CN109401587A - A kind of fireproof coating - Google Patents
A kind of fireproof coating Download PDFInfo
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- CN109401587A CN109401587A CN201811270681.8A CN201811270681A CN109401587A CN 109401587 A CN109401587 A CN 109401587A CN 201811270681 A CN201811270681 A CN 201811270681A CN 109401587 A CN109401587 A CN 109401587A
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- vermiculite
- fire
- fireproof coating
- coating according
- expansion
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
- C09D5/185—Intumescent paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fireproofing Substances (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of fireproof coating, which is characterized in that comprising following weight percentage components: resin aqueous emulsion 40-70%, modified expanded vermiculite 5-20%, coating additive and other fillers 10-30% and water 10-30%；Wherein, modified expanded vermiculite is prepared by following steps: (1) carrying out incomplete expansion calcining to vermiculite: vermiculite raw material being taken to clean, and it puts into the rotary furnace that temperature is 500-1000 DEG C, heating expansion 10-20 seconds, incomplete expansion vermiculite, bulk density 800-1200kg/m3 are obtained after discharging；(2) incomplete expansion vermiculite is added in solvent, is sufficiently stirred simultaneously ultrasonic disperse 20-40 minutes, obtains vermiculite suspension；(3) fire-protection modifying dose is added into vermiculite suspension, and carries out ultrasonic disperse 40-60 minutes；Wherein, it is made of low molecule class carbon source, char forming catalyst and foaming agent for fire-protection modifying dose；(4) gained step (3) acquired solution is centrifuged, and precipitating is subjected to preliminarily dried to obtain fire-type expanded vermiculite.The fireproof coating has good fire protecting performance and smoke suppressing.
Description
Technical field
The present invention relates to a kind of fireproof coating, specifically disclose anti-as the intumescent of functional stuffing using fire-type vermiculite
Fiery coating.
Background technique
Expanding fire-proof paint is mainly used for steel structure fireproofing, and the development of economy and society has pushed the hair of construction business
Exhibition, heavy construction such as exhibition center, terminal, megastore, stadiums and luxurious hotel and industrial premises etc. are increasing,
And develop towards large-scale and beautiful direction, main supporting member is mostly steel construction.
For this purpose, the fire prevention of steel construction has been to be concerned by more and more people.Although steel belong to incombustible material, but its is resistance to
Fiery performance is poor more than masonry structure and reinforced concrete structure, and with the raising of temperature, the mechanical strength of steel can decline.Work as temperature
When degree is increased to critical-temperature (generally 540 DEG C) of steel, yield stress is only the 40% of room temperature.Steel are in high temp fire
Under the direct calcination of flame, the only fire endurance of 15min.It the use of fireproof coating is that a kind of steel building fireproof is more satisfactory
Method.Fire-resistant coating for steel structure is coated in steel member surface, plays fire-proof and thermal-insulation protective effect, prevents steel fast in a fire
Speed heats up and reduces intensity, and steel construction is avoided to lose support force and building is caused to collapse.
Fire-resistant coating for steel structure generally can be divided into thick coated type, scumbling type and ultrathin type, in terms of development trend, ultra-thin fashioned iron knot
Structure fireproof coating will finally substitute thick coated type and scumbling type fire proofing material, the fire-proof function of ultra-thin fire-resistant coating mainly by
Three kinds of compositions realize, are used to form the carbon source of layer of charcoal, are dehydrated for being catalyzed carbon source material to form the acid source of layer of charcoal and generate foaming
The gas source of gas, fire protecting performance need to be further increased.Currently, much studying trial is added other fire prevention or heat-insulated group
Point, to further increase the fire protecting performance of coating, wherein expanded vermiculite, expanded perlite are common function thermal insulating fillings, are had
Help improve fire protecting performance, but at present expanded vermiculite be further modified and also be compared with the research for promoting fire protecting performance
It is few.
Vermiculite is a kind of aqueous iron magnesium silicate class mineral of complexity, is by mica mineral hydrothermal alteration or slacking
The regeneration mineral of formation.Vermiculite chemical component is ((Mg, Fe, Al)3(Si, Al)4O10(OH)2) 4H2O, but often
It comes and go, belongs to monoclinic system, in the form of sheets, hardness 1~1.5,2400~2700kg/m3 of density, thin slice tool is flexible, most heavy
The property wanted is that heating can expand, and maximum in 800~1000 DEG C of expansions, 8~15 times of expansion multiple, high person is up to 30 times.
