CN106277980A - A kind of flyash base polymers fireproof coating and preparation method thereof - Google Patents

A kind of flyash base polymers fireproof coating and preparation method thereof Download PDF

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Publication number
CN106277980A
CN106277980A CN201610664722.6A CN201610664722A CN106277980A CN 106277980 A CN106277980 A CN 106277980A CN 201610664722 A CN201610664722 A CN 201610664722A CN 106277980 A CN106277980 A CN 106277980A
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parts
flyash
fireproof coating
base polymers
defoamer
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CN201610664722.6A
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CN106277980B (en
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杨卓舒
史红彬
蔡世楷
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Zhuoda New Material Technology Group Weihai Co Ltd
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Zhuoda New Material Technology Group Weihai Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Fireproofing Substances (AREA)

Abstract

The invention discloses a kind of flyash base polymers fireproof coating and preparation method thereof, count by weight, including following components: alkali-activator 30～40 parts, flyash 40～50 parts, metakaolin 0～15 parts, dispersant 0.02～0.04 part, defoamer 0.03～0.05 part, light calcium carbonate powder 10～20 parts, fire retardant 0.5～0.8 part, thickening agent 0.02～0.04 part, polymer emulsion 1.0～1.5 parts, water 10～20 parts.The present invention solves the technical problem that tradition fire-resistant coating for steel structure exists, the flyash base polymers fireproof coating preparation technology provided is simple, gained fireproof coating good endurance, the most easy to crack, come off, environment-protecting asepsis, rate of drying is fast, may be used for the inside and outside protection of steel building, and effectively utilize the trade waste resource such as flyash, ardealite as filler, and reducing cost, exploitation reducig uses the environmental disruption that other mineral filler causes.

