CN109206114A - A kind of prefabricated foamed light heat preservation mine polymers wallboard and preparation method thereof - Google Patents

A kind of prefabricated foamed light heat preservation mine polymers wallboard and preparation method thereof Download PDF

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Publication number
CN109206114A
CN109206114A CN201710513001.XA CN201710513001A CN109206114A CN 109206114 A CN109206114 A CN 109206114A CN 201710513001 A CN201710513001 A CN 201710513001A CN 109206114 A CN109206114 A CN 109206114A
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Prior art keywords
wallboard
polymers
mine
foamed light
parts
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Pending
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CN201710513001.XA
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Chinese (zh)
Inventor
王万金
贺奎
孔韬
刘俊元
夏义兵
王靖
王霞
査炎鹏
马强
昂源
张晓奇
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Beijing Building Construction Research Institute Co Ltd
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Beijing Building Construction Research Institute Co Ltd
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Priority to CN201710513001.XA priority Critical patent/CN109206114A/en
Publication of CN109206114A publication Critical patent/CN109206114A/en
Pending legal-status Critical Current

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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
    • C04B28/006Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/022Means for inserting reinforcing members into the mould or for supporting them in the mould
    • 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
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention discloses a kind of prefabricated foamed light heat preservation mine polymers wallboard and preparation method thereof, it includes following mass parts raw materials: 200~500 parts of flyash, 5~50 parts of miberal powder, 1~50 part of metakaolin, 100~300 parts of waterglass, 5~50 parts of caustic soda, 1~30 part of foaming agent, 1~300 part of waterproofing agent, 1~20 part of fiber, 5~100 parts of water, reinforced mesh.It is laid with reinforced mesh in a mold, slurrying after-pouring is sufficiently stirred in above-mentioned raw material to foam in a mold, after air-setting, steam-cured 3~24 hours in 40 DEG C~95 DEG C, it is prepared for the high-strength Self-insulation wall plate of mine polymers foamed light, has the characteristics that lightweight, high-strength, heat preservation, fire prevention, the big plate of durable and disposal molding.This method convenient can be realized on traditional precast concrete wall panel production line, especially suitable for steel building out-hung panel.

