CN106630893A - Aerogel thermal-insulation board and preparation method thereof - Google Patents
Aerogel thermal-insulation board and preparation method thereof Download PDFInfo
- Publication number
- CN106630893A CN106630893A CN201611091968.5A CN201611091968A CN106630893A CN 106630893 A CN106630893 A CN 106630893A CN 201611091968 A CN201611091968 A CN 201611091968A CN 106630893 A CN106630893 A CN 106630893A
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- China
- Prior art keywords
- slurry
- aeroge
- membrane cavity
- insulating shield
- premix
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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
- C04B28/14—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 calcium sulfate 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0016—Granular materials, e.g. microballoons
- C04B20/002—Hollow or porous granular materials
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0048—Fibrous materials
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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)
- Building Environments (AREA)
Abstract
The invention relates to an aerogel thermal-insulation board which comprises the following raw materials in percentage by weight: 5-8% of aerogel powder, 0.5-1% of dispersing agent, 15-20% of adhesive, 10-15% of short fiber, 40-60% of gypsum powder and the balance of water. By using the physical characteristics of the aerogel and other materials, the prepared thermal-insulation board has the advantages of excellent thermal-insulation effect, favorable high-temperature resistance, favorable flame retardancy and environmental protection. The thermal-insulation board prepared by the preparation method also has the advantages of small size and small occupied space, and can not easily shed when being used as the base of walls and the like.
Description
Technical field
The invention belongs to the heat-insulated field of building heat preservation, specifically a kind of aeroge insulation heat-insulating shield and its preparation side
Method.
Background technology
The material that at present construction wall heat preservation and insulation field is used mainly includes inorganic rock wool, styrofoam and polyurethane sheet
Deng these materials take up room greatly, and not enough, high temperature is easy to fall off for fire resistance.
The content of the invention
It is an object of the invention to provide a kind of gas of take up room low little, thermal conductivity factor, high temperature resistant and excellent flame retardancy
Gel insulation heat-insulating shield and preparation method thereof.
One aspect of the present invention provides a kind of aeroge and is incubated heat-insulating shield, including following percentage by weight raw material：
Airsetting rubber powder 5%～8%, dispersant 0.5～1%, adhesive 15%～20%, chopped fiber 10%～15%, stone
Cream powder 40～60%, balance of water.
Second aspect, the present invention provides its preparation method that a kind of aeroge described in first aspect is incubated heat-insulating shield, including
Following steps：
S1, take according to proportioning airsetting rubber powder, chopped fiber, land plaster stirring, be well mixed, make premix A, meanwhile, will
Dispersant, adhesive, water are stirred, are well mixed, and make premix B；
S2, the premix B of preparation is added into premix A, be placed in agitator to stir and stand after 5～8min, slurry
It is standby；
S3, by step S2 prepare slurry pour into membrane cavity, after 3～5min slurries initial set after, slurry is put into hydraulic press
Lower compacting, idiosome shaping；
S4, by step S3 prepare idiosome takes out from membrane cavity, be dried after obtain final product aeroge fibrous plaster be incubated heat-insulating shield.
A kind of aeroge insulation heat-insulating shield of the present invention and preparation method thereof, its advantage is：In a first aspect, using aeroge etc.
The physical characteristic of material so that the insulation heat-insulating shield heat insulation effect of preparation is excellent, high temperature resistant, fire resistance are good, environmental protection；Second
Aspect, by preparation method of the present invention so that the insulation heat-insulating shield small volume of preparation, takes up room little, when use to body of wall etc.
It is difficult for drop-off when on matrix.
Specific embodiment
One aspect of the present invention provides a kind of aeroge and is incubated heat-insulating shield, including following percentage by weight raw material：
Airsetting rubber powder 5%～8%, dispersant 0.5～1%, adhesive 15%～20%, chopped fiber 10%～15%, stone
Cream powder 30～45%, balance of water.
Preferably, a kind of aeroge fibrous plaster is incubated heat-insulating shield, including following percentage by weight raw material：Aeroge
Powder 6%～8%, dispersant 0.7～1%, adhesive 17%～20%, chopped fiber 12%～15%, land plaster 35～40% is remaining
Measure as water.
Preferably, the staple length is less than or equal to 10mm；Preferably, the staple length is less than or equal to 5mm.
The present invention provides the preparation method that a kind of aeroge described in first aspect is incubated heat-insulating shield, comprises the steps：
S1, take according to proportioning airsetting rubber powder, chopped fiber, land plaster stirring, be well mixed, make premix A, meanwhile, will
Dispersant, adhesive, water are stirred, are well mixed, and make premix B；
Preferably, in step S1, mixing speed is 1000～2500r/min；
S2, the premix B of preparation is added into premix A, be placed in agitator to stir and stand after 5～8min, slurry
It is standby；
Preferably, in step S2, the mixing speed is 1000～3000r/min；
Preferably, in step S2, quiet slurry fluidity when mixed slurry stands is 180mm～250mm.
