CN105503070B - Modified vitrified micro ball thermal-insulating mortar - Google Patents

Modified vitrified micro ball thermal-insulating mortar Download PDF

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Publication number
CN105503070B
CN105503070B CN201510875907.7A CN201510875907A CN105503070B CN 105503070 B CN105503070 B CN 105503070B CN 201510875907 A CN201510875907 A CN 201510875907A CN 105503070 B CN105503070 B CN 105503070B
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Prior art keywords
modified
thermal
micro ball
vitrified micro
insulating mortar
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CN105503070A (en
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麻新闻
薛东升
谢旭东
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Shanghai Bei Bei Habitat Construction Group Co Ltd
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Shanghai Bei Bei Habitat Construction Group Co Ltd
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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
    • C04B28/04Portland cements
    • 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
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10Coating or impregnating
    • C04B20/1018Coating or impregnating with organic materials
    • C04B20/1029Macromolecular compounds
    • C04B20/1033Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/46Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents

Abstract

The invention discloses a kind of modified vitrified micro ball thermal-insulating mortar;The thermal insulation mortar includes each component of following weight percent content:Cement 30~47%, slag micropowder 19~25%, modified vitrification micro-bead 15~25%, organic binder bond 1~5%, sierozem power 15~25%, cracking resistance auxiliary agent 1~5%, water-loss reducer 0.5~2%, hydrophober 1~5%.The modified vitrified micro ball thermal-insulating mortar of the present invention not only solves the problems such as inorganic heat insulation mortar volume water absorption rate is excessive by the use of modified vitrification micro-bead and mortar hydrophober;And thermal conductivity factor substantially reduces and compression strength is significantly improved.