Description

A kind of prefabricated foamed light heat preservation mine polymers wallboard and preparation method thereof
Technical field
The present invention relates to a kind of prefabricated foaming mine polymers wallboard and preparation method thereof, in particular to a kind of prefabricated foamed lights High-strength heat preservation mine polymers wallboard and preparation method thereof belongs to building field high-strength light wallboard prefabricated components preparation technical field.
Background technique
With the development of assembled-type house industrialization technology, precast concrete wall panel becomes the main structure of assembled-type house One of part.The general PC sandwich combined wall board that load bearing heat preserving is prepared using concrete material, is chiefly used in shear wall supporting member, Its unit area bulk density is generally higher than 600kg/m2.But for steel building, lightweight, heat preservation, decorating integrative are needed The cladding panel of change, precast concrete are unable to satisfy design requirement since weight per unit area is excessive, are badly in need of novel light Matter Side fascia maintenance materials.Steel building generally uses the steam-cured plate of ALC flyash, cement EPS sheet, cement foam board etc. at present Batten, such material thermal insulation property can satisfy requirement, but since compression strength, flexural strength are low, are unable to satisfy structure and want It asks, can only be used as partition plate, or be embedded on external wall structure as outer wall board, it cannot be separately as whole assembly The wallboard that structure, heat preservation are integrated uses.Also useful mine polymers (polymers) material substitution cement cementitious material and granular polystyrene are mixed Conjunction prepares light weight board, forms mine polymers EPS sheet, equally exists above-mentioned limitation, it is impossible to be used in exterior wall cladding is used.Therefore assemble The Side fascia that structure, lightweight, heat preservation are integrated becomes Steel Housing Industrialization urgent need technology.
Summary of the invention
The purpose of the invention is to overcome the deficiencies in the prior art, propose a kind of prefabricated foamed light heat preservation mine polymers wall Plate and preparation method thereof.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of prefabricated foamed light heat preservation mine polymers wallboard, the raw material composition and mass fraction of the wallboard are as follows:
200~500 parts of flyash, 5~50 parts of miberal powder, 1~50 part of metakaolin, 100~300 parts of waterglass, caustic soda (hydroxide Sodium) 5~50 parts, 1~30 part of foaming agent, 1~30 part of waterproofing agent, 1~20 part of fiber, 5~100 parts of water, reinforced mesh, steel mesh Piece content determines that the volume of reinforced mesh is the 0.5%~3.5% of wall volume according to the volume of wall.
The flyash is that thermal power plant produces flyash, preferably level-one ash or fine-ground fly-ash;
The modulus 1.5~3.5 of the waterglass;
The foaming agent is hydrogen peroxide, aluminium powder or ammonium sulfate;
The waterproofing agent be one of waterproofing agent of organosilicon, calcium stearate, magnesium stearate, odium stearate, polyaluminium chloride or Two or more mixtures;
The fiber is stainless steel fibre, anti-corrosion steel fibre, alkali-resistant glass fibre, carbon fiber, basalt fibre, polypropylene fibre Dimension, polyacrylonitrile fibre, vinal, polyester fiber, Fypro, ultra high molecular weight polyethylene fiber or wood are fine Dimension;
The reinforced mesh is stainless steel mesh, the carbon steel net of preservative treatment, fiberglass resin mesh sheet or basalt fibre resin Mesh sheet.
A kind of preparation method of prefabricated foamed light heat preservation mine polymers wallboard, step include:
(1) it prepares molding die: mold is made according to the construction profile size of wallboard to be formed;
(2) reinforced mesh is laid in the mold that step (1) obtains;
(3) flyash, miberal powder, metakaolin, waterglass, caustic soda, waterproofing agent, fiber, the water in the raw material of wallboard are mixed Slurrying is closed, and is stirred evenly, foaming agent is then added and is stirred evenly, slurry is obtained, slurry is cast in step (2) immediately and is obtained To be equipped in the mold of reinforced mesh and foam;
(4) after the foaming and solidification of step (3), start to carry out that band mould is steam-cured, and steam curing temperature is 40 DEG C~95 DEG C, and the steam-cured time is 3~24 hours, cool down after steam-cured, demoulding, obtain prefabricated foamed light heat preservation mine polymers wallboard, the wallboard bulk density: 300kg/m3~1500 kg/m3, compression strength: 2.0MPa~16.0MPa, thermal coefficient: 0.05w/ (m k)~0.18w/ (m K), assembled architecture partition plate or out-hung panel are used for.
In the step (4), rate of temperature fall is no more than 20 DEG C/h.
Beneficial effect
(1) present invention is the one kind invented to meet assembled architecture, especially steel building precast facade hanging plate Light structures wallboard, mine polymers bend-press ratio with higher of the present invention, such as 35MPa concrete flexural strength 3MPa or so, crimping Than being about 10%, mine polymer material of the present invention can achieve 30%, and the mine polymers that foams has lightweight and durability, develops one kind The structure wallboard of high-strength light, can be used for partition plate, is also used directly for exterior wall cladding, solve steel construction without structure outside The problem of hanging plate.
(2) the foaming mine polymers wallboard prepared using flyash as main material is used, there is lightweight, high-strength, heat preservation, prevent The advantages of fire, anti-corrosion and disposal molding big plate, simple process are raw material using industrial waste, are green building material, cost performance It is high.
(3) this method can realize the preparation process of wallboard on existing concrete prefabricated production line, without increasing other Equipment, wide adaptability, application technology are strong.
