CN1257095A - Fire-resistant composition for paint - Google Patents
Fire-resistant composition for paint Download PDFInfo
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- CN1257095A CN1257095A CN 98125225 CN98125225A CN1257095A CN 1257095 A CN1257095 A CN 1257095A CN 98125225 CN98125225 CN 98125225 CN 98125225 A CN98125225 A CN 98125225A CN 1257095 A CN1257095 A CN 1257095A
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Abstract
The present invention relates to a fire-resisting coating, consisting of expansive soft carbon, carbon laying forming agent, carbon layer catalyst and foaming agent with the weight ratio of 1 : 2.1-4 : 4-5 : 1.5-2, and said fire-resisting paint is added to base of coating,and can effectively prevent the thermoexpanded worm-like soft carbon from flying in all directions, and when it is subjected to hot flame, it can quickly form an expanded layer which is high in strength, toughness and adhesive force, and is not easy to be ashed and cracked, and is small in smoking quantity, can be used for baffling transference of heat source so as to attain the goal of resisting fire.
Description
The present invention relates to a kind of fire-resistant composition for paint, referring in particular to a kind of being applicable to is added in aqueous base or the oiliness base synthetic resin coating, it is expanded when being subjected to thermal-flame have the constituent of flameproof effect, it can be applicable to steel member, indoor decoration, electric wire or other coating that needs fireproof occasions to use.
Tradition is as the expanding fire-proof paint of fire resistance applications, mostly be in coating base material (Base, as synthetic resins such as water-based acryl system, oiliness acryl systems) in, add carbon-coating and form agent (as polyalcohols, Polysaccharides ... Deng), carbon-coating catalyzer (as phosphate cpd etc.) and whipping agent (as melamine, urea system, chlorination, organic amine system etc.), and be aided with other relevant auxiliary agents to be coated on the structural wood, form the carbonaceous expanding layer when utilizing it to be heated, in order to block the thermal source transmission to reach flameproof effect.
Yet, thisly directly form the carbonaceous expanding layer that agent forms by carbon-coating, be belong to noncrystal structure (amorphous) hard carbon (hard carbon) form weak strength and loose, easily the flame flow that is blown burning by high temperature breaks through, drops, so that forfeiture fire prevention usefulness.And, this kind noncrystal hard carbon expanding layer at high temperature forms carbon monoxide, carbonic acid gas with airborne Sauerstoffatom reaction easily ... and other nonflammable ashes, causing so-called ashing phenomenon, its heat-resistant quality is come poorly far beyond the soft carbon (soft carbon) of crystalline texture.Therefore, the Application Areas of above-mentioned conventional expanded type frie retardant coating is severely limited.
In recent years, though United States Patent (USP) the 3rd is arranged, 574, No. 644, Japanese Patent spy are opened clear 55-118987, spy and are opened clear 56-95941, spy and open that flat 5-70540, spy open flat 9-183978, the spy opens patent cases such as flat 10-17796, the expansile graphite that openly will have soft carbon structure successively makes an addition in paint, the foaming material, make to have resistance flame respectively brushability, the preferable effect of fire line.Yet,
1. this expansile graphite looses to excessive rapidly because of the acid group molecule expanded by heating of graphite layers insertion, the distance of impelling each graphite layers is drawn back and is formed the vermiform thing, cause the quasiflake graphite volume after the expansion to increase 100-200 doubly, proportion alleviates, intensity reduces, very easily disperse everywhere because of firepower effect or thermal convection, reduced the flame retardant effect to coated thing in inside and base material (Base), method is distinguished in all effective solution in above-mentioned U.S., day patent.
2. though it is 10%-25% that above-mentioned Japanese patent laid-open 9-183978 once proposed the proportioning of expansile graphite and phosphate cpd; Japanese patent laid-open 10-17796 also is limited in 1%-30% with the weight proportion of expansile graphite and coating base material.But above-mentioned U.S., day patent are to other compositions and the not mentioned allotment ratio of whole fire-resistant composition, is it studied carefully and competes to begin to such an extent that make with the allotment of which kind of ratio? the soft carbon expanding layer that whether can form high strength, high temperature tolerance, be difficult for ashing, be difficult for be full of cracks, can not disperse is unknown, cause above-mentioned patent only to be theory stage, industry is difficult to implement according to this, embarrasses industry to utilize.
