CN105131745A - Water-based fire-resistant coating for high-expansion steel structure and preparation method and application thereof - Google Patents
Water-based fire-resistant coating for high-expansion steel structure and preparation method and application thereof Download PDFInfo
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- CN105131745A CN105131745A CN201510631185.0A CN201510631185A CN105131745A CN 105131745 A CN105131745 A CN 105131745A CN 201510631185 A CN201510631185 A CN 201510631185A CN 105131745 A CN105131745 A CN 105131745A
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Abstract
The invention discloses a water-based fire-resistant coating for a high-expansion steel structure and a preparation method thereof. The fire-resistant coating is prepared from, by weight, 20-50 parts of flame-retardant system, 20-50 parts of film-forming system and 1-10 parts of functional filler. The flame-retardant system comprises 18-26 parts of ammonium polyphosphate, 8-12 parts of pentaerythritol, 6-10 parts of melamine and 3-6 parts of expanded graphite. The film-forming system is composed of vinyl acetate-ethylene water-based copolymer emulsion and curing agent ammonium metaphosphate. The functional filler includes inorganic phase-change material sodium phosphate dodecahydrate or fumed silica. The water-based fire-resistant coating for the high-expansion steel structure is low in VOC content, and pollution to the environment in the production and coating processes is reduced. The coat appearance of the fire-resistant coating is flat, good decoration performance is achieved, and ash is not likely to be accumulated. In addition, the fire-resistant coating is convenient to construct, the duration of fire resistance is above three hours, and the requirement for efficient fire resistance is met; meanwhile, the requirement for high decoration performance on the appearance of a building can be met.
Description
Technical field
The invention belongs to steel structure fireproofing technical field, particularly relate to a kind of water-based height expansion steel structure fire-proof paint and preparation method thereof and purposes.
Background technology
Steel building is more and more important in the status of whole building field, and especially in Super High and long span building, steel construction more demonstrates powerful vitality.Although steel do not fire, there is the characteristic of heat-resisting non-refractory, easy heat conduction.Steel construction is heated and can causes the harm of following two aspects: on the one hand, because the thermal expansivity of steel is high, easily causes the distortion of structure or component to extend, easily cause member bends when steel both sides are heated inequality during high temperature; On the other hand, the mechanical property of steel, as: yielding stress, Young's modulus etc. raise with temperature and reduce gradually.When a threshold temperature is reached, steel construction will lose supporting capacity, cause the accidents such as building collapse.
In various measures for the prevention of fire, sprayed fire proofing coating have construction simple, convenient, from features such as heavy and light, flameproof effect are good, thus become the most desirable, the most reliably, the most practical flameproof protection method.But there is following problem in steel structure fire-proof paint: 1, traditional solvent-borne frie retardant coating is containing a large amount of VOC(volatile organic compounds), produce and use procedure environmental pollution serious; 2, existing aqueous fire-proof coating performance of damming is not high, and refractory ability is poor, and film performance is poor; 3, be rapidly heated under fire condition the destruction of thermal shocking to fire-retardant material; 4, after hot conditions material expansion, expansion texture layer intensity is lower, and sticking power is poor; 5, film discharges toxic gas in case of fire, jeopardizes personnel safety; 6, relevant criterion is too low, and commercially available prod quality is uneven.
Summary of the invention
The first object of the present invention is to provide a kind of water-based height expansion steel structure fire-proof paint.
The second object of the present invention is to provide a kind of preparation method of water-based height expansion steel structure fire-proof paint.
The third object of the present invention is to provide the purposes of a kind of water-based height expansion steel structure fire-proof paint in steel structure fireproofing.
In order to realize above-mentioned first object, the invention provides a kind of water-based height expansion steel structure fire-proof paint, being made up of flame-retardant system, film forming system and functional stuffing.
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, is made up of 20 ~ 50 weight part flame-retardant systems, 20 ~ 50 weight part film forming systems and 1 ~ 10 weight part functional stuffing.
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, described flame-retardant system is prepared from by the raw material of following weight part: ammonium polyphosphate 18 ~ 26 parts, tetramethylolmethane 8 ~ 12 parts, trimeric cyanamide 6 ~ 10 parts, expanded graphite 3 ~ 6 parts.
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, the described ammonium polyphosphate polymerization degree 50 ~ 100.
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, described expansible black lead particle diameter 50 ~ 150 order.
