CN103242014A - Polyphenylene granular thermal-insulation mortar - Google Patents
Polyphenylene granular thermal-insulation mortar Download PDFInfo
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- CN103242014A CN103242014A CN2013102098673A CN201310209867A CN103242014A CN 103242014 A CN103242014 A CN 103242014A CN 2013102098673 A CN2013102098673 A CN 2013102098673A CN 201310209867 A CN201310209867 A CN 201310209867A CN 103242014 A CN103242014 A CN 103242014A
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- powder
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- insulating mortar
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a polyphenylene granular thermal-insulation mortar. Construction waste regenerated powder is added as an inert filler into common thermal-insulation mortar. The polyphenylene granular thermal-insulation mortar comprises ordinary Portland cement, construction waste regenerated powder, sierozem powder, silica fume, polyphenylene granule, wood fiber, polystyrene fiber, redispersible latex powder and cellulose ether. The thermal-insulation mortar has the advantages of low heat conductivity coefficient, stable thermal-insulation properties, high softening coefficient, freeze-thawing resistance and aging resistance, and is suitable for thermal insulation of various walls.
Description
Technical field
The present invention relates to building material technical field, relate in particular to a kind of polyphenyl particle heat-insulating mortar.
Background technology
At present, in building material technical field, less use fine aggregate in the thermal insulation mortar commonly used mainly is that gelling material such as cement and some are improved the admixture of mortar performance, has so just caused cement consumption too high, has improved the manufacturing cost of thermal insulation mortar; The heat-insulating property instability of prepared thermal insulation mortar of while, and be not suitable for all wall thermal insulatings, make that the performance of thermal insulation mortar is not high.
Summary of the invention
The purpose of this invention is to provide a kind of polyphenyl particle heat-insulating mortar, the thermal conductivity of this thermal insulation mortar is low, heat-insulating property stable, coefficient of softening is high, and freeze-thawing resistant, anti-aging is applicable to various wall thermal insulatings.
The objective of the invention is to be achieved through the following technical solutions, a kind of polyphenyl particle heat-insulating mortar, in thermal insulation mortar commonly used, add construction refuse regenerated powder and serve as inert filler, described polyphenyl particle heat-insulating mortar specifically comprises ordinary Portland cement, construction refuse regenerated powder, grey calcium powder, silicon ash, granular polystyrene, wood fibre, polyphenyl alkene fiber, redispersable latex powder and ether of cellulose, wherein:
The substitute proportion that described construction refuse regenerated powder replaces grey calcium powder is 20%～60%;
Quality and the described granular polystyrene volume ratio of the whole dry mash of described polyphenyl particle heat-insulating mortar are 1:5～1:10;
The mass ratio that the quality of described silicon ash accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 3%～6%;
The mass ratio that the quality of described redispersable latex powder accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 1%～3%;
The mass ratio that the quality of described ether of cellulose accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～1.0%;
The mass ratio that the quality of described wood fibre accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～0.8%;
The mass ratio that described polyphenyl alkene quality of fiber accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.1%～0.5%.
Described construction refuse regenerated powder specifically comprises:
Construction refuse regenerated concrete powder and/or construction refuse regenerated brick powder.
The particle size distribution range of described construction refuse regenerated powder is 0～0.3mm.
As seen from the above technical solution provided by the invention, in thermal insulation mortar commonly used, add construction refuse regenerated powder and serve as inert filler, described polyphenyl particle heat-insulating mortar specifically comprises ordinary Portland cement, construction refuse regenerated powder, grey calcium powder, silicon ash, granular polystyrene, wood fibre, polyphenyl alkene fiber, redispersable latex powder and ether of cellulose, and the substitute proportion that wherein said construction refuse regenerated powder replaces grey calcium powder is 20%～60%; Quality and the described granular polystyrene volume ratio of the whole dry mash of described polyphenyl particle heat-insulating mortar are 1:5～1:10; The mass ratio that the quality of described silicon ash accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 3%～6%; The mass ratio that the quality of described redispersable latex powder accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 1%～3%; The mass ratio that the quality of described ether of cellulose accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～1.0%; The mass ratio that the quality of described wood fibre accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～0.8%; The mass ratio that described polyphenyl alkene quality of fiber accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.1%～0.5%.The thermal conductivity of this thermal insulation mortar is low, heat-insulating property stable, coefficient of softening is high, and freeze-thawing resistant, anti-aging is applicable to various wall thermal insulatings.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The making synoptic diagram of the polyphenyl particle heat-insulating mortar that Fig. 1 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that obtains under the creative work prerequisite.
