CN101633818A - Organosilicon high-temperature resistant coating being solidifiable at normal temperature - Google Patents
Organosilicon high-temperature resistant coating being solidifiable at normal temperature Download PDFInfo
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- CN101633818A CN101633818A CN200810117091A CN200810117091A CN101633818A CN 101633818 A CN101633818 A CN 101633818A CN 200810117091 A CN200810117091 A CN 200810117091A CN 200810117091 A CN200810117091 A CN 200810117091A CN 101633818 A CN101633818 A CN 101633818A
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Abstract
The invention provides an organosilicon high-temperature resistant coating being solidifiable at normal temperature, which consists of a component A and a component B, wherein the component A comprises the following components in percentage by mass: 40 to 60 percent of organosilicon resin, 20 to 30 percent of pigment, 5 to 20 percent of filler, 10 to 15 percent of solvent, 0 to 1 percent of antifoaming agent and 0 to 1.5 percent of anti-settling assistant; the component B comprises the following components in percentage by mass: 1 percent of solidifying agent and 99 percent of diluent; and the mass ratio of the component A to the component B is 5-10: 1. The organosilicon high-temperature resistant coating has the characteristics of quick normal temperature drying, tough coating film, cheap price and the like; and when the coating is used together with YJ-2 type inorganic zinc-rich primer and the thickness of the coating film reaches 80mu m, the coat can resist the high temperature of 400 DEG C.
Description
Technical field
The present invention relates to a kind of high temperature organosilicon paint, especially a kind of normal temperature solidified two-pack high temperature organosilicon paint.
Background technology
High-temperature resistant coating is widely used in various high temperature place, and such as iron and steel chimney, high-temperature pipe, High Temperature Furnaces Heating Apparatus, petroleum cracking device, and appearance such as military industry equipment decorates, in case the equipment life-time service is guaranteed in metals such as iron and steel thermooxidizing at high temperature corrosion.High temperature organosilicon paint is a principal item of high-temperature resistant coating, and it is a base-material with the silicone resin normally, is equipped with various high temperature resistant color stuffings and makes.Undoubtedly, the kind of silicone resin and fundamental characteristics have very large influence to the resistance to elevated temperatures of coating, and in addition, the selection of color stuffing and formulation optimization also can influence the performance of coating.The pertinent literature report is the synthesis modification that lays particular emphasis on silicone resin substantially at present, and has ignored the effect of various high temperature color stuffings, auxiliary agent.
When using carbon black, anatase thpe white powder, light chrome yellow as pigment in originally producing, high temperature organosilicon paint paint film flavescence, be full of cracks occur in 400 ℃ of heat-processedes, problem such as be full of cracks, variable color occur in the anti-aging test process, come off.
Summary of the invention
Problem for solve coating high temperature time be full of cracks, variable color the invention provides a kind of normal temperature solidified high temperature organosilicon paint.It adopts silicone resin is base-material, adds various resistant to elevated temperatures color stuffings, auxiliary agent etc., and by optimization of C, coating can anti-400 ℃ of high temperature.
The technical solution used in the present invention is that the silicone resin with the general trade mark is a base-material, add resistant to elevated temperatures pigment, select that thermo-elasticity is good for use, strong adhesion, linear expansivity is very big, volume expansivity is very little filler, in order to change the linear expansivity of coating, the performance of anticracking under the room temperature alternation performance of raising coating and the high temperature.
A kind of normal temperature solidified high temperature organosilicon paint of the present invention is made of first component and second component, wherein,
The first component comprises following component and content by mass percentage:
Silicone resin 40～60%
Pigment 20～30%
Filler 5～20%
Solvent 10～15%
Defoamer 0～1%
Anti-heavy auxiliary agent 0～1.5%;
The second component comprises following component and content by mass percentage:
Solidifying agent 1%
Thinner 99%
First, second constituent mass proportioning is 5～10: 1.
In the first component, silicone resin is general silicone resin; Used pigment is that aluminum oxide, rutile titanium white powder, cadmium are black, in the cobalt black, cobalt blue, cadmium yellow, cadmium red one or more are composite, has better high thermal resistance; Used filler is that in talcum powder, mica powder, coarse whiting, the fine particle calcium carbonate one or more are composite, can change the linear expansivity of coating, improves the performance of anticracking under the room temperature alternation performance of coating and the high temperature; Used solvent is a kind of in dimethylbenzene, N-BUTYL ACETATE, propyl carbinol, the methyl iso-butyl ketone (MIBK); Used defoamer is a methyl-silicone oil; Used anti-heavy auxiliary agent is an aerosil, plays the effect of anti-settling, but consumption can not surpass 1.5% of total prescription, adds the high thermal resistance that too much can influence paint film.