3. expansile graphite powder itself is the intercalation compound that makes with the natural flaky graphite of strong acid oxidation, the acid speciality that often has PH3-5, above-mentioned U.S., day patent add this powder in frie retardant coating or the foaming material, will cause the qualitative change of coating base material (Base) synthetic resins, influence the basic physical properties and the voltinism of coating; This kind has the tart frie retardant coating and is coated on the steel member again, very easily causes the rust phenomenon of steel, and coating or coated thing are all easily damaged.
4. the particle diameter of general commercially available expansile graphite powder is about 20 orders-100 order, is mixed in the frie retardant coating to apply, and can form the lines of surface irregularity, causes the also inaesthetic surface of unfairness; When spraying operation, the spraying bore is very easily stopped up by bigger graphite particle diameter, inconvenience when causing construction again.
The objective of the invention is to propose a kind ofly form the fire-resistant composition for paint that agent, carbon-coating catalyzer and whipping agent are formed by weight blending by the soft carbon of swelling property, carbon-coating, the soft carbon of vermiform that it can effectively the suppress expanded by heating situation of dispersing everywhere, and when being subjected to thermal-flame, can set up a kind of high strength, high tenacity, high tack rapidly, and be difficult for ashing, be difficult for be full of cracks, few expanding layer of being fuming, with the blocking heat source transmission, thereby solved the existing in prior technology problem.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is that its main component includes: the soft carbon of swelling property, carbon-coating form agent, carbon-coating catalyzer and whipping agent, and its part by weight is 1: 2.5-4: 4-5: 1.5-2.
Concern the good fire-resistant composition that mixes according to above-mentioned each weight ratio of constituents example, with its ratio blending, contained as following table with 1 part of swelling property corresponding 3.5-4 part coating base material of soft carbon (Base).
Brush or spray the good frie retardant coating of above-mentioned blending on coated thing, when being subjected to thermal-flame greater than 200 ℃, because the catalyzed reaction of carbon-coating catalyzer and the foaming effect of whipping agent, impel carbon-coating to form agent and form abundant carbon shell in surperficial thermal dehydration expansion, and the soft carbon of swelling property also expanded by heating become fibrous soft carbon material and mix for 50 times-300 times and insert in the carbon shell, strengthened carbon shell internal structure just like in the carbon shell, mixing with the soft carbon that contains staple fibre, form a kind of similar carbon fiber-reinforced expanding layer, because soft carbon is high to the stability of oxygen, so can effectively intercept flame blows and reaches more than 1 hour, several no ashing damage and take place, and coated thing back temperature is lower than below 300 ℃; And the surface grows up to vermiform graphite and will be fixed firmly by the carbon shell, can suppress the quasiflake graphite situation of dispersing everywhere, reaches purpose of the present invention.
Fire-resistant composition of the present invention can also can make an addition in the oiliness base synthetic resin coating in order to make an addition in the aqueous base synthetic resin coating, all can achieve the above object.
It is that electrographite, coal tar carbon are electrographite, kish graphite, thermolysis graphite at natural flaky graphite, Petrocarbon more than 80% that the soft carbon of swelling property of the present invention can be selected purity, or at least a in the former material of other equivalent graphite, under the strong oxidizer effect with sulfate ion, phosphate anion, acetate ion, or in the interlayer structure of the former material of at least a insertion graphite in other equivalent ions, impel it to have the characteristic of meeting thermal expansion.For the acidity of the soft carbon of this swelling property that neutralizes, can make its pH value between 6.5-8.0 with it again with the neutralization of the oxyhydroxide of ammoniacal liquor or basic metal or alkaline-earth metal, make can not produce qualitative change after mixing the coating base material, and can avoid the steel member rustization generation that applies.The particle diameter of the soft carbon of swelling property is selected, and can be controlled in 80 orders-250 order, and preferably 120 orders-200 order helps spraying and can not stop up spout, and can obtain surfacing, coating effect attractive in appearance.
The carbon-coating that the present invention adopts forms agent and can be isoamyl tetrol, diisoamyl tetrol, poly-isoamyl tetrol, glycerol, Pehanorm, TriMethylolPropane(TMP), ethylene glycol, propylene glycol, cyclohexanediol or other equivalent polyalcohols, or at least a in Sorbitol Powder, glucose, semi-lactosi, fructose, pectinose, sucrose, starch, dextrin, pectin, tartaric acid or other the equivalent Polysaccharides.The weight that carbon-coating forms agent must preferably greater than 1/2 of carbon-coating catalyzer, fix quasiflake graphite in order to forming abundant carbon shell firmly greater than 1/3 of carbon-coating catalyzer, overcomes the problem that quasiflake graphite is heated and disperses.