The construction refuse regenerated powder of mentioning in embodiments of the present invention refers to pulverous building castoff, the present old building of removing, and a part is clay brick, another part is waste and old concrete and waste ceramic, cullet, waste wood piece, dregs etc.That the building castoff regeneration of forming like this becomes is thick, in the process of fine aggregate, the regeneration powder can occupy bigger ratio, is not used as powder but abandons, and has reduced the recycling ratio of building castoff when causing secondary pollution.
In thermal insulation mortar commonly used, use construction refuse regenerated powder to serve as inert filler in the embodiment of the invention, can reduce cement consumption on the one hand, thereby reduce the cost of thermal insulation mortar; Can realize the recycling of building waste on the other hand, alleviate the present situation of building waste powder contaminate environment to a certain extent.Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail, be illustrated in figure 1 as the making synoptic diagram of the polyphenyl particle heat-insulating mortar that the embodiment of the invention provides, in thermal insulation mortar commonly used, add construction refuse regenerated powder and serve as inert filler, according to the making synoptic diagram of Fig. 1:
At first ordinary Portland cement, construction refuse regenerated powder, grey calcium powder, silicon ash, wood fibre, polyphenyl alkene fiber, redispersable latex powder and ether of cellulose and water are mixed to evenly, make dry mortar powder; Add granular polystyrene then and mix, obtain the polyphenyl particle heat-insulating mortar of finished product, wherein:
The substitute proportion that described construction refuse regenerated powder replaces grey calcium powder is 20%～60%;
The quality (kg) of the whole dry mash of described polyphenyl particle heat-insulating mortar is 1:5～1:10 with granular polystyrene volume (L) ratio; But its preferable range is: 1:7～1:9 is preferably 1:8 in actual applications;
The mass ratio that the quality of described silicon ash accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 3%～6%; But its preferable range is: 4%～6%, be preferably 5% in actual applications;
The mass ratio that the quality of described redispersable latex powder accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 1%～3%; But its preferable range is: 1%～2%, be preferably 1.6% in actual applications;
The mass ratio that the quality of described ether of cellulose accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～1.0%; But its preferable range is: 0.7%～0.9%, be preferably 0.8% in actual applications;
The mass ratio that the quality of described wood fibre accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～0.8%; But its preferable range is: 0.6%～0.8%, be preferably 0.7% in actual applications;
The mass ratio that described polyphenyl alkene quality of fiber accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.1%～0.5%, but its preferable range is: 0.2%～0.4%, be preferably 0.3% in actual applications.
In specific implementation, above-mentioned construction refuse regenerated powder specifically can comprise: construction refuse regenerated concrete powder and/or construction refuse regenerated brick powder; And the particle size distribution range of described construction refuse regenerated powder is 0～0.3mm.
Further, the specific implementation of each moiety is in the above-mentioned polyphenyl particle heat-insulating mortar:
Described ordinary Portland cement claims Portland cement again, the hydraulic cementing materials that is ground by Portland clinker, 6%～15% mixing material and proper amount of gypsum, in the embodiment of the invention employed ordinary Portland cement should meet " general purpose portland cement " (GB175-2007) in every requirement of regulation.
Described construction refuse regenerated powder comprises construction refuse regenerated concrete powder and construction refuse regenerated brick powder, meet the requirement of the category-A finishing material of " measuring radioactivity of building materials " GB6566 standard through radioassay, used regeneration diameter of particle is distributed as 0～0.3mm.
Described grey calcium powder is that effective calcium adds magnesium oxide 71%, fineness 325 orders, 92 ℃ of whiteness.
Described silicon ash is white powder, SiO
2Massfraction greater than 85%, median size is 0.1-0.3 μ m, density is 200-250kg/m
3, specific surface area is 20-28m
2/ g.
The full name of described granular polystyrene is the expanded polystyrene foams particle, claims the expansion polyphenyl particle again.Being that basic material is expanded foamed by the expandable polystyrene resin bead makes, and is the main aggregate of polyphenyl particle heat-insulating mortar.