S3, by step S2 prepare slurry pour into membrane cavity, after 3～5min slurries initial set after, slurry is put into hydraulic press
Lower compacting, idiosome shaping；
Preferably, in step S3, speed when slurry is poured into membrane cavity is 8～15g/s；
Preferably, in step S3, after membrane cavity surface is processed in advance using plastics, then slurry is poured into membrane cavity.
Preferably, in step S3, by instrument for testing solidifying time of gypsum, test point is sunk in slurry apart from membrane cavity inner bottom plating
Time used by 1mm is the presetting period, and hydraulic press compacting can be put into after initial set.
Preferably, in step S3, when slurry is put into hydraulic press, hydraulic press pressure is set as 5-10MPa, and dwell time
For 60-120S.
S4, by step S3 prepare idiosome takes out from membrane cavity, be dried after obtain final product aeroge be incubated heat-insulating shield.
Preferably, in step S4, the idiosome that will be taken out is placed in air blast baking oven and is dried, set air blast temperature as 70～
80 DEG C, the heat time is 2～2.5h.
Hereinafter with regard to embodiment, the invention will be further described：
Embodiment one
S1, according to percentage by weight, choose 6% airsetting rubber powder, 10% chopped fiber, 30% land plaster, 0.5% dispersant,
15% adhesive, 38.5% water；First the airsetting rubber powder of selection, chopped fiber, land plaster are stirred, be well mixed, make premix
Material A, meanwhile, dispersant, adhesive, water are stirred, is well mixed, premix B is made, and mixing speed is 1300r/min；
S2, the premix B of preparation is added into premix A, be placed in agitator and stirred with the speed of 1500r/min
Stand for standby use after 5min, and quiet slurry fluidity when standing is 180mm；
S3, first by membrane cavity surface in advance using plastics process after, slurry prepared by step S2 is thought into the speed of 10g/s
Pour into membrane cavity, (by instrument for testing solidifying time of gypsum, test point sinks in slurry the bottom in membrane cavity after the initial set of 3min slurries
Time used by plate 1mm is the presetting period) slurry is put under hydraulic press and is suppressed, and hydraulic press pressure is set as 5MPa, protects
The pressure time is 70S, and idiosome is molded；
S4, by step S3 prepare idiosome takes out from membrane cavity, be put into air blast baking oven be dried, setting air blast temperature
For 70 DEG C, the heat time is 2h, and aeroge insulation heat-insulating shield is obtained final product after being dried.
Embodiment two
S1, according to percentage by weight, choose 8% airsetting rubber powder, 13% chopped fiber, 45% land plaster, 1% dispersant,
20% adhesive, 13% water；First the airsetting rubber powder of selection, chopped fiber, land plaster are stirred, be well mixed, make premix
A, meanwhile, dispersant, adhesive, water are stirred, is well mixed, premix B is made, and mixing speed is 2500r/min；
S2, the premix B of preparation is added into premix A, be placed in agitator and stirred with the speed of 3000r/min
Stand for standby use after 8min, and quiet slurry fluidity when standing is 250mm；
S3, first by membrane cavity surface in advance using plastics process after, slurry prepared by step S2 is thought into the speed of 15g/s
Pour into membrane cavity, (by instrument for testing solidifying time of gypsum, test point sinks in slurry the bottom in membrane cavity after the initial set of 5min slurries
Time used by plate 1mm is the presetting period) slurry is put under hydraulic press and is suppressed, and hydraulic press pressure is set as 10MPa,
Dwell time is 120S, and idiosome is molded；
S4, by step S3 prepare idiosome takes out from membrane cavity, be put into air blast baking oven be dried, setting air blast temperature
For 80 DEG C, the heat time is 2.5h, and aeroge insulation heat-insulating shield is obtained final product after being dried.
Embodiment three
S1, according to percentage by weight, choose 5% airsetting rubber powder, 15% chopped fiber, 38% land plaster, 0.8% dispersant,
18% adhesive, 23.2% water；First the airsetting rubber powder of selection, chopped fiber, land plaster are stirred, be well mixed, make premix
Material A, meanwhile, dispersant, adhesive, water are stirred, is well mixed, premix B is made, and mixing speed is 1000r/min；
S2, the premix B of preparation is added into premix A, be placed in agitator and stirred with the speed of 1000r/min
Stand for standby use after 7min, and quiet slurry fluidity when standing is 210mm；
S3, first by membrane cavity surface in advance using plastics process after, slurry prepared by step S2 is thought into the speed of 8g/s
Pour into membrane cavity, (by instrument for testing solidifying time of gypsum, test point sinks in slurry the bottom in membrane cavity after the initial set of 4min slurries
Time used by plate 1mm is the presetting period) slurry is put under hydraulic press and is suppressed, and hydraulic press pressure is set as 8MPa, protects
The pressure time is 90S, and idiosome is molded；
S4, by step S3 prepare idiosome takes out from membrane cavity, be put into air blast baking oven be dried, setting air blast temperature
For 75 DEG C, the heat time is 2.2h, and aeroge insulation heat-insulating shield is obtained final product after being dried.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of aeroge is incubated heat-insulating shield, it is characterised in that：Including following percentage by weight raw material：Airsetting rubber powder 5%～
8%, dispersant 0.5～1%, adhesive 15%～20%, chopped fiber 10%～15%, land plaster 40～60%, balance of water.