The carbon-coating catalyzer can be at least a in red phosphorus, trimeric cyanamide tetra-sodium, phosphoguanidine urea, ortho-phosphoric acid, tripolyphosphate, metaphosphoric acid, polyphosphoric acid, phosphorous acid, hexa metaphosphoric acid, ammonium polyphosphate, primary ammonium phosphate, ammonium hydrogen phosphate, ammonium metaphosphate, ammonium phosphite, ammonium pyrophosphate, Hexamethylphosphoric acid triamide, phosphorus chloride, phosphorus oxychloride, phosphoric anhydride or other the equivalent P contained compounds.
Whipping agent can be at least a in urea, melamine, organic amine system or other equivalent nitrogenous compounds or the clorafin.The weight of whipping agent can not form agent greater than carbon-coating, preferably forms the 50%-80% of agent for carbon-coating, in order to forming the high strength expanding layer that height is heat-resisting and do not chap.
The invention has the advantages that:
The soft carbon of vermiform that it can effectively the suppress expanded by heating situation of dispersing everywhere; It can make an addition in the coating according to its weight proportion, can set up a kind of high strength, high tenacity, high tack rapidly when being subjected to thermal-flame, and is difficult for ashing, is difficult for the dilator that tortoise attacks, the amount of being fuming is few, reaches flameproof effect with the blocking heat source transmission.
It makes an addition in the coating between the soft carbon of the swelling property of 6.5-8 with pH value, impels the coating base material can not produce qualitative change, and can avoid the steel member rustization that applies.
It has the soft carbon of swelling property of fine grain size, use and obtain surfacing, apply attractive in appearance, the effect of spraying easily.
Because constituent part by weight disclosed in this invention is clear and definite, technology is novel and truly have progressive, and the utilization on the industry really can be provided.
For clearer understanding technology contents of the present invention, further specify preferred embodiment of the present invention now.
Embodiment one
Get purity greater than 98%, expansile graphite powder 18 grams, ammonium polyphosphate 93 grams, melamine 33.5 grams, isoamyl tetrol 50 grams, aqueous base acryl resin 70 grams of 140 times of pH values 7.5, particle diameter 100-150 order, expansion multiplying power, and the modulation such as water, dispersion agent, defoamer, pigment, Shen film auxiliary agent that is aided with suitable deal forms frie retardant coating, be sprayed on the one side of steel plate of 30cm * 30cm * 0.12cm, surface aesthetic, coating thickness 1mm.Place air to dry in the shade naturally for 25 ℃-30 ℃, treat after the coating drying to erect this steel plate, and overlay thermopair to measure temperature over against blowtorch mouth place in the steel plate back side at distance flame burner mouth 8cm place.
Directly blow the coated side 1 hour of tested steel plate with the flame more than 950 ℃, its result shows that steel plate back of the body temperature is lower than 240 ℃, the expansion multiplying power of soft carbon xln expanding layer is up to 35mm (35 times), and expanding layer is solid, graphite does not disperse, the ashing degree is low, the amount of being fuming is few, the surface does not have be full of cracks, the expanding layer adherence is good, but the blocking heat source transmission reaches flameproof effect fully.
Embodiment two
The allotment composition of present embodiment, ratio are identical with embodiment one haply, but it increases to 23 grams with the expansile graphite powder, and the aqueous base acryl resin increases to 100 grams.Test method test according to embodiment one, the result shows that steel plate back of the body temperature is lower than 250 ℃, 35 times of the expansion multiplying powers of soft carbon xln expanding layer, and expanding layer is solid, graphite does not disperse, the ashing degree is low, the amount of being fuming is few, the surface does not have be full of cracks, the expanding layer adherence is good, but the blocking heat source transmission reaches flameproof effect fully.
Claims (11)
1. fire-resistant composition for paint, has the fire protection flame retarding effect in order to make an addition to make in the coating base material (Base), it is characterized in that this fire-resistant composition mainly comprises: the soft carbon of swelling property, carbon-coating form agent, carbon-coating catalyzer and whipping agent, and its part by weight is: 1 part in the soft carbon of swelling property, carbon-coating form agent 2.5-4 part, carbon-coating catalyzer 4-5 part, whipping agent 1.5-2 part.
