CN104129968A - Organic-inorganic compound thermal insulation clay for building exterior wall and preparation method thereof - Google Patents
Organic-inorganic compound thermal insulation clay for building exterior wall and preparation method thereof Download PDFInfo
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- CN104129968A CN104129968A CN201410341917.8A CN201410341917A CN104129968A CN 104129968 A CN104129968 A CN 104129968A CN 201410341917 A CN201410341917 A CN 201410341917A CN 104129968 A CN104129968 A CN 104129968A
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- clay
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- exterior wall
- building exterior
- insulation clay
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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
Abstract
The invention discloses organic-inorganic compound thermal insulation clay for a building exterior wall and a preparation method thereof, and belongs to the technical field of building materials. The organic-inorganic compound thermal insulation clay comprises, by mass, 15-30% of cement, 3-15% of fly ash, 15-25% of an emulsion, 6-12% of silica sol, 2.2-3.8% of polyphenyl particles, 3.0-8.5% of glazed microbeads, 0.5-1.6% of a fibrous material, 5-12% of powdered steatile, 2-10% of calcium silicate, 2-6% of re-dispersible latex powder, 0.2-0.5% of hydroxypropyl methyl cellulose, 0.5-2.0% of sodium alginate, 0.2-1.0% of alcohol ester-12, 0.002-0.01% of an air entraining agent, 0.1-0.3% of a water repellent, 0.05-0.15% of a coupling agent, 0.1-0.5% of a mildew preventive and 25-45% of water. The preparation method utilizes the raw materials obtained conveniently, has simple production processes, shortens a construction period and saves an engineering cost.
Description
Technical field
the invention belongs to building material technical field, relate in particular to a kind of used for building exterior wall organic-inorganic compoiste insulation clay and preparation method thereof.
Background technology
traditional external thermal insulation system is comprised of thermal insulation layer, anti-cracking protective layer, finish coat and immobilization material, but its working procedure is many, and long construction period makes engineering comprehensive cost higher; In addition, higher for construction process requirement, once construction wrong, as: substrate surface planeness deviation is excessive, interface processing is undesirable, the depth of burying of anchoring piece not or anchoring quantity too much etc., can cause the poor stability of thermal insulation layer or the resistance to cleavage of anti-cracking protective layer poor, thereby make outer heat preservation system cannot meet the needs of heat insulating, more seriously may cause the cracking of outer heat preservation system even to come off.
the report of relevant insulation clay is relatively less at present, as introduced a kind of composite heat preserving and thermal insulating paste in Chinese patent CN 1125203A, it consists of pearlstone, aluminum silicate fiber, flyash, slaked lime, octopus Piao stone flour, asbestos powder, tackiness agent, high-temp glue and water, but take the healthy and safe of the asbestos powder producers that are raw material serious harm; In Chinese patent CN 101468907B, mentioned a kind of SiO
2
nano composite heat preserving and thermal insulating paste, it is with SiO
2
nanoporous aerogel is material of main part, adds tackiness agent, inorganic closed pore microballon material, pearlstone, wilkinite, filamentary material and water etc., prepares the heat insulating paste of heat-insulating property excellence, but uses nanometer shape SiO
2
aerogel is that material of main part production cost is higher.
existing External Walls Heating Insulation has many weak points, and as high in: long construction period, engineering cost, to be difficult to equilibrium system mechanical property and heat-insulating property, easy to crack, work-ing life is short etc.
