CN107971197A - A kind of method for improving color steel tile fire resistance - Google Patents

A kind of method for improving color steel tile fire resistance Download PDF

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Publication number
CN107971197A
CN107971197A CN201711210549.3A CN201711210549A CN107971197A CN 107971197 A CN107971197 A CN 107971197A CN 201711210549 A CN201711210549 A CN 201711210549A CN 107971197 A CN107971197 A CN 107971197A
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accounts
color steel
steel tile
fire resistance
fire
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CN201711210549.3A
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邹中才
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Taihe County Sheng Tai Color Steel Co Ltd
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Taihe County Sheng Tai Color Steel Co Ltd
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Priority to CN201711210549.3A priority Critical patent/CN107971197A/en
Publication of CN107971197A publication Critical patent/CN107971197A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413—Heating with air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102—Pretreatment of metallic substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
    • 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
    • C09D111/00—Coating compositions based on homopolymers or copolymers of chloroprene
    • C09D111/02—Latex
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D5/08—Anti-corrosive 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/10—Metallic substrate based on Fe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2504/00—Epoxy polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2506/00—Halogenated polymers
    • B05D2506/20—Chlorinated polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2530/00—Rubber or the like
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K3/2279—Oxides; Hydroxides of metals of antimony
    • 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
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/10—Silicon-containing compounds
    • C08K7/12—Asbestos

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  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Finishing Walls (AREA)

Abstract

The present invention relates to color steel tile working process technical field, disclose a kind of method for improving color steel tile fire resistance, color steel tile surface is handled, and brush one layer of heat-insulating fire-proofing material, so as to strengthen its fire protecting performance, destruction of the high temperature for color steel tile performance when fire occurs is prevented, even if at a high temperature of 800 DEG C, also there is excellent synthesis physicochemical property, its tensile strength maintains 1100 1200N/mm2, elongation in 17 18% scopes, tearing strength in 350 400N/mm2Scope, the sun-resistant intensity of fire resistant coating of brushing is high, can restrain oneself more than 60 DEG C high temperature solarizations, also with good anti-seepage effect, ne-leakage phenomenon when observation 12 is small under 2.3MPa hydraulic pressure so that it has broad application prospects.

