CN100478300C - Prepn process of three-in-one heat insulating material for outer wall - Google Patents
Prepn process of three-in-one heat insulating material for outer wall Download PDFInfo
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- CN100478300C CN100478300C CNB2006100873709A CN200610087370A CN100478300C CN 100478300 C CN100478300 C CN 100478300C CN B2006100873709 A CNB2006100873709 A CN B2006100873709A CN 200610087370 A CN200610087370 A CN 200610087370A CN 100478300 C CN100478300 C CN 100478300C
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- lagging material
- acidify magaldrate
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- acidify
- additive
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011810 insulating material Substances 0.000 title abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 28
- 239000004793 Polystyrene Substances 0.000 claims abstract description 27
- 229920002223 polystyrene Polymers 0.000 claims abstract description 27
- 230000000996 additive effect Effects 0.000 claims abstract description 25
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 6
- 239000010451 perlite Substances 0.000 claims abstract description 5
- 235000019362 perlite Nutrition 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 66
- JIFPTBLGXRKRAO-UHFFFAOYSA-K aluminum;magnesium;hydroxide;sulfate Chemical compound [OH-].[Mg+2].[Al+3].[O-]S([O-])(=O)=O JIFPTBLGXRKRAO-UHFFFAOYSA-K 0.000 claims description 37
- 229960004018 magaldrate Drugs 0.000 claims description 37
- 229920006328 Styrofoam Polymers 0.000 claims description 26
- 239000008261 styrofoam Substances 0.000 claims description 26
- 238000010276 construction Methods 0.000 claims description 17
- 239000008187 granular material Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000004566 building material Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- 238000005303 weighing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 235000013311 vegetables Nutrition 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 239000001913 cellulose Substances 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 108010082495 Dietary Plant Proteins Proteins 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 2
- -1 Natvosol Polymers 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 2
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical group COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 12
- 239000004570 mortar (masonry) Substances 0.000 description 12
- 238000009413 insulation Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 10
- 238000004134 energy conservation Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000010009 beating Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- 238000011056 performance test Methods 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- C04B28/30—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 magnesium cements or similar 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Building Environments (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The present invention discloses one kind of heat insulating material for outer wall of building and its application process. The heat insulating material is prepared with expanded perlite in 55-65 weight portions, polystyrene grain in 1.5-3.5 weight portions and acidified magnesia as heat insulating material additive in 35-45 weight portions. Experiment shows that present invention as one kind of excellent outer wall heat insulating material has low heat conducting coefficient, high weather resistance, high tensile strength, high wind resistance and high impact strength.
Description
Technical field
The present invention relates to a kind of material of construction, relate in particular to lagging material that a kind of skin uses and preparation method thereof, belong to building material field.
Background technology
Defective that adopts at present the lagging material of styrofoam, compact substance styrofoam and thermal insulation mortar (cement mixing granular polystyrene) all to exist technically on the insulation market self can't to overcome and part not fully up to expectations.
