CN103351815A - Expansion-type fireproof coating - Google Patents
Expansion-type fireproof coating Download PDFInfo
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- CN103351815A CN103351815A CN 201310245272 CN201310245272A CN103351815A CN 103351815 A CN103351815 A CN 103351815A CN 201310245272 CN201310245272 CN 201310245272 CN 201310245272 A CN201310245272 A CN 201310245272A CN 103351815 A CN103351815 A CN 103351815A
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Abstract
The invention relates to an expansion-type fireproof coating. The coating comprises, by weight, 10-40 parts of resins, 0-40 parts of catalysts, 5-20 parts of charring agents, 5-20 parts of foaming agents, 3-15 parts of fire retardants and 3-15 parts of carbon nanotubes. The expansion-type fireproof coating has good fire proofing and heat insulating properties, good bonding force and high intensity, and can endure high low temperature cycling. The coating has advantages of good water resistance, good acid resistance, good salt corrosion resistance, stable storage, good decoration and convenient construction, and is not easy to fall off. The coating solves the problems of low expansion rate of fireproof coatings and low compactness of charring layers in the prior art, and has excellent fireproof performance.
Description
Technical field
The present invention relates to the frie retardant coating technical field, particularly a kind of expanding fire-proof paint can be used as steel structure fire-proof paint, finishing fire retardant paint, cable fire-refractory coating.
Background technology
Frie retardant coating generally is divided into expanded polystyrene veneer and non-expansion type two classes from fire prevention mechanism.Non-expansive fireproof paint is that the flameproof effect that wants to reach good must be coated with very thickly by the high-leveled and difficult combustion of himself or the uninflammability purpose that reaches fire-retardant fireproof, adds the in a large number fire retardants such as halogen-containing, nitrogen, phosphorus, produces a large amount of toxic gases.The expanding fire-proof paint expanded by heating of filming exactly forms cellular charring layer, flame heat regulating is isolated and reduce or slow down transmission to ground, coating decomposites non-flammable gas when high temperature simultaneously, isolated and diluted air, thereby the series of physical that occurs in when fire prevention of coating and chemical reaction have absorbed amount of heat and play fire-retardant and delay the flame expansion, spread in addition, and the time of fire extinguishing is provided for people.Behind the expanding fire-proof paint expanded by heating, the porous foam defence layer that produces, than former thick coating tens even hundred times, and the low at least order of magnitude of coating before after expanding expand in the thermal conductivity ratio end of foam layer, be coated with to such an extent that very thinly just can reach good flameproof effect.
CN1164701C discloses a kind of expanding fire-proof paint, comprise the compositions such as acrylic resin, catalyzer, char-forming agent, whipping agent, fire retardant, strengthening agent, color stuffing, auxiliary agent, smog inhibitor, and to the acrylic resin modification, catalyzer is carried out surface treatment and adds the over-all properties that smog inhibitor improves coating.Form the charring layer of nonflammable two-dimensional space structure when filming expanded by heating, flame heat regulating is isolated and reduce conduction to ground, coating decomposites non-flammable gas when high temperature simultaneously, and isolated and diluent air stops the flame expansion, spreads.This coating is suitable for the flame-proof finishing of steel construction, wood substrate, cable etc.
Summary of the invention
The invention provides a kind of expanding fire-proof paint, described coating has solved present frie retardant coating expansion multiplying power and has hanged down and the low shortcoming of charring layer compactness, has very excellent fire resistance.
A kind of expanding fire-proof paint comprises by weight:
Wherein, described carbon nanotube is that multi-walled carbon nano-tubes is or/and Single Walled Carbon Nanotube.
Preferably, described coating comprises by weight:
Preferably, described coating comprises by weight:
Preferably, described catalyzer is selected from the mixture of a kind of in the two trimeric cyanamides of primary ammonium phosphate, urea phosphate, ammonium polyphosphate, ammonium polyphosphate potassium, Potassium tripolyphosphate, melamine phosphate, phosphoric acid, melamine pyrophosphate, organophosphate, borate, ester and derivative, sulphonate and the derivative or at least two kinds.
