CN103435318B - Insulation board for external wall of building - Google Patents
Insulation board for external wall of building Download PDFInfo
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- CN103435318B CN103435318B CN201310368825.4A CN201310368825A CN103435318B CN 103435318 B CN103435318 B CN 103435318B CN 201310368825 A CN201310368825 A CN 201310368825A CN 103435318 B CN103435318 B CN 103435318B
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- exterior wall
- wall heat
- heat preserving
- building exterior
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- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000010440 gypsum Substances 0.000 claims abstract description 10
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 8
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims abstract description 6
- 235000009566 rice Nutrition 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 6
- 239000010902 straw Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 239000000839 emulsion Substances 0.000 claims abstract description 4
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound 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 abstract description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims description 14
- 235000019738 Limestone Nutrition 0.000 claims description 7
- 239000010881 fly ash Substances 0.000 claims description 7
- 239000006028 limestone Substances 0.000 claims description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 239000011505 plaster Substances 0.000 claims description 6
- 241000209094 Oryza Species 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 4
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 239000004811 fluoropolymer Substances 0.000 claims description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- ZBELDPMWYXDLNY-UHFFFAOYSA-N methyl 9-(4-bromo-2-fluoroanilino)-[1,3]thiazolo[5,4-f]quinazoline-2-carboximidate Chemical group C12=C3SC(C(=N)OC)=NC3=CC=C2N=CN=C1NC1=CC=C(Br)C=C1F ZBELDPMWYXDLNY-UHFFFAOYSA-N 0.000 claims description 3
- 229940068984 polyvinyl alcohol Drugs 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 abstract 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 abstract 1
- 238000006477 desulfuration reaction Methods 0.000 abstract 1
- 230000023556 desulfurization Effects 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 239000002952 polymeric resin Substances 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 10
- 239000004567 concrete Substances 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- -1 sodium alkyl sulfonate Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses an insulation board for an external wall of a building. The insulation board is prepared by mixing a binding material, insulating lightweight aggregate and a modified additive according to a weight ratio of (30-50):(40-55):11, wherein the binding material is prepared from the following components in parts by weight: 5-10 parts of cement, 8-16 parts of coal ash, 15-28 parts of calcined desulfurization gypsum, 2-8 parts of lime powder, 2-9 parts of superfine slag powder and 1-8 parts of high-strength gypsum. The insulating lightweight aggregate is prepared from the following components in parts by weight: 30-56 parts of glass beads and 2-8 parts of rice hull powder or straw powder. The modified additive is prepared from the following components in parts by weight: 16 parts of a tripolycyanamide resin water reducer, 4 parts of an air entraining agent, 2 parts of methyl cellulose ether, 6 parts of sodium methylsilicate, 15 parts of polymer resin rubber powder, 12 parts of acrylate emulsion, 16 parts of polyvinyl alcohol liquor and 68 parts of inorganic salt compounds. The toughness, viscosity and water-resistance of the insulation board are enhanced, the performance of a composite material is optimized, and the utilization ratio of renewable resources is high, and the cost is low.
Description
Technical field
The present invention relates to building material technical field, especially a kind of building exterior wall heat preserving plate.
Background technology
Building energy conservation is the important step of China's energy conservation, various in style for external wall heat insulating material for external, organic and/or inorganic materials, organic material, composite etc.; That makes isothermal holding for beam, post, shear wall and non-self heat-insulation masonry material body of wall is sheet material or mortar class insulation material, and national associated construction code is: 1, base treatment; 2, ash cake, floating screed is done; 3, boundary mortar construction; 4, bonding mortar sticking heat-preservation plate or whitewash thermal insulation mortar (thermal insulation mortar needs gradation to whitewash); 5, heat-insulation layer maintenance; 6, play frame bar and a point cell is installed; 7, bottom anticracking grout whitewashes; 8, galvanized electric welded mesh or alkaline-resisting grid cloth is entered; 9, plastic anchor bolt is installed; 10, surface layer anticracking grout whitewashes; 11, the operational procedure more than ten roads such as finish coat construction, must be rigid in checking up in way well construction, and the carelessness on any construction and quality of materials brings infinite hidden danger of quality by engineering.