In the second component, used solidifying agent is a kind of in hexanediamine, polymeric amide, modified multicomponent amine, the polyetheramine; Used thinner is a kind of in dimethylbenzene, N-BUTYL ACETATE, propyl carbinol, the methyl iso-butyl ketone (MIBK).
The present invention has used general silicone resin, adds amine curing agent as linking agent, and Air drying is fast, and surface drying 15 minutes was done solid work 60～90 minutes, has overcome traditional high temperature organosilicon paint baking drying and Air drying and has waited shortcoming slowly.The supporting use of YJ-2 type zinc-rich coating of producing with oneself, when film thickness reached 80 μ m, coating can anti-400 ℃ of high temperature, and have characteristics such as paint film is tough and tensile, low price.
Embodiment
Come the present invention is described further below in conjunction with specific embodiment, following each embodiment only is used to the present invention is described but not limitation of the present invention.
One, test recipe
Embodiment 1
Measure by mass percentage, select 40% silicone resin, 24% rutile titanium white powder, cobalt black, cadmium yellow are as pigment, 10% mica powder and 10% coarse whiting are as filler, 15% dimethylbenzene is as solvent, and 0.5% methyl-silicone oil is as defoamer, and 0.5% prevents heavy auxiliary agent, through disperseing, grinding, be mixed with the first component of silver gray high temperature organosilicon paint.
Embodiment 2
Measure by mass percentage, select 50% silicone resin, 20% rutile titanium white powder and aluminum oxide are as white pigment, 5% coarse whiting and 10% talcum powder are as filler, 14% dimethylbenzene is as solvent, 1% anti-heavy auxiliary agent through disperseing, grinding, is mixed with the first component of white high temperature organosilicon paint.
Embodiment 3
Measure by mass percentage, select 60% silicone resin, 20% rutile titanium white powder and cobalt blue are as pigment, 9% talcum powder is as filler, 10% dimethylbenzene is as solvent, and 0.5% aerosil is as anti-heavy auxiliary agent, and 0.5% methyl-silicone oil is as defoamer, through disperseing, grinding, be mixed with the first component of sky blue high temperature organosilicon paint.
Embodiment 4
Amount is selected 50% silicone resin by mass percentage, and 30% rutile titanium white powder, aluminum oxide, cadmium yellow, cadmium are deceived as pigment, 5% fine particle calcium carbonate is done filler, 14.5% dimethylbenzene is as solvent, and 0.5% methyl-silicone oil is mixed with middle grey high temperature organosilicon paint first component as defoamer.
Promptly obtain the second component after all hexanediamine and dimethylbenzene being uniformly dispersed according to 1: 99 mixed among the embodiment 1～4.First, second ratio of component is 5～10: 1.
Two, test technology
The system lacquer
Silicone resin, color stuffing, anti-settling agent, solvent are pressed the accurate weighing of formula ratio, be uniformly dispersed, be ground to fineness less than 30 μ m with sand mill again, both got high temperature organosilicon paint first component with high speed dispersor.
Be the second component after hexanediamine and dimethylbenzene is uniformly dispersed according to 1: 99 mixed.
Making sheet
After above-mentioned paint vehicle first and second components are mixed in proportion, spray to treated tinplate respectively and sprayed on the steel sheet of twice YJ-2 type zinc silicate priming paint, the tinplate dried film thickness is 23 ± 3 μ m, and the supporting YJ-2 type of steel plate inorganic zinc silicate uses, and the paint film total thickness is 80 μ m.
Performance test methods
1, sticking power, snappiness, shock strength, time of drying, ply adhesion etc. all detect by the concerned countries standard.
2, cold-resistant hot alternation performance: with the model of above-mentioned preparation in self-vulcanizing.With the steel plate after solidifying in being warmed up to 400 ℃ of retort furnaces, heat after 16 hours, steeped 8 hours with 20 ℃ of water loggings, this is 1 circulation, observe the coatingsurface situation with magnifying glass, as do not have be full of cracks, obscission, and illustrating that promptly the cold-resistant hot alternation of coating is functional, a plurality of repeatedly cycles are destroyed until coating.
3, high thermal resistance: test plate (panel) is put into retort furnace be raised to and require temperature, after 500 hours, take out, be cooled to room temperature, observe the test piece surface appearance,, illustrate that promptly coating heat resistance can be good as not having be full of cracks, obscission.
