CN102733495B - Waterproof and insulating structure for curtain wall and manufacturing method for waterproof and insulating structure - Google Patents

Waterproof and insulating structure for curtain wall and manufacturing method for waterproof and insulating structure Download PDF

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CN102733495B
CN102733495B CN201210200154.6A CN201210200154A CN102733495B CN 102733495 B CN102733495 B CN 102733495B CN 201210200154 A CN201210200154 A CN 201210200154A CN 102733495 B CN102733495 B CN 102733495B
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emulsion
cellucotton
waterproof
thermal insulation
curtain wall
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CN102733495A (en
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邓斌斌
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Beijing Haina LIAN energy Polytron Technologies Inc
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Beijing Haina Lianchuang Inorganic Fiber Spraying Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

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Abstract

The invention discloses a waterproof and insulating structure for a curtain wall. The waterproof and insulating structure is formed by mixing cellucotton which is subjected to waterproofing treatment by using organic silicon emulsion and adhesive of the cellucotton, and then directly spraying a mixture outside a wall body of the curtain wall, and is simple in structure and convenient to produce. The invention also discloses a manufacturing method for the waterproof and insulating structure. The method comprises the following steps of: performing waterproofing treatment on the cellucotton, spraying the cellucotton and the adhesive of the cellucotton out by respective pipelines, mixing in space from a sprayer to the wall body to ensure that the adhesive is uniformly coated on the surface of the cellucotton, and automatically adhering the cellucotton onto the wall body when reaching the wall body to form the waterproof and insulating structure. By the method, the insulating construction process of the wall body of a curtain wall structure is simplified, the manufacturing cost and time of engineering can be reduced greatly, and the defect that the adhesive is not coated uniformly, so that an insulation layer drops in the prior art can be avoided.

