CN101691795B - Integrated self-insulating light wallboard - Google Patents

Integrated self-insulating light wallboard Download PDF

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Publication number
CN101691795B
CN101691795B CN2009101681127A CN200910168112A CN101691795B CN 101691795 B CN101691795 B CN 101691795B CN 2009101681127 A CN2009101681127 A CN 2009101681127A CN 200910168112 A CN200910168112 A CN 200910168112A CN 101691795 B CN101691795 B CN 101691795B
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wallboard
layer
parts
cement
insulating
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CN2009101681127A
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Chinese (zh)
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CN101691795A (en
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刘兴山
靳雪征
刘冰
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刘兴山
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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 hydraulic cements other than calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention provides an integrated self-insulating light wallboard, which comprises an insulating middle layer, an upper external surface layer and a lower external surface layer, wherein the upper external surface layer and the lower external surface layer comprise 900 to 950 parts of cement, 100 to 150 parts of fly ash, 24 to 28 parts of anhydrous calcium chloride, 20 to 24 parts of sodium nitrite, 3.0 to 4.0 parts of polyvinyl alcohol, 3.0 to 3.8 parts of foaming agent and alkali-free fiber glass mesh; the insulating middle layer comprises expanded perlite or polyphenyl particles and an insulating mortar material; wherein the insulating mortar material comprises 400 to 600 parts of cement, 100 to 200 parts of silica fume, 200 to 260 parts of heavy calcium, 4.0 to 6.0 parts of methyl cellulose ether, 20 to 30 parts of latex powder and 2 to 3 parts of anti-pulling fiber. The integrated self-insulating light wallboard of the invention has no gap, is not layered nor hollowed, can be layered and cast with two slurry materials with the same components and properties, is formed once, and realizes the integrated solidification of the materials and the integral synthesis of the wallboard; and the manufacturing cost of the building can be greatly reduced by combining raw materials, labor expenses and the like for the wallboard and the external insulating system.

Description

Integrated self-insulating light wallboard
Technical field
The invention belongs to the construction material field, relate to a kind of integrated self-insulating light wallboard, relate in particular to and a kind of existing several external wall outer insulation materials are placed within the wallboard, melt the integrated self-insulating light wallboard that external-wall heat-insulation material and technology and wallboard are one.
Background technology
The light insulating wall modes that adopt two-layer thin plate therebetween styrofoam claim sandwich heat preservation wallboard or composite thermo-insulating wall board more in the previous patent, and this type of wallboard is because of quality problems, and some city (as Beijing) bans use of.Its shortcoming is: (1) lamina rara externa thin and thick is irregular: this plate is many by craft or semi-mechanization production, and is artificially widely different during the slurry cloth of shop, uneven distribution, and irregular expansion, contraction distortion appear in unbalanced stress; (2) improper gaping of joints: when this plate is installed, the situation of cutting assembly unit is often arranged, the styrofoam that exposes after severing belongs to improper connection when being connected with another piece cement plate, and effectively connecting portion is very little, the unavoidable cracking that occurs; (3) layering in the plate, hollowing: the one, outer cement plate and two kinds of materials variances of sandwich benzene plate are big, and blending is poor, bonding not firm; The 2nd, hydration heat of cement can cause styrofoam to be subjected to thermal contraction (reaching 60-80 ℃ as the magnesia cement heat of hydration), and the wallboard that produces layering, hollowing can water leaking-in or moisture, and moisture expansion and drying shrinkage appears in freeze thawing when changing, and the crack is serious all the more even whole plate spalling occurs, peel off.
A kind of wallboard of sandwich structure is for example disclosed among the CN99117088.1, two metope layer is mixed by cement, fiber, sand and water, sandwich of layers is mixed as lightweight aggregate and cement, Sha Heshui by fire-retardant expandable polystyrene prefoam body particle, and the metope layer and the sandwich of layers of this Light trabs are integrated into.But the lightweight aggregate that its sandwich of layers adopts does not have heat preservation property, especially mixes the material of sand and so on, and its heat-insulating property is very poor; Secondly, if the mixture of cement, sand, fiber and water does not add additive, do not add material modifiedly, the wallboard of making is very heavy, is difficult to reach 1000 kilograms/m 3Below; And the ordinary cement goods generally want maintenance just can reach demoulding strength in 48 hours, if add fiber and sand again, its demould time can be longer.A large amount of place and moulds take, and can only be individual workship's manual production.