Description

A kind of method for improving color steel tile fire resistance
Technical field
The invention belongs to color steel tile working process technical field, and in particular to a kind of method for improving color steel tile fire resistance.
Background technology
Color steel tile, also known as：Colored pressed tile, is to use color painted steel strip, the die mould through roll-in clod wash into various wave modes Plate.It is suitable for industry and civil buildings, warehouse, extraordinary building, the roofing in large-span steel house, metope and inner-outer wall Decoration etc., have the characteristics that light, high-strength, color and luster enrich, convenient and quick construction, antidetonation, by wide popularization and application.Color steel Watt construction material has been obtained for everybody accreditation, and color steel tile is current the most widely used color steel tile construction material, it with The advantages that beautiful, light, inexpensive, is widely used in workshop building, lodge etc., and being particularly it has very strong resist Shake, waterproof the advantages that and widely promoted.But, color steel tile building equally also has its fatal weakness.Due to color steel tile Very thin, resistance to elevated temperatures is very poor, is easily deformed upon after heated so as to situations such as causing building collapse, and at us Building generation fire due to color steel tile in life causes the event of the dead group's wound of group also once to occur.Therefore for color steel tile building The analysis of fire resistance, implementation of fire prevention measure etc. should be especially attention, prevent fire and cause serious casualties And property loss.
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided it is a kind of improve color steel tile fire resistance method, to color steel Watt surface is handled, and brushes one layer of heat-insulating fire-proofing material, so as to strengthen its fire protecting performance, prevents high temperature pair when fire occurs In the destruction of color steel tile performance.
The present invention is achieved by the following technical solutions：
A kind of method for improving color steel tile fire resistance, comprises the following steps：
（1）The protective paint on color steel tile surface is polishing to 200 mesh, 400 mesh sand paper successively coarse, is wiped using oil solvent Wipe, containing the urea that mass fraction is 0.5-0.8% and the ammonium hydroxide of 1.5-2.0% in the oil solvent, remaining as gasoline, make after wiping The oxalic acid solution for being 1.0-1.2% with mass concentration is cleaned, and is dried after finally being rinsed well with clear water under hot-air；
（2）2 anti-corrosive primers are brushed on color steel tile surface after surface treatment, which accounts for 45-48%, alkali formula Plumbous chromate accounts for 8.5-9.0%, and first of anti-corrosive primer film amount is 120-130 grams/m, in 40-50 DEG C of hot wind after brushing When lower dry 4-6 is small, second anti-corrosive primer is carried out, film amount is 80-90 grams/m, is spontaneously dried after brushing；
（3）Sprayable refractory after when second prime 10-12 is small, coating layer thickness are 1.3-1.5 millimeters, the refractory material It is made according to mass percent meter of following component：Neoprene latex lotion accounts for 50-55%, aluminium-hydroxide powder accounts for 25-30%, stone Cotton fiber accounts for 4-5%, titanium dioxide accounts for 3.5-4.5%, antimony oxide accounts for 1.5-2.0%, remaining as adjuvant, heated-air drying 4-5 Colored finishing coat is sprayed after hour, colored finishing coat thickness is 70-80 microns, and with the addition of mass fraction in colored finishing coat is 0.12- 0.14% antioxidant and mass fraction is the UV absorbers of 0.08-0.10%.
As further improvement of these options, the antioxidant contains following component according to mass percent meter： Dialkyl-pphenylenediamines account for 30-35%, styrenated phenol accounts for 20-30%, thio-2 acid bay alcohol ester accounts for 15-20%, thio two Propionic acid octadecanol ester accounts for 5-10%, remaining as phosphorous acid diphenyl octyl group ester.
As further improvement of these options, the UV absorbers according to mass percent meter contain it is following into Point：Carbon black accounts for 8-10%, zinc oxide accounts for 5-8%, silica accounts for 3-5%, remaining as benzophenone, used carbon black, oxidation Zinc, silica particle size are between 0.10-0.15 microns.
As further improvement of these options, the neoprene latex quality of the emulsion concentration is 40-43%, hydroxide Aluminium powder particle size is between 0.05-0.08 microns.
