CN102719193B - High-temperature resistant coating - Google Patents
High-temperature resistant coating Download PDFInfo
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- CN102719193B CN102719193B CN201210216003.XA CN201210216003A CN102719193B CN 102719193 B CN102719193 B CN 102719193B CN 201210216003 A CN201210216003 A CN 201210216003A CN 102719193 B CN102719193 B CN 102719193B
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- 238000000576 coating method Methods 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000001023 inorganic pigment Substances 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 239000004593 Epoxy Substances 0.000 claims abstract description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 229920002050 silicone resin Polymers 0.000 claims description 9
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims description 8
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 230000001588 bifunctional effect Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- 239000010425 asbestos Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical group [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005120 petroleum cracking Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- -1 siloxane structure Chemical group 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- GPTWCNIDKQZDFF-UHFFFAOYSA-H trizinc;diphosphate;hydrate Chemical compound O.[Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GPTWCNIDKQZDFF-UHFFFAOYSA-H 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The invention provides a high-temperature resistant coating which comprises, by weight, 15%-50% of epoxy modified organic silicon resins, 5%-15% of high-temperature resistant composite inorganic pigments, 10%-20% of silicate fillers, 3%-10% of rust resisting pigments, 5%-20% of mixed type glass powders free from lead and boron, 1%-8% of adhesion promoters and 5%-40% of viscosity regulation solvents. The high-temperature resistant coating has the advantages of being easy to solidify at normal temperatures, high in hot and cold alternation resistant capacity, adhesive forces of coating films and high temperature corrosion resistant capacity, difficult to crack, convenient to prepare and use and energy-saving.
Description
Technical field
The present invention relates to field of material technology, refer to a kind of high-temperature resistant coating especially.
Background technology
Along with modern industry and national defense construction (as space flight, aviation, weapons etc.) industry fast development, more and more higher to the requirement of equipment high-temperaure coating, require at high temperature paint film nondiscoloration, do not come off, still can keep good physical and mechanical properties and antiseptic property.
High-temperature resistant coating is widely used in iron and steel chimney, high-temperature pipe, High Temperature Furnaces Heating Apparatus shell, petroleum cracking device and the high temperature such as tank, cannon place, delays the hot hydrogenation corrosion at high temperature of the hardwares such as iron and steel, guarantees equipment energy life-time service.
A lot of to the report of heat resisting coating at present, and the heat resistance of existing high-temperature resistant coating can reach service requirements substantially, but all there are some shortcomings.As long in paint film surface drying time, cause in use because of cause influence paint film appearances such as dusts.The high-temperature coatings of single component all needs hot setting (usual 180 ~ 200 degree, 1 ~ 2 hour), and in production and application process, energy consumption is large, can not construct for main equipment., although two-pack high-temperature coatings can ambient cure, save energy, construction is inconvenient, and waste is large.Paint film adhesion is poor in addition, paint film cold-hot alternately not all right, easily chap, the shortcoming such as corrosion-resistant under high temperature.
Summary of the invention
The present invention proposes a kind of high-temperature resistant coating, and solving conventional high-temperature resistant coating in prior art needs hot setting, paint film base material poor adhesive force, paint film cold-hot alternately poor, the problem of corrosion-resistant under easy be full of cracks, high temperature.
Technical scheme of the present invention is achieved in that a kind of high-temperature resistant coating, comprising weight percent is: the epoxy modified silicone resin of 15% ~ 50%, the composite inorganic pigment of 5% ~ 15%, the silicate filler of 10% ~ 20%, the rust-stabilising pigment of 3% ~ 10%, the mixed type of 5% ~ 20% is without nonex powder, and the adhesion promoter of 1% ~ 8%, the viscosity of 5% ~ 40% adjusts solvent.
Further, described composite inorganic pigment is Yellow10C112 or Blue385 or yellow29, and its weight percent is 8% ~ 10%, composite inorganic pigment mainly provides the painted of coating, also as metal oxide can at high temperature a small amount of hydroxyl on the surface such as catalyzed mica powder, talcum powder and the functional group of silicone resin react and in main chain, form metal siloxane structure, certainly, described composite inorganic pigment is not limited to above several, can select other pigment formula according to different needs.
Further, described silicate filler is one or more in talcum powder, mica powder, kaolin, asbestos powder, kaolin, ceramic clay.
