CN105503070A - Modified vitrified micro bubble thermal mortar - Google Patents

Modified vitrified micro bubble thermal mortar Download PDF

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Publication number
CN105503070A
CN105503070A CN201510875907.7A CN201510875907A CN105503070A CN 105503070 A CN105503070 A CN 105503070A CN 201510875907 A CN201510875907 A CN 201510875907A CN 105503070 A CN105503070 A CN 105503070A
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Prior art keywords
vitrified micro
thermal
modified
micro ball
mortar
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CN201510875907.7A
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CN105503070B (en
Inventor
麻新闻
薛东升
谢旭东
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SHANGHAI BEIHENG CHEMICAL BUILDING MATERIAL CO Ltd
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SHANGHAI BEIHENG CHEMICAL BUILDING MATERIAL CO Ltd
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Publication of CN105503070A publication Critical patent/CN105503070A/en
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Classifications

    • 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 modified vitrified micro bubble thermal mortar. The thermal mortar comprises the following components by weight percent: 30-47% of cement, 19-25% of superfine slag powder, 15-25% of modified vitrified micro bubbles, 1-5% of an organic binder, 15-25% of ash-calcium-powder, 1-5% of an anti-crack additive, 0.5-2% of a water-retaining agent and 1-5% of a water repellent. By use of modified vitrified micro bubbles and the mortar water repellent, not only is the problem that the water absorption per volume of an inorganic thermal insulation mortar is too high solved, but also the heat conductivity is remarkably reduced and the compressive strength is obviously improved.

Description

Modified vitrified micro ball thermal-insulating mortar
Technical field
The present invention relates to energy-saving building materials technical field, be specifically related to a kind of modified vitrified micro ball thermal-insulating mortar.
Background technology
Due to the upgrading that building thermal insulation material fire resistance requires, inorganic heat insulation material becomes the mainstay material of current lagging material.Wherein, inorganic heat insulation mortar has A level burning grade, becomes one of main products of hot summer and warm winter region energy-saving building materials.Through finding the literature search of prior art, the patent No. is CN101863639, patent name is the patent of invention of a kind of inorganic heat insulation mortar for external wall and preparation method thereof, it take expanded and vitrified small ball as light-weight aggregate, cement and flyash are main binding material, and add the inorganic heat insulation mortar that certain additive is prepared from, there is fire protection flame retarding, the advantages such as resistance to deterioration is good, but due to expanded and vitrified small ball, the materials such as perlite easily absorb water, thus cause inorganic heat insulation mortar heat-insulation system easy to crack, water-intake rate is large, thus cause system easy to crack, infiltration, heat insulation effect is not good, the shortcomings such as poor durability.At present, although some producer adds some hydrophober or properties-correcting agent to reach waterproof object in inorganic heat insulation mortar, along with the inefficacy of organic hydrophobic agent or properties-correcting agent, inorganic heat preservation system still there will be the excessive problem of infiltration water-intake rate.
Summary of the invention
The object of the invention is to the deficiency overcoming the existence of above-mentioned prior art, a kind of modified vitrified micro ball thermal-insulating mortar is provided.Modified vitrified micro ball thermal-insulating mortar of the present invention by the use of modified vitrification micro-bead and the use of mortar hydrophober, solves the problems such as inorganic heat insulation mortar volume water absorption rate is excessive.
The object of the invention is to be achieved through the following technical solutions:
The present invention relates to a kind of modified vitrified micro ball thermal-insulating mortar, described thermal insulation mortar comprises each component of following weight percent content:
Preferably, described cement is No. 42.5 silicate cements.
Preferably, described slag micropowder is that blast furnace granulated slag is through grinding a kind of ultrafine powder obtained; Its chemical composition mainly SiO 2, Al 2o 3, CaO, MgO, Fe 2o 3, TiO 2, MnO 2deng; The mineral such as the vitreum containing more than 95% and Dicalcium Phosphate (Feed Grade), gehlenite, wollastonite, close with cement constituent; Its specific surface area is at 390 ~ 410m 2/ kg.
Preferably, described modified vitrification micro-bead is that glass bead forms through polystyrene, polyvinyl chloride and polystyrene or polypropylene and the modification of polystyrene spray under 200 ~ 400 DEG C of conditions.