On the other hand, in existing external wall outer insulation material, having that application is comparatively ripe is following several: (1) polyphenyl plate thin plastering outer heat preservation system; (2) glue powder polyphenyl particle slurry outer heat preservation system; (3) expanded perlite slurry outer heat preservation system; (4) polyphenyl steel wire net rack plate cast-in-place concrete outer heat preservation system; (5) the Polyurethane outer heat preservation system that hard bubbles.
More than (4), (5) outer heat preservation system cost higher, be usually used in top-grade building.(2), (3) two kinds of outer heat preservation systems are because of construction thickness limited (4-6cm), use not general.Commonly used is (1) heat-insulation system, but the quality of this polyphenyl plate thin plastering exterior wall heat-insulation system is troubling, mainly is that outer tiling comes off, external thermal insulation and wall body slit, water inlet, and large tracts of land comes off etc. generation more.
Summary of the invention
At above-mentioned shortcoming and deficiency, the object of the present invention is to provide a kind of integrated self-insulating light wallboard, be to be used as the expanded perlite of being used as insulation material in light-weight aggregate and the exterior-wall heat insulation, these two kinds of wide material sources of granular polystyrene, cheap material in the wallboard manufacture as inner thermal insulating layer, adopt foam cement to make outer coversheet, two kinds of materials are united two into one combine together.
Another purpose of the present invention is that the technical regulation of integrated self-insulating light wallboard is: prepare the internal layer insulation material by the relevant exterior-wall heat insulation standard criterion of country; Prepare outer coversheet by the relevant materials for wall standard criterion of country, by formula technique and technological process, solve the deficiency that exists in two systems, provide a kind of body of wall thin, in light weight, the insulation up to standard, melt heat insulating material for external and the technology integrated self-insulating wallboard within wallboard.
Still a further object of the present invention is to reduce the used raw material of two systems, repeat with costs such as expensess of labour, reduce by two system resources, the energy repeat take, it is united two into one.This wallboard is used for the house enclosed structure had both substituted common brick, building block class, do not need to do in addition exterior-wall heat insulation again, reduce the construction cost cost.
The objective of the invention is to realize by following technical scheme:
The invention provides a kind of integrated self-insulating light wallboard,, adopt the upper and lower outer surface layer of the Binder Materials of foam cement class as this wallboard with cement, expanded perlite or granular polystyrene and functional preparation insulation intermediate layer as this wallboard.
Described insulation intermediate layer and upper and lower outer surface layer, count by weight, described upper and lower outer surface layer comprises: cement 900-950 part, flyash 100-150 part, anhydrous calcium chloride 24-28 part, natrium nitrosum 20-24 part, polyvinyl alcohol 3.0-4.0 part, blowing agent 3.0-3.8 part, alkali-free glass fiber grid cloth is joined by the wallboard specification; Described insulation intermediate layer comprises thermal insulation mortar material and expanded perlite or granular polystyrene, and wherein said thermal insulation mortar material is: cement 400-600 part, silicon ash 100-200 part, coarse whiting 200-260 part, methyl cellulose ether 4.0-6.0 part, latex powder 20-30 part, the anti-dimension 2-3 part of towing.
Preferably, described upper and lower outer surface layer comprises: 925 parts of cement, 125 parts in flyash, 26 parts of anhydrous calcium chlorides, 22 parts of natrium nitrosums, 3.5 parts of polyvinyl alcohol, 3.4 parts of blowing agents; Alkali-free glass fiber grid cloth is joined by the wallboard specification; Described insulation intermediate layer comprises thermal insulation mortar material and expanded perlite or granular polystyrene, and wherein said thermal insulation mortar material is: 500 parts of cement, and 150 parts of silicon ashes, 230 parts of coarse whitings, 5.0 parts of methyl cellulose ethers, 25 parts of latex powder, anti-towing tieed up 2.5 parts.
Preferably, in the described upper and lower outer surface layer, described cement is general silicon, high alumina or magnesia cement; Described blowing agent is to be composited by first component and second component, it consists of by weight: described first component is polyvinyl alcohol 10-20 part, rosin 15-25 part, natrium carbonicum calcinatum 1.5-2.5 part, industrial caustic soda 3.5-4.5 part, triethanolamine 3-5 part, technical-grade hydrochloric acid 0.2-0.5 part, water 53.5-55.8 part; Described second component is triethanolamine 0.2-0.5 part, sodium sulphate 8-10 part, natrium nitrosum 12-15 part, calcium chloride 10-25 part, water 54.7-64.5 part; Wherein, first and second component compound tense, the part by weight of the two is first: second=0.1-0.5: 4-8.
