CN102979204B - Low-alkaline adhesive mortar compote vacuum heat insulation board and preparation method thereof - Google Patents
Low-alkaline adhesive mortar compote vacuum heat insulation board and preparation method thereof Download PDFInfo
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- CN102979204B CN102979204B CN201210449211.4A CN201210449211A CN102979204B CN 102979204 B CN102979204 B CN 102979204B CN 201210449211 A CN201210449211 A CN 201210449211A CN 102979204 B CN102979204 B CN 102979204B
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- Prior art keywords
- adhesive mortar
- low alkali
- vacuum heat
- insulating plate
- mortar
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 72
- 239000000853 adhesive Substances 0.000 title claims abstract description 58
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 58
- 238000009413 insulation Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000000203 mixture Substances 0.000 claims description 76
- 239000003513 alkali Substances 0.000 claims description 53
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 46
- 239000004568 cement Substances 0.000 claims description 32
- 239000002131 composite material Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 19
- 239000006004 Quartz sand Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 239000003340 retarding agent Substances 0.000 claims description 8
- 241000276489 Merlangius merlangus Species 0.000 claims description 7
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 7
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 7
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 7
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000004816 latex Substances 0.000 claims description 5
- 229920000126 latex Polymers 0.000 claims description 5
- 235000008429 bread Nutrition 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 3
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 30
- 239000000835 fiber Substances 0.000 description 29
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 16
- -1 sawdust Substances 0.000 description 16
- 230000004888 barrier function Effects 0.000 description 15
- 229920000742 Cotton Polymers 0.000 description 12
- 239000004744 fabric Substances 0.000 description 12
- 239000011491 glass wool Substances 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 9
- 239000010451 perlite Substances 0.000 description 9
- 235000019362 perlite Nutrition 0.000 description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 239000000395 magnesium oxide Substances 0.000 description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 description 8
- 239000004793 Polystyrene Substances 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000011490 mineral wool Substances 0.000 description 6
- 229920002223 polystyrene Polymers 0.000 description 6
- 239000000565 sealant Substances 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 5
- 150000004645 aluminates Chemical class 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 229910021487 silica fume Inorganic materials 0.000 description 5
- 229910021653 sulphate ion Inorganic materials 0.000 description 5
- 239000011975 tartaric acid Substances 0.000 description 5
- 235000002906 tartaric acid Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910002012 Aerosil® Inorganic materials 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 229920002748 Basalt fiber Polymers 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 3
- 229920001732 Lignosulfonate Polymers 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- YSZKOFNTXPLTCU-UHFFFAOYSA-N barium lithium Chemical compound [Li].[Ba] YSZKOFNTXPLTCU-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 229910052599 brucite Inorganic materials 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 150000007942 carboxylates Chemical group 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 3
- 239000001989 lithium alloy Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 229920006284 nylon film Polymers 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 229920006289 polycarbonate film Polymers 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a low-alkaline adhesive mortar compote vacuum heat insulation board which comprises a vacuum heat insulation board and low-alkaline adhesive mortar which is coated on the periphery of the vacuum heat insulation board. The vacuum heat insulation board consists of core materials, a high-strength gas-blocking membrane and interface mortar, the high-strength gas-blocking membrane is coated on the periphery of the core materials and packed with the core materials in a vacuumizing mode, a layer of the interface mortar is coated on the periphery of the high-strength gas-blocking membrane, and the thickness of the interface mortar is 0.1-3 mm. The low-alkaline adhesive mortar compote vacuum heat insulation board has the advantages of overcoming a phenomenon that damage on traditional vacuum heat insulation materials occurs in the process of construction. The low-alkaline adhesive mortar compote vacuum heat insulation board is convenient to construct, good in heat insulation effect, and fireproof in class A.
Description
Technical field
The present invention relates to a kind of outer-wall thermal insulation composite plate of building field, is specifically composite evacuated heat insulating board of a kind of low alkali adhesive mortar and preparation method thereof.
