CN104962169A - High-temperature-resistant epoxy resin powder coating - Google Patents
High-temperature-resistant epoxy resin powder coating Download PDFInfo
- Publication number
- CN104962169A CN104962169A CN201510357194.5A CN201510357194A CN104962169A CN 104962169 A CN104962169 A CN 104962169A CN 201510357194 A CN201510357194 A CN 201510357194A CN 104962169 A CN104962169 A CN 104962169A
- Authority
- CN
- China
- Prior art keywords
- parts
- epoxy resin
- powder coating
- temperature
- resistant epoxy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a high-temperature-resistant epoxy resin powder coating. The coating is composed of, by weight, 20-40 parts of nanometer SiO2 epoxy resin, 1-3 parts of low-melting-point glass powder, 1-5 parts of curing agents, 1-5 parts of fire retardant, 10-30 parts of mica powder, 10-30 parts of calcium silicate, 0.1-1 part of degassing agent, 0.1-1 part of flatting agent, 1-10 parts of chromium copper paint and 0.1-1 part of antioxidant. Compared with an organic silicon powder coating, the high-temperature-resistant epoxy resin powder coating is lower in cost, has excellent heat-resistant capacity and insulating property, and can be widely applied to coating of household appliances and electrical insulating materials.
Description
Technical field
The invention belongs to technical field of chemical paint, relate to a kind of powder coating, be specifically related to a kind of high-temperature-resistant epoxy resin powder coating.
Background technology
Powder coating and water-borne coatings all have safety, environmental protection, free of contamination advantage and dark liking by market, but both deposit very large difference, the key distinction has: different from water-borne coatings, and powder coating is not using solvent as dispersion medium, but the solid powdery coating of 100%.Powder coating VOC free, water-borne coatings is then containing a small amount of VOC; The auxiliary agent that powder coating uses is little, and mostly is Powdered auxiliary agent, and water-borne coatings uses liquid flux mostly; Powder coating coating is thicker, and can reach more than 60 μm by disposable spray finishing thickness, and water-borne coatings needs spraying repeatedly just can reach this thickness, and thus powder coating is higher than water-borne coatings in operating efficiency, and more energy-conservation; The powder coating scope of application relate to household electrical appliances, metal device, automobile finish in the majority, the water-borne coatings scope of application then more relates to furniture metope, wood lacquer aspect.
Heat resistant powder coating refers to and can stand more than 200 DEG C high temperature for a long time, film nondiscoloration, does not destroy, and still can keep the protective powder coatings of suitable physical mechanical property.Under normal circumstances, Heat Resistant Powder Coatings forms primarily of fire resistant resin, high-temperature resisting pigment, high temperature resistant filler and special efficacy auxiliary agent.
At present, heat resistant powder coating is still based on organosilicon powder coating, although the resistance toheat of organosilicon powder coating is higher, but its price is high, poorly, solidification value is high, and the film that will obtain resistance to more than 400 DEG C high temperature is for a long time quite difficult for initial stage outward appearance and mechanical property.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the epoxy powder coating that a kind of flat appearance is smooth, resistance toheat is good is provided.
Above-mentioned purpose of the present invention is achieved by the following scheme:
A kind of high-temperature-resistant epoxy resin powder coating, component and the parts by weight of described powder coating are as follows:
Nano-meter SiO_2
2epoxy resin 20 ~ 40 parts
Glass powder with low melting point 1 ~ 3 part
1 ~ 5 part, solidifying agent
Fire retardant 1 ~ 5 part
Mica powder 10 ~ 30 parts
Calucium Silicate powder 10 ~ 30 parts
Air release agent 0.1 ~ 1 part
Flow agent 0.1 ~ 1 part
Chromium-copper pigment 1 ~ 10 part
0.1 ~ 1 part, oxidation inhibitor.
On the basis of technique scheme, a kind of component and parts by weight of high-temperature-resistant epoxy resin powder coating are as follows:
Nano-meter SiO_2
2epoxy resin 30 parts
Glass powder with low melting point 2 parts
2 parts, solidifying agent
Fire retardant 2 parts
Mica powder 20 parts
Calucium Silicate powder 20 parts
Air release agent 0.5 part
Flow agent 0.5 part
Chromium-copper pigment 3 parts
0.5 part, oxidation inhibitor.
