CN103242014B - Polyphenylene granular thermal-insulation mortar - Google Patents
Polyphenylene granular thermal-insulation mortar Download PDFInfo
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- CN103242014B CN103242014B CN201310209867.3A CN201310209867A CN103242014B CN 103242014 B CN103242014 B CN 103242014B CN 201310209867 A CN201310209867 A CN 201310209867A CN 103242014 B CN103242014 B CN 103242014B
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- powder
- particle heat
- mortar
- insulating mortar
- polyphenyl particle
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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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- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
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, particularly relate to a kind of polyphenyl particle heat-insulating mortar.
Background technology
At present, in building material technical field, less use fine aggregate in conventional thermal insulation mortar, mainly the gelling material such as cement and some improve the admixture of mortar performance, so just cause cement consumption too high, improve the manufacturing cost of thermal insulation mortar; The heat-insulating property of the thermal insulation mortar is simultaneously unstable, and is not suitable for all wall thermal insulatings, makes the performance of thermal insulation mortar not high.
Summary of the invention
The object 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 is stable, coefficient of softening is high, freeze-thawing resistant, anti-aging, be applicable to various wall thermal insulating.
The object of the invention is to be achieved through the following technical solutions, a kind of polyphenyl particle heat-insulating mortar, in conventional thermal insulation mortar, add construction refuse regenerated powder serve as inert filler, described polyphenyl particle heat-insulating mortar specifically comprises ordinary Portland cement, construction refuse regenerated powder, sierozem power, 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 sierozem power is 20% ~ 60%;
Quality and the described granular polystyrene volume ratio of the overall 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 overall 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 overall 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 overall 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 overall dry mash of described polyphenyl particle heat-insulating mortar is 0.5% ~ 0.8%;
The mass ratio that the quality of described polyphenyl alkene fiber accounts for the overall 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 conventional thermal insulation mortar, add construction refuse regenerated powder serve as inert filler, described polyphenyl particle heat-insulating mortar specifically comprises ordinary Portland cement, construction refuse regenerated powder, sierozem power, 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 sierozem power is 20% ~ 60%; Quality and the described granular polystyrene volume ratio of the overall 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 overall 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 overall 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 overall 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 overall dry mash of described polyphenyl particle heat-insulating mortar is 0.5% ~ 0.8%; The mass ratio that the quality of described polyphenyl alkene fiber accounts for the overall 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 is stable, coefficient of softening is high, freeze-thawing resistant, anti-aging, is applicable to various wall thermal insulating.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The making schematic diagram of the polyphenyl particle heat-insulating mortar that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Construction refuse regenerated powder mentioned in embodiments of the present invention refers to pulverous building castoff, and the Old building removed at present, a part is clay brick, and another part is waste and old concrete and waste ceramic, cullet, waste wood block, dregs etc.The building castoff regeneration of such composition becomes thick, in the process of fine aggregate, regenerated powder can occupy larger ratio, is not used but abandons as powder, reduces the recycling ratio of building castoff while causing secondary pollution.