Background technology
Do not fire or difficult combustion although vacuum heat-insulating plate fire-protection rating common at present can be up to state standards, heat insulation effect is good.But they are easily scraped off in work progress, occur hollowing, gas leak phenomenon, utilization rate reduces greatly.
Summary of the invention
For overcoming the defect of prior art, the invention provides the composite evacuated heat insulating board of a kind of low alkali adhesive mortar, and this prepares the method for this composite evacuated heat insulating board.Technical scheme of the present invention is: the composite evacuated heat insulating board of a kind of low alkali adhesive mortar, comprises vacuum heat-insulating plate and the low alkali adhesive mortar being coated on its periphery.
Described vacuum heat-insulating plate comprises core, high strength gas barrier film and boundary mortar, described high strength gas barrier film is wrapped in the periphery of core, and and by vacuumizing encapsulation between core, be coated with one deck boundary mortar in the periphery of described high strength gas barrier film, the thickness of this boundary mortar is 0.1 ~ 3mm.
Described vacuum heat-insulating plate comprises core and high strength gas barrier film, and described high strength gas barrier film is wrapped in the periphery of core, and and by vacuumizing encapsulation between core.
Described core is by microfine silica powder 40-90wt%, inserts 0-45wt%, inorganic core material 0-20wt%, fiber 1-18wt%, and getter 0-3wt%, vacuum stabilizer 0-3wt% form.
Described microfine silica powder is one or more mixtures according to arbitrary proportion mixing composition in silica flour, silicon ash, pozzolan, SILICA FUME, perlite powder, SiO 2 powder, and its bulk density is 80-280kg/m
3, specific area is 10-39m
2/ g, average grain diameter is 0.1-2 micron.
Described inserts is one or more mixtures according to arbitrary proportion composition in flyash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, kieselguhr, super glass wool, centrifugally glass-wool, rock wool, aluminic acid aluminum fiber, ceramic fibre.
Described inorganic core material is one or more mixtures according to arbitrary proportion composition in aeroge, aerosil, precipitated silica, white carbon.
Described fiber is one or more mixtures according to arbitrary proportion composition in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, foam, cotton, synthetic cotton, its length is 3-12mm, and fibre diameter is 0.2-13 micron.
Described getter is one or more mixtures according to arbitrary proportion composition in active carbon, barium lithium alloy activator, calcium oxide, magnesia, silica gel.
Described vacuum stabilizer is a kind of or the two mixture according to arbitrary proportion composition in carborundum and superfine fibre active carbon material.
Described high strength gas barrier film is composited by the overcoat in outside and the sealant of inner side; Wherein, overcoat is composited by one or more in glass-fiber-fabric, non-woven fabrics, carbon-fiber cloth, basalt fiber cloth, ceramic fiber cloth, woven fabric; Sealant is composited by aluminium foil, aluminizer, polyester film, nylon film, polyethylene sheeting, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, ethylene-vinyl alcohol copolymer film, polycarbonate film, polyacrylic one or more.
Described boundary mortar is prepared by the following method and obtains, take following raw material: cement 30 ~ 45 parts, 30-50 object quartz sand 5 ~ 10 parts, coarse whiting 7 ~ 10 parts, SILICA FUME 3 ~ 5 parts, rubber powder 4 ~ 7 parts, Admixture 3 parts, emulsion 15 ~ 20 parts, by the abundant mix and blend of each raw material after taking, to obtain final product.
Cement in described boundary mortar adopts one or more mixtures formed in any proportion in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, magnesia cement, high strength gypsum.
Described Admixture is the mixture obtained after polypropylene fibre, tartaric acid, hydroxypropyl methylcellulose, lignin and polyvinyl alcohol combine in any proportion.
Described low alkali adhesive mortar is each component composition of following weight portion: cement 40-50 part, quartz sand 40-60 part, coarse whiting 8-15 part, dispersibility latex powder 5-10 part, hydroxypropyl methylcellulose 0.1-0.3 part, water reducing agent 0.2-0.4 part, retarding agent 0.4-0.8 part;
Described water reducing agent is lignosulfonates or sulfonated melamine compound resin;
Described retarding agent is any one in monohydric alcohol, polyalcohol, polyvinyl alcohol, carboxylate group organic matter, tartaric acid, phosphate or borate;
The particle size of described quartz sand is 30-50 order or 50-80 order.
