CN102587607B - Fireproof and flame-retarding type composite heat-insulation decorating plate for outer wall and preparation method of fireproof and flame-retarding type composite heat-insulation decorating plate - Google Patents

Fireproof and flame-retarding type composite heat-insulation decorating plate for outer wall and preparation method of fireproof and flame-retarding type composite heat-insulation decorating plate Download PDF

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CN102587607B
CN102587607B CN 201210006484 CN201210006484A CN102587607B CN 102587607 B CN102587607 B CN 102587607B CN 201210006484 CN201210006484 CN 201210006484 CN 201210006484 A CN201210006484 A CN 201210006484A CN 102587607 B CN102587607 B CN 102587607B
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water
modification
fire
flame
mass ratio
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CN102587607A (en
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黄健
宋雪峰
马保国
蹇守卫
赵子强
殷海波
段超群
苏雷
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武汉理工大学
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Abstract

The invention relates to a fireproof and flame-retarding type composite heat-insulation decorating plate for an outer wall. The fireproof and flame-retarding composite heat-insulation decorating plate comprises a water-soluble non-combustible ceramic protective layer, an organic-inorganic composite toughening layer and a flame-retarding heat-insulation layer, wherein the water-soluble non-combustible ceramic protective layer comprises the components of slag powder, an inorganic filler, re-dispersible latex powder, water glass, an auxiliary agent and a gas phase nano-silica; the organic-inorganic composite toughening layer is fireproof and flame-retarding type polymer mortar and comprises the components of a gel material S, a ceramic microbead, hydroxyethyl methylcellulose, re-dispersible latex powder, limestone powder and modified expandable graphite; and the flame-retarding heat-insulation layer comprises the components of modified expandable polystyrene and modified expandable graphite. The flame-retarding and heat-insulation plate is installed on a wall surface in a manner of adhesion and anchoring. The environment-friendly and energy-saving type flame-retarding and heat-insulation plate for the outer wall, provided by the invention, integrates various performances, such as controllable preforming quality, construction assembling, heat insulation, fire proofing, water proofing, light weight, sound insulation, crazing resistance, hollowing resistance, falling resistance and the like.

Description

A kind of exterior wall fireproof flame retardant type composite thermal insulation decorative board material and preparation method thereof

Technical field

The present invention relates to a kind of exterior wall fireproof flame retardant type composite thermal insulation decorative board material, being mainly used in architectural exterior-protecting construction wall body outer wall fire-proof and thermal-insulation insulation, is the environment-friendly and energy-efficient external wall flame-retarding heat-preserving thermal insulation plate that has pre-formed quality controllable, construction assemblingization and insulation, heat insulation, fire prevention, water resistant, lightweight, sound insulation, cracking resistance, anti-hollowing, resists the various performances such as come off to be integrated.

Background technology

At present, China's building energy consumption has accounted for 27% of national total energy consumption, and, along with economic development, improving constantly of living standards of the people, the proportion of building energy consumption will further increase, and the building energy consumption of European and American developed countries has reached 40% of whole society's total energy consumption at present.Therefore, save building energy consumption, the promotion and implementation Building Energy-saving Work is significant, imperative.

Yet because the External Wall insulation and decoration systematic research of most enterprises is directly to be undertaken prefabricated by outer wall heat preservation system, afterwards for engineering practice, therefore a large amount of technical problems has appearred, as the quality problems of prefabricated thermal insulation decorative panel itself, defect, the plate system supplementary material that heat preservation decoration integrative multifunctional plate construction technology exists lack corresponding research etc.And, in China, widely popularize under the overall background of building energy conservation, all buildings all must reach corresponding energy conservation standard, but in the heat insulating material adopted at present, approximately have 80% to be organic combustible material, external thermal insulation system is to take the poor thin organic heat-insulating system material of plastering of fireproof performance as main.From the fire frequency of existing Present Fireproof Technology of External Insulation System In External Wall and generation, how to carry out the fire savety test of external thermal insulation system, improve the fire savety of all kinds of External Thermal Insulation System, be current key subjects.

In China, under current technical condition, the use of the combustible material such as polystyrene foam and hard-foam polyurethane in External Thermal Insulation System is the most extensive, and this is the cause that produces external thermal insulation system fire savety problem.Along with the progressively raising of energy conservation standard, adopt the thickness of flammable organic insulation material constantly to increase, the problem of external wall fire and fire spread is more outstanding.

The Ministry of Public Security is in the issue-public affairs official document that disappears [2011] No. 65 on March 14th, 2011, the beyond example peak demand that the fire safety performance of national exterior-wall heat insulation sheet material is proposed, and the project building with not examining is strictly supervised.Corresponding, the building exterior wall heat preserving system that fireproof performance is good, heat-insulating property is superior just more can meet the energy-conservation requirement of fire prevention that country proposes, and the approval of winning the market.

