CN104438025A - Process for preparing heat-resistant steel plate - Google Patents
Process for preparing heat-resistant steel plate Download PDFInfo
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- CN104438025A CN104438025A CN201410740539.0A CN201410740539A CN104438025A CN 104438025 A CN104438025 A CN 104438025A CN 201410740539 A CN201410740539 A CN 201410740539A CN 104438025 A CN104438025 A CN 104438025A
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Abstract
The invention discloses a process for preparing a heat-resistant steel plate. According to the process, bottom paint and surface paint are sprayed and baked on a pre-coating steel plate in sequence, wherein the bottom paint and the surface paint are prepared from organic silicon modified polyester which is used as the binder of a paint composition and other auxiliaries. In the actual application, the organic silicon modified polyester has excellent high-temperature resistant performance, so that the prepared paint composition has better characteristics and can be sprayed on the surfaces of iron, aluminum, or stainless steel and other metals; and moreover, the paint composition is widely applied to heat-resistant materials like a baking tray, an electric frying pan, a barbecue tool.
Description
Technical field
The invention belongs to metal material field, specifically, is a kind of preparation technology of heat resistant type steel plate.
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 formability 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 paint, heat-resisting paint 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 physical property and safeguard function can also be kept, existing patent document CN1583912 (coiled material priming paint coating and method for making thereof, 2005.02.23) disclose one by linear polyester resin or epoxy resin, amino resins, rust resisting pigment, the professional coating of auxiliary agent and solvent composition, when reality uses, because the heat resisting temperature of mylar 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 organic siliconresin also has preferably heat resistance, the basic framework of organic siliconresin 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 antioxidation is also stronger, under normal circumstances, the heat resisting temperature of organic siliconresin is 300 DEG C, be proven, organic siliconresin is except heat resistance, also show excellent weatherability, pollution resistance, pull out water-based, the performance such as cold resistance 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 hardening 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 organic siliconresin, for the coating problems of steel plate, simultaneously, also need this high performance material more existing mylar or epoxy resin can have higher heat resistance.
Summary of the invention
The object of the present invention is to provide a kind of preparation technology of heat resistant type steel plate, this preparation technology adopts base layer dope and surface coating material to carry out coating and baking successively on pre-coating film steel plate, wherein, the base layer dope used and surface coating material are 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 metal surface such as aluminium or stainless steel, and be widely used in baking tray, on the heat proof material such as electric frying pan and barbecue utensil.
The present invention is achieved through the following technical solutions: a kind of preparation technology of heat resistant type steel plate, and described heat-resisting steel sheet and plate adopts base layer dope and surface coating material successively through coating, baking and obtain by pre-coating film steel plate, described coating, toasts and comprises 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.
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 ester: 0.5 ~ 1%,
Solvent: 1 ~ 48.5%;
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 processability, excellent solvent resistance and good high red 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 proof materials such as baking tray, electric frying pan and barbecue utensil.
Described silicone modified polyester resin is as modifier by organic siliconresin, obtain through polycondensation reaction with saturated polyester resin, in the present invention, silicone modified polyester resin has the advantage of organic siliconresin and saturated polyester resin concurrently, there is good heat resistance, 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 organic siliconresin content represents when decide base layer dope or surface coating material film, resistance to impact and heat resistance, for better solving described problem, the mass ratio of described organic siliconresin 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 silica, the mass ratio of described barium sulfate, calcium carbonate, talcum powder and silica is (1 ~ 2): (1.5 ~ 3): (2 ~ 4): 1, the barium sulfate that the present invention relates to, calcium carbonate, talcum powder and silica are technical grade, have the characteristic increasing hardness, improve component wearability.
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 dissolubility 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, and the mass ratio of described titanium dioxide and white carbon is (1 ~ 3): 1, and in actual fabrication process, titanium dioxide and white carbon adopt proper 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 the excellent adhesion of metal material and processability, excellent solvent resistance and good high red hardness etc., can be used for being sprayed on the metal surfaces such as iron material, aluminium or stainless steel, and be widely used on the heat proof materials such as baking tray, electric frying pan and barbecue utensil.
(2) silicone modified polyester resin that the present invention relates to is as modifier by organic siliconresin, obtain through polycondensation reaction with saturated polyester resin, in the present invention, silicone modified polyester resin has the advantage of organic siliconresin and saturated polyester resin concurrently, there is good heat resistance, under normal circumstances, the high temperature resistant temperature of silicone modified polyester resin is 180 ~ 250 DEG C.
(3) in the present invention, organic siliconresin and saturated polyester resin adopt 1:(0.1 ~ 0.4) mass ratio react obtained silicone modified polyester resin, organic siliconresin content is more, assessment is carried out to its film thing known, by this coating composition spray obtain its heat resistance of class coating material and red hardness better, therefore, best results when being applicable to the heat proof 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 dissolubility having fully taken into account mixed solvent is on the impact of silicone modified polyester resin and other auxiliary agents, practical effect is good.
Detailed description of the invention
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 ester: 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 organic siliconresin as modifier, obtains through polycondensation reaction with saturated polyester resin, and wherein, the mass ratio of organic siliconresin and saturated polyester resin is: 1:0.1.
