CN102382574A - Fire-resistant paint for steel structure - Google Patents
Fire-resistant paint for steel structure Download PDFInfo
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- CN102382574A CN102382574A CN2011103251953A CN201110325195A CN102382574A CN 102382574 A CN102382574 A CN 102382574A CN 2011103251953 A CN2011103251953 A CN 2011103251953A CN 201110325195 A CN201110325195 A CN 201110325195A CN 102382574 A CN102382574 A CN 102382574A
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- steel
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Abstract
The invention provides a fire-resistant paint for a steel structure. The fire-resistant paint comprises the following components in parts by mass: 20-40 parts of aqueous resin, 50-60 parts of silicon dioxide-alumina mixture, 5-10 parts of titanium dioxide, 0.5-1 part of melamine and 5-10 parts of tricresyl phosphate. The fire-resistant paint for the steel structure can tolerate long-term high-temperature roasting, plays a fire-proof heat insulation role, can prevent steel from rapidly warming in fire so as to reduce strength, and avoids the steel structure from losing support capacity to result in collapse of a building.
Description
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Technical field
The invention belongs to the frie retardant coating technical field, relate in particular to a kind of frie retardant coating that is used for steelwork.
Background technology
Steelwork is as a kind of form of high building structure;, light weight high with its intensity; And characteristics such as favorable extensibility, shock resistance and short construction period are arranged, and in construction industry, be used widely, especially demonstrate great vitality at aspects such as superelevation layer and long span buildings.At the bottom of nineteen ninety, steelwork has accounted for 79% in 100 high-rise buildings more than the high in the world 200m.Since the reform and opening-up, along with the reinforcement of international exchange of know-how and cooperation, the steelwork utilisation technology has obtained flourish in China, and high-rise and high-rise building increases rapidly.According to the statistical information of nineteen ninety-five, steelwork accounts for 37% in the 100 building high-rise buildings that China builds up, and majority was built in recent years.Along with the development of China's city size, steelwork has boundless prospect in the application of Building Trade in China.But because steelwork self does not fire, the fire-proof and thermal-insulation protection problem of steelwork was once once ignored by people.Test and statistical figure according to domestic and international pertinent data report and appropriate authority show that the fire performance of steel building is poor than masonry structure and skeleton construction.The physical strength of steel reduces with the rising of temperature, about 5000 ℃, and its strength degradation to 40%～50%; The mechanical property of steel; All descend rapidly such as yield-point, ultimate compression strength, Young's modulus and weight bearing power etc., lose supporting capacity very soon, cause buildings to collapse.Therefore, steelwork is protected imperative.Steel structure fire-proof paint is brushed or is sprayed on the steelwork surface, plays the fire-proof and thermal-insulation effect, prevents that steel from heating up rapidly in fire and reduction intensity, avoids steelwork to lose supporting capacity and causes buildings to collapse.As far back as the seventies in 20th century, research and the application to steel structure fire-proof paint abroad just launched positive work and obtained achievement preferably, is still in the ascendant so far.The beginning of the eighties, external steel structure fire-proof paint just got into Chinese market, on engineering, used.From the beginning of the eighties, China also begins to develop steel structure fire-proof paint, and existing so far many improved seeds are widely used in all trades and professions.
Summary of the invention
The technical problem that solves:The present invention aims to provide a kind of steel structure fire-proof paint, can be used for the fire prevention of the civilian steel construction that buildings and accessory, movable furniture, carpet, clothing, household electrical appliance etc. cause.
Technical scheme:Steel structure fire-proof paint is grouped into by following one-tenth by massfraction: 20～40 parts of water-base resins, 50～60 parts in silica-alumina mixture, 5～10 parts of titanium oxide, 0.5～1 part of trichlorine hydrogen ammonium, 5～10 parts of tritolyl phosphates.
30 parts of said water-base resins.
60 parts in said silica-alumina mixture.
8 parts of said tritolyl phosphates.
Beneficial effect:Steel structure fire-proof paint of the present invention can tolerate long high bake, plays the fire-proof and thermal-insulation effect, prevents that steel from heating up rapidly in fire and reduce intensity, avoids steelwork to lose supporting capacity and causes buildings to collapse.
Embodiment
Embodiment 1
Steel structure fire-proof paint is grouped into by following one-tenth by massfraction: 30 parts of water-base resins, 60 parts in silica-alumina mixture, 8 parts of titanium oxide, 1 part of trichlorine hydrogen ammonium, 6 parts of tritolyl phosphates.