Summary of the invention
the present invention is directed to the technical problem existing in existing exterior-wall heat insulation, a kind of used for building exterior wall organic-inorganic compoiste insulation clay and preparation method thereof is provided.
composition and the quality percentage composition of a kind of used for building exterior wall organic-inorganic compoiste insulation clay provided by the invention are:
cement 15～30
flyash 3～15
emulsion 15～25
silicon sol 6～12
granular polystyrene 2.2～3.8
glass bead 3.0～8.5
filamentary material 0.5～1.6
talcum powder 5～12
calucium Silicate powder 2～10
redispersable latex powder 2～6
vltra tears 0.2～0.5
sodium alginate 0.5～2.0
alcohol ester-12 0.2～1.0
air entrapment agent 0.002～0.01
hydrophober 0.1～0.3
coupling agent 0.05～0.15
mould inhibitor 0.1～0.5
water 25～45
described cement is ordinary Portland cement, and strength grade is not less than 32.5MPa.
described flyash is I level or II level flyash, preferred I level flyash, and fineness is 300～400 orders, tap density is 750～850kg/m
3
.
described emulsion is organosilicon crylic acid latex or benzene emulsion, and solid content is 45wt%～55 wt %, and pH value is 7.0～9.0.
described silicon sol is alkaline sodium type silicon sol, SiO in silicon sol
2
content be 20wt%～40wt%, size distribution is 5～30 nm, pH value is 8.5～10.5.
described granular polystyrene comes from discarded polystyrene foam particles, and tap density is 12～20kg/m
3
, the processing of sieving, optimizes the granular polystyrene that particle diameter is 3～5mm.
described glass bead has I class, II class and III class, preferred II class expanded and vitrified small ball, and its tap density is 80～120kg/m
3
, thermal conductivity≤0.048W/ (mk).
described filamentary material be polypropylene fibre, polyacrylonitrile fibre, polyvinyl alcohol fiber, tynex and wood fibre any one or more mixing, in insulation clay, add filamentary material, the stress dispersion that makes to be incubated clay is even, thereby play the effect of cracking resistance, optimization polypropylene fiber and wood fibre are arranged in pairs or groups, and wherein the length of polypropylene fibre is 2～4mm.
described talcous molecular formula is Mg
3
(Si
4
o
10
) (OH)
2
, fineness is 800～1250 orders, can improve wear resistance and the cohesiveness of insulation clay; The structural unit of described Calucium Silicate powder is silicon-oxy tetrahedron, is chain-like structure, and thermal conductivity is low, for being incubated clay, can improve its insulation, heat-proof quality.
described redispersable latex powder is any one in ethene-vinyl acetate co-polymer class, polyvinyl alcohol, polyethylene kind and polyacrylamide, optimal ethylene-vinyl acetate between to for plastic redispersable latex powder.
the fineness of described Vltra tears is 40～100 orders, and viscosity is 100000～200000mPas;
described sodium alginate is a kind of natural polysaccharide, can be used as thickening material and stablizer, adds the viscosity that appropriate sodium alginate not only can improve insulation clay, and can improve clay in the stability of lay up period;
described alcohol ester-12 are alkoxide compound, and chemical name is 2,2,4-trimethylammonium-1, and 3-pentanediol mono isobutyrate mainly plays furtherance membrane interaction;
described air entrapment agent is any one in sodium abietate, sodium alkyl benzene sulfonate, OP emulsifying agent, acrylic acid epoxy fat and triterpenoid saponin, tests factually gained, and the amount of air entrainment of insulation in clay has good mechanical property and insulation, heat-proof quality 2%～4% time concurrently;
described hydrophober is silicone based hydrophober, preferable methyl sodium silanolate, and it can form on insulation clay surface one deck methyl silicon ether waterproof membrane;
described coupling agent is any one in silane resin acceptor kh-550, KH-560, KH-570, can between emulsion and silicon sol, form " bridge ", and film forming compactness is improved greatly.
described mould inhibitor is heterocyclic compound or aminated compounds, and the generation that mould inhibitor can mould fungus inhibition, is conducive to be incubated the storage of clay.
after described compound insulation clay construction, can be directly at clay layer surface-coated architectural reflective heat-insulation paint coat system, avoided arranging the problems such as long construction period that anti-cracking protective layer brings, system cost height; The filmogen of described insulation clay is composite and obtain by emulsion and silicon sol, the filmogen of finish coat is also emulsion, and emulsion used can be compatible, therefore, compatibility between thermal insulation layer and finish coat is splendid, there will not be because of compatibility not good appearance cracking, the defect such as peel off.