Description

A kind of curtain wall waterproof and thermal insulation structure and preparation method thereof
Technical field
The present invention relates to a kind of exterior wall insulated structure, be particularly provided with the exterior wall insulated structure of curtain wall.
Background technology
Be ZL201020262165.3 in the patent No., name is called and in the Chinese patent of fireproof heat insulating curtain wall, discloses a kind of curtain wall insulation construction generally using at present.The insulation construction layer of this curtain wall is by linkage interface layer, fiber coating layer (insulation construction) and three layers of formation of waterproofing mortar layer, though this structure can be incubated body of wall, and has fire prevention, water-proof function, and this insulation construction exists following shortcoming:
1, insulation construction layer needs three times constructions by linkage interface layer, fiber coating layer (insulation construction) and waterproofing mortar layer, and complexity, takes a lot of work, and cost is high.
2, the waterproofing mortar layer that plays waterproof action damages of easily being collided with in the time of construction, and waterproofing mortar layer is easy to crack under extraneous variations in temperature condition, if damaged or cracking, insulation construction water suction or make moist after can reduction even lose heat-insulating property.
3, waterproofing mortar work progress is seriously polluted.
Summary of the invention
In order to solve the existing problem of prior art, the present invention discloses a kind of curtain wall waterproof and thermal insulation structure, and this structure is made up of the waterproof fiber vinylon and cotton blend of the body of wall that is directly bonded in curtain wall by cementing agent, realizes insulation, waterproof and fire-proof function with one deck structure simultaneously.Save the linkage interface layer in curtain wall insulation construction and waterproofing mortar layer in prior art, simplified curtain wall insulation construction and making step thereof, and effectively avoided the existing shortcoming of insulation construction in prior art.In addition, the invention also discloses the preparation method of above-mentioned curtain wall insulation construction.
For achieving the above object, a kind of curtain wall waterproof and thermal insulation structure of the present invention, this insulation construction is arranged on the described wall outer side that curtain wall is set, by making through the cellucotton of organic silicon emulsion waterproofing work; Described organic silicon emulsion accounts for the 0.1%-1%(weight of cellucotton).
Further, described insulation construction thickness is not less than 10 millimeters.
Further, described cellucotton is mineral wool, rock wool, glass wool, aluminium silicate wool or ceramic wool.
Further, described macromolecule water-proof binding emulsion is mixed by polymer bonding emulsion and organic silicon emulsion.
Further, the 5%-30%(weight that described cementing agent usage ratio is described cellucotton).
The composition of the macromolecule water-proof binding emulsion that further, polymer bonding emulsion and organic silicon emulsion mix is: water, 30~90%(weight) polymer bonding emulsion and 5~35%(weight) organic silicon emulsion.
Further, described polymer bonding emulsion be vinyl acetate homopolymers emulsion, vinyl acetate Copolymer emulsion, pure acrylate copolymer emulsion, emulsion with acrylic ester copolymer: as one or more in benzene emulsion, Silicone acrylic emulsion etc., chlorine partial emulsion, styrene-butadiene emulsion, acrylic emulsion and vinyl acetate-ethylene copolymerization emulsions (VAE).
Further, described acrylate copolymer emulsion is benzene emulsion or Silicone acrylic emulsion.
Further, described organic silicon emulsion is for to mix with 40-80 gram of water, 50-70 gram sodium methyl silicate, 5-15 gram acrylate, 1-4 gram dispersing agent and 0.1-1 gram of neopelex.
Further, described body of wall is concrete, brick wall, various building block, cement board or steel body of wall.
Above-mentioned curtain wall waterproof and thermal insulation structure preparation method comprises the following steps:
1), cellucotton waterproofing work: cellucotton is evenly mixed with organic silicon emulsion, then cellucotton is dried;
2), configuration cementing agent: by water, 30-90%(weight) polymer bonding emulsion and 5~35%(weight) organic silicon emulsion evenly mixes;
3), spraying: will be sprayed on outer wall body through the cementing agent of configuration in step 1 described cellucotton after treatment and step 2 simultaneously, form waterproof and thermal insulation structure.
Further, described step 1 is specially: the organic silicon emulsion dilute solution immersion treatment to described cellucotton by 1~10% (weight), after processing is used cellucotton oven dry or natural drying method to make it dry.
Further, described step 1 is specially: to 5%-50% (weight) organic silicon emulsion dilute solution atomizing spray processing for described cellucotton, after processing, cellucotton is used oven dry or natural drying method to make it dry.
Further, described polymer bonding emulsion be vinyl acetate homopolymers emulsion, vinyl acetate Copolymer emulsion, pure acrylate copolymer emulsion, emulsion with acrylic ester copolymer: as benzene emulsion, Silicone acrylic emulsion etc., chlorine partial emulsion, styrene-butadiene emulsion, acrylic emulsion, vinyl acetate-ethylene copolymerization emulsions (VAE).
Further, the emulsion of described acrylic ester copolymer is as benzene emulsion or Silicone acrylic emulsion etc.
Further, the compound method of described organic silicon emulsion: described organic silicon emulsion is take 40-80 gram of water, 50-70 gram sodium methyl silicate, 5-15 gram acrylate, 1-4 gram dispersing agent and 0.1-1 gram of neopelex as raw material, mix and blend in agitator, mixing speed is 300~500 revs/min.The mixing speed of synthesis phase is 250 revs/min, 65 ° of C of reaction temperature, 2 hours reaction time.
Further, the described cementing agent in described step 3 and described cellucotton are respectively by pipeline ejection separately, and described cementing agent is vaporific ejection and aloft evenly mixes with described cellucotton, is coated on uniformly outside cellucotton.
Further, be describedly sleeved on the outside for spraying described cellucotton pipeline for spraying the pipeline of cementing agent.
Curtain wall waterproof and thermal insulation structure disclosed by the invention, only comprises that one deck is by using the cellucotton that carries out in advance waterproofing work, simple in structure easy to make.Curtain wall waterproof and thermal insulation structure of the present invention has following advantages:
1, curtain wall waterproof and thermal insulation structure of the present invention only can be realized insulation, fire prevention and three kinds of functions of waterproof by one deck structure simultaneously;