Preferred, the quality amount ratio of polyvinyl chloride and polystyrene is 0.5 ~ 0.8: 1.The modified vitrification micro-bead that the polyvinyl chloride prepared through this amount ratio and the modification of polystyrene spray obtain not only has good waterproof, barrier performance, also not cracky, mechanical stirring after 10 minutes breakage rate below 1.5%, and commercially available closed pore glass bead mechanical stirring after 10 minutes breakage rate more than 15%; The remarkable reduction of breakage rate ensure that inorganic heat insulation mortar body unit weight stability, thus ensure that the stability of thermal conductivity.
Preferred, the quality amount ratio of polypropylene and polystyrene is 1 ~ 1.5: 1.The modified vitrification micro-bead that the polyvinyl chloride prepared through this amount ratio and the modification of polystyrene spray obtain not only has good waterproof, barrier performance, also not cracky, mechanical stirring after 10 minutes breakage rate below 2%, and commercially available closed pore glass bead mechanical stirring after 10 minutes breakage rate more than 15%; The remarkable reduction of breakage rate ensure that inorganic heat insulation mortar body unit weight stability, thus ensure that the stability of thermal conductivity.
Preferably, the mean particle size of described glass bead is 0.2 ~ 3mm, and unit weight is 50 ~ 80kg/m 3, thermal conductivity is 0.05 ~ 0.2W/mK.The excessive construction being unfavorable for thermal insulation mortar of glass bead particle diameter; the too small spray modification being unfavorable for glass bead; unit weight directly has influence on thermal insulation mortar unit weight, and the thermal conductivity of glass bead affects the thermal conductivity and intensity that spray modified vitrification micro-bead and then the thermal conductivity and the intensity that have influence on thermal insulation mortar.
Preferably, described organic binder bond is one or both in styrenic-acrylic latex powder, Acrylic emulsion powder, vinyl acetate-ethylene latex powder.
Preferably, described sierozem power main component is Ca (OH) 2, CaO and a small amount of CaCO 3mixture, be the intensely processed products of lime, its order number is 500 ~ 1200 orders.
Preferably, described cracking resistance auxiliary agent is the length that the auspicious hundred million Sheng Wei synthetic materials company limiteds in Tai'an produce is the polypropylene anti-crack fiber of 1 ~ 10mm.
Preferably, described water-holding agent is one or both in Natvosol, hydroxyethylmethyl-cellulose, Vltra tears.
Preferably, described hydrophober is powder inorganic aluminate water-proof agent.More preferably agent is the DC-W1 inorganic aluminate powder water-resisting agent that Dechang, Beijing great achievement architectural engineering technology company limited produces.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention reaches the validity of waterproof, antiseepage by the synergistic effect that plastics (polystyrene, polyvinyl chloride and polystyrene or polypropylene and polystyrene) spray modified vitrification micro-bead and hydrophober.
2, the present invention not only solves inorganic heat insulation mortar volume water absorption rate problems of too, and thermal conductivity obviously reduces and is significantly improved with ultimate compression strength.
3, glass bead is sprayed the inner many cavity structures of its surface-closed of modification, makes its soundproof effect remarkable, can be used as sound-proof material; After its surface modification glass bead not cracky (modified vitrification micro-bead mechanical stirring after 10 minutes breakage rate below 3%; commercially available closed pore glass bead mechanical stirring after 10 minutes breakage rate more than 15%); ensure that inorganic heat insulation mortar body unit weight stability, thus ensure that the stability of thermal conductivity.On the other hand, the inorganic heat insulation mortar of identical weight, breakage rate makes construction area increase after declining, thus the construction cost greatly reduced.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make certain adjustments and improvements.These all belong to protection scope of the present invention.