Description

A kind of flyash base polymers fireproof coating and preparation method thereof
Technical field
The invention belongs to fireproof material technology field, relate to flyash base polymers fireproof coating and preparation method thereof.
Background technology
Steel construction, as a kind of novel architecture structure form, has version flexible, from heavy and light, intensity High, shock resistance and morphotropism is good, short construction period, the advantage such as be easily maintained, is widely used under construction.Steel construction is originally Though body is incombustible material, but it has the deadly defect of fire resistance difference.Under high temperature of fire effect, its mechanical property such as surrender Intensity, elastic modelling quantity, weight bearing power all can reduce with the rising of temperature.When structure temperature reaches 300～400 DEG C, its intensity Will decline 50%, when temperature reaches 600 DEG C, whole intensity and toughness lost substantially by steel construction.And typically fire scene temperature can reach 800～1000 DEG C, under such high temperatures, can quickly there is plastic deformation in exposed steel construction, produces local failure, causes Steel construction entirety will be lost weight capacity at about 15min and collapse.A lot, at Practical Project to the safeguard procedures of steel construction In most widely used general and most economical effective method be application fire-resistant coating for steel structure.
In fire-resistant coating for steel structure kind, aqueous inorganic fireproof coating especially thick-layered fire coating (is less than 25mm) having good development prospect, it is inorganic that this coating mostly is vermiculite cement system, ore deposit fibre cement system, magnesia oxychloride cement system etc. System, fire endurance up to 30～180min, uses on the indoor steel construction that fire endurance requires more than 2h more, and construction is adopted more With spraying.This kind of coating coating in a fire does not expands, and relies on material in the noninflammability of material, low heat conductivity or coating Heat absorptivity, delays the temperature rise of steel, protects steel beam column.Its major advantage is that coating stability is good, fire endurance is high, weatherability Good, but its there is indoor and outdoor can not be general, price is higher, lacks the market competitiveness, higher for dual-component coating cost of transportation, The shortcomings such as complex manufacturing.
Summary of the invention
For above-mentioned technical problem, the invention provides flyash base polymers fireproof coating and preparation method thereof, the party Method preparation technology is simple, gained fireproof coating good endurance, the most easy to crack, come off, and environment-protecting asepsis, rate of drying is fast, Ke Yiyong Protect inside and outside steel building, and the trade waste resource such as rational and efficient use flyash, reducing cost, exploitation reducig makes The environmental disruption caused with other mineral filler.
For achieving the above object, technical scheme provided by the present invention is:
A kind of flyash base polymers fireproof coating, counts, by weight including following components:
Alkali-activator 30～40 parts, flyash 40～50 parts, metakaolin 0～15 parts, dispersant 0.02～0.04 part, disappear Infusion 0.03～0.05 part, light calcium carbonate powder 10～20 parts, fire retardant 0.5～0.8 part, thickening agent 0.02～0.04 part, polymer breast Liquid 1.0～1.5 parts, water 10～20 parts.
Preferably, described a kind of flyash base polymers fireproof coating, count by weight, including following components:
Alkali-activator 35 parts, 45 parts of flyash, metakaolin 10 parts, dispersant 0.02 part, defoamer 0.03 part, light calcium carbonate powder 10 parts, fire retardant 0.8 part, thickening agent 0.02 part, polymer emulsion 1.0 parts, 15 parts of water.
Wherein, described alkali-activator is modified water glass；
Wherein, described flyash particle diameter below 75 μm, SiO2、Al2O3、Fe2O3Three's total accounts for more than 72%, calcium content Less than 10%, loss on ignition is less than 10%；
Wherein, described metakaolin is calcined at 800～900 DEG C 2～3 hours by Kaolin and is prepared.
Wherein, described dispersant is sodium hexameta phosphate；
Wherein, one or more in alkyl-silicone oil, alcohols, Oleum Ricini, Petiolus Trachycarpi oil and oleic acid of described defoamer；
Wherein, described light calcium carbonate powder is commercially available, and particle diameter is 800～1000 mesh；
Wherein, described fire retardant is aluminium hydroxide or tripolycyanamide；
Wherein, described thickening agent is inorganic thickening agent or organic thickening agent；
Wherein, described polymer emulsion is silicone acrylic emulsion or pure-acrylic emulsion.
The preparation method of above-mentioned flyash base polymers fireproof coating, comprises the following steps:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.0～1.2, and concentration is 30%～40%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, 1000～1500r/min Add water, dispersant, 30%～the defoamer of 50%, color stuffing, fire retardant under stirring condition, stir 30～40min；
(3) under 600～800r/min stirring conditions, add polymer emulsion, thickening agent, the defoamer of remainder, stir Mix 30～60min, after thing to be mixed is uniform, i.e. obtain fireproof coating.
Wherein, in step (2), stirring condition is preferably 1200r/min, and mixing time is preferably 35min.
Wherein, in step (3), stirring condition is preferably 700r/min, and mixing time is preferably 45min.
By above technical scheme, beneficial effects of the present invention is as follows:
The present invention solves the technical problem that tradition fire-resistant coating for steel structure exists, and the present invention provides flyash base polymers Fireproof coating preparation technology is simple, and gained fireproof coating meets in standard GB/T 14907-2002 " fire-resistant coating for steel structure " Index request, and good endurance, the most easy to crack, come off, environment-protecting asepsis, rate of drying is fast, may be used in steel building Outer protection, and effectively utilize the trade waste resource such as flyash, ardealite as filler, reducing cost, exploitation reducig uses The environmental disruption that other mineral filler causes；The flyash base polymers fireproof coating that the present invention provides can effectively solve currently Alkali metal silicate alkali fireproof coating film is the most water-fast, the most moisture resistance and it is water-fast to mix fluosilicate, borate and organic polymer The problem such as the best, coating cost increase of fire resistance after the modifying agent such as resin.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.Without departing substantially from present invention spirit In the case of essence, the amendment that the inventive method, step or condition are made or replacement, belong to the scope of the present invention.
Used by following example wherein, above-mentioned flyash particle diameter below 75 μm, SiO2、Al2O3、Fe2O3Three's total accounts for More than 72%, calcium content is less than 10%, and loss on ignition is less than 10%；
Embodiment 1
Raw material is prepared: modified water glass 30kg, flyash 40kg, metakaolin 10kg, six is inclined by following components and weight Sodium phosphate 0.02kg, alkyl-silicone oil 0.03kg, the light calcium carbonate powder 20kg of 800 mesh, aluminium hydroxide 0.5kg, inorganic thickening agent 0.02kg, Silicone acrylic emulsion 1.0kg, water 15kg.
Prepare flyash base polymers fireproof coating according to the following steps:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.0, and concentration is 30%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, stir bar at 1000r/min Add water, dispersant, part defoamer, color stuffing, fire retardant under part, stir 30min；
(3) under 600r/min stirring condition, polymer emulsion, thickening agent, the defoamer of remainder, stirring are added 30min, i.e. obtains fireproof coating after thing to be mixed is uniform.
Embodiment 2
Raw material is prepared: modified water glass 35kg, flyash 45kg, metakaolin 10kg, six is inclined by following components and weight Sodium phosphate 0.02kg, Oleum Ricini 0.03kg, the light calcium carbonate powder 10kg of 900 mesh, aluminium hydroxide 0.8kg, inorganic thickening agent 0.02kg, silicon Acrylic emulsion 1.0kg, water 15kg.
Prepare flyash base polymers fireproof coating according to the following steps:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.1, and concentration is 35%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, stir bar at 1200r/min Add water, dispersant, part defoamer, color stuffing, fire retardant under part, stir 35min；
(3) under 700r/min stirring condition, polymer emulsion, thickening agent, the defoamer of remainder, stirring are added 45min, i.e. obtains fireproof coating after thing to be mixed is uniform.
Embodiment 3
By following components and weight preparation raw material: modified water glass 35kg, flyash 45kg, sodium hexameta phosphate 0.02kg, Petiolus Trachycarpi oil 0.03kg, the light calcium carbonate powder 20kg of 1000 mesh, tripolycyanamide 0.5kg, organic thickening agent 0.02kg, pure-acrylic emulsion 1.5kg, Water 15kg.
Prepare flyash base polymers fireproof coating according to the following steps:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.1, and concentration is 35%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, stir bar at 1300r/min Add water, dispersant, part defoamer, color stuffing, fire retardant under part, stir 40min；
(3) under 800r/min stirring condition, polymer emulsion, thickening agent, the defoamer of remainder, stirring are added 50min, i.e. obtains fireproof coating after thing to be mixed is uniform.
Embodiment 4
By following components and weight preparation raw material: modified water glass 35kg, flyash 40kg, metakaolin 5kg, six inclined phosphorus Acid sodium 0.02kg, oleic acid 0.03kg, the light calcium carbonate powder 20kg of 900 mesh, tripolycyanamide 0.5kg, organic thickening agent 0.02kg, pure third breast Liquid 1.5kg, water 10kg.
Prepare flyash base polymers fireproof coating according to the following steps:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.2, and concentration is 40%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, stir bar at 1500r/min Add water, dispersant, part defoamer, color stuffing, fire retardant under part, stir 40min；
(3) under 800r/min stirring condition, polymer emulsion, thickening agent, the defoamer of remainder, stirring are added 50min, i.e. obtains fireproof coating after thing to be mixed is uniform.
Embodiment 5
Raw material is prepared: modified water glass 35kg, flyash 50kg, metakaolin 15kg, six is inclined by following components and weight Sodium phosphate 0.04kg, oleic acid 0.05kg, the light calcium carbonate powder 15kg of 900 mesh, tripolycyanamide 0.7kg, organic thickening agent 0.04kg, pure third Emulsion 1.2kg, water 20kg.
Prepare flyash base polymers fireproof coating according to the following steps:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.2, and concentration is 40%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, stir bar at 1500r/min Add water, dispersant, part defoamer, color stuffing, fire retardant under part, stir 40min；
(3) under 800r/min stirring condition, polymer emulsion, thickening agent, the defoamer of remainder, stirring are added 60min, i.e. obtains fireproof coating after thing to be mixed is uniform.
Test example: the performance of the fireproof coating of detection embodiment 1-5, result such as following table.