2, curtain wall waterproof and thermal insulation structure of the present invention, its water-proof function is integral waterproofing, rather than the waterproof type that waterproofing course is set on insulation construction surface of the prior art, even if collided with after destruction in the surface of curtain wall insulation construction of the present invention, still there is good water-proof function;
3, waterproof and thermal insulation structure layer of the present invention is integral waterproofing, so avoided the water layer of setting up defences again separately in the inner side of insulation construction and outside, has simplified operation, has saved material, has reduced cost;
4, curtain wall waterproof and thermal insulation structure of the present invention is applicable to the body of wall of the various materials such as concrete, brick wall, various building block, cement board, steel;
5, on the body of wall that curtain wall construction is set, spray after waterproof and thermal insulation structure of the present invention, can directly carry out wall body decoration outward at waterproof and thermal insulation structure.
The invention also discloses the preparation method of above-mentioned waterproof and thermal insulation structure, first the method carries out waterproofing work by cellucotton, and cellucotton and its cementing agent are passed through respectively to pipeline ejection separately, and mixed to the space uniform body of wall by shower nozzle, be the surface that cementing agent is coated on cellucotton uniformly, and automatic adhesive form waterproof and thermal insulation structure on body of wall in the time that cellucotton arrives body of wall.The method is extremely simple and direct, has simplified the wall thermal insulating working procedure of curtain wall construction, has significantly reduced construction costs and time; And the drawbacks such as adhesive coated insulation layer uneven and that cause comes off are avoided in prior art.
Accompanying drawing explanation
Fig. 1 curtain wall waterproof and thermal insulation structure of the present invention schematic diagram.
The specific embodiment
Waterproof and thermal insulation structure of the present invention is served as reasons and is made through the cellucotton of organic silicon emulsion waterproofing work; Cellucotton is the dry cellucotton with waterproof, fire-proof function that forms after emulsion infiltrates.Cellucotton can be mineral wool, rock wool, glass wool, aluminium silicate wool or ceramic wool, and the silicone content in the cellucotton after waterproofing work is 0.1%-1%(weight).The cementing agent that waterproof and thermal insulation structure adopts is the macromolecule water-proof binding emulsion that polymer bonding emulsion and organic silicon emulsion mix; Ratio between cellucotton and cementing agent is 5%-30%.And cementing agent is evenly distributed on the external surface of cellucotton, make between cellucotton, better bonding between cellucotton and body of wall, difficult drop-off.Macromolecule water-proof binding emulsion is that polymer bonding emulsion and organic silicon emulsion mix, and its concrete composition is: 0~90%(weight) polymer bonding emulsion, 5~35%(weight) organic silicon emulsion, surplus is water and dispersing agent.Polymer bonding emulsion in macromolecule water-proof binding emulsion can be vinyl acetate homopolymers emulsion, vinyl acetate Copolymer emulsion, pure acrylate copolymer emulsion, emulsion with acrylic ester copolymer: as one or more in benzene emulsion, Silicone acrylic emulsion etc., chlorine partial emulsion, styrene-butadiene emulsion, acrylic emulsion or vinyl acetate-ethylene copolymerization emulsions (VAE).Organic silicon emulsion is with 40-80 gram of water, 50-70 gram sodium methyl silicate, 5-15 gram acrylate, 1-4 gram dispersing agent and the 0.1-1 gram of emulsion that neopelex mixes.The dispersing agent using in above-mentioned each formula is organic dispersing agent, for example: polyacrylamide organic dispersing agent, OP101 dispersing agent or KV1402 etc.
As shown in Figure 1, curtain wall waterproof and thermal insulation structure 2 of the present invention is set directly at the outside of the body of wall 1 that is provided with curtain wall.Curtain wall body of wall 1 can be concrete, brick wall, various building block, cement board or steel body of wall.In order to guarantee heat insulation effect, the thickness of waterproof and thermal insulation structure 2 should be not less than 10 millimeters.Use the curtain wall construction of curtain wall waterproof and thermal insulation structure disclosed in this invention to comprise body of wall 1, waterproof and thermal insulation structure 2, be arranged on waterproof and thermal insulation structure 2 outsides, and be fixed on the centre keel 3 on body of wall 1 by centre keel fixture 6, be arranged on the horizontal keel 5 on centre keel 3, be arranged on the curtain wall 4 on horizontal keel by connector.As can be seen from Figure 1, the application of the invention curtain wall waterproof and thermal insulation structure, only arranges one deck waterproof and thermal insulation structure and realizes waterproof, fire prevention and insulation triple functions.
The method of making above-mentioned curtain wall waterproof and thermal insulation structure comprises the following steps:
1, cellucotton waterproofing work: cellucotton is evenly mixed with organic silicon emulsion dilute solution, and cellucotton can be selected mineral wool, rock wool, glass wool, aluminium silicate wool or ceramic wool; Then cellucotton is dried, comprises 0.1%-1%(weight in cellucotton after dry) organosilicon.The mixed uniformly mode of cellucotton and organic silicon emulsion is preferably: by 1~10% organic silicon emulsion dilute solution immersion treatment, or with 5%-50% organic silicon emulsion dilute solution atomizing spray processing, cellucotton after above-mentioned processing, dry or natural drying method dry.
2, configuration cementing agent, cementing agent is the macromolecule water-proof binding emulsion being mixed by polymer bonding emulsion and organic silicon emulsion.Polymer bonding emulsion in formula can adopt one or more in following material: vinyl acetate homopolymers emulsion, vinyl acetate Copolymer emulsion, pure acrylate copolymer emulsion, with the emulsion of acrylic ester copolymer: as benzene emulsion, Silicone acrylic emulsion etc., chlorine partial emulsion, styrene-butadiene emulsion, acrylic emulsion, vinyl acetate-ethylene copolymerization emulsions (VAE) etc.Compound method: by water and 1~5%(weight) dispersant evenly after, add 30~90%(weight) polymer bonding emulsion and 5~35%(weight) organic silicon emulsion, mix;