Above-mentioned raw materials is mixed the back stirring to get product.
The contrast experiment:
| ? | Shock-resistance/MPa | Sticking power/level (method of drawing a circle) | Foam expansion | Resistivity against fire (800 ℃) |
| Embodiment 1 | 3.0 | Less than 2 grades | 58 | 45min |
| Commercially available sample | 2.2 | Less than 4 grades | 86 | 33min |
Embodiment 2
Steel structure fire-proof paint is grouped into by following one-tenth by massfraction: 20 parts of water-base resins, 50 parts in silica-alumina mixture, 10 parts of titanium oxide, 0.5 part of trichlorine hydrogen ammonium, 5 parts of tritolyl phosphates.
Above-mentioned raw materials is mixed the back stirring to get product.
The contrast experiment:
| ? | Shock-resistance/MPa | Sticking power/level (method of drawing a circle) | Foam expansion | Resistivity against fire (800 ℃) |
| Embodiment 2 | 2.8 | Less than 3 grades | 70 | 40min |
| Commercially available sample | 2.2 | Less than 4 grades | 86 | 33min |
Not relating to all identical with the prior art prior art that maybe can adopt of part in the literary composition realizes.The above is the preferred embodiments of the present invention, but the present invention also is not limited to above only embodiment, on embodiment, does improvement slightly and also will be regarded as protection scope of the present invention.
Claims (4)
1. steel structure fire-proof paint is characterized in that being grouped into by following one-tenth by massfraction: 20～40 parts of water-base resins, 50～60 parts in silica-alumina mixture, 5～10 parts of titanium oxide, 0.5～1 part of trichlorine hydrogen ammonium, 5～10 parts of tritolyl phosphates.
2. steel structure fire-proof paint according to claim 1 is characterized in that 30 parts of said water-base resins.
3. steel structure fire-proof paint according to claim 1 is characterized in that 60 parts in said silica-alumina mixture.
4. steel structure fire-proof paint according to claim 1 is characterized in that 8 parts of said tritolyl phosphates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103251953A CN102382574A (en) | 2011-10-24 | 2011-10-24 | Fire-resistant paint for steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103251953A CN102382574A (en) | 2011-10-24 | 2011-10-24 | Fire-resistant paint for steel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102382574A true CN102382574A (en) | 2012-03-21 |
Family
ID=45822433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103251953A Pending CN102382574A (en) | 2011-10-24 | 2011-10-24 | Fire-resistant paint for steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102382574A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830123A (en) * | 2015-05-14 | 2015-08-12 | 江苏有能新能源有限公司 | Fire-resistant variable-frequency power box |
| CN108047791A (en) * | 2017-12-07 | 2018-05-18 | 安徽科汇钢结构工程有限公司 | A kind of steel structure fireproofing anticorrosive coating |
| CN108117788A (en) * | 2017-12-07 | 2018-06-05 | 安徽科汇钢结构工程有限公司 | A kind of high-temperature steel structural paint |
| CN108250967A (en) * | 2017-12-07 | 2018-07-06 | 安徽科汇钢结构工程有限公司 | A kind of corrosion resisting steel structural paint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440249A (en) * | 2008-05-23 | 2009-05-27 | 海洋化工研究院 | Ultrathin section steel structure fire-resisting paint and preparation thereof |
-
2011
- 2011-10-24 CN CN2011103251953A patent/CN102382574A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440249A (en) * | 2008-05-23 | 2009-05-27 | 海洋化工研究院 | Ultrathin section steel structure fire-resisting paint and preparation thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830123A (en) * | 2015-05-14 | 2015-08-12 | 江苏有能新能源有限公司 | Fire-resistant variable-frequency power box |
| CN108047791A (en) * | 2017-12-07 | 2018-05-18 | 安徽科汇钢结构工程有限公司 | A kind of steel structure fireproofing anticorrosive coating |
| CN108117788A (en) * | 2017-12-07 | 2018-06-05 | 安徽科汇钢结构工程有限公司 | A kind of high-temperature steel structural paint |
| CN108250967A (en) * | 2017-12-07 | 2018-07-06 | 安徽科汇钢结构工程有限公司 | A kind of corrosion resisting steel structural paint |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120321 |