Described cement adopts one or more mixtures formed in any proportion in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, magnesia cement, high strength gypsum.
A preparation method for the composite evacuated heat insulating board of low alkali adhesive mortar, comprises the following steps:
(1), after each component of the low alkali adhesive mortar of preparation being weighed, fully mix, obtain mixture;
(2) put in mixer after being mixed with water by the mixture obtained in step (1) and stir 10min, ensure fully to mix, obtain low alkali adhesive mortar, the mass ratio of mixture that wherein water and above-mentioned each component form is 5:1
(3) mould of specification is got, the low alkali adhesive mortar that one deck 2-15mm is thick is first divided in bottom surface, put into the vacuum heat-insulating plate of specification again, the area of this vacuum heat-insulating plate is less than the area of mould, and six of vacuum heat-insulating plate all keep identical distance 5-15mm with between mould, then the low alkali adhesive mortar that 2-15mm is thick is built in the above, also built the thick low alkali adhesive mortar of more than 2mm between side and template for four of vacuum insulation panel simultaneously, make adhesive mortar by coated for whole vacuum heat-insulating plate, form topping, then the demoulding after standing 8-24 h, maintenance 3-28 days is covered with plastic sheeting again under natural environmental condition, obtain low alkali bonding composite vacuum insulating plate.
A preparation method for the composite evacuated heat insulating board of low alkali adhesive mortar, comprises the following steps:
(1), after each component of the low alkali adhesive mortar of preparation being weighed, fully mix, obtain mixture;
(2) put in mixer after being mixed with water by the mixture obtained in step (1) and stir 10min, ensure fully to mix, obtain low alkali adhesive mortar, the mass ratio of mixture that wherein water and above-mentioned each component form is 5:1;
(3) mould of specification is got, the low alkali adhesive mortar that one deck 2-15mm is thick is first divided in bottom surface, put into the vacuum heat-insulating plate of specification again, the area of this vacuum heat-insulating plate is the same with the area of mould, and four of vacuum heat-insulating plate sides just in time contact with mould, then the low alkali adhesive mortar that 2-15mm is thick is built in the above, , two bread lower under whole vacuum heat-insulating plate are covered by adhesive mortar, form topping, then the demoulding after standing 8-24 h, maintenance 3-28 days is covered with plastic sheeting again under natural environmental condition, obtain low alkali bonding composite vacuum insulating plate.
Advantage of the present invention is: overcome the damage phenomenon that traditional vacuum heat-insulating heat-preserving material occurs in work progress, provides a kind of easy construction, good effect of heat insulation, the composite evacuated heat insulating board of A level fireproof boundary mortar.
Detailed description of the invention
Embodiment 1: the composite evacuated heat insulating board of a kind of low alkali adhesive mortar, comprises vacuum heat-insulating plate and the low alkali adhesive mortar being coated on its periphery.
Described vacuum heat-insulating plate comprises core, high strength gas barrier film and boundary mortar, described high strength gas barrier film is wrapped in the periphery of core, and and by vacuumizing encapsulation between core, be coated with one deck boundary mortar in the periphery of described high strength gas barrier film, the thickness of this boundary mortar is 0.1 ~ 3mm.
Described vacuum heat-insulating plate comprises core and high strength gas barrier film, and described high strength gas barrier film is wrapped in the periphery of core, and and by vacuumizing encapsulation between core.
Described core is by with the listed as parts by weight of 100 parts, microfine silica powder 40-90 part, inserts 0-45 part, inorganic core material 0-20 part, fiber 1-18 part, getter 0-3 part, vacuum stabilizer 0-3 part.