Expanded vermiculite density is generally 80~200kg/m3, and thermal coefficient is 0.047~0.07W/(m K), sound-absorption coefficient 0.5
0~0.63(frequency is 512Hz), refractoriness is 1300~1350 DEG C.In addition at expanded vermiculite in the dry state, have very
Good frost resistance, at -20 DEG C, by 15 freeze thawing, granularmetric composition is constant.Meanwhile and because its be inorganic matter, therefore not by
Fungus attacks, never degenerate at without putrefaction, are also not easy to be damaged by insects damaged by rats.Just because of there is so many superior performance, application is quite wide
It is general.The application status vermiculite of 2 vermiculites mainly also has its unique application in building industry, but in other field vermiculites.
The production process of expanded vermiculite is as follows: after vermiculite decontamination, being ground into the particle of 1~2mm, screening removes fine powder.It will be former
It after material drying (preheating), puts back to and carries out extruding heat treatment in rotary kiln or shaft kiln to it, the thermal regulation of extruding heat treatment is to vermiculite
Expansion rate have a significant impact.It is usually used and vermiculite is first heated slowly to 100 DEG C, then, then investment heating in advance rapidly
Into 1000 DEG C of heating furnaces, 0.5~1.0min of Bulking Time.Extruding heat treatment after vermiculite it is annealed, be cooled it is swollen
Swollen vermiculite.The expanded vermiculite come out from furnace also needs to be sieved, and removes unexpanded impurity particle.
Vermiculite is modified in the prior art to obtain higher performance and carry out a series of trial, as notification number is
100404612 Chinese invention patent discloses a kind of " swelled vermiculite/polyacrylic acid potassium-acrylamide high water absorption composite wood
The preparation method of material ", this method directly uses expanded vermiculite as raw material, total by the grafting of potassium acrylate, acrylamide monomer
Poly- reaction, prepares high water absorption composite material；It is compound that this method uses the expanded vermiculite under room temperature to carry out for raw material with organic matter,
The material prepared has oleophobic, hydrophilic characteristic, it is impossible to be used in hydrophobic material field.Notification number is the China of CN1800072A
Application for a patent for invention discloses a kind of " method of dry method quick preparing intercalation type vermiculite ", it is the warp using primary mineral of vermiculite as raw material
Airflow milling crushing is crossed, using quaternary ammonium salt as intercalator, direct dry method is closed in 100~180 DEG C of torque rheometers according to a certain percentage
At quaternary ammonium salts vermiculite；This method is directly modified the vermiculite raw material of unexpanded mistake, and product density is larger, in lightweight
The application in the fields such as filler, carrier and organic composite filler is restricted.
But currently, be added in coating or fire-proof plate using vermiculite as fire-proof function filler, leech will be only expanded
Stone is directly added into or uses together with other fireproof coatings such as Intumescent Retardant System, flame-retardant system containing halogen, lacks to expansion
The fire-protection modifying research of vermiculite.
Summary of the invention
The present invention provides a kind of fireproof coatings and preparation method thereof, on the basis of original expanding fire-proof paint
On, a kind of fire-type expanded vermiculite is added, which includes following weight percentage components: resin aqueous emulsion 40-70%,
Modified expanded vermiculite 5-20%, coating additive and other fillers 10-30% and water 10-30%；Wherein, modified expanded vermiculite is by as follows
Step is prepared:
(1) incomplete expansion calcining is carried out to vermiculite: vermiculite raw material is taken to clean, and putting into temperature is 500-1000 DEG C
Rotary furnace in, heating expansion 10-20 second, incomplete expansion vermiculite is obtained after discharging, it is ensured that its bulk density be 800-
1200kg/m3；
(2) incomplete expansion vermiculite is added in solvent, is sufficiently stirred simultaneously ultrasonic disperse 20-40 minutes, obtains vermiculite suspension
Liquid；
(3) fire-protection modifying dose is added into vermiculite suspension, and carries out ultrasonic disperse 40-60 minutes；Wherein, fire-protection modifying dose by
Low molecule class carbon source, char forming catalyst and foaming agent composition；
(4) gained step (3) acquired solution is centrifuged, and precipitating is dried to obtain fire-type expansion leech
Stone；
Wherein, carbon source is pentaerythrite, dipentaerythritol, tripentaerythritol, and char forming catalyst is ammonium dihydrogen phosphate, one hydrogen of phosphoric acid
Ammonium, ammonium metaphosphate, ammonium hypophosphite, ammonium phosphite, phosphorous acid, metaphosphoric acid and/or orthophosphoric acid, foaming agent be dicyandiamide, ammonium oxalate,
Urea or hexamethylenetetramine；
Wherein, according to mass ratio, incomplete expansion vermiculite, carbon source, the weight ratio of char forming catalyst and foaming agent are about 10:(1-
2): (1-2): (0.5-1.5).