Preferably, in the described insulation intermediate layer, described cement is general silicon, high alumina or magnesia cement; The part by weight of described thermal insulation mortar material and expanded perlite or granular polystyrene is 28-32: 2.5-3.5; Preferred part by weight is 30: 2.8.
Integrated self-insulating light wallboard of the present invention, long 2800-3000mm, wide 600mm, thickness divide 90mm and 120mm two kinds: the thick wallboard of 90mm top and bottom laminate is thick to be 40-50mm for 20-25mm, insulation intermediate layer thickness respectively; The thick wallboard of 120mm top and bottom laminate is thick respectively for 30-35mm, insulation intermediate layer thickness are 50-60mm., and this wallboard can be made into solid slab or circular hole cored slab.
Integrated self-insulating light wallboard of the present invention, upper and lower two outer surface layer wallboards adopt foam cement (general silicon, high alumina, magnesite etc.) to make, and the one, 500-700kg/m is pressed in weight reduction 3Unit weight preparation slurry; The 2nd, proof strength is higher than plate deadweight 2.3-2.6 bending resistance failing load doubly; The 3rd, good heat insulation, thermal conductivity factor 0.18-0.25W/m.k.Polyvinyl alcohol plays bonding, waterproof, impervious effect as adhesives, blowing agent reduces wallboard weight, anhydrous calcium chloride, natrium nitrosum are realized urging with fixed attention, morning is strong, resistance to deformation, mix with useless quarrel fillers such as Binder Materials, flyash such as cement again, realize that it is in light weight, intensity is high, cracking resistance, performance such as indeformable.Another technical measures are to adopt alkali-free glass fiber grid cloth to improve wallboard cracking resistance, flexural capacity.
Integrated self-insulating light wallboard of the present invention, the insulation intermediate layer is expanded perlite or granular polystyrene, bulk density 13-21kg/ cubic meter is below the particle diameter 5mm.By being incubated the metric system form slurry outward: dry density 200-300kg/ cubic meter, thermal conductivity factor 0.05-0.06W/m.k, compression strength 350-450Kpa, tensile strength 100-200Kpa, shrinkage factor are less than 6%.Be with methyl cellulose ether, latex powder, the anti-dimension of towing, silicon ash, mix, mix with expanded perlite or granular polystyrene again with fillers such as Binder Materials, coarse whiting such as cement, make anti-ly draw, shearing resistance, volume stability, insulation insulation intermediate layer up to standard.
The present invention also provides the preparation method of described integrated self-insulating light wallboard, carries out as follows:
1) takes by weighing cement, silicon ash, coarse whiting, methyl cellulose ether, latex powder, the anti-dimension of towing in described ratio, adding suitable quantity of water and above material stir into the thermal insulation mortar material of flow regime, add expanded perlite or granular polystyrene again and make insulation intermediate layer slurry;
2) take by weighing cement, flyash, anhydrous calcium chloride, natrium nitrosum, polyvinyl alcohol, blowing agent in described ratio, add the upper and lower outer surface layer slurry of wallboard that suitable quantity of water and above material stir into flow regime;
3) become plate: adopt two mixers to stir, place mould (fixing and streamline group mould all can), build wallboard bottom surface layer slurry earlier, carry out at twice when building, middle shop alkali-free glass fiber grid cloth, with pressure roller or chi plate shakeout slurry, guarantee dimensionally stable, thin and thick is even; Build expanded perlite or polystyrene granule insulating mortar then, thin and thick is evenly shakeout and is got final product; Build wallboard upper layer slurry at last, identical with following surface layer slurry methods, surface layer and insulation intermediate layer thickness are the same.