After organic insulation material reaches the relevant criterion requirement or increases certain ancillary method, more should emphasize the whole fire savety of system.The evaluation of heat insulating material fire-protection rating can not representative system whole fire safety performance or the real conditions of fire while occurring, even material of some difficult combustion level also can acutely burn when conditions being possessed, so we should catch the emphasis of outer insulated fire problem.Only have the Reaction to fire of outer heat preservation system integral body functional, the make of system is reasonable, and the fire safety performance of guarantee architectural exterior insulation system meets the demands, and to engineering, application just has practical significance widely.

Summary of the invention

Technical problem to be solved by this invention is to provide take the novel external wall heat-insulation plate for external material that energy-efficient, high life and high security, high speed of application be characteristics.The present invention, when taking full advantage of the effectively insulating heat insulating material, combines constructing structure with energy-conservation, obtained more high efficiency outer heat preservation system.

The present invention solves its technical problem by the following technical solutions: a kind of exterior wall fireproof flame retardant type composite thermal insulation decorative board, it is characterized in that including water-soluble ceramic protective layer, organic and inorganic composite toughening layer and the fire-retardant heat insulation layer of not firing, the water-soluble thickness that does not fire ceramic protective layer is 0.3-3mm; The thickness of organic and inorganic composite toughening layer is 1-5mm; The thickness of fire-retardant heat insulation layer is 30-50mm; Wherein,

Water-soluble component and the constituent content thereof that does not fire ceramic protective layer is in mass ratio: slag micropowder: inorganic filler: redispersible latex powder: water glass: auxiliary agent: gas phase nano silica=1~3: 0.2~1.2: 0.13~0.67: 1~2.3: 0.067~0.33: 0.067~0.13;

Organic and inorganic composite toughening layer is fire-retardant heat insulation type polymer mortar, its component and constituent content thereof in mass ratio: cementitious material S: ceramic fine bead: hydroxyethylmethyl-cellulose: redispersible latex powder: agstone: modification expansible graphite=3~7: 1~2.3: 0~0.06: 0.2~0.8: 0~0.7: 0.5~2.5;

The component of fire-retardant heat insulation layer and component thereof are in mass ratio: the modification expandable polystyrene: modification expansible graphite=1: 0.08~0.25.

Press such scheme, the preparation method of described cementitious material S is to be P.O42.5R cement according to mass ratio: 42.5 sulphate aluminium cements: anhydrite=get P.O42.5R cement, 42.5 sulphate aluminium cements and anhydrite at 4.6: 1.9: 1 fully to mix and get final product.

Press such scheme, the preparation method of described modification expandable polystyrene be by water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, bromoalkane, antioxidant according to mass ratio 1.6: 1: 0.03: 0.002: 0.1: 0.008: 0.01~0.02: 0.003 mixed, and carries out impregnation 10~12h and obtain the modification expandable polystyrene under temperature is 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 95-100r/min.

Press such scheme, described bromoalkane is tetrabromoethane, tetrabromobutane or hexabromo-Cyclododecane.

Press such scheme, the modulus n of described water glass is 2.2~2.5.

Press such scheme, described inorganic filler is any one or the multiple mixing in French chalk, mica powder and pigment, and wherein said pigment is any one or the multiple mixing in titanium dioxide, zinc barium powder, chromate or iron oxide pigment.

Press such scheme, the silok7110 water-based wetting dispersing agent that described auxiliary agent is silok company and acrylic acid double cyclopentenyl oxygen ethyl ester coalescents are to mix at 2: 1.3 to form according to mass ratio.

The preparation method of exterior wall fireproof flame retardant type composite thermal insulation decorative board is characterized in that including following steps:

A) preparation of fire-retardant heat insulation layer:

1) be in mass ratio: the modification expandable polystyrene: modification expansible graphite=1: 0.08~0.25, get modification expandable polystyrene and modification expansible graphite, standby;

2) by modification expandable polystyrene feeding vapour pressure 0.2MPa, be preheating in the prefoaming machine of 70 ℃ and carry out prefoam, through the 10h slaking, mix with the modification expansible graphite sheet-forming machine that preheating is put in rear filling, import 95~110 ℃ of Steam Heating in mould, maintenance pressure is 0.08MPa~0.15MPa, cooling and demolding after ventilation finishes, obtain flame-retardant modified insulation layer through cutting, and the organosilicon coupling processing carried out in its surface;

B) preparation of organic and inorganic composite toughening layer

1) according to mass ratio, be P.O42.5R cement: 42.5 sulphate aluminium cements: anhydrite=get at 4.6: 1.9: 1 P.O42.5R cement, 42.5 sulphate aluminium cements and anhydrite fully mix and obtain cementitious material S, then by cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, modification expansible graphite according to mass ratio 3~7: 1~2.3: 0~0.06: 0.2~0.8: 0~0.7: 0.5~2.5 takes;

2) by cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, modification expansible graphite mixing and water adding mix; The consumption of mixing water is definite according to fresh mortar degree of mobilization GB 2419-81, and degree of mobilization is controlled at 165 ± 5mm; By the fire-retardant heat insulation type polymer mortar brushing of gained on fire-retardant heat insulation layer surface to carry out moulding;

C) water-soluble preparation of not firing ceramic protective layer

By slag micropowder, inorganic filler, redispersible latex powder, water glass, auxiliary agent, gas phase nano silica, according to mass ratio 1~3: fully mix after on organic and inorganic composite toughening layer brushed or sprayed at 0.2~1.2: 0.13~0.67: 1~2.3: 0.067~0.33: 0.067~0.13.