Described microfine silica powder is one or more mixtures according to arbitrary proportion mixing composition in silica flour, silicon ash, pozzolan, SILICA FUME, perlite powder, SiO 2 powder, and its bulk density is 80-280kg/m
3, specific area is 10-39m
2/ g, average grain diameter is 0.1-2 micron.
Described inserts is one or more mixtures according to arbitrary proportion composition in flyash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, kieselguhr, super glass wool, centrifugally glass-wool, rock wool, aluminic acid aluminum fiber, ceramic fibre.
Described inorganic core material is one or more mixtures according to arbitrary proportion composition in aeroge, aerosil, precipitated silica, white carbon.
Described fiber is one or more mixtures according to arbitrary proportion composition in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, foam, cotton, synthetic cotton, its length is 3-12mm, and fibre diameter is 0.2-13 micron.
Described getter is one or more mixtures according to arbitrary proportion composition in active carbon, barium lithium alloy activator, calcium oxide, magnesia, silica gel.
Described vacuum stabilizer is a kind of or the two mixture according to arbitrary proportion composition in carborundum and superfine fibre active carbon material.
Described high strength gas barrier film is composited by the overcoat in outside and the sealant of inner side; Wherein, overcoat is composited by one or more in glass-fiber-fabric, non-woven fabrics, carbon-fiber cloth, basalt fiber cloth, ceramic fiber cloth, woven fabric; Sealant is composited by aluminium foil, aluminizer, polyester film, nylon film, polyethylene sheeting, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, ethylene-vinyl alcohol copolymer film, polycarbonate film, polyacrylic one or more.
Described boundary mortar is prepared by the following method and obtains, take following raw material: cement 30 ~ 45 parts, 30-50 object quartz sand 5 ~ 10 parts, coarse whiting 7 ~ 10 parts, SILICA FUME 3 ~ 5 parts, rubber powder 4 ~ 7 parts, Admixture 3 parts, emulsion 15 ~ 20 parts, by the abundant mix and blend of each raw material after taking, to obtain final product.
Cement in described boundary mortar adopts one or more mixtures formed in any proportion in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, magnesia cement, high strength gypsum.
Described Admixture is the mixture obtained after polypropylene fibre, tartaric acid, hydroxypropyl methylcellulose, lignin and polyvinyl alcohol combine in any proportion.
Described low alkali adhesive mortar is each component composition of following weight portion: cement 40-50 part, quartz sand 40-60 part, coarse whiting 8-15 part, dispersibility latex powder 5-10 part, hydroxypropyl methylcellulose 0.1-0.3 part, water reducing agent 0.2-0.4 part, retarding agent 0.4-0.8 part;
Described water reducing agent is lignosulfonates or sulfonated melamine compound resin;
Described retarding agent is any one in monohydric alcohol, polyalcohol, polyvinyl alcohol, carboxylate group organic matter, tartaric acid, phosphate or borate;
The particle size of described quartz sand is 30-50 order or 50-80 order.
Described cement adopts one or more mixtures formed in any proportion in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, magnesia cement, high strength gypsum.
A preparation method for the composite evacuated heat insulating board of low alkali adhesive mortar, comprises the following steps:
(1), after each component of the low alkali adhesive mortar of preparation being weighed, fully mix, obtain mixture;
(2) put in mixer after being mixed with water by the mixture obtained in step (1) and stir 10min, ensure fully to mix, obtain low alkali adhesive mortar, the mass ratio of mixture that wherein water and above-mentioned each component form is 5:1
(3) mould of specification is got, the low alkali adhesive mortar that one deck 2-15mm is thick is first divided in bottom surface, put into the vacuum heat-insulating plate of specification again, the area of this vacuum heat-insulating plate is less than the area of mould, and six of vacuum heat-insulating plate all keep identical distance 5-15mm with between mould, then the low alkali adhesive mortar that 2-15mm is thick is built in the above, also built the thick low alkali adhesive mortar of more than 2mm between side and template for four of vacuum insulation panel simultaneously, make adhesive mortar by coated for whole vacuum heat-insulating plate, form topping, then the demoulding after standing 8-24 h, maintenance 3-28 days is covered with plastic sheeting again under natural environmental condition, obtain low alkali bonding composite vacuum insulating plate.