Above-mentioned Nano-meter SiO_2
2epoxy resin prepares by the following method: the Nano-meter SiO_2 of will dry under whipped state
2be added in the acetone soln of coupling agent, then use ultrasonication 10 ~ 20 min, then desolvation after this solution and epoxy resin are stirred, be warming up to 130 DEG C of reaction 1 h, after cooling.
Further, above-mentioned solidifying agent is trimellitic anhydride-imidazate; Above-mentioned glass powder with low melting point is that raw material is prepared from by silicon oxide, sodium oxide, potassium oxide, boron oxide; Fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, and the weight ratio of magnesium hydroxide and aluminium hydroxide is 1:1.
Above-mentioned air release agent is st-yrax, can eliminate the disadvantages such as the pin hole bubble that coating produces in the curing process, can also mixing good in flow agent, improves film coated surface tension force, regulates film coated surface levelling.
Above-mentioned flow agent is butyl cellulose or Walocel MT 20.000PV, and film has fabulous levelling, improves coating film gloss and vividness, eliminates the defects such as shrinkage cavity pin hole, reduces tangerine peel; Above-mentioned oxidation inhibitor is composite antioxidant JY-215 or composite antioxidant JY-220.
Compared with prior art, the beneficial effect that the present invention has is:
Epoxy powder coating of the present invention cost compared with organosilicon powder coating is more cheap, resistance toheat of the present invention is good, there is good weathering resistance, flow leveling, and surface gloss is very high after spray coating, substantially increase the surface decoration of sprayed product, the coating of the high temperature position of household electrical appliances and mechanical means can be widely used in.Meanwhile, the present invention also has good flame retardant properties, also can be used for the coating of insulating material aspect.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment only understands the present invention for helping, and should not be considered as concrete restriction of the present invention.
As no specific instructions, various raw material of the present invention all can be obtained by commercially available; Or prepare according to the ordinary method of this area.Unless otherwise defined or described herein, all specialties used herein and scientific words and art technology skillfully the person of entering the same meaning be familiar with.In addition any method similar or impartial to described content and material all can be applicable in the inventive method.
Unless otherwise indicated, all specialties used herein and scientific words and those skilled in the art the same meaning be familiar with.
In addition any method similar or impartial to described content and material all can be applicable in the inventive method.
embodiment 1
A kind of formula of high-temperature-resistant epoxy resin powder coating is as follows:
Nano-meter SiO_2
2epoxy resin 30 parts
Glass powder with low melting point 2 parts
2 parts, solidifying agent
Fire retardant 2 parts
Mica powder 20 parts
Calucium Silicate powder 20 parts
Air release agent 0.5 part
Flow agent 0.5 part
Chromium-copper pigment 3 parts
0.5 part, oxidation inhibitor.
In formula, solidifying agent is trimellitic anhydride-imidazate, fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, and the weight ratio of magnesium hydroxide and aluminium hydroxide is 1:1, and air release agent is st-yrax, flow agent is Walocel MT 20.000PV, and oxidation inhibitor is composite antioxidant JY-215.
Preparation steps is as follows:
(1) weigh material according to above-mentioned formula, and pre-mixing is carried out to the raw material taken;
(2) material of pre-mixing is melt extruded;
(3) the above-mentioned material extruded is cooled, carry out coarse reduction subsequently, obtain uniform flap;
(4) carry out the broken and classification of fine powder to the material of coarse reduction to sieve and obtain product.
embodiment 2
A kind of formula of high-temperature-resistant epoxy resin powder coating is as follows:
Nano-meter SiO_2
2epoxy resin 40 parts
Glass powder with low melting point 3 parts
5 parts, solidifying agent
Fire retardant 5 parts
Mica powder 30 parts
Calucium Silicate powder 30 parts
Air release agent 1 part
Flow agent 1 part
Chromium-copper pigment 5 parts
1 part, oxidation inhibitor.
In formula, selecting of each component is same as embodiment 1 with preparation method.
embodiment 3
A kind of formula of high-temperature-resistant epoxy resin powder coating is as follows:
Nano-meter SiO_2
2epoxy resin 20 parts
Glass powder with low melting point 1 part
1 part, solidifying agent
Fire retardant 1 part
Mica powder 10 parts
Calucium Silicate powder 10 parts
Air release agent 0.1 part
Flow agent 0.1 part
Chromium-copper pigment 1 part
0.1 part, oxidation inhibitor.
In formula, selecting of each component is same as embodiment 1 with preparation method.