The present invention has the following advantages compared with prior art：In order to solve existing color steel tile, performance is drastically when in face of fire Decline, there are the problem of security risk, the present invention provides a kind of method for improving color steel tile fire resistance, to color steel tile surface into Row processing, and one layer of heat-insulating fire-proofing material is brushed, so as to strengthen its fire protecting performance, prevent that high temperature is for color steel tile when fire from occurring The destruction of performance, even if at a high temperature of 800 DEG C, it may have excellent synthesis physicochemical property, its tensile strength maintain 1100- 1200N/mm2, elongation in 17-18% scopes, tearing strength in 350-400N/mm2Scope, the fire resistant coating of brushing are sun-resistant strong Degree is high, can restrain oneself more than 60 DEG C high temperature solarizations, also with good anti-seepage effect, observed under 2.3MPa hydraulic pressure 12 it is small when without Seepage so that it has broad application prospects.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of method for improving color steel tile fire resistance, comprises the following steps：
（1）The protective paint on color steel tile surface is polishing to 200 mesh, 400 mesh sand paper successively coarse, is wiped using oil solvent Wipe, containing the urea and 1.5% ammonium hydroxide that mass fraction is 0.5% in the oil solvent, remaining as gasoline, use quality is dense after wiping The oxalic acid solution scouring for 1.0% is spent, is dried after finally being rinsed well with clear water under hot-air；
（2）2 anti-corrosive primers are brushed on color steel tile surface after surface treatment, which accounts for 45%, alkali formula chromic acid Lead accounts for 8.5%, and first of anti-corrosive primer film amount is 120 grams/m, when drying 4 is small under 40 DEG C of hot wind after brushing, into Row second anti-corrosive primer, film amount are 80 grams/m, are spontaneously dried after brushing；
（3）Sprayable refractory after when second prime 10 is small, coating layer thickness are 1.3 millimeters, and the refractory material is according to matter Amount percentages are made of following component：Neoprene latex lotion account for 50%, aluminium-hydroxide powder account for 25%, asbestos fibre account for 4%, Titanium dioxide accounts for 3.55%, antimony oxide and accounts for 1.5%, remaining as adjuvant, when heated-air drying 4 is small after spray colored finishing coat, it is color Color finishing coat thickness is 70 microns, and it is 0.08% that antioxidant that mass fraction is 0.12% and mass fraction are with the addition of in colored finishing coat UV absorbers.
As further improvement of these options, the antioxidant contains following component according to mass percent meter： Dialkyl-pphenylenediamines, which account for 30%, styrenated phenol and account for 20%, thio-2 acid bay alcohol ester, accounts for 15%, thio-2 acid 18 Carbon alcohol ester accounts for 5%, remaining as phosphorous acid diphenyl octyl group ester.
As further improvement of these options, the UV absorbers according to mass percent meter contain it is following into Point：Carbon black, which accounts for 8%, zinc oxide and accounts for 5%, silica, accounts for 3%, remaining as benzophenone, used carbon black, zinc oxide, titanium dioxide Silicon particle size is between 0.10-0.15 microns.
As further improvement of these options, the neoprene latex quality of the emulsion concentration is 40%, aluminium hydrate powder Last particle size is between 0.05-0.08 microns.
Embodiment 2
A kind of method for improving color steel tile fire resistance, comprises the following steps：
（1）The protective paint on color steel tile surface is polishing to 200 mesh, 400 mesh sand paper successively coarse, is wiped using oil solvent Wipe, the urea and 1.7% ammonium hydroxide that mass fraction is 0.65%, remaining as gasoline, use quality after wiping are contained in the oil solvent The oxalic acid solution that concentration is 1.1% is cleaned, and is dried after finally being rinsed well with clear water under hot-air；
（2）2 anti-corrosive primers are brushed on color steel tile surface after surface treatment, which accounts for 46%, alkali formula chromic acid Lead accounts for 8.8%, and first of anti-corrosive primer film amount is 125 grams/m, when drying 5 is small under 45 DEG C of hot wind after brushing, into Row second anti-corrosive primer, film amount are 85 grams/m, are spontaneously dried after brushing；
（3）Sprayable refractory after when second prime 11 is small, coating layer thickness are 1.4 millimeters, and the refractory material is according to matter Amount percentages are made of following component：Neoprene latex lotion, which accounts for 53%, aluminium-hydroxide powder and accounts for 28%, asbestos fibre, to be accounted for 4.5%th, titanium dioxide accounts for 4.0%, antimony oxide and accounts for 1.8%, remaining as adjuvant, when heated-air drying 4.5 is small after spray colour plane Paint, colored finishing coat thickness are 75 microns, and antioxidant that mass fraction is 0.13% is with the addition of in colored finishing coat and mass fraction is 0.09% UV absorbers.