Test-results of the foregoing description 1～4 such as following table:
| Test-results | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Ageing-resistant (10 circulations) | Paint film does not have be full of cracks, no efflorescence has light discolouration. | Paint film does not have be full of cracks, no efflorescence has light discolouration. | Paint film does not have be full of cracks, no efflorescence has light discolouration. | Paint film does not have be full of cracks, no efflorescence has light discolouration. |
| 400 ℃ were heated 500 hours | Paint film is intact | Paint film is intact | Paint film is intact | Paint film is intact |
| Ply adhesion (1 grade) | 1 grade | 1 grade | 1 grade | 1 grade |
| Resistance to impact shock (50cm) | 50cm | 50cm | 50cm | 50cm |
| Snappiness (1mm) | 1mm | 1mm | 1mm | 1mm |
| Aging back ply adhesion | 1 grade | 1 grade | 1 grade | 1 grade |
| 10 circulations of weathering test | Paint film does not have efflorescence, does not have be full of cracks. | Paint film does not have efflorescence, does not have be full of cracks. | Paint film does not have efflorescence, does not have be full of cracks. | Paint film does not have efflorescence, does not have be full of cracks. |
| Salt spray resistance | 500 hours | 500 hours | 500 hours | 500 hours |
| Salt water resistance | 500 hours | 500 hours | 500 hours | 500 hours |
Annotate: 400 ℃ were heated 16 hours, and with 20 ℃ of water coolings 8 hours, were 1 circulation.
Claims (8)
1, a kind of normal temperature solidified high temperature organosilicon paint is characterized in that, is made of first component and second component, and wherein, the first component comprises following component and content by mass percentage:
Silicone resin 40～60%
Pigment 20～30%
Filler 5～20%
Solvent 10～15%
Defoamer 0～1%
Anti-heavy auxiliary agent 0～1.5%;
The second component comprises following component and content by mass percentage:
Solidifying agent 1%
Thinner 99%;
First, second constituent mass proportioning is 5～10: 1.
2, high temperature organosilicon paint according to claim 1 is characterized in that, in the first component pigment be that aluminum oxide, rutile titanium white powder, cadmium are black, in the cobalt black, cobalt blue, cadmium yellow, cadmium red one or more.
3, high temperature organosilicon paint according to claim 1 is characterized in that, filler is one or more in talcum powder, mica powder, coarse whiting, the fine particle calcium carbonate in the first component.
4, high temperature organosilicon paint according to claim 1 is characterized in that, solvent is a kind of in dimethylbenzene, N-BUTYL ACETATE, propyl carbinol, the methyl iso-butyl ketone (MIBK) in the first component.
5, high temperature organosilicon paint according to claim 1 is characterized in that, defoamer is a methyl-silicone oil in the first component.
6, high temperature organosilicon paint according to claim 1 is characterized in that, anti-heavy auxiliary agent is an aerosil in the first component.
7, high temperature organosilicon paint according to claim 1 is characterized in that, solidifying agent is a kind of in hexanediamine, polymeric amide, modified multicomponent amine, the polyetheramine in the second component.
According to arbitrary described high temperature organosilicon paint in the claim 1～7, it is characterized in that 8, thinner is a kind of in dimethylbenzene, N-BUTYL ACETATE, propyl carbinol, the methyl iso-butyl ketone (MIBK) in the second component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810117091A CN101633818A (en) | 2008-07-24 | 2008-07-24 | Organosilicon high-temperature resistant coating being solidifiable at normal temperature |
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| CN200810117091A CN101633818A (en) | 2008-07-24 | 2008-07-24 | Organosilicon high-temperature resistant coating being solidifiable at normal temperature |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101864231A (en) * | 2010-06-12 | 2010-10-20 | 陕西德立特种漆业有限责任公司 | Dedicated protective coating for laser shock hardened stainless steel and preparation and using methods thereof |
| CN103342961A (en) * | 2013-07-01 | 2013-10-09 | 江苏达胜热缩材料有限公司 | High temperature-resistant insulating paint and preparation method thereof |