Claims (10)

1. a flyash base polymers fireproof coating, it is characterised in that count by weight, including following components:
Alkali-activator 30～40 parts, flyash 40～50 parts, metakaolin 0～15 parts, dispersant 0.02～0.04 part, defoamer 0.03～0.05 part, light calcium carbonate powder 10～20 parts, fire retardant 0.5～0.8 part, thickening agent 0.02～0.04 part, polymer emulsion 1.0 ～1.5 parts, water 10～20 parts.
2. according to the flyash base polymers fireproof coating described in claim 1, it is characterised in that count by weight, including Following components:
Alkali-activator 35 parts, 45 parts of flyash, metakaolin 10 parts, dispersant 0.02 part, defoamer 0.03 part, light calcium carbonate powder 10 Part, fire retardant 0.8 part, thickening agent 0.02 part, polymer emulsion 1.0 parts, 15 parts of water.
3. according to the flyash base polymers fireproof coating described in claim 1, it is characterised in that: described alkali-activator is modified Waterglass；Described flyash particle diameter below 75 μm, SiO2、Al2O3、Fe2O3Three's total accounts for more than 72%, and calcium content is less than 10%, loss on ignition is less than 10%.
4. according to the flyash base polymers fireproof coating described in claim 1, it is characterised in that: described metakaolin is by kaolinite Soil is calcined at 800～900 DEG C 2～3 hours and is prepared；Described dispersant is sodium hexameta phosphate.
5. according to the flyash base polymers fireproof coating described in claim 1, it is characterised in that: described defoamer is selected from alkyl One or more in silicone oil, alcohols, Oleum Ricini, Petiolus Trachycarpi oil and oleic acid；Described light calcium carbonate powder is commercially available, and particle diameter is 800～1000 Mesh.
6. according to the flyash base polymers fireproof coating described in claim 1, it is characterised in that: described fire retardant is hydroxide Aluminum or tripolycyanamide.
7. according to the flyash base polymers fireproof coating described in claim 1, it is characterised in that: described polymer emulsion is silicon Acrylic emulsion or pure-acrylic emulsion.
8. the preparation method of the flyash base polymers fireproof coating described in claim 1, it is characterised in that include following step Rapid:
(1) modulus using sodium hydroxide to adjust modified water glass is 1.0～1.2, and concentration is 30%～40%；
(2) modified water glass adjusted is mixed with flyash, metakaolin mixture, in 1000～1500r/min stirrings Under the conditions of add water, dispersant, 30%～the defoamer of 50%, color stuffing, fire retardant, stir 30～40min；
(3) under 600～800r/min stirring conditions, add polymer emulsion, thickening agent, the defoamer of remainder, stir 30 ～60min, i.e. obtain fireproof coating after thing to be mixed is uniform.
9. according to the preparation method described in claim 8, it is characterised in that: in step (2), stirring condition is 1200r/min, Mixing time is 35min.
10. according to the preparation method described in claim 8, it is characterised in that: in step (3), stirring condition is 700r/min, Mixing time is 45min.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108424673A (en) * 2018-04-25 2018-08-21 重庆大学 A kind of alkali-activated carbonatite fly ash base expansion steel-structure fireproofing coating
CN108912869A (en) * 2018-06-05 2018-11-30 阜南县奋进机械制造有限公司 A kind of preparation method of the anti-mud drum coating of PDC drill bit
CN113511845A (en) * 2021-04-20 2021-10-19 合肥工业大学 Inorganic coating based on fly ash geopolymer and preparation method thereof
US11174202B2 (en) 2019-08-06 2021-11-16 King Fahd University Of Petroleum And Minerals Alkali-activated concrete containing palm oil fuel ash
CN114479524A (en) * 2022-01-06 2022-05-13 武汉理工大学 Steel structure thick-coating type potassium-based biopolymer fireproof coating and preparation method thereof
CN117004278A (en) * 2023-07-28 2023-11-07 斯坦途(福建)防火材料有限公司 Environment-friendly cementing material-based fireproof paint and preparation method thereof