Pigment: comprise titanium dioxide and white carbon, wherein, the mass ratio of titanium dioxide and white carbon is 1:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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 organic siliconresin as modifier, obtains through polycondensation reaction with saturated polyester resin, and wherein, the mass ratio of organic siliconresin and saturated polyester resin is: 1:0.4.
Pigment: comprise titanium dioxide and white carbon, wherein, the mass ratio of titanium dioxide and white carbon is 3:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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 organic siliconresin as modifier, obtains through polycondensation reaction with saturated polyester resin, and wherein, the mass ratio of organic siliconresin and saturated polyester resin is: 1:0.3.
Pigment: comprise titanium dioxide and white carbon, wherein, the mass ratio of titanium dioxide and white carbon is 2:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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, wherein, the mass ratio of titanium dioxide and white carbon is 1:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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, wherein, the mass ratio of titanium dioxide and white carbon is 3:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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, wherein, the mass ratio of titanium dioxide and white carbon is 1.5:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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 organic siliconresin as modifier, obtain through polycondensation reaction with saturated polyester resin, wherein, the mass ratio of organic siliconresin 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, wherein, the mass ratio of titanium dioxide and white carbon is 2:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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 ester: 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 organic siliconresin as modifier, obtain through polycondensation reaction with saturated polyester resin, wherein, the mass ratio of organic siliconresin 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, wherein, the mass ratio of titanium dioxide and white carbon is 1:1.
Filler: comprise barium sulfate, calcium carbonate, talcum powder and silica, wherein, the mass ratio of barium sulfate, calcium carbonate, talcum powder and silica 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, red hardness and heat resistance, 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 (7)
1. a preparation technology for heat resistant type steel plate, is characterized in that: described heat-resisting steel sheet and plate adopts base layer dope and surface coating material successively through coating, baking and obtain by pre-coating film steel plate, described coating, toasts and comprises 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.
2. the preparation technology of a kind of heat resistant type steel plate according to claim 1, it is characterized in that: 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 ester: 0.5 ~ 1%,
Solvent: 1 ~ 48.5%;
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%.
3. the preparation technology of a kind of heat resistant type steel plate according to claim 2, it is characterized in that: described silicone modified polyester resin is as modifier by organic siliconresin, obtain through polycondensation reaction with saturated polyester resin, the mass ratio of described organic siliconresin and saturated polyester resin is: 1:(0.1 ~ 0.4).
4. the preparation technology of a kind of heat resistant type steel plate according to claim 2, 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.
5. the preparation technology of a kind of heat resistant type steel plate according to claim 2, it is characterized in that: described filler comprises barium sulfate, calcium carbonate, talcum powder and silica, the mass ratio of described barium sulfate, calcium carbonate, talcum powder and silica is (1 ~ 2): (1.5 ~ 3): (2 ~ 4): 1.
6. the preparation technology of a kind of heat resistant type steel plate according to claim 2, 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).
7. the preparation technology of a kind of heat resistant type steel plate according to claim 2, is characterized in that: described pigment comprises titanium dioxide and white carbon, and the mass ratio of described titanium dioxide and white carbon is (1 ~ 3): 1.
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| CN201410740539.0A CN104438025A (en) | 2014-12-08 | 2014-12-08 | Process for preparing heat-resistant steel plate |
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| CN105167571A (en) * | 2015-10-30 | 2015-12-23 | 郑州轻工业学院 | High-efficiency cooking device by means of infrared heating |
| 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 |
| CN106590415A (en) * | 2016-11-18 | 2017-04-26 | 成都锦汇科技有限公司 | Preparation process of weather-resisting colored steel plate |
| CN106634585A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Weather-resistant colored steel plate coating and preparation method thereof |
| CN106634584A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Method for preparing coating for colored anti-weathering steel |
| CN111117478A (en) * | 2019-12-09 | 2020-05-08 | 华南农业大学 | UV composite coating for digital jet printing on surface of wood substrate and preparation method and application thereof |
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| CN103881104A (en) * | 2014-01-22 | 2014-06-25 | 杭州吉华高分子材料有限公司 | Preparation method and applications of modified polyester resin |
| CN104497805A (en) * | 2014-12-08 | 2015-04-08 | 成都锦汇科技有限公司 | Heat-resistant steel plate and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105167571A (en) * | 2015-10-30 | 2015-12-23 | 郑州轻工业学院 | High-efficiency cooking device by means of infrared heating |
| 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 |
| CN106590415A (en) * | 2016-11-18 | 2017-04-26 | 成都锦汇科技有限公司 | Preparation process of weather-resisting colored steel plate |
| CN106634585A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Weather-resistant colored steel plate coating and preparation method thereof |
| CN106634584A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Method for preparing coating for colored anti-weathering steel |
| CN111117478A (en) * | 2019-12-09 | 2020-05-08 | 华南农业大学 | UV composite coating for digital jet printing on surface of wood substrate and preparation method and application thereof |
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Application publication date: 20150325 |