| CN103409063A (en) * | 2013-07-24 | 2013-11-27 | 山东北方现代化学工业有限公司 | Environment-friendly room temperature curing organic silicon high-temperature resistant coating and preparation method thereof |
| CN104693985A (en) * | 2015-02-12 | 2015-06-10 | 福建省台华化学工业有限公司 | Solvent-type double-component coating and preparation method thereof |
| CN104726020A (en) * | 2014-09-28 | 2015-06-24 | 海龙核材科技（江苏）有限公司 | Nuclear-grade high-temperature-resistance fireproof coating and preparation method thereof |
| CN104987836A (en) * | 2015-06-05 | 2015-10-21 | 广西大学 | Coating composite for helicopter shipboard take-off and landing platform |
| CN105261426A (en) * | 2015-10-29 | 2016-01-20 | 江苏安胜电缆有限公司 | High-temperature-resistant silica gel braided wire and manufacturing method thereof |
| CN105802486A (en) * | 2016-03-31 | 2016-07-27 | 华南理工大学 | Normal-temperature-curable high-temperature-resistant, corrosion-resistant and heat-insulating material for petrochemical pipelines as well as preparation method and applications of material |
| CN106590416A (en) * | 2016-11-18 | 2017-04-26 | 成都锦汇科技有限公司 | Coating composition for colorized weather-resistant steel plate |
| CN109403062A (en) * | 2018-11-01 | 2019-03-01 | 江苏济通复合材料有限公司 | A kind of high silicon flameproof fabric and its manufacturing method |
| CN111534222A (en) * | 2020-06-08 | 2020-08-14 | 无锡米克新材料有限公司 | Organopolysiloxane rubber protective coating paint |
| CN115093726A (en) * | 2022-06-29 | 2022-09-23 | 广东富多新材料股份有限公司 | High-temperature-resistant porous hydrophilic inorganic coating and preparation method and application thereof |
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2008
- 2008-07-24 CN CN200810117091A patent/CN101633818A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864231A (en) * | 2010-06-12 | 2010-10-20 | 陕西德立特种漆业有限责任公司 | Dedicated protective coating for laser shock hardened stainless steel and preparation and using methods thereof |
| CN103342961A (en) * | 2013-07-01 | 2013-10-09 | 江苏达胜热缩材料有限公司 | High temperature-resistant insulating paint and preparation method thereof |
| CN103409063A (en) * | 2013-07-24 | 2013-11-27 | 山东北方现代化学工业有限公司 | Environment-friendly room temperature curing organic silicon high-temperature resistant coating and preparation method thereof |
| CN103409063B (en) * | 2013-07-24 | 2015-07-08 | 山东北方现代化学工业有限公司 | Environment-friendly room temperature curing organic silicon high-temperature resistant coating and preparation method thereof |
| CN104726020B (en) * | 2014-09-28 | 2017-05-03 | 江苏海龙核科技股份有限公司 | Nuclear-grade high-temperature-resistance fireproof coating and preparation method thereof |
| CN104726020A (en) * | 2014-09-28 | 2015-06-24 | 海龙核材科技（江苏）有限公司 | Nuclear-grade high-temperature-resistance fireproof coating and preparation method thereof |
| CN104693985A (en) * | 2015-02-12 | 2015-06-10 | 福建省台华化学工业有限公司 | Solvent-type double-component coating and preparation method thereof |
| CN104987836A (en) * | 2015-06-05 | 2015-10-21 | 广西大学 | Coating composite for helicopter shipboard take-off and landing platform |
| CN105261426A (en) * | 2015-10-29 | 2016-01-20 | 江苏安胜电缆有限公司 | High-temperature-resistant silica gel braided wire and manufacturing method thereof |
| CN105802486A (en) * | 2016-03-31 | 2016-07-27 | 华南理工大学 | Normal-temperature-curable high-temperature-resistant, corrosion-resistant and heat-insulating material for petrochemical pipelines as well as preparation method and applications of material |
| CN106590416A (en) * | 2016-11-18 | 2017-04-26 | 成都锦汇科技有限公司 | Coating composition for colorized weather-resistant steel plate |
| CN109403062A (en) * | 2018-11-01 | 2019-03-01 | 江苏济通复合材料有限公司 | A kind of high silicon flameproof fabric and its manufacturing method |
| CN109403062B (en) * | 2018-11-01 | 2021-04-20 | 江苏济通复合材料有限公司 | High-silicon fireproof cloth and manufacturing method thereof |
| CN111534222A (en) * | 2020-06-08 | 2020-08-14 | 无锡米克新材料有限公司 | Organopolysiloxane rubber protective coating paint |
| CN115093726A (en) * | 2022-06-29 | 2022-09-23 | 广东富多新材料股份有限公司 | High-temperature-resistant porous hydrophilic inorganic coating and preparation method and application thereof |
| CN115093726B (en) * | 2022-06-29 | 2023-07-07 | 广东富多新材料股份有限公司 | High-temperature-resistant porous hydrophilic inorganic coating and preparation method and application thereof |
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Application publication date: 20100127 |