The present invention compares with existing heat preservation light wall board, and its usefulness is:
1) seamless, the not stratified hollowing of integrated self-insulating light wallboard of the present invention, this is because outer surface laminate and inner thermal insulating layer are by composition, two kinds of slurry laminated pourings that characteristic is identical, one-shot forming realizes that the blending of material solidifies, and the globality of wallboard is synthetic;
2) intermediate layer of wallboard of the present invention is provided with as heat-insulation layer, has selected the good material of expanded perlite or granular polystyrene and heat-insulating property for use; And upper and lower outer surface layer adopts the foam cement mortar to make, product weight can be reduced to 500 kilograms/below the m3, the foam cement surface layer has a large amount of micro-bubbles of isolating mutually, its thermal and insulating performance is good; Integrated self-insulating light wallboard of the present invention can be used as thermal insulation external wall panel and uses, not only lightweight but also insulation;
3) the present invention has added modification, enhancing, short functional aid such as coagulate in goods, can make goods reach demoulding strength in 4 hours.Final strength is up to standard fully.For example, adopted auxiliary agent, as: flyash (reduce cost, sharp useless) with modification function, anhydrous calcium chloride, natrium nitrosum (shortly coagulate, strong, freeze thawing resistance early, durable), polyvinyl alcohol (thickening, impervious, waterproof), blowing agent (alleviating goods unit weight, modification anti-deformation, insulation);
4) integrated self-insulating light wallboard of the present invention is important in the building field status.The materials for wall that is used for building maintenance structure accounts for 70% proportion in building construction, and building field is the field of disposable commodities energy-output ratio maximums such as coal, electricity, a whole nation year consumption reaches 4,000,000,000 tons of standard coals, and visible wallboard and outer insulating product be residing critical role in sharp useless this nationwide overall situation of energy-saving and emission-reduction.
5) the present invention unites two into one wallboard and raw material that are incubated two systems outward and expenses of labour etc., can reduce the construction cost cost significantly.Below tabulation is an example comparative illustration cost cost with the exterior wall enclosed structure
Title Thickness Every construction cost per square meter (unit) Explanation
Glue powder polyphenyl particle is incubated outward 4-6cm 60-80 Contain bonding, insulation, glass net or steel mesh, floating, waterproof, cover, fee of material and construction cost
Expanded perlite is incubated outward 4-6cm 60-80 The same
Polyphenyl plate thin plastering is incubated outward 5-10cm 70-100 Contain bonding, anchoring, waterproof, cracking resistance, glass net, steel mesh cover, fee of material and construction cost
The Polyurethane of hard bubbling is incubated outward 4-8cm 130-200 Adopt construction methods such as spray is smeared, poured into a mould, stickup
The common brick wall 37cm 100-115 Contain fee of material and labour costs such as brick, mortar, do not contain outer insulation expense
The common brick wall 49cm 140-160 Contain fee of material and labour costs such as brick, mortar
Hollow brick, blockwork 37cm 110-120 Contain fee of material and labour costs such as building block, mortar linked network, do not contain outer insulation expense.
Integrated self-insulating light wallboard 90cm (bilayer) 120-130 Contain full payments such as installation fee, fee of material and outer insulation expense
In the above contrast table, the 90mm doubling plate of integrated self-insulating wallboard is more close than price with 37cm common brick wall with hollow-brick block, but can save the cost cost of doing exterior wall heat-preserving system in addition.
The specific embodiment
The invention will be further described below in conjunction with embodiment, it should be understood that these embodiment only are used for the purpose of illustration, never limit protection scope of the present invention.
Integrated self-insulating light wallboard is by each the raw material proportioning and the character express (unit of weight: kg) of table 1
Table 1
The preparation method of described blowing agent is as follows:
A. second component: calcium chloride 10-25 part, natrium nitrosum 12-15 part, sodium sulphate 8-10 part, triethanolamine 0.2-0.5 part, water 54.7-64.5 part; Water heated drop into above each component after 30-50 ℃ simultaneously, the barrelling that stirs is stand-by;
B. first component: water intaking 53.5-55.8 part is stand-by with after 70-80 ℃ of 30% the water heating wherein polyvinyl alcohol being diluted; Remaining water is put into the thermal capacitance device, processing industry caustic soda 3.5-4.5 part; Add rosin 15-25 part again, pyrolysis while stirring under 70-80 ℃ of temperature is treated about 90-120 minute to be cooled to normal temperature after raw material fully dissolves, and adds the good natrium carbonicum calcinatum 1.5-2.5 part of dissolving, triethanolamine 3-5 part, technical-grade hydrochloric acid 0.2-0.5 part; Polyvinyl alcohol and above-mentioned material with dissolving is mixed then, can make finished product, and barrelling is stand-by;
Get 0.3 part of first component before the use, 6 parts of second components are mixed and made into compound type concrete foaming agent, and barrelling is stand-by.