In conventional thermal insulation mortar, use construction refuse regenerated powder to serve as inert filler in the embodiment of the present invention, can cement consumption be reduced on the one hand, thus reduce the cost of thermal insulation mortar; The recycling of building waste can be realized 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 present invention is described in further detail, be illustrated in figure 1 the making schematic diagram of the polyphenyl particle heat-insulating mortar that the embodiment of the present invention provides, in conventional thermal insulation mortar, add construction refuse regenerated powder serve as inert filler, the making schematic diagram according to Fig. 1:
First ordinary Portland cement, construction refuse regenerated powder, sierozem power, silicon ash, wood fibre, polyphenyl alkene fiber, redispersable latex powder and ether of cellulose and water are mixed to evenly, make dry mortar powder; Then add granular polystyrene to mix, obtain the polyphenyl particle heat-insulating mortar of finished product, wherein:
The substitute proportion that described construction refuse regenerated powder replaces sierozem power is 20% ~ 60%;
The quality (kg) of the overall 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 overall dry mash of described polyphenyl particle heat-insulating mortar is 3% ~ 6%; But its preferable range is: 4% ~ 6%, is preferably 5% in actual applications;
The mass ratio that the quality of described redispersable latex powder accounts for the overall dry mash of described polyphenyl particle heat-insulating mortar is 1% ~ 3%; But its preferable range is: 1% ~ 2%, is preferably 1.6% in actual applications;
The mass ratio that the quality of described ether of cellulose accounts for the overall dry mash of described polyphenyl particle heat-insulating mortar is 0.5% ~ 1.0%; But its preferable range is: 0.7% ~ 0.9%, is preferably 0.8% in actual applications;
The mass ratio that the quality of described wood fibre accounts for the overall dry mash of described polyphenyl particle heat-insulating mortar is 0.5% ~ 0.8%; But its preferable range is: 0.6% ~ 0.8%, is preferably 0.7% in actual applications;
The mass ratio that the quality of described polyphenyl alkene fiber accounts for the overall dry mash of described polyphenyl particle heat-insulating mortar is 0.1% ~ 0.5%, but its preferable range is: 0.2% ~ 0.4%, is 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, being implemented as of each moiety in above-mentioned polyphenyl particle heat-insulating mortar:
Described ordinary Portland cement is also known as Portland cement, by Portland clinker, 6% ~ 15% the hydraulic cementing materials that grinds with proper amount of gypsum of mixing material, the ordinary Portland cement used in the embodiment of the present invention should meet the requirements of regulation in " general purpose portland cement " (GB175-2007).
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, regenerated powder size distribution used is 0 ~ 0.3mm.
Described sierozem power is that effective calcium adds magnesium oxide 71%, fineness 325 order, whiteness 92 DEG C.
Described silicon ash is white powder, SiO
2massfraction be greater than 85%, median size is 0.1-0.3 μm, and density is 200-250kg/m
3, specific surface area is 20-28m
2/ g.
The full name of described granular polystyrene is expanded polystyrene foams particle, also known as expansion polyphenyl particle.Making by raw material based on Expandable polystyrene resin bead is expanded foamed, is the main aggregate of polyphenyl particle heat-insulating mortar.
Described wood fibre processes through chemical treatment, mechanical process the organic wadding fibrous material obtained by renewable timber, is that one absorbs water and water-fast natural fiber, has excellent snappiness, dispersed.Appropriate wood fibre is added in mortar product, anti-contracility and splitting resistance can be strengthened, and play certain denseness effect, the snappiness of wood fibre and unique tridimensional network, make it in mortar, serve one to strengthen and cracking resistance, anti-effect of hanging down.
Described polypropylene fibre is polypropylene monofilament fiber, synnema shape, and otch is even, soft, pollution-free.Density is 0.91g/cm
3, filament diameter 26 ~ 62 μm, length 19mm, tensile strength 300 ~ 500MPa, Young's modulus 3.5GPa, limit elongation 15% ~ 18%.
Described redispersable latex powder is water-soluble redispersible powder; mainly with polyvinyl alcohol as protective colloid; have high viscosifying power and water resisting property, can the unique performance such as application property, high thermal insulation; the multipolymer rubber powder of such as ethylene/vinyl acetate; vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer, acrylic acid copolymers rubber powder etc.The redispersable latex powder used in the embodiment of the present invention is preferably vinyl acetate ethylene copolymer rubber powder, its solids content is preferably 99%, its pH value between 6 ~ 8, its minimum film-forming temperature is preferably at 0 DEG C.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 with ether structure be made up of Mierocrystalline cellulose, the ether of cellulose used in the embodiment of the present invention is preferably hydroxypropyl methyl cellulose ether, 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, thus delays the time of coagulation of mortar, extends the open hour of mortar.
In addition, pH value>=5.0 of water used, solvend, insolubles content≤2000g/L, Cl
-content≤500g/L, SO
4 2-content≤600g/L, alkali content≤1500g/L, meet industry standard " the reinforcement of concrete water quality standard " (JGJ63-2006) to the requirement of concrete mixing water.
Below in conjunction with specific embodiment, the present invention is elaborated:
Embodiment one
Take ordinary Portland cement 3350g, construction refuse regenerated brick powder 500g, sierozem power 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, then adds water and stir, the polyphenyl particle heat-insulating mortar of finished product.