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CN102276215A (en) * 2011-04-25 2011-12-14 长安大学 Fireproof and flame-retarding interface agent for organic thermal-insulation material
CN102320782A (en) * 2011-05-31 2012-01-18 华南理工大学 Rice hull ash and metakaolin based polymer composite fireproof paint and preparation method thereof
CN103601524A (en) * 2013-11-01 2014-02-26 天津大学 Fibre reinforced coal ash based geopolymer foam material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102276215A (en) * 2011-04-25 2011-12-14 长安大学 Fireproof and flame-retarding interface agent for organic thermal-insulation material
CN102320782A (en) * 2011-05-31 2012-01-18 华南理工大学 Rice hull ash and metakaolin based polymer composite fireproof paint and preparation method thereof
CN103601524A (en) * 2013-11-01 2014-02-26 天津大学 Fibre reinforced coal ash based geopolymer foam material and preparation method thereof

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108424673A (en) * 2018-04-25 2018-08-21 重庆大学 A kind of alkali-activated carbonatite fly ash base expansion steel-structure fireproofing coating
CN108424673B (en) * 2018-04-25 2021-05-07 重庆大学 Alkali-activated fly ash-based intumescent fire-retardant coating for steel structure
CN108912869A (en) * 2018-06-05 2018-11-30 阜南县奋进机械制造有限公司 A kind of preparation method of the anti-mud drum coating of PDC drill bit
US11174202B2 (en) 2019-08-06 2021-11-16 King Fahd University Of Petroleum And Minerals Alkali-activated concrete containing palm oil fuel ash
US11548823B2 (en) 2019-08-06 2023-01-10 King Fahd University Of Petroleum And Minerals Palm ash curable concrete composition
US11572310B2 (en) 2019-08-06 2023-02-07 King Fahd University Of Petroleum And Minerals Ash-containing concrete composition
US11572311B2 (en) 2019-08-06 2023-02-07 King Fahd University Of Petroleum And Minerals Concrete composition containing palm oil fuel ash
US11613499B2 (en) 2019-08-06 2023-03-28 King Fahd University Of Petroleum And Minerals Curable concrete composition containing palm ash
US11618715B2 (en) 2019-08-06 2023-04-04 King Fahd University Of Petroleum And Minerals Ash-containing concrete composition
CN113511845A (en) * 2021-04-20 2021-10-19 合肥工业大学 Inorganic coating based on fly ash geopolymer and preparation method thereof
CN114479524A (en) * 2022-01-06 2022-05-13 武汉理工大学 Steel structure thick-coating type potassium-based biopolymer fireproof coating and preparation method thereof
CN117004278A (en) * 2023-07-28 2023-11-07 斯坦途(福建)防火材料有限公司 Environment-friendly cementing material-based fireproof paint and preparation method thereof

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