CN101691292A - Lightweight wall plaster - Google Patents
Lightweight wall plaster Download PDFInfo
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- CN101691292A CN101691292A CN200910112634A CN200910112634A CN101691292A CN 101691292 A CN101691292 A CN 101691292A CN 200910112634 A CN200910112634 A CN 200910112634A CN 200910112634 A CN200910112634 A CN 200910112634A CN 101691292 A CN101691292 A CN 101691292A
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- lightweight wall
- wall plaster
- adding proportion
- lightweight
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- 239000011505 plaster Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000000945 filler Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 17
- -1 retardant Substances 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 14
- 239000004568 cement Substances 0.000 claims description 14
- 230000015271 coagulation Effects 0.000 claims description 14
- 238000005345 coagulation Methods 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 14
- 239000010440 gypsum Substances 0.000 claims description 11
- 229910052602 gypsum Inorganic materials 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 239000004816 latex Substances 0.000 claims description 8
- 229920000126 latex Polymers 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 7
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 7
- 239000011507 gypsum plaster Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- 150000002170 ethers Chemical class 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 3
- 235000005979 Citrus limon Nutrition 0.000 claims description 3
- 244000248349 Citrus limon Species 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920001038 ethylene copolymer Polymers 0.000 claims description 3
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 3
- 229920000609 methyl cellulose Polymers 0.000 claims description 3
- 239000001923 methylcellulose Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 abstract description 24
- 238000009413 insulation Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005192 partition Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000013538 functional additive Substances 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 20
- 235000010269 sulphur dioxide Nutrition 0.000 description 10
- 238000006477 desulfuration reaction Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 238000003916 acid precipitation Methods 0.000 description 5
- 239000004291 sulphur dioxide Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- BPJYAXCTOHRFDQ-UHFFFAOYSA-L tetracopper;2,4,6-trioxido-1,3,5,2,4,6-trioxatriarsinane;diacetate Chemical compound [Cu+2].[Cu+2].[Cu+2].[Cu+2].CC([O-])=O.CC([O-])=O.[O-][As]1O[As]([O-])O[As]([O-])O1.[O-][As]1O[As]([O-])O[As]([O-])O1 BPJYAXCTOHRFDQ-UHFFFAOYSA-L 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions 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 calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a lightweight wall plaster which comprises the following components by weight percent: 65-90% of inorganic cementing material, 5-30% of lightweight aggregate, 0-30% of filler and 0-10% of functional additive, wherein the inorganic cementing material is a desulfurized plaster or a building plaster. The lightweight wall plaster is a single-component dry mixed material produced by a factory and can be used on a construction site by only adding water for stirring, the lightweight wall plaster has a certain thermal insulation function and excellent fire prevention performance, the bonding performance is good, and the compressive strength is high, thereby being capable of replacing the traditional plastering mortar to be plastered on inner sides of external walls, partition walls, room separating walls, ceilings and other occasions and further improving the thermal insulation performance of wall bodies.
Description
Technical field
The invention relates to a kind of material of construction, be meant a kind of lightweight wall plaster especially.
Background technology
One, indoor wall is energy-conservation
The buildings exterior-protected structure body of wall is energy-conservation to use the position can be divided into outer insulation, interior insulation, self-heat conserving three major types by it.
Existing China body of wall is energy-conservation mainly based on exterior-wall heat insulation (comprising the insulation of the exterior wall outside, inner side of outer wall insulation, self-heat conserving).External wall outer insulation can improve the thermal and insulating performance of whole solitary building, reaches energy-conservation, but can't stop the interior of building thermal energy transfer, and the indoor heat energy loss of buildings is inevitable.
Mode, the Xia Redong that is different from severe cold and the central heating of cold district house is cold, hot summer and warm winter region summer is sultry, winter is clammy.In order to alleviate scorching summer and freezing winter, this regional residential houses generally uses conditioner to carry out freezing and winter heating summer.The handling characteristics of conditioner is: people only use the air-conditioning in room, own place, and air-conditioning is also stopped using when have no talent in the room.Particularly during night's rest, air-conditioning only is used to the room of having a rest, and living room, kitchen, toilet do not use air-conditioning.The resident uses these custom characteristics of conditioner, for energy conservation, the heat insulating that just can not only limit to peripheral structure is handled, in the room that uses air-conditioning with do not use partition wall (party wall, locellus wall) between the room of air-conditioning and the insulating energy-saving measure of ceiling, floor also seems particularly important.
