof - Google Patents
Heat-resistant steel plate and preparation process thereof Download PDFInfo
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- CN104497805A CN104497805A CN201410739819.XA CN201410739819A CN104497805A CN 104497805 A CN104497805 A CN 104497805A CN 201410739819 A CN201410739819 A CN 201410739819A CN 104497805 A CN104497805 A CN 104497805A
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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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
- 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
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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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
- C08K3/34—Silicon-containing compounds
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C09D7/20—Diluents or solvents
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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
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
Abstract
The invention discloses a heat-resistant steel plate and a preparation process thereof. According to the preparation process, a base coating and a surface coating are sequentially coated and baked on a pre-coated steel plate; the used base coating and surface coating are prepared from organosilicone-modified polyester resin serving as a base material of a coating composition and assisted by other assistants. In practical use, the organosilicone-modified polyester resin has relatively good high-temperature resistance; therefore, the prepared coating composition has relatively good property, can be sprayed on metal surfaces of iron materials, aluminum products or stainless steel, and can be widely applied to heat-resistant materials of baking trays, electric frying pans, barbecue pits and the like.
Description
Technical field
The invention belongs to metal material field, specifically, is a kind of heat-resisting steel sheet and plate and preparation technology thereof.
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 heat-resisting steel sheet and plate, this heat-resisting steel sheet and plate 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 baking tray, on the heat-stable material such as electric frying pan and barbecue utensil.
Another object of the present invention is the preparation technology being to provide a kind of heat-resisting steel sheet and plate, present method preparation process is simple, main employing, using silicone modified polyester resin as the base layer dope of base-material and surface coating material, pre-coating film steel plate carries out coating and baking successively, and operating process is simple, quick.
The present invention is achieved through the following technical solutions: a kind of heat-resisting steel sheet and plate, described heat-resisting steel sheet and plate 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%,
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 the excellent adhesion of metal material and processibility, excellent solvent resistance and good high hot hardness etc., can be used for being sprayed on the pre-coating film metallic surfaces such as iron material, aluminium or stainless steel, and be widely used on the heat-stable materials such as baking tray, electric frying pan and barbecue utensil.
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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, the mass ratio of described barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is (1 ~ 2): (1.5 ~ 3): (2 ~ 4): 1, the barium sulfate that the present invention relates to, calcium carbonate, talcum powder and silicon-dioxide are technical grade, have the characteristic increasing hardness, improve component wear resistance.
To better implement the present invention, described solvent comprises butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is (1 ~ 1.5): 1:(2.5 ~ 3.2), the solvent that the present invention adopts is mixed solvent, and the solvability fully taking into account mixed solvent is on the impact of silicone modified polyester resin and other auxiliary agents.
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 invention allows for a kind of preparation technology of heat-resisting steel sheet and plate, comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 3 ~ 8 μm, has applied rear feeding electric furnace and has toasted, after baking 1 ~ 3h, obtains basic unit's film steel plate;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 5 ~ 15 μm, has applied rear feeding electric furnace and has toasted, after baking 2.5 ~ 6h, takes out and is cooled to room temperature, obtaining heat resistant type steel plate.
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 the excellent adhesion of metal material and processibility, excellent solvent resistance and good high hot hardness etc., can be used for being sprayed on the metallic surfaces such as iron material, aluminium or stainless steel, and be widely used on the heat-stable materials such as baking tray, electric frying pan and barbecue utensil.
(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, best results when being applicable to the heat-stable materials such as baking tray, electric frying pan and barbecue utensil.