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, film forming system is made up of vinylacetate-ethylene water-based copolymer emulsion and solidifying agent ammonium metaphosphate;
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, described functional stuffing contains inorganic phase-changing material sodium phosphate dodecahydrate or aerosil.
The present invention's water-based height as above expansion steel structure fire-proof paint, preferably, described functional stuffing is also containing defoamer and flow agent.
In order to realize above-mentioned second object, the invention provides a kind of preparation method of water-based height expansion steel structure fire-proof paint, the intumescent system mixed and functional stuffing being added film forming system, stirs and obtain described frie retardant coating.
In order to realize above-mentioned 3rd object, the invention provides the purposes of a kind of water-based height expansion steel structure fire-proof paint in steel structure fireproofing.
In the present invention, ammonium polyphosphate action principle is, in thermal histories, resolves into phosphoric acid and polyphosphoric acid, and polyphosphoric acid, as strong dewatering agent, to react the water of generation to change organic chemical reaction, makes organics dehydration generate unsaturated main chain, and then forms charring layer.Phosphoric acid then at high temperature generates polyphosphoric acid, forms thick molten mass, covers carbide surface, and anti-block enters film inside and thermopositive reaction occurs.
Trimeric cyanamide is whipping agent, when it meets fiery decomposes, can decompose and produce non-flammable gases NH
3, H
2o etc., make coating expansion form spongy porous charring layer.
Poly-penta tetrol is the basic substance of foaming layer as char-forming agent, forms three-D space structure and nonflammable after burning, plays skeleton function.
The invention has the beneficial effects as follows:
1, the water-based height expansion steel structure fire-proof paint that obtains of the present invention is with water-based emulsion system for main component, and VOC content is low, reduces at production and coating process the pollution of environment.
2, the water-based height expansion steel structure fire-proof paint appearance of coat that obtains of the present invention is smooth, has well ornamental, and not easily dust stratification, be particularly useful for the flameproof protection of exposed steel construction.
3, the water-based height expansion steel structure fire-proof paint easy construction that obtains of the present invention, more than fire endurance to 3 hour, can also meet the demand of facade high-decoration while meeting high-efficiency fireproof performance.
Accompanying drawing explanation
Fig. 1 is preparation method's schematic flow sheet of the water-based height expansion steel structure fire-proof paint of an embodiment of the present invention;
Fig. 2 is the steel structure surface treatment scheme schematic diagram of an embodiment of the present invention;
Fig. 3 is the schematic flow sheet that the water-based height expansion steel structure fire-proof paint of an embodiment of the present invention is applied in steel structure fireproofing.
Embodiment
The embodiment recorded at this is specific embodiment of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and specification sheets, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The water-based height expansion steel structure fire-proof paint of one embodiment of the present invention, is made up of flame-retardant system, film forming system and functional stuffing.Preferably, be made up of 20 ~ 50 weight part flame-retardant systems, 20 ~ 50 weight part film forming systems and 1 ~ 10 weight part functional stuffing.
Preferably, described flame-retardant system is prepared from by the raw material of following weight part:
Ammonium polyphosphate 18 ~ 26 parts, preferably, the described ammonium polyphosphate polymerization degree 50 ~ 100; Tetramethylolmethane 8 ~ 12 parts; Trimeric cyanamide 6 ~ 10 parts; Expanded graphite 3 ~ 6 parts; Preferably, described expansible black lead particle diameter 50 ~ 150 order.
Preferably, film forming system is made up of vinylacetate-ethylene water-based copolymer emulsion and solidifying agent ammonium metaphosphate;
Preferably, described functional stuffing contains inorganic phase-changing material sodium phosphate dodecahydrate or aerosil.More preferably, described functional stuffing is also containing defoamer and flow agent.
embodiment 1
A kind of water-based height expansion steel structure fire-proof paint, be prepared from by following raw material by weight: ammonium polyphosphate 22 parts, tetramethylolmethane 8 parts, trimeric cyanamide 8 parts, expanded graphite 6 parts, vinylacetate-ethylene water-based copolymer emulsion 40 parts, ammonium metaphosphate 5 parts, sodium phosphate dodecahydrate 4 parts, S1 silicane defoamer 3 parts, S4 silicane flow agent 4 parts.The described ammonium polyphosphate polymerization degree 100, expanded graphite particle diameter 50 order.