Even the mode of severe cold and the central heating of cold district house, because household metering is entering into huge numbers of families with heat, party wall, floor without insulation will become the thermal energy transfer passage, be difficult to prevent warm room to ice-cold staircase or there is not the heat in the room of heating to run off, the indoor heat energy loss of buildings is unavoidable!
Two, commodity mortar
The building dry-powder material has been classified as one of 15 projects of focus development and encouragement by nation-building portion as the novel green energy saving building material.At present, in developed countries such as Europe, the U.S., Japan, the building dry-powder technology has been used widely, has replaced traditional scene substantially fully and has stirred the mortar technology, becomes a huge strong novel industry.In the Asia as Singapore, Malaysia, Indonesia, comprise that Taiwan Province of China and area, Hong Kong use building dry-powders a large amount of, and domesticly still be in the starting stage to have huge development space.
Power-product be will be on request the aggregate (as sand, Wingdale) etc. of apolegamy, after pre-treatment (fragmentation, oven dry, screening), add the high-tech additive of quantitative agglutination material (cement, gypsum) and trace, sometimes also want pigment, the even pulverulent mixture that processes by scientific formula.In the suitability for industrialized productionization of power-product, it is stable that one of maximum characteristics are that quality product can keep.
The building dry-powder material can be divided into common dry-mix (be commodity mortar, comprise masonry mortar, motar, ground mortar etc.) and extraordinary mortar etc.It is the development trend of building materials industry that commodity mortar substitutes traditional mortar, and each main cities develops rapidly at home.
But it is the needs of industrialization development that commodity mortar substitutes traditional mortar, does not change the functions of use of traditional mortar, used gelling material-cement, and its production energy consumption is 4 times of gypsum; Tradition motar thermal conductivity ratio clay solid brick is big, does not have adiabatic function.
Three, desulfurated plaster
Desulfurated plaster claims flue gas desulfurization gypsum, sulphur gypsum or FGD gypsum again, is the flue gas that sulfurous fuels (coal, wet goods) burning back produces is carried out that desulfurizing and purifying is handled and the industry byproduct that obtains.
According to the World Health Organization and United Nations Environment Programme (UNEP) statistics, annual at present make by the mankind, the sulfurous gas that mainly is the sulfurous fuels burning and exhausting in the atmosphere up to 200,000,000 tons about, formed the primary pollutant of atmospheric environment.Sulfurous gas brought, and serious problems are acid rain, have brought great destruction for human environment and world economy, therefore since the seventies in 20th century with headed by the Japan and the U.S., the sulfur dioxide emissions strategy is formulated and implemented to control in countries in the world in succession.
China is coal-fired big country, and along with the increase of fire coal, the quantity discharged of sulfurous gas also constantly increases, during " eight or five ", China increases about 1,000,000 tons of sulphur dioxide emission every year on average, nineteen ninety-five China's sulphur dioxide emission reach 2,370 ten thousand tons, become world's sulphur dioxide emission first big country.China can not change in the recent period based on the energy structure of coal, expects 2010 and the year two thousand twenty, and the quantity discharged of the sulfurous gas of China will reach 3,300 ten thousand tons and 3,900 ten thousand tons respectively.Sulfur dioxide pollution causes the acid rain phenomenon serious, since the eighties in 20th century, China's acid rain pollution is accelerated development trend, and the acid rain pollution scope expands on the south the Changjiang river from southwestern partial area, most of city and rural area to the east of the Qinghai-Tibet Platean, accounts for 75% of area.
Coal is the main fuel of world today's electrical production, and the electric power fire coal is the arch-criminal who causes sulfur dioxide pollution and acid rain problem.The power plants Coal-fired capacity accounts for 1/3rd of national coal production.According to the statistics made by the departments concerned, national industrial source sulphur dioxide emission were 1,852 ten thousand tons in 1997, the sulfurous gas that discharges in atmosphere because of electric power is coal-fired annual is just up to more than 1,200 ten thousand tons, and it is about 50% to account for China's sulfurous gas, accounts for about 75% of industrial sulphur dioxide emission.Therefore the primary measure to sulfur dioxide pollution control should be the control of power plant's sulfur dioxide emissions, and power plant desulfurization is imperative.Nineteen ninety-five amended " The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution " stipulates that clearly power plant must adopt the desulfurization measure.