Press such scheme, the preparation method of described modification expandable polystyrene be by water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, bromoalkane, antioxidant according to mass ratio 1.6: 1: 0.03: 0.002: 0.1: 0.008: 0.01~0.02: 0.003 mixed, and carries out impregnation 10~12h and obtain the modification expandable polystyrene under temperature is 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 95-100r/min.

Press such scheme, the preparation method of described modification expansible graphite mixes crystalline flake graphite, hydrogen peroxide and fuming nitric aicd, and in ice-water bath, stir rapidly, mild to reaction after by this reaction system constant temperature at 25 ℃, washing, suction filtration, drip acetic acid solution and constantly stir, reaction 60~120min, washing, suction filtration, dry, obtain the modification expansible graphite; Perhaps according to quality than crystalline flake graphite: KMnO 4=1: 0.2~0.4 ratio adds KMnO in crystalline flake graphite 4, stir, add HClO 3solution also keeps 35 ℃ of intermittent stirring reaction 60~120min, then washing, and suction filtration, oven dry can obtain the modification expansible graphite.

The acting as of each main raw material(s) in the present invention:

The modification expandable polystyrene, be expandable macromolecular material, after its prefoam and secondary frothing forming, is main heat preserving and insulating material, and lower coefficient of thermal conductivity is arranged; Wherein having added bromoalkane, is the alkyl halide based flame retardant, can react with the living radical OH that burning generates and give birth to H 2o, reduce OH base and heat in a large number, thereby reach the effect of highly effective flame-retardant;

The modification expansible graphite, for expansion type flame retardant, its effect is can produce volume significantly to expand or produce foam-like material and be covered in surface under higher temperature, form stable heat insulation coating, play isolated air, effectively insulating effect, thereby reach fire-retardant purpose, simultaneously according to the difference in conjunction with material, also can produce because being heated CO 2, NH 3, H 2the non-flammable compressive gases such as O, be diluted fuel gas that the high molecular polymer decomposes discharges and reach fire-retardant effect;

Cementitious material S, play main gelatification, with water, reacts, and generates C-S-H, entringite and Ca (OH) 2deng, the intensity of raising system;

Redispersible latex powder, its effect is adhesive property, the rheological property of adjusting cementitious material, improves volume stability;

Water glass, its effect is to form and stablize fine and close silica network layer and hydrated calcium silicate topping with active base-material breeze;

Inorganic filler, its effect is to be filled in cementitious material inside to play the high-intensity effect of proposing;

Ceramic fine bead, a kind of Hollow Inorganic lightweight aggregate, chemical composition be take silica and alundum (Al2O3) as main, has that particle is thin, several functions such as hollow, light weight, insulation, high-strength, wear-resisting, high temperature resistant, insulation insulation, flame-resistant insulation;

The water-based wetting dispersing agent, a kind of inorganic coating auxiliary agent, be applicable to the moistening dispersion of inorganic coating, keeps good dispersiveness and the mobility of slip, color development power and the gloss of raising coating that can be larger;

Acrylic acid double cyclopentenyl oxygen ethyl ester, a kind of coalescents of inorganic coating, can reduce the vitrification point of coating, automatically carry out polymerization and crosslinked under the environment of film forming, become the composition part of film, can reach than the better hardness of former coating film forming and gloss, itself does not cause the pollution to environment, non-volatile, and there are long-time stability after in being fitted on coating;

Gas phase nano silica, huge specific area, active is greatly arranged, can when coating is dry, form net structure, increase intensity and the fineness of coating simultaneously, and improved the suspension of pigment, can keep coating do not fade for a long time, not stratified, there is thixotropy, resist sagging, to execute formula functional, especially anti-ly be stained with pollutant performance and greatly improve, there is good automatically cleaning ability and adhesive power, and there is extremely strong UV absorption, the infrared external reflection characteristic, thermal insulation and the durability of increase coating.

Fire-retardant heat insulation plate of the present invention is installed on metope by the bonding mode of being combined with anchoring, for having pre-formed quality controllable, construction assemblingization, insulation, heat insulation, fire prevention, water resistant, lightweight, sound insulation, cracking resistance, anti-hollowing, the environment-friendly and energy-efficient external wall flame-retarding heat-preserving thermal insulation plate that resists the various performances such as come off to combine together; Described fire protection flame retarding type composite thermal insulation decorative board be prefabricated, there is highly effective flame-retardant fire prevention, high-efficiency insulated heat insulation and high durable impervious waterproof integrated sheet material.