By as shown in the table for the performance perameter of the condition of cure of high-temperature-resistant epoxy resin powder coating and the film of formation in embodiment 1-3:
| Condition of cure and performance test | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Condition of cure | 200℃×10min | 200℃×10min | 200℃×10min |
| Shock strength | 490N*cm | 490N*cm | 490N*cm |
| Drawing test | 7mm | 7mm | 7mm |
| Pencil hardness | 2H | 2H | 2H |
| Resistance to 5% hydrochloric acid | 240h | 240h | 240h |
| Resistance to 5%NaOH | 240 | 240 | 240 |
| Salt spray resistance | 500h | 500h | 500h |
| Thermotolerance | 400 degree of lower long-time, nothing cracking, bubblings, color has slight change | 450 degree are descended for a long time, less than 500 degree short period of time, color had slight change without cracking, bubbling | 450 degree are descended for a long time, less than 500 degree short period of time, color had slight change without cracking, bubbling |
| Be exposed to the sun and protect light rate in 12 months in open air | 97% | 97% | 97% |
| Oxygen index | 40% | 38% | 36% |
As can be known from the above table, the resistance toheat of high-temperature-resistant epoxy resin powder coating of the present invention and insulativity well, can be widely used in the coating of household electrical appliances high temperature position and insulating material aspect.
Claims (9)
1. a high-temperature-resistant epoxy resin powder coating, is characterized in that, component and the parts by weight of described powder coating are as follows:
Nano-meter SiO_2
2epoxy resin 20 ~ 40 parts
Glass powder with low melting point 1 ~ 3 part
1 ~ 5 part, solidifying agent
Fire retardant 1 ~ 5 part
Mica powder 10 ~ 30 parts
Calucium Silicate powder 10 ~ 30 parts
Air release agent 0.1 ~ 1 part
Flow agent 0.1 ~ 1 part
Chromium-copper pigment 1 ~ 10 part
0.1 ~ 1 part, oxidation inhibitor.
2. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that, component and the parts by weight of described powder coating are as follows:
Nano-meter SiO_2
2epoxy resin 30 parts
Glass powder with low melting point 2 parts
2 parts, solidifying agent
Fire retardant 2 parts
Mica powder 20 parts
Calucium Silicate powder 20 parts
Air release agent 0.5 part
Flow agent 0.5 part
Chromium-copper pigment 3 parts
0.5 part, oxidation inhibitor.
3. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that, described Nano-meter SiO_2
2epoxy resin prepares by the following method: the Nano-meter SiO_2 of will dry under whipped state
2be added in the acetone soln of coupling agent, then use ultrasonication 10 ~ 20 min, then desolvation after this solution and epoxy resin are stirred, be warming up to 130 DEG C of reaction 1 h, after cooling.
4. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that: described solidifying agent is trimellitic anhydride-imidazate.
5. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that: described fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, the weight ratio of magnesium hydroxide and aluminium hydroxide is 1:1.
6. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that: described glass powder with low melting point is that raw material is prepared from by silicon oxide, sodium oxide, potassium oxide, boron oxide.
7. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that: described air release agent is st-yrax.
8. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that: described flow agent is butyl cellulose or Walocel MT 20.000PV.