Wherein, resin aqueous emulsion can be polyaminoester emulsion, polyacrylate dispersion, styrene-acrylic emulsion, acrylate and vinyl acetate emulsion.
Wherein, auxiliary agent includes defoaming agent, levelling agent, dispersing agent, thickener and/or wetting agent.
Wherein, filler includes titanium dioxide, lithopone, powdered whiting.
Preferably, rotary furnace operating temperature is 500-800 DEG C, and the preferred Bulking Time that heats is 12-15s, and optimal is 13
Second.
Preferably, the bulk density of incomplete expansion vermiculite is 900-1100kg/m3, most it is selected as 950-1050kg/m3。
Temperature is excessively high, heating Bulking Time is too long, and expanding vermiculite is excessive, loose bulk density is too small cause in fire without
Method plays further swelling heat absorption fireproofing function；Temperature is too low, and heating Bulking Time is too short, and expanding vermiculite is not enough, unfavorable
In fire-protection modifying dose of insertion, insufficient amount of fire-protection modifying dose can not play with expanded vermiculite cooperate with fire prevention suppression cigarette effect.
Preferably, drying condition is 25 DEG C of naturally dries.Temperature is excessively high, cause fire-protection modifying dose of small molecule excessively wave
Hair, temperature is inadequate, and vermiculite surface has a large amount of solvents, will lead to dispersion of the incomplete expansion vermiculite in coating and unevenly asks
Topic.
After adopting the above technical scheme, after the present invention at least has the following beneficial effects: that vermiculite carries out incomplete expansion, it is low
The intumescent modifying agent of molecule class carbon source, char forming catalyst and foaming agent composition gets enter into incomplete expansion vermiculite interlayer,
When fire-type vermiculite is placed in the high temperature such as fire bad border, the intumescent of low molecule class carbon source, char forming catalyst and foaming agent composition changes
Property agent and incomplete expansion vermiculite expand simultaneously, the former formed expanded by heating foaming, formed carbonaceous foam thermal insulation layer closing is protected
The object of shield, postpone heat and substrate transmitting, prevent object ignition or because temperature increase due to caused by intensity decline, together
When, the synchronous expansion of expanded vermiculite forms organic whole with carbonaceous foam, strengthens airtightness, the thermal insulation of carbonaceous foam
With heat-insulated intensity, and then the effect for preventing the decline of heat-insulated and intensity is played, the two acts synergistically, produces unexpected
Technical effect.It is demonstrated experimentally that the incomplete expansion vermiculite fire protecting performance of intercalation modifying be completely superior to incomplete expansion vermiculite and
The technical solution of carbon source, the direct simple blend of expansion fire-proof agent of char forming catalyst and foaming agent composition.
Secondly, expansion fire-proof filler intercalation is entered incomplete expansion vermiculite, vermiculite can not only be catalyzed layer of charcoal in high temperature
It is lower to form more carbon residues, reduce the generation of flammable evolution substance and the transmitting of heat, meanwhile, it can further escape
Charcoal solid particle be enclosed in vermiculite interlayer, play good smoke suppressing effect.
Specific embodiment
The technical solution of invention is described in detail combined with specific embodiments below.
Embodiment 1
Fire-type expanded vermiculite A preparation method includes the following steps: that (1) carries out incomplete expansion calcining to vermiculite: taking vermiculite former
Material cleans, and puts into the rotary furnace that temperature is 700 DEG C, and heating expansion 13 seconds obtains incomplete expansion leech after discharging
Stone, density are that bulk density is 1000kg/m3；
(2) incomplete expansion vermiculite is added in solvent, is sufficiently stirred simultaneously ultrasonic disperse 30 minutes, obtains vermiculite suspension,
Solvent is ethyl alcohol；
(3) fire-protection modifying dose is added into vermiculite suspension, and carries out ultrasonic disperse 50 minutes；Wherein, fire-protection modifying dose by low
Molecule class carbon source, char forming catalyst and foaming agent composition, wherein carbon source is pentaerythrite, and char forming catalyst is ammonium dihydrogen phosphate,
Foaming agent is ammonium oxalate, and incomplete expansion vermiculite, carbon source, the weight ratio of char forming catalyst and foaming agent are 10:2:2:1；
(4) gained step (3) acquired solution is centrifuged, and precipitating is dried to obtain fire-type expansion leech
Stone A.