Further, described silicate filler is talcum powder and mica powder, described talcous weight percent is 2% ~ 6%, the weight percent of described mica powder is 8% ~ 16%, the brushing base material of described high-temperature resistant coating is all the metal that the coefficient of expansion is very large, the coefficient of expansion of coating should as far as possible with the matched expansion coefficient of metal.Talcum powder linear expansivity is very large, but volumetric expansion dilution is very little, therefore talcous interpolation can change the linear expansivity of coating, improve the anti-be full of cracks performance under the room temperature alternation performance of coating and high temperature, sedimentation when coating stores can be slowed down simultaneously, and can coating flowing hanging be prevented, improve water tolerance, the wear resistance of film, talcous optimum amount is between 2% ~ 6%.Mica powder can significantly improve paint film strength and resistance to chalking, and the optimum amount of mica powder is between 8% ~ 16%.
Further, described rust-stabilising pigment is Heucophos ZPO, its weight percent is 5% ~ 6%, Heucophos ZPO, it is a kind of organically-modified alkali formula zinc orthophosphate hydrate, can improve the cohesive force between metal base and coating, significantly increase the corrosion resistance nature of coating, described rust-stabilising pigment is not limited to Heucophos ZPO too, also can change according to the actual needs.
Further, described mixed type without nonex powder comprise fusing point 430 degree without nonex powder and fusing point 650 degree without nonex powder, described mixed type is 14% ~ 18% without the weight percent of nonex powder, and described fusing point 430 degree be 2: 3 without nonex powder and described fusing point the ratio without nonex powder of 650 degree, silicone resin has the backbone structure with the same Si ~ O ~ Si of glass and connects methyl, the side chain organo-functional groups such as phenyl, rupture at 400 ~ 500 degree of side chain organo-functional groups that are heated, and silicon-oxygen backbone (Si ~ O ~ Si) is not destroyed substantially, Si is wherein all inorganic nature silicon.Described fusing point 430 degree without the melting in this temperature range of nonex powder, fill up silicone resin side chain decompose after the cavity that stays, replace silicone resin at high temperature to play cohesive action.600 ~ 700 degree time, described fusing point 650 degree without nonex powder continue melting, the high-temperature resisting pigment in silicone resin and coating, filler etc. is replaced to adhere to each other completely at the glass powder of hot stage melting, form inorganic type metal silica reticulated structure, now filmogen transfers to for inorganic type by organic forms, the new inorganic type coating that final formation one deck is complete, fine and close, sticking power is good.
Further; described adhesion promoter is compound bifunctional silane; its weight percent is 3% ~ 5%; described compound bifunctional silane has high reactive behavior, high thermal resistance and good preservation stability; metal base and epoxy modified silicone resin can bind together by it; form permanent chemical bonding, thus form efficient barrier layer, protection base material is not by the impact of corrosive atmosphere.
Further, described viscosity adjustment solvent is the one or more than one in toluene, dimethylbenzene, trimethylbenzene, N-BUTYL ACETATE, propyl carbinol.
Further, described viscosity adjustment solvent is dimethylbenzene, toluene, trimethylbenzene, and its part by weight is 5: 4: 1.
Embodiment
For understanding the present invention better; below by nine embodiments, elaboration concrete is further done to the present invention; but unintelligible is limitation of the invention; for some nonessential improvement and adjustment that those skilled in the art does according to foregoing invention content, be also considered as dropping in protection scope of the present invention.
Embodiment 1:
Formula and technique see the following form:
Embodiment 2
Formula and technique see the following form:
Embodiment 3
Formula and technique see the following form:
Embodiment 4
Formula and technique see the following form:
Embodiment 5
Formula and technique see the following form:
Embodiment 6
Formula and technique see the following form:
Embodiment 7
Formula and technique see the following form:
Embodiment 8
Formula and technique see the following form:
Embodiment 9
Formula and technique see the following form:
High-temperature resistant coating prepared by embodiment 1 to embodiment 9 to be coated on steel sheet [steel sheet be smooth, without the mechanical defect such as impression and pit, be of a size of 50*120*1mm (by GB GB1735 ~ 79), steel sheet carries out oil removing, rust cleaning guarantee surface of thin steel sheet is clean, dry], ambient temperatare puts the test of solidifying laggard line correlation performance for 24 hours.
Stability in storage, sticking power (GB1720 ~ 89), shock strength (GB/T1732 ~ 1993), time of drying (GB1728 ~ 1979) etc. are all tested by concerned countries standard.
High thermal resistance is tested: be put into by model in retort furnace, be warmed up to 800 degree, places after 10 hours and takes out, cool to room temperature, observe specimen surface situation, as without pull-away, be full of cracks situation, paint film resistance toheat good (GB1735 ~ 89) is described.
Cold-hot alternation performance test: be put into by model in retort furnace, is warmed up to 800 degree, is incubated 10 hours, takes out, and putting into cold water and soak 1 hour, is 1 cycle.In 5 cycles repeatedly, observe paint film change.As but without pull-away, be full of cracks situation, illustrate that paint film cold-hot alternation is functional.