3, spraying: by the cementing agent through configuration in step 1 cellucotton after treatment and step 2, use different pipelines to be sprayed on body of wall simultaneously, form curtain wall waterproof and thermal insulation structure.Insulation construction thickness is not less than 10 millimeters.Ratio between cellucotton and cementing agent is 5%-30%.
The collocation method of the organic silicon emulsion using in step 1,2 is: take 40-80 gram of water, 50-70 gram sodium methyl silicate, 5-15 gram acrylate, 1-4 gram dispersing agent, 0.1-1 gram neopelex as raw material, mix and blend in agitator, mixing speed is 300~500 revs/min.The mixing speed of synthesis phase is 200-300 rev/min, 65 ° of C of reaction temperature, 2 hours reaction time.
embodiment 1:
1, cellucotton waterproofing work: cellucotton is carried out to immersion treatment with 1% organic silicon emulsion dilute solution, then cellucotton after treatment is adopted and dry, dry or the mode such as natural drying is dried, dry after, in cellucotton, silicone content is 1%.The compound method of organic silicon emulsion: take 60 grams of water, 58 grams of sodium methyl silicates, 12 grams of acrylates, 2 grams of dispersing agents, 0.3 gram of neopelex as raw material, mix and blend in agitator, mixing speed is 300~500 revs/min.The mixing speed of synthesis phase is 250 revs/min, 65 ℃ of reaction temperatures, 2 hours reaction time.
2, configuration cementing agent, stirs water and 5% dispersant after 20 minutes, then by the organic silicon emulsion mix and blend of 45% acrylic emulsion, 20%VAE emulsion and 5% 30 minutes, elimination impurity.
3, spraying: by the cementing agent through configuration in step 1 cellucotton after treatment and step 2, use different pipelines to be sprayed on body of wall simultaneously, form curtain wall waterproof and thermal insulation structure 2.
embodiment 2
1, cellucotton waterproofing work: by 10% organic silicon emulsion dilute solution immersion treatment, modes such as then cellucotton employing after treatment being dried, dried or be natural drying is dried, and after being dried, in cellucotton, silicone content is 0.1%.The compound method of organic silicon emulsion: take 40 grams of water, 50 grams of sodium methyl silicates, 5-gram acrylate, 1 gram of dispersing agent, 0.1 gram of neopelex as raw material, mix and blend in agitator, mixing speed is 300~500 revs/min.The mixing speed of synthesis phase is 200 revs/min, 65 ° of C of reaction temperature, 2 hours reaction time.
2, configuration cementing agent, stirs water, 1%KV1402 dispersant after 15 minutes, then by the organic silicon emulsion mix and blend of 10 acrylic emulsions, 50%VAE emulsion and 35% 20 minutes, elimination impurity.
3, spraying: by the cementing agent through configuration in step 1 cellucotton after treatment and step 2, use different pipelines to be sprayed on body of wall simultaneously, form curtain wall waterproof and thermal insulation structure.
embodiment 3
1, cellucotton waterproofing work: with 5% organic silicon emulsion dilute solution atomizing spray processing, modes such as then cellucotton employing after treatment being dried, dried or be natural drying is dried, and after being dried, in cellucotton, silicone content is 0.2%.The compound method of organic silicon emulsion: take 80 grams of water, 70 grams of sodium methyl silicates, 15 grams of acrylates, 4 grams of dispersing agents, 1 gram of neopelex as raw material, mix and blend in agitator, mixing speed is 300~500 revs/min.The mixing speed of synthesis phase is 300 revs/min, 65 ° of C of reaction temperature, 2 hours reaction time.
2, configuration cementing agent, stirs water and 3% dispersant after 25 minutes, then by the organic silicon emulsion mix and blend of 25% acrylic emulsion, 30%VAE emulsion and 20% 30 minutes, elimination impurity.
3, spraying: by the cementing agent through configuration in step 1 cellucotton after treatment and step 2, use different pipelines to be sprayed on body of wall simultaneously, form curtain wall waterproof and thermal insulation structure 2.
embodiment 4
1, cellucotton waterproofing work: with 50% organic silicon emulsion dilute solution atomizing spray processing, modes such as then cellucotton employing after treatment being dried, dried or be natural drying is dried, and after being dried, in cellucotton, silicone content is 0.4%.The compound method of organic silicon emulsion: take 55 grams of water, 58 grams of sodium methyl silicates, 7 grams of acrylates, 0.4 gram of dispersing agent, 0.1 gram of neopelex as raw material, mix and blend in agitator, mixing speed is 400 revs/min.The mixing speed of synthesis phase is 250 revs/min, 65 ° of C of reaction temperature, 2 hours reaction time.
2, configuration cementing agent, the production technology of fiber coating cementing agent: water and 4% dispersant were stirred after 10 minutes, then by the organic silicon emulsion mix and blend of 45% vinyl acetate homopolymers emulsion and 30% 30 minutes, elimination impurity.
3, spraying: by the cementing agent through configuration in step 1 cellucotton after treatment and step 2, use different pipelines to be sprayed on body of wall simultaneously, form curtain wall waterproof and thermal insulation structure.
embodiment 5
1, cellucotton waterproofing work: with 30% organic silicon emulsion dilute solution atomizing spray processing, modes such as then cellucotton employing after treatment being dried, dried or be natural drying is dried, and after being dried, in cellucotton, silicone content is 0.6%.The compound method of organic silicon emulsion: take 75 grams of water, 70 grams of sodium methyl silicates, 7 grams of acrylates, 0.7 gram of dispersing agent, 0.06 gram of neopelex as raw material, mix and blend in agitator, mixing speed is 350 revs/min.The mixing speed of synthesis phase is 270 revs/min, 65 ° of C of reaction temperature, 2 hours reaction time.
2, configuration cementing agent, the production technology of fiber coating cementing agent: water and 2% dispersant were stirred after 10 minutes, then by the organic silicon emulsion mix and blend of 27% pure acrylate copolymer emulsion and 15% 30 minutes, elimination impurity.
3, spraying: by the cementing agent through configuration in step 1 cellucotton after treatment and step 2, use different pipelines to be sprayed on body of wall simultaneously, form curtain wall waterproof and thermal insulation structure.
Need to further illustrate, for cellucotton and cementing agent are better mixed, cementing agent is preferably vaporific and is sprayed by ejection pipeline, and cementing agent and cellucotton are evenly being mixed in the space traveling process body of wall by ejection pipeline ejiction opening.In the time arriving body of wall, cementing agent is distributed on cellucotton surface.For cementing agent and cellucotton are better mixed, cementing agent can be sprayed to pipeline and evenly be arranged on cellucotton ejection pipeline around, for example, cementing agent pipeline is sleeved on outside cellucotton pipeline, inner tube is for the ejection of cellucotton, and the pipeline between inner and outer pipes is used for jet binder etc.