(4) solvent that the present invention adopts is mixed solvent, adopt mass ratio (1 ~ 1.5): 1:(2.5 ~ 3.2) the mixing of butyl ether, butyl ester and butanols obtained, and the solvability having fully taken into account mixed solvent is on the impact of silicone modified polyester resin and other auxiliary agents, 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 heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 1:1.5:2:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1:1:2.5.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 3 μm, has applied rear feeding electric furnace and has toasted, after toasting 1h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 5 μm, has applied rear feeding electric furnace and has toasted, after toasting 2.5h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 2:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 2:3:4:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1.5:1:3.2.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 8 μm, has applied rear feeding electric furnace and has toasted, after toasting 3h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 15 μm, has applied rear feeding electric furnace and has toasted, after toasting 6h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 3:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 1.5:2:3:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1.2:1:2.9.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 5 μm, has applied rear feeding electric furnace and has toasted, after toasting 2h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 10 μm, has applied rear feeding electric furnace and has toasted, after toasting 4h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 4:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 1:1.5:2:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1:1:2.5.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 3 μm, has applied rear feeding electric furnace and has toasted, after toasting 1h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 5 μm, has applied rear feeding electric furnace and has toasted, after toasting 2.5h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 5:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 2:3:4:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1.5:1:3.2.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 8 μm, has applied rear feeding electric furnace and has toasted, after toasting 3h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 15 μm, has applied rear feeding electric furnace and has toasted, after toasting 6h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 6:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 1.5:2.5:3:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1.3:1:3.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 6 μm, has applied rear feeding electric furnace and has toasted, after toasting 2h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 12 μm, has applied rear feeding electric furnace and has toasted, after toasting 4h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 7:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 1:2:2:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1:1:3.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 4 μm, has applied rear feeding electric furnace and has toasted, after toasting 2h, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 8 μm, has applied rear feeding electric furnace and has toasted, after toasting 4h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
Embodiment 8:
The heat-resisting steel sheet and plate 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%;
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%; 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 barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is 1.5:2.5:2.5:1.
Solvent: comprise butyl ether, butyl ester and butanols, the mass ratio of described butyl ether, butyl ester and butanols is 1.2:1:2.8.
The preparation technology of the heat-resisting steel sheet and plate that the present embodiment relates to is as follows:
Adopt base layer dope and surface coating material successively through coating, baking and obtain primarily of pre-coating film steel plate, wherein, coating, toast and comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 5 μm, has applied rear feeding electric furnace and has toasted, after toasting 2, obtains basic unit's film steel plate at the temperature of 180 DEG C;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 12 μm, has applied rear feeding electric furnace and has toasted, after toasting 5.5h, taken out and be cooled to room temperature at the temperature of 180 DEG C, obtains heat resistant type steel plate.
The heat-resisting steel sheet and plate prepared by above-described embodiment 1 ~ 8 carries out the detection of hardness, hot hardness and resistance toheat, 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 (6)
1. a heat-resisting steel sheet and plate, described heat-resisting steel sheet and plate 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%,
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%,
Described silicone modified polyester resin is by silicone resin as properties-correcting agent, obtains through polycondensation with saturated polyester resin, and the mass ratio of described silicone resin and saturated polyester resin is: 1:(0.1 ~ 0.4).
2. a kind of heat-resisting steel sheet and plate according to claim 1, 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.
3. a kind of heat-resisting steel sheet and plate according to claim 1, it is characterized in that: described filler comprises barium sulfate, calcium carbonate, talcum powder and silicon-dioxide, the mass ratio of described barium sulfate, calcium carbonate, talcum powder and silicon-dioxide is (1 ~ 2): (1.5 ~ 3): (2 ~ 4): 1.
4. a kind of heat-resisting steel sheet and plate according to claim 1, is characterized in that: described solvent comprises butyl ether, butyl ester and butanols, and the mass ratio of described butyl ether, butyl ester and butanols is (1 ~ 1.5): 1:(2.5 ~ 3.2).
5. a kind of heat-resisting steel sheet and plate 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.
6. the preparation technology of a kind of heat-resisting steel sheet and plate according to any one of Claims 1 to 5, is characterized in that: comprise the steps:
A: use base layer dope to be coated on the top layer of pre-coating film steel plate, coating thickness is 3 ~ 8 μm, has applied rear feeding electric furnace and has toasted, after baking 1 ~ 3h, obtains basic unit's film steel plate;
B: use surface coating material to be coated on the top layer of basic unit's film steel plate, coating thickness is 5 ~ 15 μm, has applied rear feeding electric furnace and has toasted, after baking 2.5 ~ 6h, takes out and is cooled to room temperature, obtaining heat resistant type steel plate.
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Application publication date: 20150408 |