Styrofoam is the organic materials that extracts from oil.Temperature influence sensitivity, molecule activity are very active.Heat resisting temperature has only 70 ℃, and when experiment recorded 70 ℃, size changing rate reached 5% after 48 hours.Area, Northeast China outdoor temperature in winter is-45 ℃～-20 ℃, and southern area metope in summer temperature can reach 70 ℃～75 ℃.The styrofoam material is subjected to the acute variation of outside air temperature, just can't change by nature to expand and warpage, and warpage, cracking are unavoidably.Be inevitable so use styrofoam to go wrong, the time length that goes wrong depends on the bonding object, selects for use ether of cellulose and vinylformic acid as cohesive body usually, the mixed cement mortar.These three kinds of materials all have aging time and thermal conductivity.Warpage, the cracking that can not stop styrofoam also can further aggravate the conduction of temperature.The styrofoam construction is gone up and is adopted rivet firmly to go up wall in addition.This constructional method makes styrofoam and metope produce the hollowing distance.The benefit that has distance is to a certain extent to having stoped the inside conduction of temperature.The problem that faces is, in case the styrofoam warpage, hot and cold air-flow just enters the hollowing distance, becomes hot and cold air-flow storing spot, is stored into certain value, and interior wall just becomes pontic, has destroyed indoor isoperibol.The person's character that can not change styrofoam just can not solve warpage, rimose problem, and also to be the Chinese and foreign department scholar be difficult to the problem of capturing so far using on the styrofoam for this.Main raw material vinylbenzene and the butane produced as styrofoam can produce obnoxious flavoures such as a large amount of benzene and carbon monoxide when burning.In case blaze up, the people sucks this kind obnoxious flavour, just loses self-saving ability, finally gets killed.The living environment of China is quite intensive again, in case produce burning, will cause large-area loss of life and personal injury, and the people are lived in unsafe hidden danger.Polyphenyl is the extract in the oil, and the lagging material of China all adopts styrofoam, Imported oil in a large number, and then cause worldwide rise in oil price; The costliness that also can cause the styrofoam material simultaneously conversely.Cause outside a large amount of loss of foreign exchange, be incubated, cause the insulation plan as a result in the whole nation can't smooth implementation, the insulation policy can't be prosecuted to the end, die on the vine as independent dependence styrofoam.
Thermal insulation mortar only adds the polyphenyl particle by cement and adds caking agent and mix.The thermal conductivity of cement is high to 1-2w/mk, and the parcel thermal conductivity is the granular polystyrene of 0.042-0.043w/mk, and formed cement and polystyrene mortar thermal conductivity is 0.095-0.098w/mk.Show via Shanghai test center of capital construction commission test result, use the thermal insulation mortar thermal conductivity at 0.1-0.2w/mk on the existing market, do not meet the standard of thermal conductivity below 0.06w/mk of national requirements lagging material.Because there is little conduction in the thermal conductivity height of cement between the cement glue.Exist little conduction to be meant that promptly hot and cold air-flow gathers earlier between the cement glue in distance element, cement can also produce certain barriering effect as the filtering net of current when gathering beginning, gathering of certain hour, body of wall stores hot and cold air and reaches certain value, make interior wall become hot and cold pontic, hot and cold air-flow importing is indoor, and it is indoor to cause outdoor hot and cold flow conductance to be advanced, and has finally destroyed the constant temperature of the interior space.
Existing lagging material can not really reach the insulation requirement.(above Haiti district is an example, and the energy-conservation requirement of secondary reaches 55.6% energy-saving index; The three grades of energy-conservation requirements in Beijing area reach 65%).Along with the standard day by day of the energy-conservation cause of country and perfect, the generally raising of energy-conservation requirement.The energy-conservation requirement regulation of existing Beijing area reaches energy-conservation 65%.Concrete enforcement in the face of this requirement and standard, existing Guan Yong heat preserving exterior wall system, styrofoam, compact substance plate will face the practical problems in technology and the construction: the thermal conductivity of styrofoam is 0.04w/mk, the thermal conductivity of compact substance plate is 0.027-0.029w/mk, though the thermal conductivity of compact substance plate is good, use its Wind-Pressure Resistance value on Highrise buildings just can not be born.The thermal conductivity of cement and polystyrene mortar will reach 65% heat preservation energy-saving index at 0.095-0.098, thickness with thick to 10 or 15cm.This kind thickness will increase the weight of the bearing capacity of body of wall greatly, and the carrying capacity of buildings is strengthened.Also there is proposition " sandwich " method promptly to use wall on the cement and polystyrene mortar therebetween styrofoam of the right and left 3cm.The problem that occurs at first be both sides the cement and polystyrene mortar can not with the firm combination of styrofoam, cause situation about coming off easily.Body of wall is an inorganics again, and the cement and polystyrene mortar is an organism, and inorganic and organic two kinds of materials can not fine combination, in case come off, will cause casualties, and has great potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of new skin lagging material is provided.