(4) the light high-strength heat preservation wallboard of this method preparation, can satisfy assembled architecture, especially solves steel construction The technical issues of assembled architecture is without integrated outer wall plate.
(5) mineral polymeric material (Geopolymer) is referred to as " mine polymers " a kind of with oxygen-octahedron and alumina The hydraulicity gelling material material for the class zeolite tridimensional network that tetrahedron is connected by bridging oxygen key.Generally by with volcano The materials such as the active sial raw material metakaolin of ash, flyash, volcanic ash, miberal powder are catalyzed in alkaline matters such as waterglass, caustic soda Lower generation dissolution, again polymerization reaction, it is normal temperature solidified, or using the steam-cured polymer-inorganic material for being formed and there is structural strength. Not only have the characteristics that the aquation solidification of similar cement material, high intensity, can pour, also there is high bend-press ratio, high temperature resistant, fire prevention The good characteristics such as heat-insulated, acid-alkali-corrosive-resisting are solid wastes recyclings by it is most effective in the way of.
(6) by the way that foaming agent is added in mine polymers preparation process, the froth inorganic stock of lightweight can be prepared, there is matter Gently, the excellent performances such as heat preservation, sound insulation, compare cement foaming material, have many advantages, such as anti-carbonation, fire resisting, durability, are to prepare gently The preferred embodiment of matter materials for wall.Suitable waterproofing agent is added, the waterproof performance of mine polymers is promoted, addition fibrous material increases material The cracking resistance of material, setting reinforced mesh increase the fracture resistance of plate, and the connecting portion as hanging point.The plate has light Matter, high-strength, heat preservation, fire prevention, feature corrosion-resistant, easy to install are suitable for assembled architecture Side fascia, and spy is standby to be suitable for steel knot Structure cladding panel.The technique can utilize the production line of the prefabricated PC wallboard of existing concrete, can give birth to without too many process flow change Produce such plate, and it is steam-cured after can install and use, without that could dispatch from the factory after needing maintenance as concrete material 28 days, this Production efficiency is high.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
Embodiment 1
Box-like mold, mold depth 20cm × long 300cm × wide 300cm are horizontally arranged on steel platform, brushing release agent is put It sets and handles 8 reinforced mesh of Φ, level-one flyash 1200kg, the miberal powder 80kg, metakaolin that will be measured by epoxy anticorrosion 50kg, alkali-resistant glass fibre 8kg, calcium stearate 5kg are stirred evenly, and are added waterglass 650kg, caustic soda 50kg, water 150kg, are stirred It mixes uniformly, then adds 7kg hydrogen peroxide and stir evenly, be uniformly cast in mold.It is struck off after to be foamed, removes extra slurry, it is quiet Stop solidifying for 5 hours, then for plastic covering film steam-cured 24 hours at 60 DEG C, rate of temperature fall is 5 DEG C/h, is cooled to room temperature and tears open Mould forms the big plate of exterior wall.
The big plate of obtained exterior wall is performed the following performance tests:
It provides to test according to GB11970, bulk density 1050kg/m after drying3
It provides to test according to GB11971, compression strength 10.5MPa, flexural strength 3.0MPa;
It provides to test according to GB10294, thermal coefficient: 0.14w/ (m k).
Embodiment 2
Thickness 20cm × long 300cm × wide 300cm mold is horizontally arranged on steel platform, brushing release agent places Φ 8 pairs Layer stainless steel mesh sheet, by the level-one fine coal 1100kg measured, miberal powder 60kg, metakaolin 60kg, polyacrylonitrile fibre 4kg, Calcium stearate 3kg is stirred evenly, and is added waterglass 600kg, caustic soda 48kg, water 145kg, is stirred evenly, then add 5kg hydrogen peroxide It stirs evenly, is uniformly cast in mold.It is struck off after to be foamed, removes extra slurry, quiet to stop solidifying for 4 hours, then covering modeling Film is expected steam-cured 16 hours under 80 degree, and cooling, demoulding forms the big plate of exterior wall.
The big plate of obtained exterior wall is performed the following performance tests:
It provides to test according to GB11970, bulk density 1100kg/m after drying3
It provides to test according to GB11971, compression strength 11.5MPa, flexural strength 3.4MPa;
It provides to test according to GB10294, thermal coefficient: 0.15w/ (m k).
Embodiment 3
Thickness 20cm × long 300cm × wide 300cm mold is horizontally arranged on steel platform, brushing release agent places Φ 10 pairs Layer glass fiber resin mesh sheet, level-one fine coal 1200kg, miberal powder 60kg, the metakaolin 50kg, polypropylene fibre that will be measured 4kg, waterproofing agent of organosilicon 1kg are stirred evenly, and are added waterglass 620kg, caustic soda 45kg, water 150kg, are stirred evenly, then add 4kg hydrogen peroxide stirs evenly, and is uniformly cast in mold.It is struck off after to be foamed, removes extra slurry, it is quiet to stop solidifying for 6 hours, so Plastic covering film is steam-cured 18 hours at 80 DEG C afterwards, cooling, and demoulding forms the big plate of exterior wall.
The big plate of obtained exterior wall is performed the following performance tests:
It provides to test according to GB11970, bulk density 1000kg/m after drying3
It provides to test according to GB11971, compression strength 10.0MPa, flexural strength 3.0MPa;
It provides to test according to GB10294, thermal coefficient: 0.13w/ (m k).
For embodiment only to illustrate technical concepts and features of the invention, its object is to allow person skilled in the art It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all smart according to the present invention Equivalent change or modification made by refreshing essence, should be covered by the protection scope of the present invention.