The intumescent system mixed and functional stuffing are added film forming system, stirs and obtain described frie retardant coating.Then again by frie retardant coating brush in the carbon steel sheet scribbling anti-corrosion primer, be of a size of 300mm × 300mm × 4mm, coating thickness is 1mm, and performance test (GB14907-2002 " steel structure fire-proof paint performance test ") is carried out in normal curing after 7 days.The performance test results is expansion multiplying power 31, fire resistance period 3 hours.
embodiment 2
A kind of water-based height expansion steel structure fire-proof paint, be prepared from by following raw material by weight: ammonium polyphosphate 26 parts, tetramethylolmethane 12 parts, trimeric cyanamide 8 parts, expanded graphite 3 parts, vinylacetate-ethylene water-based copolymer emulsion 41 parts, ammonium metaphosphate 3 parts, sodium phosphate dodecahydrate 5 parts, S1 silicane defoamer 1 part, S4 silicane flow agent 1 part.The described ammonium polyphosphate polymerization degree 50, expanded graphite particle diameter 80 order.
The intumescent system mixed and functional stuffing are added film forming system, stirs and obtain described frie retardant coating.Then again by frie retardant coating brush in the carbon steel sheet scribbling anti-corrosion primer, be of a size of 300mm × 300mm × 4mm, coating thickness is 1mm, and normal curing carried out performance test after 7 days.The performance test results is expansion multiplying power 35, fire resistance period 3.5 hours.
embodiment 3
A kind of water-based height expansion steel structure fire-proof paint, be prepared from by following raw material by weight: ammonium polyphosphate 22 parts, tetramethylolmethane 10 parts, trimeric cyanamide 10 parts, expanded graphite 3 parts, vinylacetate-ethylene water-based copolymer emulsion 40 parts, ammonium metaphosphate 2 parts, aerosil 2 parts, S1 silicane defoamer 1.1 parts, S4 silicane flow agent 0.9 part.The described ammonium polyphosphate polymerization degree 50, expanded graphite particle diameter 100 order.
The intumescent system mixed and functional stuffing are added film forming system, stirs and obtain described frie retardant coating.Then again by frie retardant coating brush in the carbon steel sheet scribbling anti-corrosion primer, be of a size of 300mm × 300mm × 4mm, coating thickness is 1mm, and normal curing carried out performance test after 7 days.The performance test results is expansion multiplying power 30, fire resistance period 3 hours.
As shown in Figures 2 and 3, the purposes of water-based height expansion steel structure fire-proof paint of the present invention in steel structure fireproofing is described.
Once operate respectively steel structure surface: flint paper is polished, fine sandpaper is polished, cold water flush, acid pickling and rust removing, and cold water eliminates rust, and hot water injection, alkali cleaning oil removing, hot water injection, cold water flush, filter paper blots.Aforesaid operations carries out according to actual conditions in GB8923-88 " before application steel surface corrosion and derusting grade ", and derusting grade is not less than St2.5.
Spraying through pretreated steel structure surface, first spraying first time frie retardant coating, sprays the second layer again, then revises the positions such as corner interface and test after the drying of the first layer frie retardant coating.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.
Claims (10)
1. a water-based height expansion steel structure fire-proof paint, is made up of flame-retardant system, film forming system and functional stuffing.
2. water-based height expansion steel structure fire-proof paint according to claim 1, is characterized in that, is made up of 20 ~ 50 weight part flame-retardant systems, 20 ~ 50 weight part film forming systems and 1 ~ 10 weight part functional stuffing.
3. water-based height expansion steel structure fire-proof paint according to claim 1 and 2, it is characterized in that, described flame-retardant system is prepared from by the raw material of following weight part: ammonium polyphosphate 18 ~ 26 parts, tetramethylolmethane 8 ~ 12 parts, trimeric cyanamide 6 ~ 10 parts, expanded graphite 3 ~ 6 parts.
4. water-based height expansion steel structure fire-proof paint according to claim 3, is characterized in that, the described ammonium polyphosphate polymerization degree 50 ~ 100.
5. water-based height expansion steel structure fire-proof paint according to claim 3, is characterized in that, described expansible black lead particle diameter 50 ~ 150 order.
6. water-based height expansion steel structure fire-proof paint according to claim 1, it is characterized in that, film forming system is made up of vinylacetate-ethylene water-based copolymer emulsion and solidifying agent ammonium metaphosphate.