Coal-burning power plant's general and the most effective most widely used sulfurous gas control techniques is flue gas desulfurization (FGD), also is the desulfurization method of unique in the world mass-producing at present, commercial applications.Lime/lime stone-gypsum the method that accounts for the empery status in the flue gas desulfurization technique wet method is the most sophisticated sulfur removal technology of technology in the world at present, the desulfuration byproduct that this technology is brought is exactly a desulfurated plaster, so coal-burning power plant's lime/lime stone-gypsum method flue gas desulfurization byproduct is the main source of desulfurated plaster.
Estimate according to State Power Corporation, to the year ends 2010, whole nation flue gas desulphurization unit total volume will reach 40000-50000MW, if, then produce about about 8,500,000 tons of the desulfurized gesso of flue gas designed capacity of purity more than 85% when the time comes per year by wherein 70% adopting wet type lime/lime stone-gypsum method sulfur removal technology to power plants flue gas desulfurization at the year ends 2010.
Summary of the invention
The object of the present invention is to provide a kind of fungible goods motar or traditional motar, lightweight wall plaster with thermal and insulating performance.
For achieving the above object, solution of the present invention is:
A kind of lightweight wall plaster, its weight percent is: inorganic coagulation material 65-90%, aglite 5-30%, filler 0-30%, functional admixture 0-10%; Inorganic coagulation material is desulfurated plaster or plaster of Paris.
Described inorganic coagulation material mainly is a desulfurated plaster, also can be plaster of Paris, or desulfurated plaster and plaster of Paris mixture.Mixture in this way, the two ratio range was from 2: 8 to 8: 2.
Described aglite is glass bead or pearlstone or both mixtures; The glass bead particle diameter is 0.3-2.5mm, density 80-180kg/m; The pearlstone particle diameter is 2.0-4.0mm, density 60-100kg/m; Described glass bead and pearlstone mixture weight allotment scope were from 3: 7 to 6: 4.
Described filler is flyash, dry powder, stone flour or quartz sand; Or two or more mixture of previous materials.
Described functional admixture comprises cement, redispersable latex powder, water-holding agent, thickening material, retardant, water reducer, air entrapment agent and fiber; Wherein each weight proportion is: the cement adding proportion is 0.0-5.0%; The redispersable latex powder adding proportion is 0.0-1.5%; The water-holding agent adding proportion is 0.05-0.5%; The thickening material adding proportion is 0.02-0.1%; The retardant adding proportion is 0.02-1.5%; The water reducer adding proportion is 0.05-0.4%; The air entrapment agent adding proportion is 0.005-0.05%; The fiber adding proportion is 0.08-0.3%.
Described redispersable latex powder comprises vinyl acetate between to for plastic, ethylene copolymer rubber powder; Water-holding agent comprises methylcellulose gum or hydroxypropylcellulose.
Described retardant comprises gypsum special retarder or lemon acids; Described thickening material comprises starch ethers.
Described fiber comprises polypropylene fibre or wood fibre.
Described water reducer comprises naphthene sulfonic acid, trimeric cyanamide or poly carboxylic acid.
Described air entrapment agent comprises alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol sulfonate class or nonionic surface active agent.
After adopting such scheme, the present invention has the following advantages:
1, replaces quartz sand aggregate with the glass bead aglite, make lightweight wall plaster of the present invention have certain thermal and insulating performance, can effectively reduce the interior of building energy loss, improve and comfortable for living; Simultaneously its ultimate compression strength, tensile bond strength are better, and alternative motar directly is applied over (partly base material should carry out interface processing, as slick concrete wall surface, ceiling) on the various base materials.
2, use the desulfurated plaster place of cement as inorganic coagulation material; under the prerequisite that guarantees lightweight wall plaster functional quality, safety, environmental protection; solve the use outlet of this industrial residue of desulfurated plaster; reduce a large amount of land occupations of industrial residue; reduce the consumption of new building to Nonrenewable resources; be a kind of energy-saving, environmentally friendly building material product of resource of developing a circular economy, build, meet China's protection natural resource and environmental resources, guarantee the direction of environment sustainable development.
3, lightweight wall plaster of the present invention not only is suitable for cold, the hot summer and warm winter region of Xia Redong, and also applicable severe cold, cold district can increase substantially the energy-conservation level of domestic construction thing! Quality of the present invention is easily controlled, is constructed easily, is convenient to large-scale promotion application, is not only applicable to the new building thing, and is applicable to the existing building reducing energy consumption.