the organic-inorganic compoiste insulation clay that the present invention proposes, its preparation method concrete steps are:
(1) silicon sol weighing up is added in stainless steel cauldron, stirring at low speed then adds successively coupling agent and emulsion in stainless steel cauldron, stirs 1～3h, add alcohol ester-12 and mould inhibitor, stir 20～30min and obtain silicon sol-emulsion inorganic/organic composite filmogen;
(2) in kneader, add successively water, granular polystyrene, glass bead, filamentary material, talcum powder, Calucium Silicate powder, redispersable latex powder, Vltra tears, sodium alginate, air entrapment agent, hydrophober, cement and flyash, fully stir 1～3h;
(3) the composite membrane-forming material described step (1) being obtained proceeds in kneader, stirs 20～40min, makes described insulation clay.
the organic-inorganic compoiste insulation clay that the present invention proposes, its construction technology is:
first carry out the preparation work before construction, the filling etc. of, pocket flat comprising picking of the dedusting decontamination to matrix metope, high protruding place; Then adopt the mode of spraying or roller coating to apply construction interface agent; After treating interfacial agents complete drying, can construction heat-insulating clay layer, construction twice, the construction thickness of every time is about 8～15mm; Reach after specific thickness, with darby compacting, levelling, to guarantee to be incubated between clay layer and matrix metope and to be incubated between clay layer inside, bond firmly; Finally on insulation clay layer surface, carry out the construction of finish coat.
the present invention has following technical characterstic:
1, take industrial waste flyash and granular polystyrene as raw material, flyash can partly replace cement, has both protected environment, turns waste into wealth again, has reasonably utilized resource;
2, with silane coupling agent coupling emulsion and silicon sol, improved the compactness of filming, improved the mechanical property of insulation clay; Composite with organic insulation material and inorganic heat insulation material, make to be incubated clay and there is lower dry density and thermal conductivity, by controlling the addition content of granular polystyrene, can regulate well the dry density of clay;
3, the prepared insulation clay of this patent has excellent mechanical property and thermal and insulating performance concurrently, and good with the compatibility of finish coat, adhesive power is strong, has guaranteed that heat-insulation system has excellent weather resistance;
4, this patent raw material sources are convenient, and production technique is simple, the more important thing is, has shortened construction period, has saved engineering cost, has a good promotion prospects.
Embodiment
embodiment 1: filling a prescription is: strength grade is not less than the ordinary Portland cement 16% of 32.5MPa, I level flyash 5%, organosilicon crylic acid latex 18%; JN-30 type silicon sol 8%, granular polystyrene 2.4%, glass bead 4%; filamentary material 1%, talcum powder 6%, Calucium Silicate powder 8%; redispersable latex powder 3%, Vltra tears 0.3%, sodium alginate 1%; alcohol ester ten two 0.5%, air entrapment agent 0.004%, hydrophober 0.1%; coupling agent 0.1%, mould inhibitor 0.2%, water 26.396%.According to described preparation method, prepare compound insulation clay.
embodiment 2: filling a prescription is: strength grade is not less than the ordinary Portland cement 18% of 32.5MPa, I level flyash 6%, benzene emulsion 15%; JN-30 type silicon sol 7%, granular polystyrene 3.2%, glass bead 3%; filamentary material 0.8%, talcum powder 5%, Calucium Silicate powder 6%; redispersable latex powder 3.5%, Vltra tears 0.3%, sodium alginate 1.2%; alcohol ester ten two 0.5%, air entrapment agent 0.005%, hydrophober 0.1%; coupling agent 0.08%, mould inhibitor 0.1%, water 30.215%.According to described preparation method, prepare compound insulation clay.
insulation clay relevant technologies index prepared by embodiment 1-2 is in Table 1.
the detected result of the compound insulation clay of table 1 the present invention
Claims (8)
1.