As further improvement of these options, the antioxidant contains following component according to mass percent meter： Dialkyl-pphenylenediamines, which account for 33%, styrenated phenol and account for 25%, thio-2 acid bay alcohol ester, accounts for 18%, thio-2 acid 18 Carbon alcohol ester accounts for 8%, remaining as phosphorous acid diphenyl octyl group ester.
As further improvement of these options, the UV absorbers according to mass percent meter contain it is following into Point：Carbon black, which accounts for 9%, zinc oxide and accounts for 6%, silica, accounts for 4%, remaining as benzophenone, used carbon black, zinc oxide, titanium dioxide Silicon particle size is between 0.10-0.15 microns.
As further improvement of these options, the neoprene latex quality of the emulsion concentration is 41%, aluminium hydrate powder Last particle size is between 0.05-0.08 microns.
Embodiment 3
A kind of method for improving color steel tile fire resistance, comprises the following steps：
（1）The protective paint on color steel tile surface is polishing to 200 mesh, 400 mesh sand paper successively coarse, is wiped using oil solvent Wipe, containing the urea and 2.0% ammonium hydroxide that mass fraction is 0.8% in the oil solvent, remaining as gasoline, use quality is dense after wiping The oxalic acid solution scouring for 1.2% is spent, is dried after finally being rinsed well with clear water under hot-air；
（2）2 anti-corrosive primers are brushed on color steel tile surface after surface treatment, which accounts for 48%, alkali formula chromic acid Lead accounts for 9.0%, and first of anti-corrosive primer film amount is 130 grams/m, when drying 6 is small under 50 DEG C of hot wind after brushing, into Row second anti-corrosive primer, film amount are 90 grams/m, are spontaneously dried after brushing；
（3）Sprayable refractory after when second prime 10-12 is small, coating layer thickness be 1.5 millimeters, the refractory material according to Mass percent meter is made of following component：Neoprene latex lotion, which accounts for 55%, aluminium-hydroxide powder and accounts for 30%, asbestos fibre, to be accounted for 5%th, titanium dioxide accounts for 4.5%, antimony oxide and accounts for 2.0%, remaining as adjuvant, when heated-air drying 5 is small after spray colored finishing coat, Colored finishing coat thickness is 80 microns, and antioxidant that mass fraction is 0.14% is with the addition of in colored finishing coat and mass fraction is 0.10% UV absorbers.
As further improvement of these options, the antioxidant contains following component according to mass percent meter： Dialkyl-pphenylenediamines, which account for 35%, styrenated phenol and account for 30%, thio-2 acid bay alcohol ester, accounts for 20%, thio-2 acid 18 Carbon alcohol ester accounts for 10%, remaining as phosphorous acid diphenyl octyl group ester.
As further improvement of these options, the UV absorbers according to mass percent meter contain it is following into Point：Carbon black, which accounts for 10%, zinc oxide and accounts for 8%, silica, accounts for 5%, remaining as benzophenone, used carbon black, zinc oxide, dioxy SiClx particle size is between 0.10-0.15 microns.
As further improvement of these options, the neoprene latex quality of the emulsion concentration is 40-43%, hydroxide Aluminium powder particle size is between 0.05-0.08 microns.
Comparative example 1
With differing only in for embodiment 1, step is omitted（1）Surface treatment process, remaining is consistent.
Comparative example 2
With differing only in for embodiment 2, step（2）Middle to use common basecoat paint, remaining is consistent.
Comparative example 3
With differing only in for embodiment 3, step（3）It is middle to use magnesium hydroxide to be added to polyvinyl acetate emulsion as fire retardant Middle to be used as fire proofing material, remaining is consistent.
Contrast experiment
Respectively the fire resistance of color steel tile, while the color steel not deal with are improved using the method for embodiment 1-3 and comparative example 1-3 Watt as control, keep the consistent of irrelevant variable, by after fire resistance test measure color steel tile performance change, by each group comparative result Record as shown in the table：
Project Tensile strength（N/mm2） Tearing strength（N/mm2） Elongation（%） It can bear high temperature（℃）
Embodiment 1 1150 374 17.6 950
Embodiment 2 1180 386 17.8 960
Embodiment 3 1160 380 17.7 955
Comparative example 1 1020 342 16.5 870
Comparative example 2 980 325 14.7 860
Comparative example 3 950 316 14.2 810
Control group 930 307 13.4 750
As can be seen here：Invention significantly improves the fire resistance of color steel tile, even if at a high temperature of 800 DEG C, it may have excellent Synthesis physicochemical property, its tensile strength maintains 1100-1200N/mm2, elongation exists in 17-18% scopes, tearing strength 350-400N/mm2Scope.