Technical problem to be solved by this invention realizes by following technological approaches:
A kind of skin lagging material is made up of the component of following weight part: acidify magaldrate lagging material additive 35-45 part, pearlstone 55-65 part, granules of polystyrene 1.5-3.5 part;
Preferably, the weight part of each component is: 39 parts of acidify magaldrate lagging material additives, 58.5 parts of pearlstones, 2.5 parts of granules of polystyrene.
Wherein, described acidify magaldrate lagging material additive can be bought by commercial sources and (for example obtain, the trade name that can produce available from Shanghai Yu Chen Technology Co., Ltd is " two weighing apparatus " board lagging material), also can prepare by the following method: take by weighing each component: acidify magaldrate pulvis 52-54% by following weight percent, acidify magaldrate lattice body 25-35%, ultra micro building materials efficient additive 8-12% and vegetable fibre 6-8%; Above each component is mixed uniformly, promptly.The weight percent of above-mentioned each component is preferably: acidify magaldrate pulvis 54%, acidify magaldrate lattice body 30%, ultra micro building materials efficient additive 10% and vegetable fibre 6%.
Described ultra micro building materials efficient additive comprises modified-cellulose 40-60 weight part, water-ground limestone 20-30 weight part, the vegetable-protein glue of material 20-30 weight part and 2-8 weight part, wherein, described modified-cellulose is selected from methyl cellulose ether, the hydroxyethyl ether Mierocrystalline cellulose, ethyl cellulose, Natvosol, carboxymethyl cellulose, hydroxypropylcellulose or their mixture; Described material is selected from silicon-dioxide, silicate, is the mineral or their mixture (asking for an interview the record of the patent No. for the independent claim 1 in claims of the Granted publication of " ZL200310113325.2 ") of main component with silicate.
The preparation method of described acidify magaldrate pulvis is as follows: will contain the magnesium rate and reach 85% above magnesium oxide ore throwing at (5% strength sulfuric acid+95% clear water; The two is a volume ratio) soak in the strong acid solution, carry out sintering after the acidifying, make pulvis and be the acidify magaldrate pulvis.
The preparation method of described acidify magaldrate lattice body is as follows: will contain the magnesium rate and reach 75% above magnesium oxide ore throwing at (35% strength sulfuric acid+65% clear water; The two is a volume ratio) soak in the strong acid solution, carry out crystallization by 180 ℃ of reactors after the acidifying, produce acidify magaldrate lattice body.
Described ultra micro building materials efficient additive is that the patent No. is the disclosed ultra micro building materials of ZL200310113325.2 patent efficient additives.
Described vegetable fibre can be any one vegetable fibre, for example is straw, straw, cotton stalk, perhaps with the resulting vegetable fibre in carton making beating back, is preferably cotton stalk fiber.
Described pearlstone comprises closed-cell expanded perlite and perforate pearlstone.
The preparation method of described granules of polystyrene is as follows: the useless styrofoam that will reclaim is pulverized the back and is crossed 60～80 mesh sieves promptly.The present invention adopts the useless styrofoam of recovery to make granules of polystyrene, styrofoam is carried out simple processing through giving up, this measure not only can solve a large amount of white garbage that exists in the city and pollute, but also, it is added the heat-insulating property that can improve material in the lagging material of the present invention greatly because granules of polystyrene itself has excellent heat-insulating property.
Add ultra micro building materials efficient additive in the acidify magaldrate pulvis, ultra micro building materials efficient additive increases force of cohesion with the volatilization of water molecules, strengthens intensity, and reduced volume forms the gluing inclusion with acidify magaldrate.Mix a spot of vegetable fibre of people in acidify magaldrate gluing inclusion, acid group enters into vegetable fibre, has guaranteed the without putrefaction of fiber, and the acidity of the acidify magaldrate that neutralized simultaneously makes whole material be modified as neutrality.
