CN104479510A - Paint composition for high-temperature-resistant steel plates - Google Patents
Paint composition for high-temperature-resistant steel plates Download PDFInfo
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- CN104479510A CN104479510A CN201410740542.2A CN201410740542A CN104479510A CN 104479510 A CN104479510 A CN 104479510A CN 201410740542 A CN201410740542 A CN 201410740542A CN 104479510 A CN104479510 A CN 104479510A
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- Prior art keywords
- polyester resin
- modified polyester
- coating composition
- silicone
- mass ratio
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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
-
- 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
-
- 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
- C09D7/65—Additives macromolecular
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a paint composition for high-temperature-resistant steel plates, which comprises the following components in percentage by weight: 40-60% of organosilicon modified polyester resin, 10-15% of pigment, 5-7% of polyamide curing agent, 10-15% of filler, 1.2-1.8% of siloxane coupling agent and 1.2-33.8% of solvent. The paint composition is prepared by using the organosilicon modified polyester resin as the base material and other assistants as auxiliary materials. When the paint composition is in practical use, since the organosilicon modified polyester resin has excellent high temperature resistance, the paint composition composed of the organosilicon modified polyester resin has favorable properties, can be sprayed on the surface of iron, aluminum, stainless steel or other metals and can be widely used on roasters, electric frying pans, baking devices and other heat-resistant materials.
Description
Technical field
The invention belongs to the field of coating of metallic substance, specifically, is heat-resisting steel sheet and plate coating composition.
Background technology
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, simultaneously, more existing vibrin or epoxy resin is also needed to have higher thermotolerance.
Summary of the invention
The object of the present invention is to provide heat-resisting steel sheet and plate coating composition, the present invention adopts silicone modified polyester resin as the base-material of 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, the metallic surfaces such as iron material, aluminium or stainless steel can be sprayed on, and be widely used on the heat-stable materials such as baking tray, electric frying pan and barbecue utensil.
The present invention is achieved through the following technical solutions: heat-resisting steel sheet and plate coating composition, and by weight percentage, described coating composition 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 present invention is the base-material using silicone modified polyester resin as coating composition, 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 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 coating composition 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 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.
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.
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 coating composition, 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 coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 2:
The coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 3:
The coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 4:
The coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 5:
The coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 6:
The coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 7:
The coating composition that the present embodiment relates to, by weight percentage, 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.
Embodiment 8:
The coating composition that the present embodiment relates to, by weight percentage, 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 coating composition that above-described embodiment 1 ~ 8 prepares is sprayed on steel plate or tinplate, is placed in cabinet-type electric furnace, adopt heating schedule to be warming up to 250 DEG C, to take out and after being cooled to room temperature, carry out resistance toheat and hardness test, 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. heat-resisting steel sheet and plate coating composition, is characterized in that: by weight percentage, and described coating composition 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%.
2. heat-resisting steel sheet and plate coating composition according to claim 1, 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. heat-resisting steel sheet and plate coating composition 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.
4. the heat-resisting steel sheet and plate coating composition according to any one of claims 1 to 3, 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.
5. the heat-resisting steel sheet and plate coating composition according to any one of claims 1 to 3, 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.
6. the heat-resisting steel sheet and plate coating composition according to any one of claims 1 to 3, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740542.2A CN104479510A (en) | 2014-12-08 | 2014-12-08 | Paint composition for high-temperature-resistant steel plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740542.2A CN104479510A (en) | 2014-12-08 | 2014-12-08 | Paint composition for high-temperature-resistant steel plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104479510A true CN104479510A (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410740542.2A Pending CN104479510A (en) | 2014-12-08 | 2014-12-08 | Paint composition for high-temperature-resistant steel plates |
Country Status (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834177A (en) * | 2005-03-16 | 2006-09-20 | 嘉善维克托塑化有限公司 | High temp resistant electrostatic powdered paint and prodn. technique |
| CN102618166A (en) * | 2012-03-27 | 2012-08-01 | 山东大学 | Electric arc sprayed aluminum coating sealant resistant to high-temperature alkali steam corrosion and usage method thereof |
| 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 |
-
2014
- 2014-12-08 CN CN201410740542.2A patent/CN104479510A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834177A (en) * | 2005-03-16 | 2006-09-20 | 嘉善维克托塑化有限公司 | High temp resistant electrostatic powdered paint and prodn. technique |
| CN102618166A (en) * | 2012-03-27 | 2012-08-01 | 山东大学 | Electric arc sprayed aluminum coating sealant resistant to high-temperature alkali steam corrosion and usage method thereof |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 陈平等: "《高分子合成材料学（上）》", 31 January 2005, 化学工业出版社 * |
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