More than table " insulation intermediate layer 2 " is an example, gets the raw materials ready by weight proportion: cement 500kg, silicon ash 150kg, coarse whiting 230kg, methyl cellulose ether 5kg, latex powder 25kg, the anti-dimension 2.5kg that tows.Above material 30kg is one group, drops into suitable quantity of water and stirs the 2-3 minute shape slurry that becomes to flow in the mixer, gets this slurry 30kg and stirs 3-5 minute with 2.8kg expanded perlite or granular polystyrene, makes insulation intermediate layer slurry.Per 6 groups is 1 cube.
More than table " upper and lower outer surface layer 2 " is an example, get the raw materials ready by weight proportion: cement 925kg, flyash 125kg, anhydrous calcium chloride 26kg, natrium nitrosum 22kg, polyvinyl alcohol 3.5kg, blowing agent 3.4kg, alkali-free glass fiber screen cloth length are 2800mm, and width is 600mm.According to the mixer capacity, get suitable quantity of water and put into above material and stir and make surface layer plate slurry.
Two kinds of slurries that above-mentioned two mixers stir are poured into die apparatus (being dismountable rectangle frame that has four side plates that aluminium alloy or fiberglass are made) successively, pour into a mould the bottom plate earlier, cast at twice, middle lay glass fiber reticular cloth, then cast insulation intermediate layer, pour into a mould top plate (identical) at last with bottom plate pouring procedure.Every laminate all want roll-in or with the chi plate shakeout, thin and thick is even, every layer of required thickness of thickness two kinds of specification wallboards according to the present invention and deciding.Be that described thickness divides 90mm and 120mm two kinds: the thick wallboard of 90mm top and bottom laminate is thick to be 40-50mm for 20-25mm, insulation intermediate layer thickness respectively; The thick wallboard of 120mm top and bottom laminate is thick respectively for 30-35mm, insulation intermediate layer thickness are 50-60mm., and this wallboard can be made into solid slab or circular hole cored slab.
Used each raw material of the present invention is marketable material.It is common that raw material of the present invention is construction market, as cement, flyash etc., is inorganic chemical industry or raw mineral materials, and low price is nontoxic.The insulation intermediate layer material of wallboard of the present invention, first-selected expanded perlite is a kind of insulation material of cheapness.Selected granular polystyrene is called for short the benzene grain, also is called the granular polystyrene heat insulating material for external when being used for outer the insulation, is to adopt the leftover pieces pulverizing of foamed polystyrene board (being also referred to as the benzene plate) to form, and is commonly used in the architectural exterior insulation field.
The insulating light wall slab that embodiment of the invention 1-3 makes, check according to nation-building portion " JG/T169-2005 test stone ", every performance indications all meet or are better than standard-required, assay is as follows: shock resistance: 5 no through cracks, bending resistance failing load: 2.9 times of plate deadweight, hanging force (N): 1200, air oise insulation factor (db): 42, heat transfer coefficient W/ (m 2.k): 1.9, surface density (kg/m 2): 49.
The integrated self-insulating light wallboard of two kinds of thickness of 90mm of the present invention and 120mm can be applicable to the inner wall of building and the exterior wall of different regions, different weathers.As be used for exterior wall: southern hot area adopts 90mm individual layer wallboard, the middle part area that has a moderate climate to adopt 120mm lamina, north cold area to adopt the 90mm doubling plate all can reach 65% building energy-saving standard.
The integrated self-insulating light wallboard of these two kinds of specifications that the present inventor in the past few years produces the our factory is applied to multilayer, high level and house owed by a citizen exterior wall, and heat insulating effect is remarkable, and the user estimates fine.Be applied to multilayer, skyscraper can be saved cost of a building 20-30%, thermal and insulating performance can surpass 65% energy conservation standard.Be applied to house owed by a citizen and can save warming with coal more than 60% (the Northeast), and build a house with common brick than saving cost 15-20%.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.

Claims (9)

1. an integrated self-insulating light wallboard is characterized in that, as the insulation intermediate layer of this wallboard, adopts the upper and lower outer surface layer of the Binder Materials of foam cement class as this wallboard with cement and expanded perlite or granular polystyrene and functional preparation; This wallboard comprises insulation intermediate layer and upper and lower outer surface layer, counts by weight, is grouped into by following one-tenth respectively:
Described upper and lower outer surface layer comprises: cement 900-950 part, and flyash 100-150 part, anhydrous calcium chloride 24-28 part, natrium nitrosum 20-24 part, polyvinyl alcohol 3.0-4.0 part, blowing agent 3.0-3.8 part, alkali-free glass fiber grid cloth is joined by the wallboard specification;
Described insulation intermediate layer comprises thermal insulation mortar material and expanded perlite or granular polystyrene, and wherein said thermal insulation mortar material is: cement 400-600 part, silicon ash 100-200 part, coarse whiting 200-260 part, methyl cellulose ether 4.0-6.0 part, latex powder 20-30 part, the anti-dimension 2-3 part of towing.