Acidify magaldrate lattice body is glassy crystal (Fig. 1), and molecular weight can be melted into water rapidly less than water.The lattice body is as the crystalline substance of magnesium oxide and magnesium chloride knot lattice, but have do not disperse, reductive strong hardness not.Be to seek the ground ore resources that can produce lattice by the national expert of Ministry of Geology and Mineral Resources, the mineral substance of employing more than three kinds swashs joins, mineral molecule with a kind of excellent stability carries out firmly the extremely strong molecule of a kind of activity, original subalkaline positively charged ion is converted into negatively charged ion by acidity, both are combined into stable phase and melt body, again by the brilliant connection of solid, formed preliminary brilliant knot in 3 days, brilliant knot lattice were finished substantially in 7 days, prolongation along with the time, the lattice body is progressively strengthened, and makes the intensity of acid lattice body reach the intensity and the hardness of silicate cement.
Acidify magaldrate itself is a pulvis, and acidify magaldrate, lattice body and efficient additive synthesize fabulous lapping, and these three kinds of materials can be to fine parcels of natural inorganic resource such as pearlstones.In addition available inclusion parcel granules of polystyrene, granular polystyrene from recycling to urban waste lunch box and packing used foamed plastics, solve the city white pollution and be converted into the city lagging material.Efficient additive in the lagging material has extremely strong perviousness, scrapes in the slurry process at base, and additive penetration is advanced body of wall, and as the rivet lock on the wall, material forms combining of no interface with body of wall.In addition, heat preservation slurry does not fire for 1000 ℃, in case fire appears in the room, more can not spread, feed through to other rooms.
The present invention makes full use of the low characteristic (0.055w/mk) of thermal conductivity of pearlstone, utilize whipping process that it is converted into small-particle by macrobead, and then clay into power and mix ultra micro building materials efficient additive, to strengthen the viscosity of pearlstone, form a kind of neutral adherent, the consumption that replaces a part of acidify magaldrate pulvis, the inorganics aging time of pearlstone is very very long simultaneously, the closely knit slit of granular polystyrene, back of having clayed into power, both are one at better the bonding, both increased the ultimate compression strength of whole material, strengthened the inorganic nature of material again, combined with metope is better.
Test confirms that lagging material thermal conductivity of the present invention is low, and weathering resistance is strong, and tensile strength, Wind-Pressure Resistance value and excellent in cushion effect are a kind of external-wall heat-insulation materials of excellent performance.
The preparation method of skin lagging material of the present invention is as follows: take by weighing component by following weight part: acidify magaldrate lagging material additive 35-45 part, pearlstone 55-65 part, granules of polystyrene 1.5-3.5 part; After above-mentioned each component mixing, stir promptly.
The application of skin lagging material of the present invention, comprise: after doubly the aqueous solution that is dissolved with water-resisting agent of lagging material of the present invention and 1-1.2 (weight ratio of water-resisting agent and water 1: 16) is mixed stirring, as the lagging material of skin, according to ordinary method construct (Fig. 2).
China is vast in territory, can be divided into areas such as East China, northeast, southwest according to weather condition.Wherein East China, southwest belong to sough, and wetness is bigger, and plum rain season is arranged, and the Pluvial longer duration belongs to two class areas on energy-saving heat preserving, and energy-conservation need reach more than 56%.When therefore doing building heat preservation, need consider the influence of energy-conservation data and wetness simultaneously in this zone.So in the whipping process of building heat-insulating mortar, add waterproof additive (the happy high-effective water-proof series of KL-205 section, company limited produces the water of 1kg mixing 16kg by the prosperous chemical industry in Chengdu), solve the moisture absorption and waterproof problem, guarantee the quality of energy-saving and heat-insulating material.At this point building heat preservation is done in the district, and insulation layer thickness is about 2CM, after the base of thermal insulation mortar is scraped in construction process, drying step finishes, needs to continue the waterproof mortar that base be scraped 0.3-0.4CM thickness at skin.Can or whitewash waterproof paint at its surperficial sticking brick after the waterproof mortar drying, guarantee that lagging material is not subjected to moisture effect and reduces performance, meets real heat preservation energy-saving standard.
Description of drawings
Fig. 1 acidify magaldrate lattice body crystalline phase figure.
The construction synoptic diagram of Fig. 2 lagging material of the present invention.