Description

Modified vitrified micro ball thermal-insulating mortar
Technical field
The present invention relates to energy-saving building materialses technical field, and in particular to a kind of modified vitrified micro ball thermal-insulating mortar.
Background technology
Due to the upgrading of building thermal insulation material fire protecting performance requirement, inorganic heat insulation material turns into the main flow of current insulation material Material.Wherein, inorganic heat insulation mortar has A levels burning grade, turns into the major product of hot summer and warm winter region energy-saving building materialses One of.Found through the literature search to prior art, Patent No. CN101863639, patent name is a kind of outer for building The patent of invention of the inorganic heat insulation mortar of wall and preparation method thereof, it is using expanded and vitrified small ball as light-weight aggregate, cement and flyash For main binding material, and the inorganic heat insulation mortar that certain additive is prepared is added, there is fire protection flame retarding, ageing resistance The advantages that good, but because the materials such as expanded and vitrified small ball, perlite are hygroscopic, so as to cause inorganic heat insulation mortar heat-insulation system easy Cracking, water absorption rate are big, so as to cause system easy to crack, infiltration, the shortcomings of heat insulation effect is bad, poor durability.At present, although having A little producers add some hydrophober or modifying agent to reach waterproof purpose in inorganic heat insulation mortar, but with organic hydrophobic agent Or the problem of infiltration water absorption rate is excessive still occurs in the failure of modifying agent, inorganic heat preservation system.
The content of the invention
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, there is provided a kind of modified vitrification micro-bead thermal insulation sand Slurry.The modified vitrified micro ball thermal-insulating mortar of the present invention solves by the use of modified vitrification micro-bead and the use of mortar hydrophober The problems such as inorganic heat insulation mortar volume water absorption rate is excessive.
The purpose of the present invention is achieved through the following technical solutions:
The present invention relates to a kind of modified vitrified micro ball thermal-insulating mortar, the thermal insulation mortar includes following weight percent content Each component:
Preferably, the cement is No. 42.5 portland cements.
Preferably, the slag micropowder is that blast furnace granulated slag passes through a kind of superfines that grinding obtains;Its chemical composition master If SiO2、Al2O3、CaO、MgO、Fe2O3、TiO2、MnO2Deng;It is yellow long containing more than 95% vitreum and dicalcium silicate, calcium The mineral such as stone, wollastonite, are approached with cement constituent;Its specific surface area is in 390~410m2/kg。
Preferably, the modified vitrification micro-bead be under the conditions of 200~400 DEG C glass bead through polystyrene, polychlorostyrene second Alkene and the spray modification of polystyrene or polypropylene and polystyrene form.
It is furthermore preferred that the quality amount ratio of polyvinyl chloride and polystyrene is 0.5~0.8: 1.Prepared through the amount ratio Polyvinyl chloride and the modified obtained modified vitrification micro-bead of polystyrene spray not only have good waterproof, barrier performance, also not Cracky, mechanical agitation after 10 minutes breakage rate below 1.5%, and commercially available closed pore glass bead mechanical agitation after 10 minutes break Loss rate is more than 15%;Significantly reducing for breakage rate ensure that inorganic heat insulation mortar body unit weight stability, so as to ensure that heat conduction The stability of coefficient.
It is furthermore preferred that the quality amount ratio of polypropylene and polystyrene is 1~1.5: 1.The polychlorostyrene prepared through the amount ratio Ethene and the modified obtained modified vitrification micro-bead of polystyrene spray not only have good waterproof, barrier performance, are also less prone to brokenly Damage, mechanical agitation after 10 minutes breakage rate below 2%, and commercially available closed pore glass bead mechanical agitation after 10 minutes breakage rate exist More than 15%;Significantly reducing for breakage rate ensure that inorganic heat insulation mortar body unit weight stability, so as to ensure that thermal conductivity factor Stability.
Preferably, the mean particle size of the glass bead is 0.2~3mm, and unit weight is 50~80kg/m3, heat conduction system Number is 0.05~0.2W/mK.The glass bead particle diameter excessive construction for being unfavorable for thermal insulation mortar, the too small glass bead that is unfavorable for Spray is modified, and unit weight directly influences thermal insulation mortar unit weight, and the thermal conductivity factor of glass bead influences spray modified vitrification micro-bead Thermal conductivity factor and intensity and then the thermal conductivity factor and intensity for having influence on thermal insulation mortar.
Preferably, the organic binder bond is styrenic-acrylic latex powder, Acrylic emulsion powder, vinyl acetate-second One or both of alkene latex powder.
Preferably, the sierozem power main component is Ca (OH)2, CaO and a small amount of CaCO3Mixture, be lime finishing Chemical product, its mesh number are 500~1200 mesh.
Preferably, the cracking resistance auxiliary agent is that the length of the auspicious hundred million Sheng Wei synthetic materials Co., Ltd production in Tai'an is 1~10mm Polypropylene anti-crack fiber.
Preferably, the water-loss reducer is in hydroxyethyl cellulose, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose It is one or two kinds of.
Preferably, the hydrophober is powder inorganic aluminate water-proof agent.More preferably agent is the great achievement architectural engineering of Beijing Dechang The DC-W1 inorganic aluminate powder waterproofing agents of Technology Co., Ltd.'s production.
Compared with prior art, the present invention has the advantages that:
1st, the present invention is sprayed by plastics (polystyrene, polyvinyl chloride and polystyrene or polypropylene and polystyrene) The synergistic effect of modified vitrification micro-bead and hydrophober has reached waterproof, the validity of antiseepage.
2nd, the present invention not only solves inorganic heat insulation mortar volume water absorption rate problems of too, and thermal conductivity factor substantially reduces It is significantly improved with compression strength.
3rd, glass bead is modified more cavity structures inside its surface-closed by spray, makes its soundproof effect notable, can be used as Acoustic material;The modified glass bead in its surface not cracky (modified vitrification micro-bead mechanical agitation after 10 minutes breakage rate 3% Hereinafter, commercially available closed pore glass bead mechanical agitation after 10 minutes breakage rate more than 15%), ensure that inorganic heat insulation mortar body hold Weight stability, so as to ensure that the stability of thermal conductivity factor.On the other hand, the inorganic heat insulation mortar of identical weight, under breakage rate After drop so that construction area increases, so as to the construction cost substantially reduced.
Embodiment
With reference to embodiment, the present invention is described in detail.Following examples will be helpful to those skilled in the art The present invention is further understood, but the invention is not limited in any way.It should be pointed out that to one of ordinary skill in the art For, without departing from the inventive concept of the premise, it can also make certain adjustments and improvements.These belong to the guarantor of the present invention Protect scope.
Embodiment 1~5
Embodiment 1~5 is related to modified vitrified micro ball thermal-insulating mortar, and its component included and dosage are shown in Table 1, wherein, slag Micro mist is that blast furnace granulated slag passes through a kind of superfines that grinding obtains;Its chemical composition is mainly SiO2、Al2O3、CaO、MgO、 Fe2O3、TiO2、MnO2Deng;Containing the mineral such as more than 95% vitreum and dicalcium silicate, submellite, wollastonite, with cement Composition approaches;Its specific surface area is in 390~410m2/kg;Contain the dimension limited public affairs of synthetic material in described cracking resistance selection of auxiliary Tai'an auspicious hundred million Take charge of the polypropylene anti-crack fiber of production;
The modified vitrification micro-bead of embodiment 1 is that average grain diameter is 0.2~1mm, unit weight 50kg/m3, thermal conductivity factor is 0.05W/mK glass bead forms under the conditions of 200 DEG C through polystyrene spray modification;
The modified vitrification micro-bead of embodiment 2 is that average grain diameter is 1~1.5mm, unit weight 60kg/m3, thermal conductivity factor is 0.1W/mK glass bead is under the conditions of 300 DEG C through polyvinyl chloride, polystyrene, polypropylene, one kind of polystyrene or two Kind spray modification forms;
The modified vitrification micro-bead of embodiment 3 is that average grain diameter is 1.5~2mm, unit weight 70kg/m3, thermal conductivity factor is 0.15W/mK glass bead is under the conditions of 300 DEG C through polystyrene, polyvinyl chloride, polystyrene, polypropylene, polystyrene One or two kinds of spray modifications form;
The modified vitrification micro-bead of embodiment 4 is that average grain diameter is 2~2.5mm, unit weight 65kg/m3, thermal conductivity factor is 0.12W/mK glass bead is under the conditions of 400 DEG C through polystyrene, polyvinyl chloride, polystyrene, polypropylene, polystyrene One or two kinds of spray modifications form;
The modified vitrification micro-bead of embodiment 5 is that average grain diameter is 2.5~3mm, unit weight 80kg/m3, thermal conductivity factor is 0.2W/mK glass bead is under the conditions of 400 DEG C through polystyrene, polyvinyl chloride, polystyrene, polypropylene, polystyrene One or two kinds of spray modifications form.
During preparation, above-mentioned raw materials are weighed into dispensing by proportioning, sequentially added in mixer, after being thoroughly mixed uniformly, Obtain modified vitrified micro ball thermal-insulating mortar.
Comparative example 1~3
Comparative example 1~3 is related to kervit microbead insulated sand slurry, and its component included and dosage are shown in Table 1;Wherein, slag micropowder It is that blast furnace granulated slag passes through a kind of superfines that grinding obtains;Its chemical composition is mainly SiO2、Al2O3、CaO、MgO、Fe2O3、 TiO2、MnO2Deng;Containing the mineral such as more than 95% vitreum and dicalcium silicate, submellite, wollastonite, connect with cement constituent Closely;Its specific surface area is in 390~410m2/kg;The auspicious hundred million Sheng Wei synthetic materials Co., Ltd production in cracking resistance selection of auxiliary Tai'an Polypropylene anti-crack fiber;The average grain diameter of glass bead is 0.2~1mm, unit weight 50kg/m3, thermal conductivity factor 0.05W/ m·K;Modified vitrification micro-bead is that average grain diameter is 0.2~1mm, and unit weight 50kg/m3, thermal conductivity factor is 0.05W/mK glass Change microballon to form through polystyrene spray modification under the conditions of 200 DEG C;JYQ796 type efficient inorganics waterproof moisture proof agent is Chengdu China The higher fatty acids waterproofing agent of peak economic technology Development Co., Ltd production.
During preparation, above-mentioned raw materials are weighed into dispensing by proportioning, sequentially added in mixer, after being thoroughly mixed uniformly, Obtain kervit microbead insulated sand slurry.
Table 1
To kervit microbead insulated sand slurry made from above-described embodiment 1~5 and comparative example 1~3 according to the standard of execution:DG/ TJ08-2008-2001《Inorganic heat insulation mortar system application technology code》Performance test is carried out, as a result as shown in table 2:
Table 2
From the comparison of embodiment 1 in table 2 and comparative example 1,2,3, the modified vitrification micro-bead using the present invention can reduce The volume water absorption rate and thermal conductivity factor of thermal insulation mortar system;Further, the modified vitrification micro-bead and powder inorganic aluminate water-proof agent With the use of when, the volume water absorption rate and thermal conductivity factor, compression strength that are significantly reduced thermal insulation mortar system are also obviously improved.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (8)