Described wood fibre be by renewable timber through the organic wadding fibrous material that chemical treatment, mechanical process processing obtain, be a kind of suction and water-fast natural fiber has excellent flexibility, dispersiveness.In mortar product, add an amount of wood fibre, can strengthen anti-contracility and splitting resistance, and play certain denseness effect, the snappiness of wood fibre and unique tridimensional network, make it in mortar, play one and strengthen and cracking resistance, anti-effect of hanging down.
Described polypropylene fibre is the polypropylene monofilament fiber, the synnema shape, and otch is even, and is soft, pollution-free.Density is 0.91g/cm
3, filament diameter 26～62 μ m, length 19mm, tensile strength 300～500MPa, Young's modulus 3.5GPa, limit elongation 15%～18%.
Described redispersable latex powder is water-soluble redispersible powder; how with polyvinyl alcohol as protective colloid; but have high viscosifying power and particular performances such as water resisting property application property, high thermal insulation; the multipolymer rubber powder of ethylene/vinyl acetate for example; vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer, acrylic acid multipolymer rubber powder etc.Employed redispersable latex powder is preferably vinyl acetate ethylene copolymer rubber powder in the embodiment of the invention, its solids content is preferably 99%, its pH value between 6～8, its minimum film-forming temperature is preferably in 0 ℃.In embodiments of the present invention, redispersable latex powder can improve mortar bonding tensile strength.
Described ether of cellulose is a kind of macromolecular compound of being made by Mierocrystalline cellulose with ether structure, employed ether of cellulose is preferably hydroxypropyl methyl cellulose ether in the embodiment of the invention, and its water content≤8%, loss on ignition≤2%, its methyl composition is between 19%～24%, and its hydroxypropyl content is between 4%～12%.In embodiments of the present invention, ether of cellulose can improve the water-retentivity of mortar, thereby delays the time of coagulation of mortar, prolongs the open hour of mortar.
In addition, the pH value of used water 〉=5.0, solvend, insolubles content≤2000g/L, Cl
-Content≤500g/L, SO
4 2-Content≤600g/L, alkali content≤1500g/L meets industry standard " concrete water standard " (JGJ63-2006) to the requirement of concrete mixing water.
Below in conjunction with specific embodiment the present invention is elaborated:
Embodiment one
Take by weighing ordinary Portland cement 3350g, construction refuse regenerated brick powder 500g, grey calcium powder 750g, silicon ash 250g, granular polystyrene 40L, redispersable latex powder 80g, ether of cellulose 40g, wood fibre 35g, polypropylene fibre 15g, water 4000g.Each mortar drier is mixed, adds water again and stir, get final product the polyphenyl particle heat-insulating mortar of finished product.
The performance of present embodiment polyphenyl particle heat-insulating mortar is as follows:
⑴ unit dry weight: 313kg/m
3⑵ soaked back unit weight: 392kg/m
3⑶ water-intake rate: 0.25%; ⑷ softening back ultimate compression strength: 0.27MPa; ⑸ 28d ultimate compression strength: 0.30MPa; ⑹ coefficient of softening: 0.91; ⑺ thermal conductivity: 0.039W/(m.K).
Embodiment two
Take by weighing ordinary Portland cement 3350g, construction refuse regenerated brick powder 500g, grey calcium powder 750g, silicon ash 250g, granular polystyrene 40L, redispersable latex powder 80g, ether of cellulose 40g, wood fibre 35g, polypropylene fibre 15g, water 4000g.Each mortar drier is mixed, adds water again and stir, get final product the finished product polyphenyl particle heat-insulating mortar.
The performance of present embodiment polyphenyl particle heat-insulating mortar is as follows:
⑴ unit dry weight: 270kg/m
3⑵ soaked back unit weight: 336kg/m
3⑶ water-intake rate: 0.24%; ⑷ softening back ultimate compression strength: 0.19MPa; ⑸ 28d ultimate compression strength: 0.28MPa; ⑹ coefficient of softening: 0.67; ⑺ thermal conductivity: 0.042W/(m.K).