The present invention compared with prior art has advantages of following main:

1) energy-efficient and durability: the fire-retardant heat insulation layer passes through the control to temperature schedule and pressure regime in its preparation process, improved the accumulation tight ness rating of foam of polymers particle, with common XPS plate commonly used, with the EPS plate, compare, higher tensile strength and low-heat seepage coefficient are more arranged, and make the density of polymer heat preserving plate be controlled at 22 ± 2kg/m 3.Its coefficient of thermal conductivity can be controlled in 0.030-0.038W/ (mK), is better than EPS plate commonly used and XPS extruded sheet (EPS plate coefficient of thermal conductivity is 0.042W/mK, and the XPS plate coefficient of thermal conductivity is 0.038W/mK); The ceramic fine bead added in organic and inorganic composite toughening layer and water-solublely do not fire gas phase nano silica that ceramic protective layer adds and can effectively play composite thermal insulation, radiation proof, the function such as anti-aging;

2) high-grade anti-flammability: add bromoalkane to carry out in the foam of polymers masterbatch flame-retardant modified, added the modification expansible graphite in fire-retardant heat insulation layer and organic and inorganic composite toughening layer, and designed the water-soluble ceramic protective layer that do not fire, further improve the fire retardant performance of sheet material, the fire rating of fire-retardant heat insulation layer is pressed the GB8426-1996 standard, bring up to the B1 level from traditional B2 level, organic and inorganic composite toughening layer and the water-soluble Principle And Method of Flame Retardation Design that does not fire ceramic protective layer make the whole fire rating of sheet material reach the A level;

3) organic and inorganic integraty: add organic and inorganic composite toughening layer at fire-retardant heat insulation layer and water-soluble the combustion between ceramic protective layer, toughening modifying has improved cracking resistance of the present invention; Organic and inorganic composite toughening layer upper and lower interface be by organosilicon coupling modification, strengthened its respectively with fire-retardant heat insulation layer and water-soluble adhesion strength of not firing ceramic protective layer, improved the integraty of sheet material;

4) surperficial noninflammability: be different from that the exterior wall of the domestic overwhelming majority adopts as inflammable organic coatings such as polyacrylate, polyurethane and polyureas; the sheet material outermost layer has been applied homemade nontoxic, the low pollution; the water-soluble ceramic protective layer that do not fire that Volatile Organic Compound (VOC) value is 0, fireproof performance is the A level; its coating used has quick-drying; cure processing without the later stage, can realize the industrialization ready coating.Coating self do not fire person's character, make the overall fire-protection rating of sheet material meet the requirement of A level.

The accompanying drawing explanation

Fig. 1 is exterior wall fireproof flame retardant type composite thermal insulation decorative board equipment structure figure of the present invention.

The specific embodiment:

Below in conjunction with embodiment, the invention will be further described, but not only be confined to the following examples.

Embodiment 1:

The preparation method of exterior wall fireproof flame retardant type composite thermal insulation decorative board includes following steps:

1) preparation of modification expansible graphite: with crystalline flake graphite, hydrogen peroxide, fuming nitric aicd, in ice-water bath, stir rapidly, after mild to reaction by this reaction system constant temperature at 25 ℃, after washing, suction filtration, drip the acetic acid solution of content >=99.5% and constantly stir, reaction 60min, washing, suction filtration, dry, must be without sulphur without ash content modification expansible graphite, expanding volume is 300-350ml/g, wherein the ratio of crystalline flake graphite, fuming nitric aicd, hydrogen peroxide, acetic acid is 5 (g): 12 (ml): 1 (ml): 5 (ml);

2) preparation of modification expandable polystyrene: by water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, tetrabromobutane, antioxidant BHT according to mass ratio 1.6: 1: 0.03: 0.002: 0.1: 0.008: mix at 0.013: 0.003, carrying out impregnation 12h under 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 100r/min can obtain;

3) preparation of fire-retardant heat insulation layer: by step 2) gained modification expandable polystyrene feeding vapour pressure 0.2MPa, be preheating in the prefoaming machine of 70 ℃ and carry out prefoam, after the 10h slaking, with the modification expansible graphite, according to mass ratio, mix at 5: 1, the sheet-forming machine of preheating is put in filling, import 105 ℃ of Steam Heating in mould, maintenance pressure is 0.13MPa, to carry out secondary frothing forming, cooling and demolding after ventilation finishes, make the fire-retardant heat insulation layer 3 that 30mm is thick after cutting, and at its surface spraying silane coupler light coating;