a used for building exterior wall organic-inorganic compoiste insulation clay, is characterized in that composition and the quality percentage composition of described organic-inorganic compoiste insulation clay is:
cement 15～30
flyash 3～15
emulsion 15～25
silicon sol 6～12
granular polystyrene 2.2～3.8
glass bead 3.0～8.5
filamentary material 0.5～1.6
talcum powder 5～12
calucium Silicate powder 2～10
redispersable latex powder 2～6
vltra tears 0.2～0.5
sodium alginate 0.5～2.0
alcohol ester-12 0.2～1.0
air entrapment agent 0.002～0.01
hydrophober 0.1～0.3
coupling agent 0.05～0.15
mould inhibitor 0.1～0.5
water 25～45
described cement is ordinary Portland cement, and strength grade is not less than 32.5MPa;
described flyash is I level or II level flyash;
described emulsion is organosilicon crylic acid latex or benzene emulsion, and solid content is 45wt%～55 wt %, and pH value is 7.0～9.0;
described silicon sol is alkaline sodium type silicon sol, SiO in silicon sol
2
content be 20wt%～40wt%, size distribution is 5～30 nm, pH value is 8.5～10.5;
the tap density of described granular polystyrene is 12～20kg/m
3
, particle diameter is 3～5mm;
described glass bead is I class, II class and III class glass bead;
described filamentary material be polypropylene fibre, polyacrylonitrile fibre, polyvinyl alcohol fiber, tynex and wood fibre any one or more mixing;
described talcum powder is Mg
3
(Si
4
o
10
) (OH)
2
, fineness is 800～1250 orders;
described redispersable latex powder is any one in ethene-vinyl acetate co-polymer class, polyvinyl alcohol, polyethylene kind and polyacrylamide;
described alcohol ester-12 are 2,2,4-trimethylammonium-1,3-pentanediol mono isobutyrate;
described air entrapment agent is any one in sodium abietate, sodium alkyl benzene sulfonate, OP emulsifying agent, acrylic acid epoxy fat and triterpenoid saponin;
described hydrophober is silicone based hydrophober;
described coupling agent is any one in silane resin acceptor kh-550, KH-560, KH-570;
described mould inhibitor is heterocyclic compound or aminated compounds.
2.
according to claim 1, a used for building exterior wall organic-inorganic compoiste insulation clay, is characterized in that described flyash is I level flyash, and fineness is 300～400 orders, and tap density is 750～850kg/m 3 .
3.
according to claim 1, a used for building exterior wall organic-inorganic compoiste insulation clay, is characterized in that described glass bead is II class expanded and vitrified small ball, and its tap density is 80～120kg/m 3 , thermal conductivity≤0.048W/ (mk).
4.
according to claim 1, a used for building exterior wall organic-inorganic compoiste insulation clay, is characterized in that described filamentary material is that polypropylene fibre mixes composition with wood fibre, and the length of described polypropylene fibre is 2～4mm.
5.
according to claim 1, a used for building exterior wall organic-inorganic compoiste insulation clay, is characterized in that described redispersable latex powder is ethene-vinyl acetate redispersable latex powder.
6.
according to claim 1, used for building exterior wall organic-inorganic compoiste is incubated a clay, and the fineness that it is characterized in that described Vltra tears is 40～100 orders, and viscosity is 100000～200000mPas.
7.
according to claim 1, a used for building exterior wall organic-inorganic compoiste insulation clay, is characterized in that described hydrophober is methyl silicon sodium alcoholate.
8.
described in claim 1, be incubated the preparation method of clay, it is characterized in that the method concrete steps are:
(1) silicon sol weighing up is added in stainless steel cauldron, stirring at low speed then adds successively coupling agent and emulsion in stainless steel cauldron, stirs 1～3h, add alcohol ester-12 and mould inhibitor, stir 20～30min and obtain silicon sol-emulsion inorganic/organic composite filmogen;
(2) in kneader, add successively water, granular polystyrene, glass bead, filamentary material, talcum powder, Calucium Silicate powder, redispersable latex powder, Vltra tears, sodium alginate, air entrapment agent, hydrophober, cement and flyash, fully stir 1～3h;
(3) the composite membrane-forming material described step (1) being obtained proceeds in kneader, stirs 20～40min, makes described insulation clay.