At present, architectural engineering has employing external mold built-in hard-foam polyurethane plate and external mold built-in molding polyphenyl plate cast-in-place concrete exterior wall outer heat preservation system to carry out the construction of beam, post and shear wall part external wall outer insulation, sheet material must adopt alkaline-resisting grid cloth or steel wire net rack to strengthen, and processing technology is complicated, involves great expense.Bar connecting in sheet material and concrete must be fixed during construction, complicated construction technique, and cross after 20 ~ 25 year service life, this system one be pollute, two be cannot secondary construction.
When adopting organic heat-insulating sheet material and mortar to do exterior wall heat-preserving system, most engineering presses code requirement must place fire-blocking belt at many levels, and fire-blocking belt is all boundary with floor, and arrange with beam, material must be A level fire-retardant heat-insulation material.A level fireproof heated board pressure-proof and snap-resistent intensity is in the market not high, quality is crisp, do inner formwork water muscle concrete smash shake time very easily broken.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of building exterior wall heat preserving plate, prevent fires, pressure-proof and snap-resistent intensity is high, thermal and insulating performance good and production and easy construction meet again energy saving standard requirement.
In order to realize foregoing invention object, the invention provides following technical scheme: a kind of building exterior wall heat preserving plate, gently collecting aggregate, property-modifying additive by Binder Materials, insulation is to mix at 30 ~ 50: 40 ~ 55: 11 by weight, wherein:
Described Binder Materials is made up of the component that weight portion is following: cement 5 ~ 10 parts, 8 ~ 16 parts, flyash, calcining desulfurated plaster 15 ~ 28 parts, pulverized limestone 2 ~ 8 parts, slag micropowder 2 ~ 9 parts, high strength gypsum 1 ~ 8 part;
Described insulation gently collects aggregate and is made up of the component that weight portion is following: glass bead 30 ~ 56 parts, powdered rice hulls or powder of straw 2 ~ 8 parts;
Described property-modifying additive is made up of the component that weight portion is following: melmac water reducer 16 parts, air entraining agent 4 parts, methyl cellulose ether 2 parts, sodium methyl silicate 6 parts, fluoropolymer resin rubber powder 15 parts, acrylic acid ester emulsion 12 parts, poly-vinyl alcohol solution 16 parts, inorganic salt compound 68 parts.
Further, described inorganic salt compound is one or more combinations in magnesium sulfate, sodium sulphate, ferric trichloride, ferrous sulfate.
Further, described Binder Materials each component by weight: cement 7 parts, 8 parts, flyash, calcining desulfurated plaster 15 parts, pulverized limestone 3 parts, slag micropowder 3.3 parts, high strength gypsum 1.2 parts.
Further, described insulation gently collects each component of aggregate by weight: glass bead 46.5 parts, powdered rice hulls or powder of straw 5 parts.
Further, described Binder Materials, insulation gently integrate aggregate, property-modifying additive weight ratio as 37.5:51:11.
Further, described cement is 42.5 grades of portland cements.
Further, described pulverized limestone particle diameter is 100 ~ 180 orders.
Further, the lateral parts of this warming plate convexes to form self-locking fastener.
Further, described self-locking fastener is provided with several, is evenly arranged on a side of this warming plate.
Compared with prior art, the present invention has the following advantages: property-modifying additive makes the silicon in Binder Materials, calcium ion fully reacts, make main gelatinization material gypsum and flyash modified, increase considerably its toughness, viscosity and water-resistance, and the rapid hardening characteristic of gypsum and flyash light weight, insulation and gypsum is uninfluenced, thus optimize the performance of composite, and renewable resource utilization rate is high, cheap.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional view of Fig. 1.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
A kind of building exterior wall heat preserving plate, gently collecting aggregate, property-modifying additive by Binder Materials, insulation is to mix at 30 ~ 50: 40 ~ 55: 11 by weight, wherein: Binder Materials is made up of the component that weight portion is following: cement 5 ~ 10 parts, 8 ~ 16 parts, flyash, calcining desulfurated plaster 15 ~ 28 parts, pulverized limestone 2 ~ 8 parts, slag micropowder 2 ~ 9 parts, high strength gypsum 1 ~ 8 part; Insulation light collection aggregate is made up of the component that weight portion is following: glass bead 30 ~ 56 parts, powdered rice hulls or powder of straw 2 ~ 8 parts; Property-modifying additive is made up of the component that weight portion is following: melmac water reducer 16 parts, air entraining agent (as sodium alkyl sulfonate, sodium alkyl benzene sulfonate) 4 parts, methyl cellulose ether 2 parts, sodium methyl silicate 6 parts, fluoropolymer resin rubber powder 15 parts, acrylic acid ester emulsion 12 parts, poly-vinyl alcohol solution 16 parts, inorganic salt compound 68 parts.Wherein, inorganic salt compound is one or more combinations in magnesium sulfate, sodium sulphate, ferric trichloride, ferrous sulfate.