The performance of the present embodiment polyphenyl particle heat-insulating mortar is as follows:
(1) unit dry weight: 313kg/m
3; (2) soaked rear unit weight: 392kg/m
3; (3) water-intake rate: 0.25%; (4) softening rear ultimate compression strength: 0.27MPa; (5) 28d ultimate compression strength: 0.30MPa; (6) coefficient of softening: 0.91; (7) thermal conductivity: 0.039W/(m.K).
Embodiment two
Take ordinary Portland cement 3350g, construction refuse regenerated brick powder 500g, sierozem power 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, then adds water and stir, finished product polyphenyl particle heat-insulating mortar.
The performance of the present embodiment polyphenyl particle heat-insulating mortar is as follows:
(1) unit dry weight: 270kg/m
3; (2) soaked rear unit weight: 336kg/m
3; (3) water-intake rate: 0.24%; (4) softening rear ultimate compression strength: 0.19MPa; (5) 28d ultimate compression strength: 0.28MPa; (6) coefficient of softening: 0.67; (7) thermal conductivity: 0.042W/(m.K).
Embodiment three
Take ordinary Portland cement 3350g, construction refuse regenerated concrete powder 250g, sierozem power 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, then adds water and stir, finished product polyphenyl particle heat-insulating mortar.
The performance of the present embodiment polyphenyl particle heat-insulating mortar is as follows:
(1) unit dry weight: 239kg/m
3; (2) soaked rear unit weight: 306kg/m
3; (3) water-intake rate: 0.28%; (4) softening rear ultimate compression strength: 0.21MPa; (5) 28d ultimate compression strength: 0.22MPa; (6) coefficient of softening: 0.97; (7) thermal conductivity: 0.045W/(m.K).
Embodiment four
Take ordinary Portland cement 3350g, construction refuse regenerated concrete powder 500g, sierozem power 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, then adds water and stir, finished product polyphenyl particle heat-insulating mortar.
The performance of the present embodiment polyphenyl particle heat-insulating mortar is as follows:
(1) unit dry weight: 253kg/m
3; (2) soaked rear unit weight: 309kg/m
3; (3) water-intake rate: 0.22%; (4) softening rear ultimate compression strength: 0.22MPa; (5) 28d ultimate compression strength: 0.24MPa; (6) coefficient of softening: 0.91; (7) thermal conductivity: 0.043W/(m.K).
In sum, the thermal insulation mortar thermal conductivity described in the embodiment of the present invention is low, heat-insulating property is stable, coefficient of softening is high, freeze-thawing resistant, anti-aging, is applicable to various wall thermal insulating.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change 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 (1)
1. a polyphenyl particle heat-insulating mortar, it is characterized in that, in conventional thermal insulation mortar, add construction refuse regenerated powder serve as inert filler, described polyphenyl particle heat-insulating mortar specifically comprises ordinary Portland cement, construction refuse regenerated powder, sierozem power, 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 sierozem power is 20% ~ 60%;
Quality and the described granular polystyrene volume ratio of the overall 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 overall 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 overall 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 overall 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 overall dry mash of described polyphenyl particle heat-insulating mortar is 0.5% ~ 0.8%;
The mass ratio that the quality of described polyphenyl alkene fiber accounts for the overall dry mash of described polyphenyl particle heat-insulating mortar is 0.1% ~ 0.5%;
Wherein, described construction refuse regenerated powder specifically comprises:
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209867.3A CN103242014B (en) | 2013-05-30 | 2013-05-30 | Polyphenylene granular thermal-insulation mortar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209867.3A CN103242014B (en) | 2013-05-30 | 2013-05-30 | Polyphenylene granular thermal-insulation mortar |
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| CN103242014A CN103242014A (en) | 2013-08-14 |
| CN103242014B true CN103242014B (en) | 2015-04-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539404B (en) * | 2013-09-30 | 2015-12-02 | 张晓武 | A kind of cement foamed inorganic heat-insulation board and manufacturing process 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 |
| 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 |
| 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 |
| CN114315257A (en) * | 2021-12-27 | 2022-04-12 | 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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