Claims (4)

  1. A kind of 1. method for improving color steel tile fire resistance, it is characterised in that comprise the following steps：
    （1）The protective paint on color steel tile surface is polishing to 200 mesh, 400 mesh sand paper successively coarse, is wiped using oil solvent Wipe, containing the urea that mass fraction is 0.5-0.8% and the ammonium hydroxide of 1.5-2.0% in the oil solvent, remaining as gasoline, make after wiping The oxalic acid solution for being 1.0-1.2% with mass concentration is cleaned, and is dried after finally being rinsed well with clear water under hot-air；
    （2）2 anti-corrosive primers are brushed on color steel tile surface after surface treatment, which accounts for 45-48%, alkali formula Plumbous chromate accounts for 8.5-9.0%, and first of anti-corrosive primer film amount is 120-130 grams/m, in 40-50 DEG C of hot wind after brushing When lower dry 4-6 is small, second anti-corrosive primer is carried out, film amount is 80-90 grams/m, is spontaneously dried after brushing；
    （3）Sprayable refractory after when second prime 10-12 is small, coating layer thickness are 1.3-1.5 millimeters, the refractory material It is made according to mass percent meter of following component：Neoprene latex lotion accounts for 50-55%, aluminium-hydroxide powder accounts for 25-30%, stone Cotton fiber accounts for 4-5%, titanium dioxide accounts for 3.5-4.5%, antimony oxide accounts for 1.5-2.0%, remaining as adjuvant, heated-air drying 4-5 Colored finishing coat is sprayed after hour, colored finishing coat thickness is 70-80 microns, and with the addition of mass fraction in colored finishing coat is 0.12- 0.14% antioxidant and mass fraction is the UV absorbers of 0.08-0.10%.
  2. 2. a kind of method for improving color steel tile fire resistance as claimed in claim 1, it is characterised in that the antioxidant is according to matter Amount percentages contain following component：Dialkyl-pphenylenediamines account for 30-35%, styrenated phenol accounts for 20-30%, thio-2 acid Bay alcohol ester accounts for 15-20%, thio-2 acid octadecanol ester accounts for 5-10%, remaining as phosphorous acid diphenyl octyl group ester.
  3. 3. a kind of method for improving color steel tile fire resistance as claimed in claim 1, it is characterised in that the UV absorbers are pressed Contain following component according to mass percent meter：Carbon black accounts for 8-10%, zinc oxide accounts for 5-8%, silica accounts for 3-5%, remaining as hexichol Ketone, used carbon black, zinc oxide, silica particle size are between 0.10-0.15 microns.
  4. A kind of 4. method for improving color steel tile fire resistance as claimed in claim 1, it is characterised in that the neoprene latex lotion Mass concentration is 40-43%, and aluminium-hydroxide powder particle size is between 0.05-0.08 microns.
CN201711210549.3A 2017-11-28 2017-11-28 A kind of method for improving color steel tile fire resistance Pending CN107971197A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108929631A (en) * 2018-07-26 2018-12-04 界首市成龙塑业有限公司 A kind of preparation method of the compound color steel tile of high fire resistance
CN109083334A (en) * 2018-07-26 2018-12-25 界首市成龙塑业有限公司 The high compound color steel tile of fire resistance
CN109184086A (en) * 2018-07-26 2019-01-11 界首市成龙塑业有限公司 A kind of preparation method of the anti-aging compound color steel tile of low noise

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1070208A (en) * 1992-07-23 1993-03-24 化工部海洋涂料研究所 Basic silicochromic lead rust-proof paint
CN102463213A (en) * 2010-11-17 2012-05-23 五冶集团上海有限公司 Construction method of fire-retardant coating for benzene hydrogenation engineering steel structure
CN102876139A (en) * 2012-08-30 2013-01-16 苏州明轩地坪涂料有限公司 Expansion-type fire-retardant paint adopting steel structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1070208A (en) * 1992-07-23 1993-03-24 化工部海洋涂料研究所 Basic silicochromic lead rust-proof paint
CN102463213A (en) * 2010-11-17 2012-05-23 五冶集团上海有限公司 Construction method of fire-retardant coating for benzene hydrogenation engineering steel structure
CN102876139A (en) * 2012-08-30 2013-01-16 苏州明轩地坪涂料有限公司 Expansion-type fire-retardant paint adopting steel structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108929631A (en) * 2018-07-26 2018-12-04 界首市成龙塑业有限公司 A kind of preparation method of the compound color steel tile of high fire resistance
CN109083334A (en) * 2018-07-26 2018-12-25 界首市成龙塑业有限公司 The high compound color steel tile of fire resistance
CN109184086A (en) * 2018-07-26 2019-01-11 界首市成龙塑业有限公司 A kind of preparation method of the anti-aging compound color steel tile of low noise
CN108929631B (en) * 2018-07-26 2021-03-12 安徽成龙塑业科技有限公司 Preparation method of high-fire-resistance composite color steel tile

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Application publication date: 20180501