Embodiment three
Take by weighing ordinary Portland cement 3350g, construction refuse regenerated concrete powder 250g, grey calcium powder 1000g, silicon ash 250g, granular polystyrene 40L, redispersable latex powder 80g, ether of cellulose 40g, wood fibre 35g, polypropylene fibre 15g, water 4000g.Each mortar drier is mixed, adds water again and stir, get final product the finished product polyphenyl particle heat-insulating mortar.
The performance of present embodiment polyphenyl particle heat-insulating mortar is as follows:
⑴ unit dry weight: 239kg/m
3⑵ soaked back unit weight: 306kg/m
3⑶ water-intake rate: 0.28%; ⑷ softening back ultimate compression strength: 0.21MPa; ⑸ 28d ultimate compression strength: 0.22MPa; ⑹ coefficient of softening: 0.97; ⑺ thermal conductivity: 0.045W/(m.K).
Embodiment four
Take by weighing ordinary Portland cement 3350g, construction refuse regenerated concrete powder 500g, grey calcium powder 750g, silicon ash 250g, granular polystyrene 40L, redispersable latex powder 80g, ether of cellulose 40g, wood fibre 35g, polypropylene fibre 15g, water 4000g.Each mortar drier is mixed, adds water again and stir, get final product the finished product polyphenyl particle heat-insulating mortar.
The performance of present embodiment polyphenyl particle heat-insulating mortar is as follows:
⑴ unit dry weight: 253kg/m
3⑵ soaked back unit weight: 309kg/m
3⑶ water-intake rate: 0.22%; ⑷ softening back ultimate compression strength: 0.22MPa; ⑸ 28d ultimate compression strength: 0.24MPa; ⑹ coefficient of softening: 0.91; ⑺ thermal conductivity: 0.043W/(m.K).
In sum, the described thermal insulation mortar thermal conductivity of the embodiment of the invention is low, heat-insulating property stable, coefficient of softening is high, and freeze-thawing resistant, anti-aging is applicable to various wall thermal insulatings.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. polyphenyl particle heat-insulating mortar, it is characterized in that, in thermal insulation mortar commonly used, add construction refuse regenerated powder and serve as inert filler, described polyphenyl particle heat-insulating mortar specifically comprises ordinary Portland cement, construction refuse regenerated powder, grey calcium powder, silicon ash, granular polystyrene, wood fibre, polyphenyl alkene fiber, redispersable latex powder and ether of cellulose, wherein:
The substitute proportion that described construction refuse regenerated powder replaces grey calcium powder is 20%～60%;
Quality and the described granular polystyrene volume ratio of the whole dry mash of described polyphenyl particle heat-insulating mortar are 1:5～1:10;
The mass ratio that the quality of described silicon ash accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 3%～6%;
The mass ratio that the quality of described redispersable latex powder accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 1%～3%;
The mass ratio that the quality of described ether of cellulose accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～1.0%;
The mass ratio that the quality of described wood fibre accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.5%～0.8%;
The mass ratio that described polyphenyl alkene quality of fiber accounts for the whole dry mash of described polyphenyl particle heat-insulating mortar is 0.1%～0.5%.
2. according to the described polyphenyl particle heat-insulating mortar of claim 1, it is characterized in that described construction refuse regenerated powder specifically comprises:
Construction refuse regenerated concrete powder and/or construction refuse regenerated brick powder.
3. according to the described polyphenyl particle heat-insulating mortar of claim 1, it is characterized in that,
The particle size distribution range of described construction refuse regenerated powder is 0～0.3mm.