Embodiment 2
On the basis of embodiment 1, change vermiculite heating Bulking Time and temperature, so that the expanded vermiculite heap that step (1) obtains
Product density is 200 kg/m3, other preparation steps are identical, obtain modified expanded vermiculite B.
Embodiment 3
On the basis of embodiment 1, change vermiculite heating Bulking Time and temperature, so that the expanded vermiculite heap that step (1) obtains
Product density is 2000 kg/m3, other preparation steps are identical, obtain modified expanded vermiculite C.
Embodiment 4
The incomplete expansion vermiculite and carbon source, char forming catalyst and foaming agent that 1 step of embodiment (1) is obtained are using high speed dispersion
Agent is directly blended, weight ratio 10:2:2:1, obtains direct blending and modifying expanded vermiculite D.
Embodiment 5
According to weight percent, by modified expanded vermiculite 10%, coating additive and filler 20%, polyaminoester emulsion 50% and tap water
20% is stirred to obtain fireproof coating in high speed disperser with 1000 revs/min, is prepared by using embodiment 1-4
Modified expanded vermiculite A, B, C, D to obtaining fireproof coating A, B, C, D.
Fire protecting performance test
It is coated on 150mm × 150mm × 4mm plank of polished, applies 0.2 millimeters thick or so every time, brush interval 1
It, applying 5 times makes plank coating layer thickness (1 ± 0.05) millimeter or so, and air blast is dried in 35 DEG C of baking ovens.Test sample plate is placed on
On iron ring, coating is face-down, and iron ring and alcohol blast burner mouth vertical range are 7 centimetres, when flame temperature is raised to 1000 DEG C, will spray
Lamp moves on under test sample plate the fire resistant coating that burns, and the temperature sensor head wrapped up with thermal insulation material is fixed on plank and carries on the back fiery face
Back temperature of every 5 minutes records.The combustion testing time is 80 minutes.
Smoke density test tested according to GB/T 8627-2007, wherein sample size 25.4mm × 25.4mm ×
4.0mm。
Ratio is propagated according to GB 12441-2005 " finishing fire retardant paint " test flame
1 Properties of Fire-Proofing Coatings of table
It can be seen that the flame retardant property for being added to the fireproof coating for the expanded vermiculite that special process was modified directly is blended with addition
The flame retardant property of the fireproof coating of modified expanded vermiculite, which has, significantly to be promoted.
Claims (9)
1. a kind of fireproof coating, which is characterized in that comprising following weight percentage components: resin aqueous emulsion 40-70%, changing
Property expanded vermiculite 5-20%, coating additive and other fillers 10-30% and water 10-30%；Wherein, modified expanded vermiculite by walking as follows
Suddenly it is prepared:
(1) incomplete expansion calcining is carried out to vermiculite: vermiculite raw material is taken to clean, and putting into temperature is 500-1000 DEG C
Rotary furnace in, heating expansion 10-20 seconds, incomplete expansion vermiculite, bulk density 800-1200kg/ are obtained after discharging
m3；
(2) incomplete expansion vermiculite is added in solvent, is sufficiently stirred simultaneously ultrasonic disperse 20-40 minutes, obtains vermiculite suspension
Liquid；
(3) fire-protection modifying dose is added into vermiculite suspension, and carries out ultrasonic disperse 40-60 minutes；Wherein, fire-protection modifying dose by
Low molecule class carbon source, char forming catalyst and foaming agent composition；
(4) gained step (3) acquired solution is centrifuged, and precipitating is subjected to preliminarily dried and is changed to obtain fire-type
Property expanded vermiculite；
Wherein, carbon source is pentaerythrite, dipentaerythritol, tripentaerythritol, and char forming catalyst is ammonium dihydrogen phosphate, one hydrogen of phosphoric acid
Ammonium, ammonium metaphosphate, ammonium hypophosphite, ammonium phosphite, phosphorous acid, metaphosphoric acid and/or orthophosphoric acid, foaming agent be dicyandiamide, ammonium oxalate,
Urea or hexamethylenetetramine；
Wherein, according to mass ratio, incomplete expansion vermiculite, carbon source, the weight ratio of char forming catalyst and foaming agent are about 10:(1-
2): (1-2): (0.5-1.5).