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|---|---|---|---|
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| CN201410341917.8A CN104129968B (en) | 2014-07-18 | 2014-07-18 | Organic-inorganic compoiste used for building exterior wall insulation clay and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104945011A (en) * | 2015-06-23 | 2015-09-30 | 上海达壁美新材料有限公司 | Mixed lightweight aggregate |
| CN105905147A (en) * | 2016-04-28 | 2016-08-31 | 国家电网公司 | Sulfur hexafluoride gas cylinder carrier vehicle |
| CN106747089A (en) * | 2016-12-15 | 2017-05-31 | 芜湖浩权建筑工程有限公司 | A kind of fire-proof sound insulation construction heat preserving composite board and preparation method thereof |
| CN107298562A (en) * | 2017-08-01 | 2017-10-27 | 荆门市昌元科技有限公司 | The grey slime paint of the powdered art veins texture inner-outer wall of high durable tear-proof |
| CN107312411A (en) * | 2017-07-27 | 2017-11-03 | 王海红 | A kind of wall non-ignitable insulation paste coating and preparation method and construction method |
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| CN104945011A (en) * | 2015-06-23 | 2015-09-30 | 上海达壁美新材料有限公司 | Mixed lightweight aggregate |
| CN105905147A (en) * | 2016-04-28 | 2016-08-31 | 国家电网公司 | Sulfur hexafluoride gas cylinder carrier vehicle |
| CN105905147B (en) * | 2016-04-28 | 2018-05-11 | 国家电网公司 | A kind of sulfur hexafluoride gas cylinder transport vehicle |
| CN106747089A (en) * | 2016-12-15 | 2017-05-31 | 芜湖浩权建筑工程有限公司 | A kind of fire-proof sound insulation construction heat preserving composite board and preparation method thereof |
| IT201600128724A1 (en) * | 2016-12-20 | 2018-06-20 | Vincenzo Falcone | COMPOSITION FOR A THERMAL LOW-THERMAL COATING AND HIGH ENERGY EFFICIENCY AND PROCEDURE FOR ITS PREPARATION, ITS FINISHING, AND USES OF THE SAME |
| CN107312411A (en) * | 2017-07-27 | 2017-11-03 | 王海红 | A kind of wall non-ignitable insulation paste coating and preparation method and construction method |
| CN107298562A (en) * | 2017-08-01 | 2017-10-27 | 荆门市昌元科技有限公司 | The grey slime paint of the powdered art veins texture inner-outer wall of high durable tear-proof |
| CN108624210A (en) * | 2018-05-29 | 2018-10-09 | 贵州盛卓科科技有限公司 | A kind of hydrophobic nano-silica aeroge aqueous slurry |
| CN111153653A (en) * | 2020-01-15 | 2020-05-15 | 中国十七冶集团有限公司 | Novel heat-preservation daub for building external wall |
| CN111217570A (en) * | 2020-01-15 | 2020-06-02 | 中国十七冶集团有限公司 | Preparation method of external wall heat insulation system with heat insulation daub reflective heat insulation coating |
| CN111593825A (en) * | 2020-06-10 | 2020-08-28 | 普莱斯德节能科技有限责任公司 | Seamed rock wool and preparation method thereof |
| CN113683367A (en) * | 2021-09-30 | 2021-11-23 | 上海安围智能科技股份有限公司 | Inorganic sealant and preparation method and application thereof |
| CN115849854A (en) * | 2022-12-26 | 2023-03-28 | 君旺窗业(上海)有限公司 | Silicon hydrocarbon insulation board and preparation method thereof |
| CN115849854B (en) * | 2022-12-26 | 2024-04-26 | 君旺窗业(上海)有限公司 | Silicon hydrocarbon heat-insulating plate and preparation method thereof |
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