embodiment 1 ~ 5
Embodiment 1 ~ 5 relates to modified vitrified micro ball thermal-insulating mortar, and its component comprised and consumption are in table 1, and wherein, slag micropowder is that blast furnace granulated slag is through grinding a kind of ultrafine powder obtained; Its chemical composition mainly SiO 2, Al 2o 3, CaO, MgO, Fe 2o 3, TiO 2, MnO 2deng; The mineral such as the vitreum containing more than 95% and Dicalcium Phosphate (Feed Grade), gehlenite, wollastonite, close with cement constituent; Its specific surface area is at 390 ~ 410m 2/ kg; The polypropylene anti-crack fiber that the auspicious hundred million Sheng Wei synthetic materials company limiteds in described cracking resistance selection of auxiliary Tai'an produce;
The modified vitrification micro-bead of embodiment 1 is median size is 0.2 ~ 1mm, and unit weight is 50kg/m 3, thermal conductivity is that the glass bead of 0.05W/mK forms through the modification of polystyrene spray under 200 DEG C of conditions;
The modified vitrification micro-bead of embodiment 2 is median sizes is 1 ~ 1.5mm, and unit weight is 60kg/m 3, thermal conductivity is that the glass bead of 0.1W/mK forms through one or both spray modifications of polyvinyl chloride, polystyrene, polypropylene, polystyrene under 300 DEG C of conditions;
The modified vitrification micro-bead of embodiment 3 is median sizes is 1.5 ~ 2mm, and unit weight is 70kg/m 3, thermal conductivity is that the glass bead of 0.15W/mK forms through one or both spray modifications of polystyrene, polyvinyl chloride, polystyrene, polypropylene, polystyrene under 300 DEG C of conditions;
The modified vitrification micro-bead of embodiment 4 is median sizes is 2 ~ 2.5mm, and unit weight is 65kg/m 3, thermal conductivity is that the glass bead of 0.12W/mK forms through one or both spray modifications of polystyrene, polyvinyl chloride, polystyrene, polypropylene, polystyrene under 400 DEG C of conditions;
The modified vitrification micro-bead of embodiment 5 is median sizes is 2.5 ~ 3mm, and unit weight is 80kg/m 3, thermal conductivity is that the glass bead of 0.2W/mK forms through one or both spray modifications of polystyrene, polyvinyl chloride, polystyrene, polypropylene, polystyrene under 400 DEG C of conditions.
During preparation, by above-mentioned raw materials by proportioning weigh batching, add successively in mixing machine, after being fully uniformly mixed, namely obtain modified vitrified micro ball thermal-insulating mortar.
comparative example 1 ~ 3
Comparative example 1 ~ 3 relates to kervit microbead insulated sand slurry, and its component comprised and consumption are in table 1; Wherein, slag micropowder is that blast furnace granulated slag is through grinding a kind of ultrafine powder obtained; Its chemical composition mainly SiO 2, Al 2o 3, CaO, MgO, Fe 2o 3, TiO 2, MnO 2deng; The mineral such as the vitreum containing more than 95% and Dicalcium Phosphate (Feed Grade), gehlenite, wollastonite, close with cement constituent; Its specific surface area is at 390 ~ 410m 2/ kg; The polypropylene anti-crack fiber that the auspicious hundred million Sheng Wei synthetic materials company limiteds in described cracking resistance selection of auxiliary Tai'an produce; The median size of glass bead is 0.2 ~ 1mm, and unit weight is 50kg/m3, and thermal conductivity is 0.05W/mK; Modified vitrification micro-bead is median size is 0.2 ~ 1mm, and unit weight is 50kg/m3, and thermal conductivity is that the glass bead of 0.05W/mK forms through the modification of polystyrene spray under 200 DEG C of conditions; JYQ796 type efficient inorganic waterproof moisture proof agent is the higher fatty acid water-resisting agent that Chengdu Hua Feng economic technology Development Co., Ltd produces.
During preparation, by above-mentioned raw materials by proportioning weigh batching, add successively in mixing machine, after being fully uniformly mixed, namely obtain kervit microbead insulated sand slurry.
Table 1
To above-described embodiment 1 ~ 5 and the obtained kervit microbead insulated sand slurry of comparative example 1 ~ 3 according to operative norm: DG/TJ08-2008-2001 " inorganic heat insulation mortar system utilisation technology code " carries out performance test, and result is as shown in table 2:
Table 2
From comparing of embodiment in table 21 and comparative example 1,2,3, adopt modified vitrification micro-bead of the present invention can reduce volume water absorption rate and the thermal conductivity of thermal insulation mortar system; Further, this modified vitrification micro-bead and powder inorganic aluminate water-proof agent with the use of time, significantly can reduce volume water absorption rate and the thermal conductivity of thermal insulation mortar system, ultimate compression strength is also significantly improved.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (10)

1. a modified vitrified micro ball thermal-insulating mortar, is characterized in that, described thermal insulation mortar comprises each component of following weight percent content:
2. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, described cement is No. 42.5 silicate cements.
3. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, described slag micropowder is the ultrafine powder that blast furnace granulated slag obtains through grinding, and its specific surface area is 390 ~ 410m 2/ kg; Described slag micropowder contain more than 95% vitreum, Dicalcium Phosphate (Feed Grade), gehlenite and wollastonite.
4. modified vitrified micro ball thermal-insulating mortar according to claim 1; it is characterized in that, described modified vitrification micro-bead is that glass bead forms through polystyrene, polyvinyl chloride and polystyrene or polypropylene and the modification of polystyrene spray under 200 ~ 400 DEG C of conditions.
5. modified vitrified micro ball thermal-insulating mortar according to claim 4, is characterized in that, the mean particle size of described glass bead is 0.2 ~ 3mm, and unit weight is 50 ~ 80kg/m 3, thermal conductivity is 0.05 ~ 0.2W/mK.
6. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, described organic binder bond is one or both in styrenic-acrylic latex powder, Acrylic emulsion powder, vinyl acetate-ethylene latex powder.
7. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, the order number of described sierozem power is 500 ~ 1200 orders.
8. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, the polypropylene anti-crack fiber of described cracking resistance auxiliary agent to be length be 1 ~ 10mm.
9. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, described water-holding agent is one or both in Natvosol, hydroxyethylmethyl-cellulose, Vltra tears.
10. modified vitrified micro ball thermal-insulating mortar according to claim 1, is characterized in that, described hydrophober is powder inorganic aluminate water-proof agent.
CN201510875907.7A 2015-12-02 2015-12-02 Modified vitrified micro ball thermal-insulating mortar Active CN105503070B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106082833A (en) * 2016-07-27 2016-11-09 上海贝恒化学建材有限公司 Colour inorganic thermal insulation mortar and preparation method thereof
CN106747002A (en) * 2016-12-27 2017-05-31 刘曲波 A kind of anti-freezing and heat-insulating mortar
CN107032688A (en) * 2017-06-07 2017-08-11 贵州中能高新材料有限公司 A kind of thermal insulation mortar and preparation method thereof
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
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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Publication number Priority date Publication date Assignee Title
US20050066857A1 (en) * 2003-09-30 2005-03-31 The Regents Of The University Of Michigan Lightweight strain hardening brittle matrix composites
CN101186475A (en) * 2007-11-30 2008-05-28 华南理工大学 Modified vitrification micro-bead thermal insulation mortar and preparation method thereof
CN102503293A (en) * 2011-09-22 2012-06-20 上海森瀚新型建材科技有限公司 Microcellular foamed modified glazed hollow bead insulating mortar and preparation method thereof
CN103304210A (en) * 2013-06-14 2013-09-18 上海贝恒化学建材有限公司 Inorganic thermal mortar with high strength and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050066857A1 (en) * 2003-09-30 2005-03-31 The Regents Of The University Of Michigan Lightweight strain hardening brittle matrix composites
CN101186475A (en) * 2007-11-30 2008-05-28 华南理工大学 Modified vitrification micro-bead thermal insulation mortar and preparation method thereof
CN102503293A (en) * 2011-09-22 2012-06-20 上海森瀚新型建材科技有限公司 Microcellular foamed modified glazed hollow bead insulating mortar and preparation method thereof
CN103304210A (en) * 2013-06-14 2013-09-18 上海贝恒化学建材有限公司 Inorganic thermal mortar with high strength and preparation method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106082833A (en) * 2016-07-27 2016-11-09 上海贝恒化学建材有限公司 Colour inorganic thermal insulation mortar and preparation method thereof
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
CN106747002A (en) * 2016-12-27 2017-05-31 刘曲波 A kind of anti-freezing and heat-insulating mortar
CN106747002B (en) * 2016-12-27 2018-12-28 南京旭程建筑材料科技有限公司 A kind of anti-freezing and heat-insulating mortar
CN107032688A (en) * 2017-06-07 2017-08-11 贵州中能高新材料有限公司 A kind of thermal insulation mortar and preparation method thereof
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
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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