Claims (9)

1. a curtain wall waterproof and thermal insulation structure, is characterized in that, described waterproof and thermal insulation structure is arranged on the wall outer side that curtain wall is set, by making through the cellucotton of organic silicon emulsion waterproofing work; Described organic silicon emulsion accounts for the 0.1%-1%(weight of cellucotton); Described waterproof and thermal insulation structure pastes on described body of wall by macromolecule water-proof binding emulsion; Described organic silicon emulsion is for to mix with 40-80 gram of water, 50-70 gram sodium methyl silicate, 5-15 gram acrylate, 1-4 gram dispersing agent and 0.1-1 gram of neopelex.
2. according to the waterproof and thermal insulation structure of curtain wall described in claim 1, it is characterized in that, described waterproof and thermal insulation structure thickness is not less than 10 millimeters.
3. according to the waterproof and thermal insulation structure of curtain wall described in claim 1, it is characterized in that, cellucotton is mineral wool, rock wool, glass wool, aluminium silicate wool or ceramic wool.
4. according to the waterproof and thermal insulation structure of curtain wall described in claim 1, it is characterized in that, described macromolecule water-proof binding emulsion is mixed by polymer bonding emulsion and organic silicon emulsion.
5. according to the waterproof and thermal insulation structure of curtain wall described in claim 4, it is characterized in that the 5%-30%(weight that described macromolecule water-proof binding emulsion usage ratio is described cellucotton).
6. according to the waterproof and thermal insulation structure of curtain wall described in claim 4, it is characterized in that, the composition of the macromolecule water-proof binding emulsion that polymer bonding emulsion and organic silicon emulsion mix is: water, 30~90%(weight) polymer bonding emulsion and 5~35%(weight) organic silicon emulsion.
7. according to the waterproof and thermal insulation structure of curtain wall described in claim 4, it is characterized in that, described polymer bonding emulsion be vinyl acetate homopolymers emulsion, vinyl acetate Copolymer emulsion, pure acrylate copolymer emulsion, with the emulsion of acrylic ester copolymer in one or more.
8. a preparation method for curtain wall waterproof and thermal insulation structure in claim 1-7, is characterized in that, described preparation method comprises the following steps:
1), cellucotton waterproofing work: cellucotton is evenly mixed with organic silicon emulsion, then cellucotton is dried;
2), configuration cementing agent, by water, 30-90%(weight) polymer bonding emulsion and 5~35%(weight) organic silicon emulsion evenly mixes:
3), spraying: will be sprayed on body of wall through the cementing agent of configuration in step 1 described cellucotton after treatment and step 2 simultaneously, form waterproof and thermal insulation structure.
9. curtain wall waterproof and thermal insulation structure preparation method according to claim 8, is characterized in that, in described step 3, cementing agent is vaporific ejection by pipeline, and evenly mixes with described cellucotton aloft.
CN201210200154.6A 2012-06-18 2012-06-18 Waterproof and insulating structure for curtain wall and manufacturing method for waterproof and insulating structure Active CN102733495B (en)