Embodiment
Further describe the present invention by the following examples, it should be understood that these embodiment only are used for the purpose of illustration, never limit the scope of the invention.
Embodiment 1
Take by weighing each component (unit: kg): acidify magaldrate lagging material additive 35 (trade name of producing available from Shanghai Yu Chen Technology Co., Ltd is " two weighing apparatus " board lagging material), closed-cell expanded perlite 61.5, granules of polystyrene 3.5 (preparation method of granules of polystyrene: the useless styrofoam that will reclaim is pulverized the back and crossed 60～80 mesh sieves promptly) by following weight; Above-mentioned each component is mixed, stir promptly.
When carrying out the building heat preserving construction, (this waterproof liquid is formulated according to 16: 1 part by weight by water and water-resisting agent with prepared lagging material and 120kg waterproof liquid, wherein water-resisting agent is available from the prosperous chemical industry in Chengdu company limited, trade name is " KL-205 section happy " high-effect water-proof agent) mix after, stir, carry out the construction wall heat preservation construction according to ordinary method again.
Embodiment 2
Take by weighing each component (unit: kg): acidify magaldrate lagging material additive 39 (trade name of producing available from Shanghai Yu Chen Technology Co., Ltd is " two weighing apparatus " board lagging material), perforate pearlstone 58.5, granules of polystyrene 2.5 (preparation method of granules of polystyrene: the useless styrofoam that will reclaim is pulverized the back and crossed 60～80 mesh sieves promptly) by following weight; Above-mentioned each component is mixed, stir promptly.
When carrying out the building heat preserving construction, (this waterproof liquid is formulated according to 16: 1 part by weight by water and water-resisting agent with prepared lagging material and 100kg waterproof liquid, wherein water-resisting agent is available from the prosperous chemical industry in Chengdu company limited, trade name is " KL-205 section happy " high-effect water-proof agent) mix after, stir, carry out the construction wall heat preservation construction according to ordinary method again.
Embodiment 3
Take by weighing each component (unit: kg): acidify magaldrate lagging material additive 45 (trade name of producing available from Shanghai Yu Chen Technology Co., Ltd is " two weighing apparatus " board lagging material), closed-cell expanded perlite 53.5, granules of polystyrene 1.5 (preparation method of granules of polystyrene: the useless styrofoam that will reclaim is pulverized the back and crossed 60～80 mesh sieves promptly) by following weight; Above-mentioned each component is mixed, stir promptly.
When carrying out the building heat preserving construction, (this waterproof liquid is formulated according to 16: 1 part by weight by water and water-resisting agent with prepared lagging material and 120kg waterproof liquid, wherein water-resisting agent is available from the prosperous chemical industry in Chengdu company limited, trade name is " KL-205 section happy " high-effect water-proof agent) mix after, stir, carry out the construction wall heat preservation construction according to ordinary method again.
Test the every Performance Detection of routine lagging material of the present invention
1. the prepared lagging material of detected object: embodiment 1,2 and 3.
2. detection method: according to the industry standard detection method performances such as the thermal conductivity of lagging material, tensile strength, weathering resistance, Wind-Pressure Resistance value, resistance to impact shock are detected respectively, detected result sees Table 1.
3. detected result
The every performance test results of table 1 lagging material of the present invention
| Sequence number | Interventions Requested | Test value | Individual event is judged |
| 1 | Weathering resistance | Do not occur cracking, hollowing after the circulation and come off.The stretching bonding strength of cracking resistance protective layer and insulation is 0.13MPa, and brokenization interface is positioned at thermal insulation layer | Qualified |
| 2 | Water regain (immersion 1h) | 638g/m 2 | Qualified |
| 3 | Resistance to impact shock | 10J | Qualified |
| 4 | The Wind-Pressure Resistance value | 7.7KPa | Qualified |
| 5 | Freeze-thaw-(30 times) | The surface flawless, hollowing, bubble, peel off phenomenon | Qualified |
| 6 | The water vapour flow density that wets | 1.83g/m 2H | Qualified |
| 7 | Watertightness | The inboard anhydrous infiltration of sample protective layer | Qualified |
| 8 | Wear-resistant 500L sand | Do not have cracking, damage was once peeled off in be full of cracks or surface protection | Qualified |
| 9 | System's tensile strength (C type) | 0.13MPa protective layer destroys | Qualified |
| 10 | Thermal conductivity w/mk | 0.048 | Qualified |
Detected result shows that lagging material of the present invention has excellent heat-insulating property, and all other performance demands also meet the relevant requirements of country to material of construction fully.