Preferably, described char-forming agent is selected from the mixture of a kind of in starch, Mierocrystalline cellulose and derivative, sucrose, sorbyl alcohol, tetramethylolmethane and derivative, Resins, epoxy, the resol or at least two kinds.
Catalyzer is one of crucial composition of expanding fire-proof paint, it promotes and improves the thermal decomposition process of coating, the amount of the flammable tar that produces when minimizing or the thermolysis of prevention organism, aldehyde, ketone etc. promotes generation and the at high temperature formation of stable three-dimensional structure charring layer of non-flammable gases.As long as can be under proper temperature (it is generally acknowledged 150～250 ℃), the material that the composition that decomposites can dewater to the material of hydroxyl all can be as catalyzer.Preferably, described catalyzer is selected from the mixture of a kind of in the two trimeric cyanamides of primary ammonium phosphate, urea phosphate, ammonium polyphosphate, ammonium polyphosphate potassium, Potassium tripolyphosphate, melamine phosphate, phosphoric acid, melamine pyrophosphate, organophosphate, borate, ester and derivative, sulphonate and the derivative or at least two kinds.Described mixture is the mixture of sulphonate and derivative and ester and derivative for example, the mixture of borate and organophosphate, the mixture of the two trimeric cyanamides of melamine pyrophosphate and phosphoric acid, the mixture of melamine phosphate and Potassium tripolyphosphate, the mixture of ammonium polyphosphate potassium and ammonium polyphosphate, the mixture of organophosphate and melamine pyrophosphate, the mixture of the two trimeric cyanamides of phosphoric acid and melamine phosphate, the mixture of Potassium tripolyphosphate and ammonium polyphosphate potassium, the mixture of urea phosphate and primary ammonium phosphate, the mixture of primary ammonium phosphate and sulphonate and derivative, ester and derivative and boratory mixture, the mixture of ammonium polyphosphate potassium and melamine phosphate.
Char-forming agent is the basic substance that coating at high temperature forms the foam carburization zone of nonflammable three-D space structure, and the foam carburization zone is played skeleton function.Char-forming agent will be complementary with catalyzer on decomposition temperature, the validity of char-forming agent depends on the content of hydroxyl and carbon atom in the molecule, the quantity of hydroxyl is large, the dehydrated speed of char-forming agent is relatively very fast, but the wetting ability of char-forming agent itself is high, so and the quantity of non-hydroxyl is more high better, carbon content is high, molecule is large, and is favourable to intensity and the compactness of the charring layer of final formation.Described char-forming agent is selected from the mixture of a kind of in starch, Mierocrystalline cellulose and derivative, sucrose, sorbyl alcohol, tetramethylolmethane and derivative, Resins, epoxy, the resol or at least two kinds.Described mixture is the mixture of resol and Resins, epoxy for example, the mixture of tetramethylolmethane and derivative and sorbyl alcohol, the mixture of sucrose and Mierocrystalline cellulose and derivative, the mixture of starch and resol, the mixture of Resins, epoxy and tetramethylolmethane and derivative, the mixture of sorbyl alcohol and sucrose, the mixture of Mierocrystalline cellulose and derivative and starch.
Whipping agent discharges non-flammable gases-hydrogen halide, ammonia, nitrogen and compound thereof, steam in certain temperature.Whipping agent commonly used has: the phosphoric acid salt of Dyhard RU 100, trimeric cyanamide, clorafin, urea, trimeric cyanamide and borate etc.In order to prolong foamed time, make the height of charring layer better, generally all adopt a plurality of whipping agents to share, it is whipping agent that system of the present invention adopts trimeric cyanamide and clorafin, and also can adopt melamine salt/ester (such as melamine phosphate) and clorafin is whipping agent.
Described coating also comprises the mixture of a kind of in strengthening agent, color stuffing, solvent, the smog inhibitor or at least two kinds.