The manufacture craft of above-mentioned building exterior wall heat preserving plate is:
First Binder Materials, insulation are gently collected aggregate and property-modifying additive, mix according to respective contained component and corresponding weight ratio, obtain Binder Materials respectively, be incubated light collection aggregate and property-modifying additive;
Again by described Binder Materials, insulation light collection aggregate and property-modifying additive mixes in pulp blender and water through within 3 ~ 5 minutes, to stir all with after, injection die for molding, completes form removal after initial set in 5 ~ 8 minutes, maintenance, obtains building exterior wall heat preserving plate.
The specific embodiment of building exterior wall heat preserving plate, as shown in the table, for desulfurated plaster, corresponding component, content make the fundamental performance parameter after finished product as following table:
Fire-protection rating is A level, and drying shrinkage is 0.6mm/m.
In the manufacturing process of the building exterior wall heat preserving plate of one of above-described embodiment, inject the mould of shape of product as shown in Figure 1, make a side upper part of the building exterior wall heat preserving plate 1 obtained protruding, form self-locking fastener 11; The thickness 25mm of this self-locking fastener is identical with reinforcing bar insulation layer thickness in concrete beam, post and shear wall, when branching standing template without the need to doing 25mm cushion block again, after building concrete, sheet material forms reliable connection with concrete homogeneity, self-fastening button embeds in concrete and closely cooperates, further enhancing connects increases external force resistance ability, never drop-off.Decrease operational procedure, save construction material.
Claims (9)
1. a building exterior wall heat preserving plate, gently collecting aggregate, property-modifying additive by Binder Materials, insulation is that 30 ~ 50: 40 ~ 55: 11 mixing are made by weight, wherein:
Described Binder Materials is made up of the component that weight portion is following: cement 5 ~ 10 parts, 8 ~ 16 parts, flyash, calcining desulfurated plaster 15 ~ 28 parts, pulverized limestone 2 ~ 8 parts, slag micropowder 2 ~ 9 parts, high strength gypsum 1 ~ 8 part;
Described insulation gently collects aggregate and is made up of the component that weight portion is following: glass bead 30 ~ 56 parts, powdered rice hulls or powder of straw 2 ~ 8 parts;
Described property-modifying additive is made up of the component that weight portion is following: melmac water reducer 16 parts, air entraining agent 4 parts, methyl cellulose ether 2 parts, sodium methyl silicate 6 parts, fluoropolymer resin rubber powder 15 parts, acrylic acid ester emulsion 12 parts, poly-vinyl alcohol solution 16 parts, inorganic salt compound 68 parts.
2. building exterior wall heat preserving plate as claimed in claim 1, is characterized in that: described inorganic salt compound is one or more combinations in magnesium sulfate, sodium sulphate, ferric trichloride, ferrous sulfate.
3. building exterior wall heat preserving plate as claimed in claim 1, is characterized in that: described Binder Materials each component by weight: cement 7 parts, 8 parts, flyash, calcining desulfurated plaster 15 parts, pulverized limestone 3 parts, slag micropowder 3.3 parts, high strength gypsum 1.2 parts.
4. building exterior wall heat preserving plate as claimed in claim 1, is characterized in that: described insulation gently collects each component of aggregate by weight: glass bead 46.5 parts, powdered rice hulls or powder of straw 5 parts.
5. building exterior wall heat preserving plate as described in any one of Claims 1-4, is characterized in that: described Binder Materials, insulation gently integrate aggregate, property-modifying additive weight ratio as 37.5:51:11.
6. building exterior wall heat preserving plate as claimed in claim 1, is characterized in that: described cement is 42.5 grades of portland cements.
7. building exterior wall heat preserving plate as claimed in claim 1, is characterized in that: described pulverized limestone particle diameter is 100 ~ 180 orders.