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| CN201310209867.3A CN103242014B (en) | 2013-05-30 | 2013-05-30 | Polyphenylene granular thermal-insulation mortar |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539404A (en) * | 2013-09-30 | 2014-01-29 | 张晓武 | Cement foamed inorganic insulating board and manufacturing technology thereof |
| CN103588444A (en) * | 2013-11-14 | 2014-02-19 | 江苏蓝圈新材料有限公司 | Heat-insulating mortar containing polystyrene granules |
| CN104987000A (en) * | 2015-07-08 | 2015-10-21 | 浙江大学宁波理工学院 | Ecological type regenerated fine aggregate phase transition and temperature adjustment mortar and preparation method thereof |
| CN106927745A (en) * | 2017-01-03 | 2017-07-07 | 湖南科技学院 | A kind of granular polystyrene basalt fibre is reinforced thermal insulation mortar, is prepared and its application method |
| CN107602024A (en) * | 2017-10-19 | 2018-01-19 | 蒋春霞 | A kind of modified refuse clay brick powder cement mortar |
| CN108191359A (en) * | 2018-02-06 | 2018-06-22 | 合肥广民建材有限公司 | A kind of anti-accumulation of salt in the surface soil keeps the temperature impervious weather-resistant and high-strength degree composite mortar and preparation method thereof |
| CN108892420A (en) * | 2018-08-29 | 2018-11-27 | 金胜海 | Building castoff pavement brick curing agent |
| CN111205014A (en) * | 2020-01-16 | 2020-05-29 | 德州中科新材料有限公司 | Polyphenyl particle mortar additive, polyphenyl particle mortar and preparation method thereof |
| CN111960742A (en) * | 2020-08-25 | 2020-11-20 | 河北鸿盛节能科技股份有限公司 | Building heat preservation and structure integrated composite heat preservation wall and preparation method thereof |
| WO2023124047A1 (en) * | 2021-12-27 | 2023-07-06 | 上海隆振建筑工程股份有限公司 | Process method for producing thermal insulation mortar |
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| CN101229970A (en) * | 2007-01-23 | 2008-07-30 | 上海同表保温科技有限公司 | Exterior wall composite insulation heat-proof plastering material |
| CN101624273A (en) * | 2009-08-07 | 2010-01-13 | 武汉理工大学 | Asphalt mixture taking regenerative micro powder of waste concrete as filler |
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Patent Citations (2)
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| CN101229970A (en) * | 2007-01-23 | 2008-07-30 | 上海同表保温科技有限公司 | Exterior wall composite insulation heat-proof plastering material |
| CN101624273A (en) * | 2009-08-07 | 2010-01-13 | 武汉理工大学 | Asphalt mixture taking regenerative micro powder of waste concrete as filler |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539404A (en) * | 2013-09-30 | 2014-01-29 | 张晓武 | Cement foamed inorganic insulating board and manufacturing technology thereof |
| CN103588444A (en) * | 2013-11-14 | 2014-02-19 | 江苏蓝圈新材料有限公司 | Heat-insulating mortar containing polystyrene granules |
| CN104987000A (en) * | 2015-07-08 | 2015-10-21 | 浙江大学宁波理工学院 | Ecological type regenerated fine aggregate phase transition and temperature adjustment mortar and preparation method thereof |
| CN104987000B (en) * | 2015-07-08 | 2017-12-15 | 浙江大学宁波理工学院 | Environmental recycled fine aggregate phase change temperature adjustment mortar and preparation method thereof |
| CN106927745A (en) * | 2017-01-03 | 2017-07-07 | 湖南科技学院 | A kind of granular polystyrene basalt fibre is reinforced thermal insulation mortar, is prepared and its application method |
| CN107602024A (en) * | 2017-10-19 | 2018-01-19 | 蒋春霞 | A kind of modified refuse clay brick powder cement mortar |
| CN108191359A (en) * | 2018-02-06 | 2018-06-22 | 合肥广民建材有限公司 | A kind of anti-accumulation of salt in the surface soil keeps the temperature impervious weather-resistant and high-strength degree composite mortar and preparation method thereof |
| CN108892420A (en) * | 2018-08-29 | 2018-11-27 | 金胜海 | Building castoff pavement brick curing agent |
| CN111205014A (en) * | 2020-01-16 | 2020-05-29 | 德州中科新材料有限公司 | Polyphenyl particle mortar additive, polyphenyl particle mortar and preparation method thereof |
| CN111960742A (en) * | 2020-08-25 | 2020-11-20 | 河北鸿盛节能科技股份有限公司 | Building heat preservation and structure integrated composite heat preservation wall and preparation method thereof |
| CN111960742B (en) * | 2020-08-25 | 2022-04-12 | 河北鸿盛节能科技股份有限公司 | Building heat preservation and structure integrated composite heat preservation wall and preparation method thereof |
| WO2023124047A1 (en) * | 2021-12-27 | 2023-07-06 | 上海隆振建筑工程股份有限公司 | Process method for producing thermal insulation mortar |
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| CN103242014B (en) | 2015-04-08 |
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