Embodiment 2:
The composite evacuated heat insulating board of a kind of low alkali adhesive mortar, comprises vacuum heat-insulating plate and the low alkali adhesive mortar being coated on its periphery.
Described vacuum heat-insulating plate comprises core and high strength gas barrier film, and described high strength gas barrier film is wrapped in the periphery of core, and and by vacuumizing encapsulation between core.
Described core is by with the listed as parts by weight of 100 parts, microfine silica powder 40-90 part, inserts 0-45 part, inorganic core material 0-20 part, fiber 1-18 part, getter 0-3 part, vacuum stabilizer 0-3 part.
Described microfine silica powder is one or more mixtures according to arbitrary proportion mixing composition in silica flour, silicon ash, pozzolan, SILICA FUME, perlite powder, SiO 2 powder, and its bulk density is 80-280kg/m
3, specific area is 10-39m
2/ g, average grain diameter is 0.1-2 micron.
Described inserts is one or more mixtures according to arbitrary proportion composition in flyash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, kieselguhr, super glass wool, centrifugally glass-wool, rock wool, aluminic acid aluminum fiber, ceramic fibre.
Described inorganic core material is one or more mixtures according to arbitrary proportion composition in aeroge, aerosil, precipitated silica, white carbon.
Described fiber is one or more mixtures according to arbitrary proportion composition in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, foam, cotton, synthetic cotton, its length is 3-12mm, and fibre diameter is 0.2-13 micron.
Described getter is one or more mixtures according to arbitrary proportion composition in active carbon, barium lithium alloy activator, calcium oxide, magnesia, silica gel.
Described vacuum stabilizer is a kind of or the two mixture according to arbitrary proportion composition in carborundum and superfine fibre active carbon material.
Described high strength gas barrier film is composited by the overcoat in outside and the sealant of inner side; Wherein, overcoat is composited by one or more in glass-fiber-fabric, non-woven fabrics, carbon-fiber cloth, basalt fiber cloth, ceramic fiber cloth, woven fabric; Sealant is composited by aluminium foil, aluminizer, polyester film, nylon film, polyethylene sheeting, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, ethylene-vinyl alcohol copolymer film, polycarbonate film, polyacrylic one or more.
Described low alkali adhesive mortar is each component composition of following weight portion: cement 40-50 part, quartz sand 40-60 part, coarse whiting 8-15 part, dispersibility latex powder 5-10 part, hydroxypropyl methylcellulose 0.1-0.3 part, water reducing agent 0.2-0.4 part, retarding agent 0.4-0.8 part;
Described water reducing agent is lignosulfonates or sulfonated melamine compound resin;
Described retarding agent is any one in monohydric alcohol, polyalcohol, polyvinyl alcohol, carboxylate group organic matter, tartaric acid, phosphate or borate;
The particle size of described quartz sand is 30-50 order or 50-80 order.
Described cement adopts one or more mixtures formed in any proportion in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, magnesia cement, high strength gypsum.
A preparation method for the composite evacuated heat insulating board of low alkali adhesive mortar, comprises the following steps:
(1), after each component of the low alkali adhesive mortar of preparation being weighed, fully mix, obtain mixture;
(2) put in mixer after being mixed with water by the mixture obtained in step (1) and stir 10min, ensure fully to mix, obtain low alkali adhesive mortar, the mass ratio of mixture that wherein water and above-mentioned each component form is 5:1;
(3) mould of specification is got, the low alkali adhesive mortar that one deck 2-15mm is thick is first divided in bottom surface, put into the vacuum heat-insulating plate of specification again, the area of this vacuum heat-insulating plate is the same with the area of mould, and four of vacuum heat-insulating plate sides just in time contact with mould, then the low alkali adhesive mortar that 2-15mm is thick is built in the above, , make adhesive mortar by coated for whole vacuum heat-insulating plate upper and lower surfaces, form topping, then the demoulding after standing 8-24 h, maintenance 3-28 days is covered with plastic sheeting again under natural environmental condition, obtain low alkali bonding composite vacuum insulating plate.