Embodiment
The present invention has disclosed a kind of alternative traditional plastering material (existing sand cutting slurry and commodity mortar); have incubation and thermal insulation function the lightweight wall plaster of decorate properties is arranged again; it by desulfurated plaster etc. as inorganic coagulation material; glass bead is as aglite; compound multiple functional admixture and part filler are by the single-component dry powder green construction material of plant produced.Its weight percent is: inorganic coagulation material 65-90%, and aglite 5-30%, filler 0-30%, functional admixture 0-10% carries out proportioning according to different functional requirements.
Described inorganic coagulation material both can be a desulfurated plaster, also can be plaster of Paris, or both mixtures; If mixture, its proportioning between the two should be allocated according to material property, and the allotment scope was from 2: 8 to 8: 2.The weight proportion of above-mentioned inorganic coagulation material in lightweight wall plaster is 65-90%.
Described aglite both can be a glass bead, also can be pearlstone, or both mixtures.Described glass bead, its particle diameter 0.3-2.5mm, density 80-180kg/m; Described pearlstone, its particle diameter 2.0-4.0mm, density 60-100kg/m
3Described both mixture should be optimized proportioning according to the size of its particle diameter, and the allotment scope of its weight was from 3: 7 to 6: 4.The weight proportion of above-mentioned aglite in lightweight wall plaster is 5-30%.
Described filler promptly can be a material separately such as flyash, dry powder, stone flour, quartz sand; Also can be two or more mixture of above-mentioned materials, its proportioning be adjusted by functional and cost, wherein, the alternative part cement of flyash (being not more than 20%), not only can reduce cost, and improves the workability of mortar, and can improve slurry density; Quartz sand can improve the workability of mortar and can increase its intensity, reduces cost; Filler such as dry powder, stone flour plays and reduces the formulation cost effect, and the weight proportion of above-mentioned filler in lightweight wall plaster is 0-30%.
Described functional admixture comprises cement, redispersable latex powder, water-holding agent, thickening material, retardant, water reducer, air entrapment agent, fiber etc., adds according to different requirements.Wherein:
Described functional admixture cement is for improving the wet mortar alkaline environment, improves lightweight wall mortar workability and adds, and the weight proportion of interpolation is 0.0-5.0%.
Described functional admixture redispersable latex powder adds for improving lightweight wall mortar force of cohesion and cohesive force, comprises vinyl acetate between to for plastic/ethylene copolymer rubber powder etc., and the weight proportion of interpolation is 0.0-1.5%.
Described functional admixture water-holding agent is to add for performance and the raising mortar workability of improving wet mortar, comprises methylcellulose gum or hydroxypropylcellulose, and the weight proportion of interpolation is 0.05-0.5%.
Described functional admixture retardant is for adding the time of coagulation that delays desulfurated plaster, comprise gypsum special retarder or lemon acids etc., and the weight proportion of interpolation is 0.02-1.5%.
Described functional admixture thickening material is for denseness and the sag resistance that improves mortar adds, and comprises starch ethers etc., and the weight proportion of interpolation is 0.02-0.1%.
Described functional admixture fiber is to add for the resistance to cleavage and the tensile property that improve thermal insulation mortar, comprises polypropylene fibre, wood fibre etc., and adding proportion is 0.08-0.3%.
Described functional admixture water reducer is to add for the flowability and the slurry ultimate compression strength performance that improve thermal insulation mortar, comprises naphthene sulfonic acid, trimeric cyanamide, poly carboxylic acid etc., and the weight proportion of interpolation is 0.05-0.4%.
Described functional admixture air entrapment agent, be to add for workability and raising slurry frost resistance, the impermeability of improving thermal insulation mortar, comprise alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol sulfonate class, nonionic surface active agent etc., the weight proportion of interpolation is 0.005-0.05%.
Embodiment one: this lightweight wall plaster, each amount of substance that is comprised: desulfurated plaster 600kg, glass bead 240kg, cement 60kg, quartz sand 90kg, retardant 3.0kg, water-holding agent 2.5kg; Polypropylene fibre 1.5kg; Starch ethers 0.5kg.
Embodiment two: this lightweight wall plaster, each amount of substance that is comprised: desulfurated plaster 730kg, glass bead 200kg, cement 60kg, retardant 2.5kg, water-holding agent 3.0kg; Polypropylene fibre 1.5kg; Starch ethers 0.5kg.
Embodiment three: this lightweight wall plaster, each amount of substance that is comprised: desulfurated plaster 850kg, glass bead 100kg, cement 50kg, retardant 2.5kg, water-holding agent 3.0kg; Polypropylene fibre 1.0kg; Starch ethers 0.3kg, air entrapment agent 0.2kg.