4) preparation of organic and inorganic composite toughening layer: be P.O42.5R cement according to mass ratio: 42.5 sulphate aluminium cements: anhydrite=get at 4.6: 1.9: 1 P.O42.5R cement, 42.5 fully mixing, sulphate aluminium cement and levigate anhydrite obtain cementitious material S, then by cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, the modification expansible graphite was according to mass ratio 4.3: 1.5: 0.02: within 0.6: 0.6: 1.7, ratio is mixed, with after the water mix, evenly be applied on the fire-retardant heat insulation layer, the consumption of mixing water is determined according to fresh mortar degree of mobilization GB 2419-81, degree of mobilization is controlled at 165 ± 5mm, thickness 3mm, and at its surface spraying silane coupler light coating,

5) water-soluble preparation of not firing ceramic protective layer: by slag micropowder, inorganic filler, redispersible latex powder, water glass (modulus n is 2.2), auxiliary agent, gas phase nano silica proportionally 1: 0.29: 0.16: after fully mixing at 1.2: 0.068: 0.13, on organic and inorganic composite toughening layer 2, spraying 2mm makes the water-soluble ceramic protective layer 1 that do not fire, wherein said inorganic filler be French chalk and mica powder in mass ratio example be to mix at 2: 1 to form; Described auxiliary agent is that silok7110 water-based wetting dispersing agent and the acrylic acid double cyclopentenyl oxygen ethyl ester coalescents that silok company produces is to mix at 2: 1.3 to form according to mass ratio.

The chemical composition of all the other primary raw materials of the present invention, physical property are respectively in Table 1-12.

Exterior wall fireproof flame retardant type composite thermal insulation decorative board material implementation process of the present invention is, the metope base treatment → on the flame-retardant composite insulation material, specialty polymer adhesive mortar → stickup flame-retardant composite insulation material → special-purpose anchoring piece anchoring → jointing processing is smeared in part, and adhesive mortar is positioned at 1~3cm place, edge of flame-retardant composite insulation material and the geometric center of plate; Described anchoring piece is metal or high strength plastics anchoring piece, and resistance to tension is >=0.98KN; Coefficient of thermal conductivity is 0.030-0.038W/ (mk), and the classification of insulation layer material combustion reaches the B1 level, and the classification of sheet material integral combustion reaches the A level.

The physical property application of above-mentioned exterior wall fireproof flame retardant type composite thermal insulation decorative board material, experimental result is in Table 13.

Embodiment 2:

1) preparation of modification expansible graphite: according to quality than crystalline flake graphite: KMnO 4=1: 0.3 ratio adds KMnO in crystalline flake graphite 4, stir, add 70% HClO 3solution, maintain ratio that solid-to-liquid ratio is 1: 4 and keep 35 ℃ of intermittent stirrings reaction 90min, after washing, suction filtration, oven dry can obtain the inflatable expanded graphite of modification, and expanding volume is 550ml/g;

2) preparation of modification expandable polystyrene: by water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, hexabromo-Cyclododecane, antioxidant BHT according to mass ratio 1.6: 1: 0.03: 0.002: 0.1: 0.008: mix at 0.02: 0.003, carrying out impregnation 10h under 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 100r/min can obtain;

3) preparation of fire-retardant heat insulation layer: by step 2) gained modification expandable polystyrene feeding vapour pressure 0.2MPa, be preheating in the prefoaming machine of 70 ℃ and carry out prefoam, after the 10h slaking, with the modification expansible graphite, according to mass ratio, mix at 4.5: 1, the sheet-forming machine of preheating is put in filling, import 105 ℃ of Steam Heating in mould, maintenance pressure is 0.12MPa, to carry out secondary frothing forming, cooling and demolding after ventilation finishes, make the fire-retardant heat insulation layer that 40mm is thick after cutting, and at its surface spraying silane coupler light coating;

4) preparation of organic and inorganic composite toughening layer: be P.O42.5R cement according to mass ratio: 42.5 sulphate aluminium cements: anhydrite=get at 4.6: 1.9: 1 P.O42.5R cement, 42.5 fully mixing, sulphate aluminium cement and levigate anhydrite obtain cementitious material S, then by cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, the modification expansible graphite was in 3.7: 1.8: 0.03: within 0.5: 0.6: 2, ratio is mixed, with after the water mix, evenly be applied on the fire-retardant heat insulation layer, the consumption of mixing water is determined according to fresh mortar degree of mobilization GB 2419-81, degree of mobilization is controlled at 165 ± 5mm, thickness 3mm, and at its surface spraying silane coupler light coating,

5) water-soluble preparation of not firing ceramic protective layer: by slag micropowder, inorganic filler, redispersible latex powder, water glass (modulus n is 2.2), auxiliary agent, gas phase nano silica proportionally 2: 0.75: 0.35: after fully mixing at 1.75: 0.15: 0.075, on organic and inorganic composite toughening layer, spraying 2mm makes the water-soluble ceramic protective layer that do not fire, wherein said inorganic filler be French chalk, mica powder and titanium dioxide in mass ratio example be mix to form at 3: 1: 1; Described auxiliary agent is that silok7110 water-based wetting dispersing agent and the acrylic acid double cyclopentenyl oxygen ethyl ester coalescents that silok company produces is to mix at 2: 1.3 to form according to mass ratio.