Claims (2)
1. a preparation method for the composite evacuated heat insulating board of low alkali adhesive mortar, is characterized in that: comprise the following steps:
(1), after each component of the low alkali adhesive mortar of preparation being weighed, fully mix, obtain mixture; Described low alkali adhesive mortar is each component composition of following weight portion: cement 40-50 part, quartz sand 40-60 part, coarse whiting 8-15 part, dispersibility latex powder 5-10 part, hydroxypropyl methylcellulose 0.1-0.3 part, water reducing agent 0.2-0.4 part, retarding agent 0.4-0.8 part;
(2) put in mixer after being mixed with water by the mixture obtained in step (1) and stir 10min, ensure fully to mix, obtain low alkali adhesive mortar, the mass ratio of mixture that wherein water and above-mentioned each component form is 5:1
(3) mould of specification is got, the low alkali adhesive mortar that one deck 2-15mm is thick is first divided in bottom surface, put into the vacuum heat-insulating plate of specification again, the area of this vacuum heat-insulating plate is less than the area of mould, and six of vacuum heat-insulating plate all keep identical distance 5-15mm with between mould, then the low alkali adhesive mortar that 2-15mm is thick is built in the above, also built the thick low alkali adhesive mortar of more than 2mm between side and template for four of vacuum insulation panel simultaneously, make adhesive mortar by coated for whole vacuum heat-insulating plate, form topping, then the demoulding after standing 8-24 h, maintenance 3-28 days is covered with plastic sheeting again under natural environmental condition, obtain low alkali bonding composite vacuum insulating plate.
2. a preparation method for the composite evacuated heat insulating board of low alkali adhesive mortar, is characterized in that: comprise the following steps:
(1), after each component of the low alkali adhesive mortar of preparation being weighed, fully mix, obtain mixture; Described low alkali adhesive mortar is each component composition of following weight portion: cement 40-50 part, quartz sand 40-60 part, coarse whiting 8-15 part, dispersibility latex powder 5-10 part, hydroxypropyl methylcellulose 0.1-0.3 part, water reducing agent 0.2-0.4 part, retarding agent 0.4-0.8 part;
(2) put in mixer after being mixed with water by the mixture obtained in step (1) and stir 10min, ensure fully to mix, obtain low alkali adhesive mortar, the mass ratio of mixture that wherein water and above-mentioned each component form is 5:1;
(3) mould of specification is got, the low alkali adhesive mortar that one deck 2-15mm is thick is first divided in bottom surface, put into the vacuum heat-insulating plate of specification again, the area of this vacuum heat-insulating plate is the same with the area of mould, and four of vacuum heat-insulating plate sides just in time contact with mould, then the low alkali adhesive mortar that 2-15mm is thick is built in the above, , two bread lower under whole vacuum heat-insulating plate are covered by adhesive mortar, form topping, then the demoulding after standing 8-24 h, maintenance 3-28 days is covered with plastic sheeting again under natural environmental condition, obtain low alkali bonding composite vacuum insulating plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410622819.1A CN104294943B (en) | 2012-11-12 | 2012-11-12 | Composite evacuated heat insulating board of low alkali adhesive mortar and preparation method thereof |
| CN201210449211.4A CN102979204B (en) | 2012-11-12 | 2012-11-12 | Low-alkaline adhesive mortar compote vacuum heat insulation board and preparation method thereof |
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| CN201210449211.4A CN102979204B (en) | 2012-11-12 | 2012-11-12 | Low-alkaline adhesive mortar compote vacuum heat insulation board and preparation method thereof |
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|---|---|
| CN102979204A (en) | 2013-03-20 |
| CN104294943B (en) | 2015-08-05 |
| CN104294943A (en) | 2015-01-21 |
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