7. water-based height expansion steel structure fire-proof paint according to claim 1, it is characterized in that, described functional stuffing contains inorganic phase-changing material sodium phosphate dodecahydrate or aerosil.
8. water-based height expansion steel structure fire-proof paint according to claim 7, is characterized in that described functional stuffing also containing defoamer and flow agent.
9. the preparation method of water-based height expansion steel structure fire-proof paint described in any one of claim 1-8, adds film forming system by the intumescent system mixed and functional stuffing, stirs and obtain described frie retardant coating.
10. the purposes of water-based height expansion steel structure fire-proof paint in steel structure fireproofing described in any one of claim 1-8.
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| CN201510631185.0A CN105131745A (en) | 2015-09-29 | 2015-09-29 | Water-based fire-resistant coating for high-expansion steel structure and preparation method and application thereof |
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| CN201510631185.0A CN105131745A (en) | 2015-09-29 | 2015-09-29 | Water-based fire-resistant coating for high-expansion steel structure and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675304A (en) * | 2016-12-28 | 2017-05-17 | 中南林业科技大学 | Decalescence intumescent flame-retardant fireproof waterborne coating and preparation method thereof |
| CN109337464A (en) * | 2018-10-17 | 2019-02-15 | 南京展拓消防设备有限公司 | Indoor water super-thin steel structure fire-proof paint |
| CN111117458A (en) * | 2019-12-30 | 2020-05-08 | 深圳深景达油墨化工有限公司 | Ultrathin steel structure fireproof coating and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030779A (en) * | 1987-07-17 | 1989-02-01 | 北京建筑防火材料喷涂工程公司 | Expansible fireproof decorative coating for steel structure |
| US20090111910A1 (en) * | 2007-10-25 | 2009-04-30 | Gimvang Bo H | Anti-graffiti coating |
| CN102634256A (en) * | 2012-04-18 | 2012-08-15 | 北京国泰瑞华精藻硅特种材料有限公司 | Water expansion type fire-proof mildew-proof coating for tunnels |
| CN102643589A (en) * | 2012-04-28 | 2012-08-22 | 华南理工大学 | Indoor water-based ultrathin steel-structure fireproof coating and preparation method thereof |
| CN102838907A (en) * | 2012-08-24 | 2012-12-26 | 华南理工大学 | Waterborne ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN103642364A (en) * | 2013-12-19 | 2014-03-19 | 中国科学院理化技术研究所 | Heat insulation phase change coating and preparation method thereof |
-
2015
- 2015-09-29 CN CN201510631185.0A patent/CN105131745A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030779A (en) * | 1987-07-17 | 1989-02-01 | 北京建筑防火材料喷涂工程公司 | Expansible fireproof decorative coating for steel structure |
| US20090111910A1 (en) * | 2007-10-25 | 2009-04-30 | Gimvang Bo H | Anti-graffiti coating |
| CN102634256A (en) * | 2012-04-18 | 2012-08-15 | 北京国泰瑞华精藻硅特种材料有限公司 | Water expansion type fire-proof mildew-proof coating for tunnels |
| CN102643589A (en) * | 2012-04-28 | 2012-08-22 | 华南理工大学 | Indoor water-based ultrathin steel-structure fireproof coating and preparation method thereof |
| CN102838907A (en) * | 2012-08-24 | 2012-12-26 | 华南理工大学 | Waterborne ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN103642364A (en) * | 2013-12-19 | 2014-03-19 | 中国科学院理化技术研究所 | Heat insulation phase change coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 汪洋: "《绿色城市的守望-智能建筑与绿色建筑》", 31 July 2014, 吉林人民出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675304A (en) * | 2016-12-28 | 2017-05-17 | 中南林业科技大学 | Decalescence intumescent flame-retardant fireproof waterborne coating and preparation method thereof |
| CN106675304B (en) * | 2016-12-28 | 2019-05-03 | 中南林业科技大学 | A kind of expansion type flame-retarding fire prevention water paint of decalescence and preparation method thereof |
| CN109337464A (en) * | 2018-10-17 | 2019-02-15 | 南京展拓消防设备有限公司 | Indoor water super-thin steel structure fire-proof paint |
| CN111117458A (en) * | 2019-12-30 | 2020-05-08 | 深圳深景达油墨化工有限公司 | Ultrathin steel structure fireproof coating and preparation method thereof |
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Application publication date: 20151209 |
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