Lightweight wall plaster of the present invention is the single-component dry powder material that batch production is produced, and only adds water at the construction field (site) and stirs and can use.It is advantageous that to have overcome bicomponent material inaccurate, the quality drawback rambunctious of proportioning at the scene to have advantages such as steady quality is reliable, construction is simply easy.
Lightweight wall plaster of the present invention also can adopt the mode of mechanically spraying directly to spray on metope, it is advantageous that the construction effect is faster, cohesive strength better, quality is more firm.
Lightweight wall plaster of the present invention can directly be executed and smear in places such as inner side of outer wall, party wall, locellus wall, ceilings, thereby improves the thermal and insulating performance of indoor wall.
Lightweight wall plaster of the present invention is applicable to severe cold area, cold district, cold, the hot summer and warm winter region and gentle regional of Xia Redong, and save energy loss significantly can also improve the comfort level of inhabitation.
Replace quartz sand aggregate with the glass bead aglite; with the desulfurated plaster place of cement as inorganic coagulation material; made lightweight wall plaster thermal conductivity 〉=0.09W/ (m.k); ultimate compression strength 〉=1.0Mpa; can directly be applied over (partly base material should carry out interface processing, as slick concrete wall surface, ceiling) on the various base materials.Not only can save energy and reduce the cost, also can solve the outlet of industrial residue, reduce a large amount of land occupations of industrial residue, and the basic substance of necessity is provided for construction.
Claims (11)
1. lightweight wall plaster, its weight percent is: inorganic coagulation material 65-90%, aglite 5-30%, filler 0-30%, functional admixture 0-10%; Inorganic coagulation material is desulfurated plaster or plaster of Paris.
2. lightweight wall plaster as claimed in claim 1 is characterized in that: inorganic coagulation material is desulfurated plaster or plaster of Paris.
3. lightweight wall plaster as claimed in claim 1 is characterized in that: inorganic coagulation material is desulfurated plaster and plaster of Paris mixture, and the two weight proportion scope was from 2: 8 to 8: 2.
4. lightweight wall plaster as claimed in claim 1 is characterized in that: aglite is glass bead or pearlstone or both mixtures; The glass bead particle diameter is 0.3-2.5mm, density 80-180kg/m; This pearlstone particle diameter is 2.0-4.0mm, density 60-100kg/m; Described glass bead and pearlstone mixture weight proportion allotment scope from 3: 7 to 6: 4.
5. lightweight wall plaster as claimed in claim 1 is characterized in that: filler is flyash, dry powder, stone flour or quartz sand; Or two or more mixture of previous materials.
6. lightweight wall plaster as claimed in claim 1 is characterized in that: functional admixture comprises cement, redispersable latex powder, water-holding agent, thickening material, retardant, water reducer, air entrapment agent and fiber; Wherein weight proportion separately is: the cement adding proportion is 0.0-5.0%; The redispersable latex powder adding proportion is 0.0-1.5%; The water-holding agent adding proportion is 0.05-0.5%; The thickening material adding proportion is 0.02-0.1%; The retardant adding proportion is 0.02-1.5%; The water reducer adding proportion is 0.05-0.4%; The air entrapment agent adding proportion is 0.005-0.05%; The fiber adding proportion is 0.08-0.3%.
7. lightweight wall plaster as claimed in claim 6 is characterized in that: redispersable latex powder comprises vinyl acetate between to for plastic, ethylene copolymer rubber powder; Water-holding agent comprises methylcellulose gum or hydroxypropylcellulose.
8. lightweight wall plaster as claimed in claim 6 is characterized in that: retardant comprises gypsum special retarder or lemon acids; Described thickening material comprises starch ethers.
9. lightweight wall plaster as claimed in claim 6 is characterized in that: fiber comprises polypropylene fibre or wood fibre.
10. lightweight wall plaster as claimed in claim 6 is characterized in that: water reducer comprises naphthene sulfonic acid, trimeric cyanamide or poly carboxylic acid.
11. lightweight wall plaster as claimed in claim 6 is characterized in that: air entrapment agent comprises alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol sulfonate class or nonionic surface active agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910112634A CN101691292A (en) | 2009-09-30 | 2009-09-30 | Lightweight wall plaster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112634A CN101691292A (en) | 2009-09-30 | 2009-09-30 | Lightweight wall plaster |
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| CN101691292A true CN101691292A (en) | 2010-04-07 |
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