Erosion resistance is tested: model is put into salt fog machine, do spray testing with the NaCL solution of 5%, observation model whether bubbling, get rusty (GB/T1771 ~ 91).
By above testing method, embodiment 1 is to the following table with test results of embodiment 9 test-results:
As can be seen from table with test results:
1, in the present invention, with reference to embodiment 2, if epoxy modified silicone resin does not add adhesion promoter, paint film room temperature will be caused to solidify, can only solidify by high bake, but do not affect the resistance to elevated temperatures of coating, with reference to embodiment 3, adding too much adhesion promoter, shortening causing the storage characteristics of coating.
2, in the present invention, with reference to embodiment 1, if do not add rust-stabilising pigment, significantly decline causing the high-temperature corrosion resistance performance of coating.
3, in the present invention, with reference to embodiment 5, reduce mixed type without nonex powder, under high temperature, the cohesive strength of high-temperature resistant coating is inadequate, cannot reach 800 degree by causing the heat resistance of coating.
4, in the present invention, with reference to embodiment 4, reduce amount of talc, will cause the cold-hot alternation degradation of coating, under high temperature there is be full of cracks in paint film.
5, in the present invention, with reference to other embodiments, when the use of each component is all in the content range that the present invention limits, compared to other conventional coating, its at ambient cure, paint film base material sticking power, paint film cold-hot alternately, erosion resistance under anti-be full of cracks, high temperature, storage etc. are all had outstanding performance, be a kind of well high-temperature resistant coating, produce relatively simple, save energy.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (8)
1. a high-temperature resistant coating, it is characterized in that, comprise: weight percent is: the epoxy modified silicone resin of 15% ~ 50%, 5% ~ 15% composite inorganic pigment, 10% ~ 20% silicate filler, the rust-stabilising pigment of 3% ~ 10%, 14% ~ 18% mixed type is without nonex powder, 1% ~ 8% adhesion promoter, the viscosity adjustment solvent of 5% ~ 40%, described mixed type without nonex powder comprise fusing point 430 degree without nonex powder and fusing point 650 degree without nonex powder, and described fusing point 430 degree be 2: 3 without nonex powder and described fusing point at the part by weight without nonex powder of 650 degree.
2. high-temperature resistant coating as described in claim 1, it is characterized in that: described composite inorganic pigment is Yellow10C112 or Blue385 or yellow29, and its weight percent is 8% ~ 10%.
3. as described in claim 1 high-temperature resistant coating, is characterized in that: described silicate filler is one or more in talcum powder, mica powder, kaolin, asbestos powder, kaolin, ceramic clay.
4. high-temperature resistant coating as described in claim 1, it is characterized in that: described silicate filler is talcum powder and mica powder, described talcous weight percent is 2% ~ 6%, and the weight percent of described mica powder is 8% ~ 16%.
5. high-temperature resistant coating as described in claim 1, it is characterized in that: described rust-stabilising pigment is Heucophos ZPO, its weight percent is 5% ~ 6%.
6. high-temperature resistant coating as described in claim 1, it is characterized in that: described adhesion promoter is compound bifunctional silane, its weight percent is 3% ~ 5%.
7. high-temperature resistant coating as described in claim 1, is characterized in that: described viscosity adjustment solvent is one or more than one in toluene, dimethylbenzene, trimethylbenzene, N-BUTYL ACETATE, propyl carbinol.
8. high-temperature resistant coating as described in claim 1, is characterized in that: described viscosity adjustment solvent is dimethylbenzene, toluene, trimethylbenzene, and its part by weight is 5: 4: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216003.XA CN102719193B (en) | 2012-06-27 | 2012-06-27 | High-temperature resistant coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216003.XA CN102719193B (en) | 2012-06-27 | 2012-06-27 | High-temperature resistant coating |
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| Publication Number | Publication Date |
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| CN102719193A CN102719193A (en) | 2012-10-10 |
| CN102719193B true CN102719193B (en) | 2015-03-04 |
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| CN201210216003.XA Active CN102719193B (en) | 2012-06-27 | 2012-06-27 | High-temperature resistant coating |
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| CN103694752A (en) * | 2013-11-29 | 2014-04-02 | 安徽祈艾特电子科技有限公司 | Organic-silicon heat-resistant paint |
| CN103881514A (en) * | 2014-02-25 | 2014-06-25 | 蚌埠凯盛工程技术有限公司 | Organosilicone heat-resistant paint |
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| CN102719193A (en) | 2012-10-10 |
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