Claims (7)
1. a skin lagging material is made up of the component of following weight part: pearlstone 55-65 part, granules of polystyrene 1.5-3.5 part and acidify magaldrate lagging material additive 35-45 part; Described acidify magaldrate lagging material additive prepares in accordance with the following methods: take by weighing each component by following weight percent: acidify magaldrate pulvis 52-54%, acidify magaldrate lattice body 25-35%, ultra micro building materials efficient additive 8-12% and vegetable fibre 6-8%; Above each component is mixed uniformly, promptly; Described ultra micro building materials efficient additive comprises modified-cellulose 40-60 weight part, water-ground limestone 20-30 weight part, the vegetable-protein glue of material 20-30 weight part and 2-8 weight part, wherein, described modified-cellulose is selected from methyl cellulose ether, the hydroxyethyl ether Mierocrystalline cellulose, ethyl cellulose, Natvosol, carboxymethyl cellulose, hydroxypropylcellulose or their mixture; Described material is selected from silicon-dioxide, silicate, is the mineral of main component or their mixture with silicate; Described acidify magaldrate pulvis prepares by following preparation method: will contain the magnesium rate and reach magnesium oxide ore more than 85% and throw and to soak in strong acid solution, and carry out sintering after the acidifying, make pulvis and be the acidify magaldrate pulvis; Described strong acid solution is made up of according to 5: 95 volume ratio strength sulfuric acid and water; The preparation method of described acidify magaldrate lattice body is as follows: will contain the magnesium rate and reach 75% above magnesium oxide ore and throw and soak in strong acid solution, and carry out crystallization by 180 ℃ of reactors after the acidifying, and produce acidify magaldrate lattice body; Described strong acid solution is made up of according to 35: 65 volume ratio strength sulfuric acid and water.
2. according to the lagging material of claim 1, it is characterized in that the weight part of each component is: 58.5 parts of pearlstones, 2.5 parts of granules of polystyrene, 39 parts of acidify magaldrate lagging material additives.
3. according to the lagging material of claim 1, it is characterized in that described pearlstone is perforate pearlstone or closed-cell expanded perlite.
4. according to the lagging material of claim 1, it is characterized in that the preparation method of described granules of polystyrene is as follows: the useless styrofoam that will reclaim is pulverized the back and is crossed 60～80 mesh sieves, promptly.
5. according to the lagging material of claim 1, it is characterized in that the weight percent of described each component of acidify magaldrate lagging material additive is: acidify magaldrate pulvis 54%, acidify magaldrate lattice body 30%, ultra micro building materials efficient additive 10%, vegetable fibre 6%.
6. method for preparing claim 1 skin lagging material, step is as follows: take by weighing component by following weight part: acidify magaldrate lagging material additive 35-45 part, pearlstone 55-65 part and granules of polystyrene 1.5-3.5 part; After above-mentioned each component mixing, stir promptly.
7. the application of claim 1 skin lagging material comprises: after described lagging material and the 1-1.2 aqueous solution that is dissolved with water-resisting agent is doubly stirred, carry out heat preservation construction as the lagging material of skin according to ordinary method.
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| CNB2006100873709A CN100478300C (en) | 2006-06-12 | 2006-06-12 | Prepn process of three-in-one heat insulating material for outer wall |
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| CNB2006100873709A CN100478300C (en) | 2006-06-12 | 2006-06-12 | Prepn process of three-in-one heat insulating material for outer wall |
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| CN100478300C true CN100478300C (en) | 2009-04-15 |
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