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CN103835361A (en) * 2014-02-28 2014-06-04 中天建设集团有限公司 '7'-shaped structure self-waterproof apron design and construction method
CN104327616B (en) * 2014-11-11 2017-01-25 河北晨阳工贸集团有限公司 Glass-wool inorganic heat-insulating coating
CN106630855B (en) * 2016-12-30 2019-03-08 淄博庆颖建材科技有限公司 Polymer-modified cement-based anti-corrosion protective agent, preparation method and its application method
CN108643369A (en) * 2018-04-26 2018-10-12 江苏尼高科技有限公司 Flexible waterproof sheet is modified vertical hair rock cotton board and its manufacture craft
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CN101413332A (en) * 2008-09-05 2009-04-22 武汉科华高新材料发展有限公司 Fire-proof type exterior wall composite thermal insulation decorative board and manufacture method thereof
CN201679122U (en) * 2009-12-15 2010-12-22 中建五局建筑装饰有限公司 Novel curtain wall structure
CN202248333U (en) * 2011-08-16 2012-05-30 乔金栋 Double-film composite mineral wool insulation board for curtain wall

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CN201679122U (en) * 2009-12-15 2010-12-22 中建五局建筑装饰有限公司 Novel curtain wall structure
CN202248333U (en) * 2011-08-16 2012-05-30 乔金栋 Double-film composite mineral wool insulation board for curtain wall

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