Embodiment 3:

1) preparation of modification expansible graphite: according to quality than crystalline flake graphite: KMnO 4=1: 0.3 ratio adds KMnO in crystalline flake graphite 4, stir, add 70% HClO 3solution, maintain ratio that solid-to-liquid ratio is 1: 4 and keep 35 ℃ of intermittent stirrings reaction 90min, after washing, suction filtration, oven dry can obtain the inflatable expanded graphite of modification, and expanding volume is 550ml/g;

2) preparation of modification expandable polystyrene: by water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, tetrabromobutane, antioxidant BHT according to mass ratio 1.6: 1: 0.03: 0.002: 0.1: 0.008: mix at 0.017: 0.003, carrying out impregnation 12h under 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 100r/min can obtain;

3) preparation of fire-retardant heat insulation layer: by step 2) gained modification expandable polystyrene feeding vapour pressure 0.2MPa, be preheating in the prefoaming machine of 70 ℃ and carry out prefoam, after the 10h slaking, with the modification expansible graphite, according to mass ratio, mix at 5: 1, the sheet-forming machine of preheating is put in filling, import 105 ℃ of Steam Heating in mould, maintenance pressure is 0.13MPa, to carry out secondary frothing forming, cooling and demolding after ventilation finishes, make the fire-retardant heat insulation layer that 30mm is thick after cutting, and at its surface spraying silane coupler light coating;

4) preparation of organic and inorganic composite toughening layer: be P.O42.5R cement according to mass ratio: 42.5 sulphate aluminium cements: anhydrite=get at 4.6: 1.9: 1 P.O42.5R cement, 42.5 fully mixing, sulphate aluminium cement and levigate anhydrite obtain cementitious material S, then by cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, the modification expansible graphite was in 4: 1.6: 0.04: within 0.6: 0.6: 2, ratio is mixed, with after the water mix, evenly be applied on the fire-retardant heat insulation layer, the consumption of mixing water is determined according to fresh mortar degree of mobilization GB 2419-81, degree of mobilization is controlled at 165 ± 5mm, thickness 3mm, and at its surface spraying silane coupler light coating,

5) water-soluble preparation of not firing ceramic protective layer: by slag micropowder, inorganic filler, redispersible latex powder, water glass (modulus n is 2.2), auxiliary agent, gas phase nano silica proportionally 1: 0.26: 0.54: after fully mixing at 1.4: 0.093: 0.13, on organic and inorganic composite toughening layer, spraying 2mm makes the water-soluble ceramic protective layer that do not fire, wherein said inorganic filler be French chalk, mica powder and ferric oxide red colorant in mass ratio example be mix to form at 2: 1: 2; Described auxiliary agent is that silok7110 water-based wetting dispersing agent and the acrylic acid double cyclopentenyl oxygen ethyl ester coalescents that silok company produces is to mix at 2: 1.3 to form according to mass ratio.

Embodiment 4:

1) preparation of modification expansible graphite: with crystalline flake graphite, hydrogen peroxide, fuming nitric aicd, in ice-water bath, stir rapidly, after mild to reaction by this reaction system constant temperature at 25 ℃, after washing, suction filtration, drip the acetic acid solution of content >=99.5% and constantly stir, reaction 60min, washing, suction filtration, dry, must be without sulphur without ash content modification expansible graphite, expanding volume is 300-350ml/g, wherein the ratio of crystalline flake graphite, fuming nitric aicd, hydrogen peroxide, acetic acid is 5 (g): 12 (ml): 1 (ml): 5 (ml);

2) preparation of modification expandable polystyrene: by water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, hexabromo-Cyclododecane, antioxidant BHT proportionally 1.6: 1: 0.03: 0.002: 0.1: 0.008: mix at 0.02: 0.003, carrying out impregnation 12h under 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 100r/min can obtain;

3) preparation of fire-retardant heat insulation layer: by step 2) gained modification expandable polystyrene feeding vapour pressure 0.2MPa, be preheating in the prefoaming machine of 70 ℃ and carry out prefoam, after the 10h slaking, with the modification expansible graphite, according to mass ratio, mix at 4: 1, the sheet-forming machine of preheating is put in filling, import 105 ℃ of Steam Heating in mould, maintenance pressure is 0.12MPa, to carry out secondary frothing forming, cooling and demolding after ventilation finishes, make the fire-retardant heat insulation layer that 35mm is thick after cutting, and at its surface spraying silane coupler light coating;