2. integrated self-insulating light wallboard according to claim 1 is characterized in that the described upper and lower outer surface layer of this wallboard comprises: 925 parts of cement, 125 parts in flyash, 26 parts of anhydrous calcium chlorides, 22 parts of natrium nitrosums, 3.5 parts of polyvinyl alcohol, 3.4 parts of blowing agents; Alkali-free glass fiber grid cloth is joined by the wallboard specification;
Described insulation intermediate layer comprises thermal insulation mortar material and expanded perlite or granular polystyrene, and wherein said thermal insulation mortar material is: 500 parts of cement, and 150 parts of silicon ashes, 230 parts of coarse whitings, 5.0 parts of methyl cellulose ethers, 25 parts of latex powder, anti-towing tieed up 2.5 parts.
3. integrated self-insulating light wallboard according to claim 1 and 2 is characterized in that in the described upper and lower outer surface layer, described cement is general silicon, high alumina or magnesia cement;
Described blowing agent is to be composited by first component and second component, and it consists of by weight:
Described first component is polyvinyl alcohol 10-20 part, rosin 15-25 part, natrium carbonicum calcinatum 1.5-2.5 part, industrial caustic soda 3.5-4.5 part, triethanolamine 3-5 part, technical-grade hydrochloric acid 0.2-0.5 part, water 53.5-55.8 part;
Described second component is triethanolamine 0.2-0.5 part, sodium sulphate 8-10 part, natrium nitrosum 12-15 part, calcium chloride 10-25 part, water 54.7-64.5 part;
Wherein, first and second component compound tense, the part by weight of the two is first: second=0.1-0.5: 4-8.
4. integrated self-insulating light wallboard according to claim 1 and 2 is characterized in that in the described insulation intermediate layer, described cement is general silicon, high alumina or magnesia cement;
The part by weight of described thermal insulation mortar material and expanded perlite or granular polystyrene is 28-32: 2.5-3.5.
5. integrated self-insulating light wallboard according to claim 4, the part by weight that it is characterized in that described thermal insulation mortar material and expanded perlite or granular polystyrene is 30: 2.8.
6. integrated self-insulating light wallboard according to claim 1 is characterized in that: mix with cement cementitious material by functional preparation again and mix with expanded perlite or granular polystyrene, obtain wallboard insulation intermediate layer; The insulation intermediate layer thickness of 90mm wallboard is 40-50mm; The insulation intermediate layer thickness of 120mm wallboard is 50-60mm.
7. integrated self-insulating light wallboard according to claim 1 is characterized in that: mix with the foam cement Binder Materials by functional preparation, obtain the upper and lower outer surface layer of wallboard; The upper and lower outer surface layer thickness of 90mm wallboard respectively is 20-25mm; The upper and lower outer surface layer thickness of 120mm wallboard respectively is 30-35mm.
8. method for preparing claim 1 or 2 described integrated self-insulating light wallboards is characterized in that:
1) takes by weighing cement, silicon ash, coarse whiting, methyl cellulose ether, latex powder, the anti-dimension of towing in described ratio, adding suitable quantity of water and above material stir into the thermal insulation mortar material of flow regime, add expanded perlite or granular polystyrene again and make insulation intermediate layer slurry;
2) take by weighing cement, flyash, anhydrous calcium chloride, natrium nitrosum, polyvinyl alcohol, blowing agent in described ratio, add the upper and lower outer surface layer slurry of wallboard that suitable quantity of water and above material stir into flow regime;
3) become plate: adopt two mixers to stir, place mould, fixing or streamline group mould is built surface layer slurry under the wallboard earlier, carry out at twice when building, middle shop alkali-free glass fiber grid cloth, with pressure roller or chi plate shakeout slurry, guarantee dimensionally stable, thin and thick is even; Build expanded perlite or polystyrene granule insulating mortar then, thin and thick is evenly shakeout and is got final product; Build wallboard upper layer slurry at last, identical with following surface layer slurry methods.
9. the application of claim 1 or 2 described integrated self-insulating light wallboards is to be used for skin, its individual layer is used or double-deck the use, is fit to southern and northern different regions.
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