1. a kind of modified vitrified micro ball thermal-insulating mortar, it is characterised in that the thermal insulation mortar includes following weight percent content Each component:
The modified vitrification micro-bead be glass bead under the conditions of 200~400 DEG C through polystyrene, polyvinyl chloride and polyphenyl second Alkene or the spray modification of polypropylene and polystyrene form;The quality amount ratio of the polyvinyl chloride and polystyrene be 0.5~ 0.8∶1;The quality amount ratio of the polypropylene and polystyrene is 1~1.5: 1;
The hydrophober is powder inorganic aluminate water-proof agent.
2. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the cement is No. 42.5 silicic acid Salt cement.
3. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the slag micropowder is blast furnace water Slag passes through the superfines that grinding obtains, and its specific surface area is 390~410m2/kg;The slag micropowder contains more than 95% Vitreum, dicalcium silicate, submellite and wollastonite.
4. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the particle of the glass bead is put down Equal particle diameter is 0.2~3mm, and unit weight is 50~80kg/m3, thermal conductivity factor is 0.05~0.2W/mK.
5. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the organic binder bond is benzene second One or both of alkene-acrylic latex powder, Acrylic emulsion powder, vinyl acetate-ethylene latex powder.
6. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the mesh number of the sierozem power is 500~1200 mesh.
7. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the cracking resistance auxiliary agent is that length is 1~10mm polypropylene anti-crack fiber.
8. modified vitrified micro ball thermal-insulating mortar according to claim 1, it is characterised in that the water-loss reducer is that ethoxy is fine Tie up one or both of element, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose.
CN201510875907.7A 2015-12-02 2015-12-02 Modified vitrified micro ball thermal-insulating mortar Active CN105503070B (en)