Wherein, described strengthening agent is carbon black;
Wherein, the parts by weight of described strengthening agent are 1～10 part, preferred 2～8 parts, and further preferred 3～5 parts;
Wherein, the parts by weight of described color stuffing are 1～20 part, preferred 2～18 parts, and further preferred 3～15 parts;
Wherein, the parts by weight of described solvent are 15～30 parts, preferred 18～30 parts, and further preferred 20～28 parts.
Wherein, the parts by weight of described smog inhibitor are 1～5 part, preferred 1.5～4 parts, and further preferred 2～4 parts.
Preferably, described solvent is selected from the mixture of a kind of in ethanol, methyl alcohol, toluene, dimethylbenzene, ethyl acetate, isopropylcarbinol, the pimelinketone or at least two kinds.
Preferably, described coating comprises by weight:
Expanding fire-proof paint of the present invention, it has the impact that fire insulation performance is good, bonding force is good, intensity is high, can stand high cold cycle, the water tolerance of coating, acid resistance, salt tolerant corrodibility are good, difficult drop-off, shelf-stable, good decorative property, the characteristics such as easy construction, described coating has solved present frie retardant coating expansion multiplying power and has hanged down and the low shortcoming of charring layer compactness, has very excellent fire resistance.
Embodiment
Embodiment 1
In the present embodiment, described coating comprises by weight:
Embodiment 2
In the present embodiment, described coating comprises by weight:
Embodiment 3
In the present embodiment, described coating comprises by weight:
Embodiment 4
In the present embodiment, described coating comprises by weight:
Embodiment 5
In the present embodiment, described coating comprises by weight:
Embodiment 6
In the present embodiment, described coating comprises by weight:
Comparative Examples
Comparative Examples is CN1164701C the disclosed embodiments 4.
Described coating comprises by weight:
10 parts of acrylic resins, 2 parts of chlorinated polyether resins, 28 parts of the catalyzer of the modification of embodiment 2, MP15 part, 8 parts of Dipentaerythritols, 5 parts in iron white powder, 3 parts of clorafins, 2 parts of zinc borates, 2 parts of wollastonites.
The performance index of embodiment 1-6 and the described coating of Comparative Examples are as shown in table 1.
The described coating property index of table 1 embodiment 1-6 and Comparative Examples
The contrast of fire resistance laboratory: above-described embodiment 1-6 and Comparative Examples are filmed, and toast coat-thickness 1mm, fire duration 5min apart from coating 5cm with alcohol blast burner flame.The result: more than film and all can form the relatively charring layer of even compact, still can obviously observe, the described charring layer of filming of embodiment 1-6 is densification more.
When coating is used for wood substrate as finishing paint, with reference to GB12442.1-95, carry out the fire resistance test, when embodiment of the invention 1-6 coating is 0.5mm when build, behind spirit lamp baking 30min, carbonization does not occur or slight carbonization occurs in coating expansion height 0.5～1cm, wood substrate.
When coating is used for the steel construction ground, carry out the fire resistance test according to GB14907-94, substantially exceed the index that requires in the GB,, and the described coating index of embodiment 1-6 obviously is better than Comparative Examples.
When as cable fire-refractory coating, carry out the fire resistance test according to GA181-1998, coating of the present invention reaches category-A frie retardant coating index.
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (8)
1. an expanding fire-proof paint is characterized in that, comprises by weight:
Wherein, described carbon nanotube is that multi-walled carbon nano-tubes is or/and Single Walled Carbon Nanotube.
2. expanding fire-proof paint as claimed in claim 1 is characterized in that, described coating comprises by weight:
3. expanding fire-proof paint as claimed in claim 2 is characterized in that, described coating comprises by weight:
4. such as each described expanding fire-proof paint among the claim 1-3, it is characterized in that, described catalyzer is selected from the mixture of a kind of in the two trimeric cyanamides of primary ammonium phosphate, urea phosphate, ammonium polyphosphate, ammonium polyphosphate potassium, Potassium tripolyphosphate, melamine phosphate, phosphoric acid, melamine pyrophosphate, organophosphate, borate, ester and derivative, sulphonate and the derivative or at least two kinds.