2. according to the said fire-resistant composition for paint of claim 1, it is characterized in that the soft carbon of said swelling property, it be by be selected from natural flaky graphite, Petrocarbon is that electrographite, coal tar carbon are the former materials of wherein at least a graphite such as electrographite, kish graphite or thermolysis graphite, under the strong oxidizer effect, wherein at least a ion such as sulfate ion, phosphate anion or acetate ion is inserted in the interlayer structure of the former material of graphite, make to have the chance thermal expansion character.
3. according to claim 1 or 2 said fire-resistant composition for paint, it is characterized in that the soft carbon of said swelling property, its pH value is between 6.5-8.0.
4. according to claim 1 or 2 said fire-resistant composition for paint, it is characterized in that the soft carbon of said swelling property, its particle diameter is 80 orders-250 orders.
5. according to the said fire-resistant composition for paint of claim 1, it is characterized in that said carbon-coating forms agent, it is a polyalcohols.
6. according to the said fire-resistant composition for paint of claim 5, it is characterized in that said polyalcohols, it is that to be selected from isoamyl tetrol, diisoamyl tetrol, poly-isoamyl tetrol, glycerol, Pehanorm, TriMethylolPropane(TMP), ethylene glycol, propylene glycol, cyclohexanediol etc. wherein at least a.
7. according to the said fire-resistant composition for paint of claim 1, it is characterized in that said carbon-coating forms agent, it is a Polysaccharides.
8. according to the said fire-resistant composition for paint of claim 7, it is characterized in that said Polysaccharides, it is that to be selected from Sorbitol Powder, glucose, semi-lactosi, fructose, pectinose, sucrose, starch, dextrin, pectin, tartaric acid etc. wherein at least a.
9. according to the said fire-resistant composition for paint of claim 1, it is characterized in that said carbon-coating catalyzer, its P contained compound.
10. according to the said fire-resistant composition for paint of claim 9, it is characterized in that said P contained compound, it is that to be selected from red phosphorus, trimeric cyanamide tetra-sodium, phosphoguanidine urea, ortho-phosphoric acid, tripolyphosphate, metaphosphoric acid, polyphosphoric acid, phosphorous acid, hexa metaphosphoric acid, ammonium polyphosphate, primary ammonium phosphate, ammonium hydrogen phosphate, ammonium metaphosphate, ammonium phosphite, ammonium pyrophosphate, Hexamethylphosphoric acid triamide, phosphorus chloride, phosphorus oxychloride, phosphoric anhydride etc. wherein at least a.
11. according to the said fire-resistant composition for paint of claim 1, it is characterized in that said whipping agent, it is that to be selected from nitrogenous compounds such as urea, melamine or organic amine system or chlorinated wax etc. wherein at least a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98125225 CN1216105C (en) | 1998-12-16 | 1998-12-16 | Fire-resistant composition for paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98125225 CN1216105C (en) | 1998-12-16 | 1998-12-16 | Fire-resistant composition for paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1257095A true CN1257095A (en) | 2000-06-21 |
| CN1216105C CN1216105C (en) | 2005-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98125225 Expired - Fee Related CN1216105C (en) | 1998-12-16 | 1998-12-16 | Fire-resistant composition for paint |
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| CN (1) | CN1216105C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296446C (en) * | 2004-10-22 | 2007-01-24 | 厦门大学 | Polymer modified cement base thick coated type steel structure fire-proof paint |
| CN103627291A (en) * | 2013-11-14 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Expanded transparent fire-retardant paint |
| CN106427140A (en) * | 2016-11-15 | 2017-02-22 | 苏州亨达尔工业材料有限公司 | TPU (thermoplastic polyurethanes) composite board |
| 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 |
| CN110551413A (en) * | 2018-05-31 | 2019-12-10 | 庄继昌 | Water-based environment-friendly nontoxic waterproof and fireproof coating |
-
1998
- 1998-12-16 CN CN 98125225 patent/CN1216105C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296446C (en) * | 2004-10-22 | 2007-01-24 | 厦门大学 | Polymer modified cement base thick coated type steel structure fire-proof paint |
| CN103627291A (en) * | 2013-11-14 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Expanded transparent fire-retardant paint |
| CN106427140A (en) * | 2016-11-15 | 2017-02-22 | 苏州亨达尔工业材料有限公司 | TPU (thermoplastic polyurethanes) composite board |
| 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 |
| CN110551413A (en) * | 2018-05-31 | 2019-12-10 | 庄继昌 | Water-based environment-friendly nontoxic waterproof and fireproof coating |
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| Publication number | Publication date |
|---|---|
| CN1216105C (en) | 2005-08-24 |
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