8. building exterior wall heat preserving plate as claimed in claim 1, is characterized in that: the lateral parts of this warming plate convexes to form self-locking fastener.
9. building exterior wall heat preserving plate as claimed in claim 8, is characterized in that: described self-locking fastener is provided with several, is evenly arranged on a side of this warming plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368825.4A CN103435318B (en) | 2013-08-22 | 2013-08-22 | Insulation board for external wall of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368825.4A CN103435318B (en) | 2013-08-22 | 2013-08-22 | Insulation board for external wall of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103435318A CN103435318A (en) | 2013-12-11 |
| CN103435318B true CN103435318B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310368825.4A Active CN103435318B (en) | 2013-08-22 | 2013-08-22 | Insulation board for external wall of building |
Country Status (1)
| Country | Link |
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| CN (1) | CN103435318B (en) |
Families Citing this family (19)
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| CN103922683A (en) * | 2014-03-12 | 2014-07-16 | 济南大学 | Energy-saving thermal insulation mortar for building exterior walls |
| CN104944867A (en) * | 2014-03-25 | 2015-09-30 | 李康妮 | Environment-friendly fiberboard and preparation method thereof |
| CN103979908A (en) * | 2014-04-15 | 2014-08-13 | 马鞍山豹龙新型建材有限公司 | High strength fireproof aerated brick and preparation method thereof |
| CN104193388B (en) * | 2014-07-31 | 2016-03-23 | 吴美文 | A kind of high tenacity aerated bricks and preparation method thereof |
| CN105731963A (en) * | 2016-01-29 | 2016-07-06 | 济南大学 | Fluorogypsum-base external wall thermal-insulation material and manufacturing method thereof |
| CN105967733A (en) * | 2016-03-29 | 2016-09-28 | 蚌埠华东石膏有限公司 | Cold-resistant insulation building gypsum powder and preparation method thereof |
| CN106116422B (en) * | 2016-06-28 | 2018-04-24 | 东南大学 | A kind of light hollow thermal insulation board and preparation method thereof |
| CN106320597A (en) * | 2016-08-25 | 2017-01-11 | 李宁 | Fabricated light heat insulation wallboard for buildings and preparing technology |
| CN107032726A (en) * | 2017-04-19 | 2017-08-11 | 毕俊岭 | One kind sterilization warming plate |
| CN106977227A (en) * | 2017-04-19 | 2017-07-25 | 毕俊岭 | A kind of construction material of sound-insulating and preparation method thereof |
| CN108911780A (en) * | 2017-08-29 | 2018-11-30 | 北京禾木之家科技发展有限公司 | A kind of preparation method of light composite board |
| CN107973549A (en) * | 2017-10-19 | 2018-05-01 | 四川欧迅能源工程科技有限公司 | A kind of lithium slag makes thermal insulation board process |
| CN107867812A (en) * | 2017-11-27 | 2018-04-03 | 倪修俊 | A kind of wheat stalk glass bead foaming insulation board and preparation method thereof |
| CN107935536A (en) * | 2017-12-22 | 2018-04-20 | 苏州萨瑟斯兰环境科技有限公司 | A kind of environment-friendly exterior wall thermal insulation material and preparation method thereof |
| CN108503385A (en) * | 2018-04-16 | 2018-09-07 | 柳州市柳晶科技股份有限公司 | A kind of heat preservation prepared using industrial slag, acoustic material and preparation method thereof |
| CN108821715A (en) * | 2018-06-07 | 2018-11-16 | 安徽臻烁新材料技术有限公司 | A kind of preparation method of impermeabilisation external wall insulation |
| CN110981346B (en) * | 2019-12-17 | 2021-10-12 | 郑州铁路职业技术学院 | High-temperature-resistant civil construction material with good heat preservation effect and preparation method thereof |
| CN111908880A (en) * | 2020-07-20 | 2020-11-10 | 同济大学 | Insulation board prepared from phosphogypsum-based hydraulic composite cementing material and preparation method thereof |
| CN114163100B (en) * | 2021-10-25 | 2023-10-20 | 神美科技有限公司 | Conditioning agent for domestic sludge dewatering and preparation method thereof |
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| Publication number | Publication date |
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| CN103435318A (en) | 2013-12-11 |
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