5. such as each described expanding fire-proof paint among the claim 1-3, it is characterized in that, described char-forming agent is selected from the mixture of a kind of in starch, Mierocrystalline cellulose and derivative, sucrose, sorbyl alcohol, tetramethylolmethane and derivative, Resins, epoxy, the resol or at least two kinds.
6. such as each described expanding fire-proof paint among the claim 1-5, it is characterized in that, described coating also comprises the mixture of a kind of in strengthening agent, color stuffing, solvent, the smog inhibitor or at least two kinds;
Wherein, described strengthening agent is carbon black;
Wherein, the parts by weight of described strengthening agent are 1～10 part, preferred 2～8 parts, and further preferred 3～5 parts;
Wherein, the parts by weight of described color stuffing are 1～20 part, preferred 2～18 parts, and further preferred 3～15 parts;
Wherein, the parts by weight of described solvent are 15～30 parts, preferred 18～30 parts, and further preferred 20～28 parts.
Wherein, the parts by weight of described smog inhibitor are 1～5 part, preferred 1.5～4 parts, and further preferred 2～4 parts.
7. expanding fire-proof paint as claimed in claim 6 is characterized in that, described solvent is selected from the mixture of a kind of in ethanol, methyl alcohol, toluene, dimethylbenzene, ethyl acetate, isopropylcarbinol, the pimelinketone or at least two kinds.
8. expanding fire-proof paint as claimed in claim 6 is characterized in that, described coating comprises by weight:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310245272 CN103351815A (en) | 2013-06-19 | 2013-06-19 | Expansion-type fireproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310245272 CN103351815A (en) | 2013-06-19 | 2013-06-19 | Expansion-type fireproof coating |
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| CN103351815A true CN103351815A (en) | 2013-10-16 |
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| CN 201310245272 Pending CN103351815A (en) | 2013-06-19 | 2013-06-19 | Expansion-type fireproof coating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107254258A (en) * | 2017-06-27 | 2017-10-17 | 过春明 | A kind of expanding fire-proof paint |
| CN112175689A (en) * | 2020-10-13 | 2021-01-05 | 上海贝能环保科技有限公司 | Antirust agent composition and preparation method thereof |
| CN113388297A (en) * | 2021-06-10 | 2021-09-14 | 湖北亿纬动力有限公司 | Intumescent fire-retardant coating and preparation method and application thereof |
| CN115197599A (en) * | 2017-01-09 | 2022-10-18 | 纳米复合技术股份有限公司 | Intumescent nanostructured materials and methods of making the same |
| CN116694230A (en) * | 2023-06-05 | 2023-09-05 | 湖北奥斯鸣环保科技有限公司 | Intumescent fire-retardant coating and preparation method thereof |
-
2013
- 2013-06-19 CN CN 201310245272 patent/CN103351815A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115197599A (en) * | 2017-01-09 | 2022-10-18 | 纳米复合技术股份有限公司 | Intumescent nanostructured materials and methods of making the same |
| CN115197599B (en) * | 2017-01-09 | 2023-12-19 | 纳米复合技术股份有限公司 | Expansion type nanostructured material and manufacturing method thereof |
| CN107254258A (en) * | 2017-06-27 | 2017-10-17 | 过春明 | A kind of expanding fire-proof paint |
| CN112175689A (en) * | 2020-10-13 | 2021-01-05 | 上海贝能环保科技有限公司 | Antirust agent composition and preparation method thereof |
| CN113388297A (en) * | 2021-06-10 | 2021-09-14 | 湖北亿纬动力有限公司 | Intumescent fire-retardant coating and preparation method and application thereof |
| CN116694230A (en) * | 2023-06-05 | 2023-09-05 | 湖北奥斯鸣环保科技有限公司 | Intumescent fire-retardant coating and preparation method thereof |
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Application publication date: 20131016 |