9. a kind of high-temperature-resistant epoxy resin powder coating as claimed in claim 1, is characterized in that: described oxidation inhibitor is composite antioxidant JY-215 or composite antioxidant JY-220.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357194.5A CN104962169A (en) | 2015-06-25 | 2015-06-25 | High-temperature-resistant epoxy resin powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357194.5A CN104962169A (en) | 2015-06-25 | 2015-06-25 | High-temperature-resistant epoxy resin powder coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104962169A true CN104962169A (en) | 2015-10-07 |
Family
ID=54216272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510357194.5A Pending CN104962169A (en) | 2015-06-25 | 2015-06-25 | High-temperature-resistant epoxy resin powder coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104962169A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033734A (en) * | 2017-04-07 | 2017-08-11 | 国家纳米科学中心 | One kind can ceramic epoxy resin fireproof coating |
| CN107057420A (en) * | 2016-12-29 | 2017-08-18 | 广州凯耀资产管理有限公司 | Inorganic slim expansion fire-resistant coating for steel structure and preparation method thereof |
| CN113527981A (en) * | 2021-08-31 | 2021-10-22 | 江苏江南绝缘粉末有限公司 | Thin-coating high-humidity-resistant heat-insulating powder and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834870A (en) * | 1981-08-24 | 1983-03-01 | Fujikura Ltd | Composite powder composition |
| CN102277065A (en) * | 2011-07-08 | 2011-12-14 | 上海邦中新材料有限公司 | Epoxy resin powder coating and preparation method thereof |
| CN102585696A (en) * | 2012-02-13 | 2012-07-18 | 江苏大学 | Methyl phenyl silicone resin base high-temperature-resistant coating and preparation method thereof |
-
2015
- 2015-06-25 CN CN201510357194.5A patent/CN104962169A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834870A (en) * | 1981-08-24 | 1983-03-01 | Fujikura Ltd | Composite powder composition |
| CN102277065A (en) * | 2011-07-08 | 2011-12-14 | 上海邦中新材料有限公司 | Epoxy resin powder coating and preparation method thereof |
| CN102585696A (en) * | 2012-02-13 | 2012-07-18 | 江苏大学 | Methyl phenyl silicone resin base high-temperature-resistant coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 何德泉: "耐热环氧粉末涂料", 《上海涂料》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057420A (en) * | 2016-12-29 | 2017-08-18 | 广州凯耀资产管理有限公司 | Inorganic slim expansion fire-resistant coating for steel structure and preparation method thereof |
| CN107033734A (en) * | 2017-04-07 | 2017-08-11 | 国家纳米科学中心 | One kind can ceramic epoxy resin fireproof coating |
| CN107033734B (en) * | 2017-04-07 | 2019-10-11 | 国家纳米科学中心 | One kind can ceramic epoxy resin fireproof coating |
| CN113527981A (en) * | 2021-08-31 | 2021-10-22 | 江苏江南绝缘粉末有限公司 | Thin-coating high-humidity-resistant heat-insulating powder and preparation method thereof |
| CN113527981B (en) * | 2021-08-31 | 2022-02-18 | 江苏江南绝缘粉末有限公司 | Thin-coating high-humidity-resistant heat-insulating powder and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103122197B (en) | Resin-based flexible ceramic protective coating | |
| CN101781483B (en) | Environmental protection type high-temperature resistant nano paint and preparation method thereof | |
| CN101781481B (en) | Self-heat dissipating environment friendly nano coating and preparation method thereof | |
| US8852333B2 (en) | Multi-functional environmental coating composition with mesoporous silica nanomaterials | |
| CN104903412B (en) | Multi-stage method for the coating of steel prior to hot forming | |
| CN102898926A (en) | High temperature-resistant and wear-resistant heavy-duty anticorrosive paint and preparation method thereof | |
| CN101781479B (en) | Environment-friendly nano ceramic film coating with self heat radiating function and preparation method thereof | |
| CN101240068A (en) | Modified silicasol and application thereof in preparing water paint | |
| CN104342017A (en) | Preparation method of high temperature resistant composite coating | |
| CN104962169A (en) | High-temperature-resistant epoxy resin powder coating | |
| CN107083185A (en) | A kind of aluminum alloy doors and windows heat-insulated protective coating and preparation method thereof | |
| CN104725951A (en) | High-hardness single-component water-based paint | |
| CN103642362A (en) | High-temperature-resistant anticorrosive organic coating | |
| CN104371541A (en) | High-temperature primer for metro wheels and preparation method of high-temperature primer | |
| CN104559616A (en) | Corrosion-resistant acrylic paint | |
| CN103059675A (en) | Thermal insulating and fire retardant coating of indoor ultrathin steel structure and preparation method of coating | |
| CN107141980A (en) | A kind of hydroxyalkyl amide solidifies outdoor type Flame Retardant Powder Coatings | |
| WO2022088114A1 (en) | Water-based paint special for glass substrates and preparation method therefor | |
| CN105860765A (en) | High-temperature-resistant powder paint and preparation method thereof | |
| CN105462302A (en) | Ultrathin steel structure fireproof coating and using method thereof | |
| CN103436158A (en) | Crystal water-permeability UV (Ultraviolet) matte top-coat | |
| CN108329801B (en) | Environment-friendly integrated waterproof coating and preparation method thereof | |
| CN105368294A (en) | High-glossiness impact-resisting environmental-friendly water-borne automobile coating and preparing method thereof | |
| CN105949955A (en) | Powder coating for heating radiator surface and preparation method thereof | |
| CN105949964A (en) | Heat-resisting powder coating for auto vent pipe and preparing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151007 |