Claims (10)

1. prefabricated foamed light keeps the temperature mine polymers wallboard, it is characterised in that: the raw material of the wallboard forms and mass fraction is as follows:
200~500 parts of flyash, 5~50 parts of miberal powder, 1~50 part of metakaolin, 100~300 parts of waterglass, caustic soda 5~50 Part, 1~30 part of foaming agent, 1~30 part of waterproofing agent, 1~20 part of fiber, 5~100 parts of water, reinforced mesh, reinforced mesh content root It is determined according to the volume of wall, the volume of reinforced mesh is the 0.5%-3.5% of wall volume.
2. a kind of prefabricated foamed light according to claim 1 keeps the temperature mine polymers wallboard, it is characterised in that: the fine coal Ash is that thermal power plant produces flyash.
3. a kind of prefabricated foamed light according to claim 2 keeps the temperature mine polymers wallboard, it is characterised in that: flyash one Grade ash or fine-ground fly-ash.
4. a kind of prefabricated foamed light according to claim 1 keeps the temperature mine polymers wallboard, it is characterised in that: the water glass The modulus of glass is 1.5~3.5.
5. a kind of prefabricated foamed light according to claim 1 keeps the temperature mine polymers wallboard, it is characterised in that: the foaming Agent is hydrogen peroxide, aluminium powder or ammonium sulfate.
6. a kind of prefabricated foamed light according to claim 1 keeps the temperature mine polymers wallboard, it is characterised in that: the waterproof Agent is the mixing of one or more of waterproofing agent of organosilicon, calcium stearate, magnesium stearate, odium stearate, polyaluminium chloride Object.
7. a kind of prefabricated foamed light according to claim 1 keeps the temperature mine polymers wallboard, it is characterised in that: the fiber It is fine for stainless steel fibre, anti-corrosion steel fibre, alkali-resistant glass fibre, carbon fiber, basalt fibre, polypropylene fibre, polyacrylonitrile Dimension, vinal, polyester fiber, Fypro, ultra high molecular weight polyethylene fiber or wood-fibred.
8. a kind of prefabricated foamed light according to claim 1 keeps the temperature mine polymers wallboard, it is characterised in that: the reinforcing bar Mesh sheet is stainless steel mesh, the carbon steel net of preservative treatment, fiberglass resin mesh sheet or basalt fibre resin mesh sheet.
9. a kind of preparation method of prefabricated foamed light heat preservation mine polymers wallboard, it is characterised in that step includes:
(1) it prepares molding die: mold is made according to the construction profile size of wallboard to be formed;
(2) reinforced mesh is laid in the mold that step (1) obtains;
(3) flyash, miberal powder, metakaolin, waterglass, caustic soda, waterproofing agent, fiber, the water in the raw material of wallboard are mixed Slurrying is closed, and is stirred evenly, foaming agent is then added and is stirred evenly, slurry is obtained, slurry is cast in step (2) immediately and is obtained To be equipped in the mold of reinforced mesh and foam;
(4) after the foaming and solidification of step (3), start to carry out that band mould is steam-cured, and steam curing temperature is 40 DEG C~95 DEG C, and the steam-cured time is 3~24 hours, cool down after steam-cured, demoulding, obtain prefabricated foamed light heat preservation mine polymers wallboard, the wallboard bulk density: 300kg/m3~1500 kg/m3, compression strength: 2.0MPa~16.0MPa, thermal coefficient: 0.05w/ (m k)~0.18w/ (m K), assembled architecture partition plate or out-hung panel are used for.
10. a kind of preparation method of prefabricated foamed light heat preservation mine polymers wallboard according to claim 9, feature exist In: in the step (4), rate of temperature fall is no more than 20 DEG C/h.
CN201710513001.XA 2017-06-29 2017-06-29 A kind of prefabricated foamed light heat preservation mine polymers wallboard and preparation method thereof Pending CN109206114A (en)

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Publication number Priority date Publication date Assignee Title
CN110498657A (en) * 2019-09-18 2019-11-26 山东和悦生态新材料科技有限责任公司 Yellow River Sand assembled steam-pressing aero-concrete Self-insulation wall plate
CN111423160A (en) * 2020-03-20 2020-07-17 东北农业大学 Light geopolymer thermal insulation material and preparation method thereof
EP3875702A1 (en) 2020-02-27 2021-09-08 Budapesti Müszaki és Gazdaságtudományi Egyetem Method for connecting wall panels to each other and to a support pillar and for fireproofing the connection

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CN110498657A (en) * 2019-09-18 2019-11-26 山东和悦生态新材料科技有限责任公司 Yellow River Sand assembled steam-pressing aero-concrete Self-insulation wall plate
EP3875702A1 (en) 2020-02-27 2021-09-08 Budapesti Müszaki és Gazdaságtudományi Egyetem Method for connecting wall panels to each other and to a support pillar and for fireproofing the connection
CN111423160A (en) * 2020-03-20 2020-07-17 东北农业大学 Light geopolymer thermal insulation material and preparation method thereof

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Application publication date: 20190115