2. fireproof coating according to claim 1, which is characterized in that resin aqueous emulsion can be polyaminoester emulsion, gather
Acrylic acid ester emulsion, styrene-acrylic emulsion, acrylate and vinyl acetate emulsion.
3. fireproof coating according to claim 1, which is characterized in that auxiliary agent includes defoaming agent, levelling agent, dispersing agent, increasing
Thick dose and/or wetting agent.
4. fireproof coating according to claim 1, which is characterized in that filler includes titanium dioxide, lithopone or heavy carbonic acid
Calcium.
5. fireproof coating according to claim 1, which is characterized in that rotary furnace operating temperature is 500-800 DEG C, is heated swollen
The swollen time is 12-15 seconds.
6. fireproof coating according to claim 5, which is characterized in that heating Bulking Time is 13 seconds.
7. fireproof coating according to claim 1, which is characterized in that the bulk density of incomplete expansion vermiculite is 900-
1100kg/m3。
8. fireproof coating according to claim 1, which is characterized in that the bulk density of incomplete expansion vermiculite is 950-
1050/m3。
9. fireproof coating according to claim 1, which is characterized in that it is characterized in that, drying condition is naturally dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270681.8A CN109401587B (en) | 2018-10-29 | 2018-10-29 | Fireproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270681.8A CN109401587B (en) | 2018-10-29 | 2018-10-29 | Fireproof coating |
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| CN109401587A true CN109401587A (en) | 2019-03-01 |
| CN109401587B CN109401587B (en) | 2021-03-23 |
Family
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|---|---|---|---|
| CN201811270681.8A Active CN109401587B (en) | 2018-10-29 | 2018-10-29 | Fireproof coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154145A (en) * | 2020-01-16 | 2020-05-15 | 上海工程技术大学 | Intumescent flame retardant and preparation method and application thereof |
| CN111548663A (en) * | 2020-06-01 | 2020-08-18 | 长沙三思新材料科技有限公司 | Preparation method of intumescent flame-retardant coating |
| CN113480928A (en) * | 2021-07-26 | 2021-10-08 | 石家庄易辰防火保温材料有限公司 | Fireproof coating |
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| CN1537821A (en) * | 2003-04-18 | 2004-10-20 | 张东辉 | Water-proof acid resistant heat resistant light heat insulating casting material and its manufacturing method |
| CN104130638A (en) * | 2014-07-18 | 2014-11-05 | 安徽千和新材料科技发展有限公司 | Aqueous fire-proof corrosion-proof paint for steel structure and preparation method thereof |
| CN106145782A (en) * | 2015-03-23 | 2016-11-23 | 上海斯米克健康环境技术有限公司 | A kind of coating of releasable negative oxygen ion and its preparation method and application |
| CN106187576A (en) * | 2016-06-29 | 2016-12-07 | 青岛海之源智能技术有限公司 | A kind of compoiste fertilizer prepared with ermine excrement and preparation method thereof |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1537821A (en) * | 2003-04-18 | 2004-10-20 | 张东辉 | Water-proof acid resistant heat resistant light heat insulating casting material and its manufacturing method |
| CN104130638A (en) * | 2014-07-18 | 2014-11-05 | 安徽千和新材料科技发展有限公司 | Aqueous fire-proof corrosion-proof paint for steel structure and preparation method thereof |
| CN106145782A (en) * | 2015-03-23 | 2016-11-23 | 上海斯米克健康环境技术有限公司 | A kind of coating of releasable negative oxygen ion and its preparation method and application |
| CN106187576A (en) * | 2016-06-29 | 2016-12-07 | 青岛海之源智能技术有限公司 | A kind of compoiste fertilizer prepared with ermine excrement and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154145A (en) * | 2020-01-16 | 2020-05-15 | 上海工程技术大学 | Intumescent flame retardant and preparation method and application thereof |
| CN111548663A (en) * | 2020-06-01 | 2020-08-18 | 长沙三思新材料科技有限公司 | Preparation method of intumescent flame-retardant coating |
| CN113480928A (en) * | 2021-07-26 | 2021-10-08 | 石家庄易辰防火保温材料有限公司 | Fireproof coating |
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| Publication number | Publication date |
|---|---|
| CN109401587B (en) | 2021-03-23 |
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