4) preparation of organic and inorganic composite toughening layer: be P.O42.5R cement according to mass ratio: 42.5 sulphate aluminium cements: anhydrite=get at 4.6: 1.9: 1 P.O42.5R cement, 42.5 fully mixing, sulphate aluminium cement and levigate anhydrite obtain cementitious material S, then by cementitious material S, ceramic fine bead, redispersible latex powder, the modification expansible graphite was in 4.2: 1.8: 0.5: 2 ratios are mixed, with after the water mix, evenly be applied on the fire-retardant heat insulation layer, the consumption of mixing water is determined according to fresh mortar degree of mobilization GB2419-81, degree of mobilization is controlled at 165 ± 5mm, thickness 2.5mm, and at its surface spraying silane coupler light coating,

5) water-soluble preparation of not firing ceramic protective layer: by slag micropowder, inorganic filler, redispersible latex powder, water glass (modulus n is 2.2), auxiliary agent, gas phase nano silica proportionally 2: 0.75: 0.35: after fully mixing at 1.75: 0.15: 0.1, on organic and inorganic composite toughening layer, spraying 2mm makes the water-soluble ceramic protective layer that do not fire, wherein said inorganic filler be French chalk, zinc barium powder and ferric oxide yellow pigment in mass ratio example be mix to form at 3: 1: 1; Described auxiliary agent is that silok7110 water-based wetting dispersing agent and the acrylic acid double cyclopentenyl oxygen ethyl ester coalescents that silok company produces is to mix at 2: 1.3 to form according to mass ratio.

Embodiment 5:

Except the described raw material of embodiment 4, mix 8% alkaline-resisting styrene-butadiene emulsion at organic and inorganic composite toughening layer, other raw material disposals are with embodiment 4.

Embodiment 6:

Except the described raw material of embodiment 4, mix 5% flyash at organic and inorganic composite toughening layer, grinding to specific area is 2500~3500cm 2/ g, other raw material disposals are with embodiment 4.

Embodiment 7:

Except the described raw material of embodiment 4, mix 3% quicklime, grinding to specific area is 3000~3500cm 2/ g, other raw material disposals are with embodiment 4.

Subordinate list

The physical property of table 1P.O42.5R cement

Chemical analysis/the Wt% of table 2P.O42.5R cement raw material

The physical property of table 342.5 sulphate aluminium cement

Chemical analysis/the Wt% of table 442.5 sulphate aluminium cement raw material

Chemical analysis/the Wt% of table 5 slag micropowder

The grain composition of table 6 limestone

Table 7 gas phase nano silica parameter

Table 8 redispersible latex powder physical property

The physical parameter of table 9 ceramic fine bead and chemical analysis

The physical parameter of ceramic fine bead

Chemical analysis/the Wt% of ceramic fine bead

Table 10silok7110 water-based wetting dispersing agent parameter

Table 11 acrylic acid double cyclopentenyl oxygen ethyl ester parameter

Table 12 antioxidant BHT parameter

Table 13 experimental result

*(in bracket, being fire-retardant heat insulation matrix unit weight)

Claims (10)