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CN106082833B (en) * 2016-07-27 2018-07-20 上海贝恒人居建设集团有限公司 Colour inorganic thermal insulation mortar and preparation method thereof
CN108975796B (en) * 2016-12-27 2020-10-27 广西腾远水泥制品有限公司 Method for manufacturing anti-freezing thermal insulation mortar
CN107098656A (en) * 2017-06-07 2017-08-29 贵州中能高新材料有限公司 A kind of glass bead energy-conserving and environment-protective mortar and its preparation technology
CN107032688B (en) * 2017-06-07 2019-05-03 贵州中能高新材料有限公司 A kind of thermal insulation mortar and preparation method thereof
CN107162530A (en) * 2017-06-20 2017-09-15 合肥市淑芹美装饰工程有限公司 A kind of thermal insulation mortar of antimildew and antibacterial and preparation method thereof
CN108585943A (en) * 2018-05-16 2018-09-28 合肥欧克斯新型建材有限公司 A kind of construction wall thermal insulation material and its preparation process
CN111499333A (en) * 2020-04-18 2020-08-07 山东宇能环境工程有限公司 Nano ceramic composite heat insulation coating and preparation method thereof
CN111517710A (en) * 2020-04-29 2020-08-11 华新水泥股份有限公司 Hydrophobic vitrified micro bubble thermal insulation mortar and preparation method thereof

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US6969423B2 (en) * 2003-09-30 2005-11-29 The Regents Of The University Of Michigan Lightweight strain hardening brittle matrix composites
CN101186475B (en) * 2007-11-30 2011-09-21 华南理工大学 Modified vitrification micro-bead thermal insulation mortar and preparation method thereof
CN102503293B (en) * 2011-09-22 2013-09-04 上海森瀚新型材料科技有限公司 Microcellular foamed modified glazed hollow bead insulating mortar and preparation method thereof
CN103304210B (en) * 2013-06-14 2015-10-28 上海贝恒化学建材有限公司 Inorganic thermal mortar with high strength and preparation method thereof

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