1. an exterior wall fireproof flame retardant type composite thermal insulation decorative board, is characterized in that including water-soluble ceramic protective layer, organic and inorganic composite toughening layer and the fire-retardant heat insulation layer of not firing, and the water-soluble thickness that does not fire ceramic protective layer is 0.3-3mm; The thickness of organic and inorganic composite toughening layer is 1-5mm; The thickness of fire-retardant heat insulation layer is 30-50mm; Wherein,
Water-soluble component and the constituent content thereof that does not fire ceramic protective layer is in mass ratio: slag micropowder: inorganic filler: redispersible latex powder: water glass: auxiliary agent: gas phase nano silica=1 ~ 3:0.2 ~ 1.2:0.13 ~ 0.67:1 ~ 2.3:0.067 ~ 0.33:0.067 ~ 0.13;
Organic and inorganic composite toughening layer is fire-retardant heat insulation type polymer mortar, its component and constituent content thereof in mass ratio: cementitious material S: ceramic fine bead: hydroxyethylmethyl-cellulose: redispersible latex powder: agstone: modification expansible graphite=3 ~ 7:1 ~ 2.3:0 ~ 0.06:0.2 ~ 0.8:0 ~ 0.7:0.5 ~ 2.5;
The component of fire-retardant heat insulation layer and constituent content thereof are in mass ratio: the modification expandable polystyrene: modification expansible graphite=1:0.08 ~ 0.25.
2. by exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 1, the preparation method who it is characterized in that described cementitious material S is to be P.O42.5R cement according to mass ratio: 42.5 sulphate aluminium cements: anhydrite=4.6:1.9:1 gets P.O42.5R cement, 42.5 sulphate aluminium cements and anhydrite and fully mixes and get final product.
3. by exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 1, the preparation method who it is characterized in that described modification expandable polystyrene mixes water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, bromoalkane, antioxidant according to mass ratio 1.6:1:0.03:0.002:0.1:0.008:0.01 ~ 0.02:0.003, carry out impregnation 10 ~ 12h and obtain the modification expandable polystyrene under temperature is 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 95-100r/min.
4. by exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 3, it is characterized in that described bromoalkane is tetrabromoethane, tetrabromobutane or hexabromo-Cyclododecane.
5. by exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 1, the modulus n that it is characterized in that described water glass is 2.2 ~ 2.5.
6. by exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 1, it is characterized in that described inorganic filler is any one or the multiple mixing in French chalk, mica powder and pigment, wherein said pigment is any one or the multiple mixing in titanium dioxide, zinc barium powder, chromate or iron oxide pigment.
7. by exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 1, it is characterized in that silok7110 water-based wetting dispersing agent and acrylic acid double cyclopentenyl oxygen ethyl ester coalescents that described auxiliary agent is silok company are that 2:1.3 mixes composition according to mass ratio.
8. the preparation method of the described exterior wall fireproof flame retardant type of claim 1 ~ 6 any one composite thermal insulation decorative board is characterized in that including following steps:
A) preparation of fire-retardant heat insulation layer:
1) be in mass ratio: the modification expandable polystyrene: modification expansible graphite=1:0.08 ~ 0.25, get modification expandable polystyrene and modification expansible graphite, standby;
2) by modification expandable polystyrene feeding vapour pressure 0.2MPa, be preheating in the prefoaming machine of 70 ℃ and carry out prefoam, through the 10h slaking, mix with the modification expansible graphite sheet-forming machine that preheating is put in rear filling, import 95 ~ 110 ℃ of Steam Heating in mould, maintenance pressure is 0.08MPa ~ 0.15MPa, cooling and demolding after ventilation finishes, obtain flame-retardant modified insulation layer through cutting, and the organosilicon coupling processing carried out in its surface;
B) preparation of organic and inorganic composite toughening layer
1) according to mass ratio, be P.O42.5R cement: 42.5 sulphate aluminium cements: anhydrite=4.6:1.9:1 gets P.O42.5R cement, 42.5 sulphate aluminium cements and anhydrite and fully mixes and obtain cementitious material S, then cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, modification expansible graphite is taken according to mass ratio 3 ~ 7:1 ~ 2.3:0 ~ 0.06:0.2 ~ 0.8:0 ~ 0.7:0.5 ~ 2.5;
2) by cementitious material S, ceramic fine bead, hydroxyethylmethyl-cellulose, redispersible latex powder, agstone, modification expansible graphite mixing and water adding mix; The consumption of mixing water is definite according to fresh mortar degree of mobilization GB 2419-81, and degree of mobilization is controlled at 165 ± 5mm; By the fire-retardant heat insulation type polymer mortar brushing of gained on fire-retardant heat insulation layer surface to carry out moulding;
C) water-soluble preparation of not firing ceramic protective layer
By slag micropowder, inorganic filler, redispersible latex powder, water glass, auxiliary agent, gas phase nano silica is brushed or is sprayed after fully mixing according to mass ratio 1 ~ 3:0.2 ~ 1.2:0.13 ~ 0.67:1 ~ 2.3:0.067 ~ 0.33:0.067 ~ 0.13 on organic and inorganic composite toughening layer.
9. press the preparation method of exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 8, the preparation method who it is characterized in that described modification expandable polystyrene mixes water, polystyrene mother material, sodium butylnaphthalenesulfonate, polyvinyl alcohol, butane, cumyl peroxide, bromoalkane, antioxidant according to mass ratio 1.6:1:0.03:0.002:0.1:0.008:0.01 ~ 0.02:0.003, carry out impregnation 10 ~ 12h and obtain the modification expandable polystyrene under temperature is 72 ± 2 ℃, the rotating speed of pressure 0.9 ± 0.1MPa, 95-100r/min.
10. press the preparation method of exterior wall fireproof flame retardant type composite thermal insulation decorative board claimed in claim 8, the preparation method who it is characterized in that described modification expansible graphite mixes crystalline flake graphite, hydrogen peroxide and fuming nitric aicd, and in ice-water bath, stir rapidly, mild to reaction after by this reaction system constant temperature at 25 ℃, washing, suction filtration, drip acetic acid solution and constantly stir, reaction 60 ~ 120min, washing, suction filtration, dry, obtain the modification expansible graphite; Perhaps according to quality than crystalline flake graphite: KMnO 4the ratio of=1:0.2 ~ 0.4 adds KMnO in crystalline flake graphite 4, stir, add HClO 3solution also keeps 35 ℃ of intermittent stirring reaction 60 ~ 120min, then washing, and suction filtration, oven dry can obtain the modification expansible graphite.
CN 201210006484 2012-01-09 2012-01-09 Fireproof and flame-retarding type composite heat-insulation decorating plate for outer wall and preparation method of fireproof and flame-retarding type composite heat-insulation decorating plate CN102587607B (en)

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