2. according to claim 1 a kind of aeroge is incubated heat-insulating shield, it is characterised in that：It is former including following percentage by weight
Material：Airsetting rubber powder 6%～8%, dispersant 0.7～1%, adhesive 17%～20%, chopped fiber 12%～15%, land plaster 35
～40%, balance of water.
3. according to claim 1 a kind of aeroge is incubated heat-insulating shield, it is characterised in that：The staple length is less than or equal to
10mm。
4. the preparation method of heat-insulating shield is incubated according to a kind of arbitrary aeroge of claims 1 to 3, is comprised the steps：
S1, take according to proportioning airsetting rubber powder, chopped fiber, land plaster stirring, be well mixed, make premix A, meanwhile, will disperse
Agent, adhesive, water are stirred, are well mixed, and make premix B；
S2, the premix B of preparation is added into premix A, be placed in agitator to stir and stand after 5～8min, slurry is standby；
S3, by step S2 prepare slurry pour into membrane cavity, after 3～5min slurries initial set after, slurry is put into hydraulic press and is pushed
System, idiosome shaping；
S4, by step S3 prepare idiosome takes out from membrane cavity, be dried after obtain final product aeroge fibrous plaster be incubated heat-insulating shield.
5. method according to claim 4, it is characterised in that：In step S1, mixing speed is 1000～2500r/min.
6. method according to claim 4, it is characterised in that：In step S2, the mixing speed is 1000～3000r/
min。
7. method according to claim 4, it is characterised in that：In step S2, quiet slurry fluidity when mixed slurry stands is
180mm～250mm.
8. method according to claim 4, it is characterised in that：In step S3, speed when slurry is poured into membrane cavity be 8～
15g/s。
9. method according to claim 4, it is characterised in that：In step S3, after membrane cavity surface is processed in advance using plastics,
Slurry is poured into membrane cavity again.
10. method according to claim 4, it is characterised in that：In step S3, when slurry is put into hydraulic press, hydraulic press pressure
Power is set as 5-10MPa, and the dwell time is 60-120S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091968.5A CN106630893A (en) | 2016-12-01 | 2016-12-01 | Aerogel thermal-insulation board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091968.5A CN106630893A (en) | 2016-12-01 | 2016-12-01 | Aerogel thermal-insulation board and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106630893A true CN106630893A (en) | 2017-05-10 |
Family
ID=58814260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611091968.5A Pending CN106630893A (en) | 2016-12-01 | 2016-12-01 | Aerogel thermal-insulation board and preparation method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590926A (en) * | 2020-06-15 | 2020-08-28 | 万华建筑科技（烟台）有限公司 | Preparation method of rock wool short fiber composite aerogel insulation board |
| CN113461404A (en) * | 2021-07-26 | 2021-10-01 | 西安墙体材料研究设计院有限公司 | SiO (silicon dioxide)2Aerogel-gypsum-based thermal insulation material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171094A (en) * | 1994-11-23 | 1998-01-21 | 赫彻斯特股份公司 | Composite material containing aerogel, process for manufacturing said material and use thereof |
| CN104496399A (en) * | 2014-12-15 | 2015-04-08 | 苏州同玄新材料有限公司 | Aerogel building heat preservation and thermal insulation composite material and preparation method thereof |
| CN105314933A (en) * | 2014-08-04 | 2016-02-10 | 天津武铄科技有限公司 | Heat-preserving mortar with low thermal conductivity |
-
2016
- 2016-12-01 CN CN201611091968.5A patent/CN106630893A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171094A (en) * | 1994-11-23 | 1998-01-21 | 赫彻斯特股份公司 | Composite material containing aerogel, process for manufacturing said material and use thereof |
| CN105314933A (en) * | 2014-08-04 | 2016-02-10 | 天津武铄科技有限公司 | Heat-preserving mortar with low thermal conductivity |
| CN104496399A (en) * | 2014-12-15 | 2015-04-08 | 苏州同玄新材料有限公司 | Aerogel building heat preservation and thermal insulation composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590926A (en) * | 2020-06-15 | 2020-08-28 | 万华建筑科技（烟台）有限公司 | Preparation method of rock wool short fiber composite aerogel insulation board |
| CN113461404A (en) * | 2021-07-26 | 2021-10-01 | 西安墙体材料研究设计院有限公司 | SiO (silicon dioxide)2Aerogel-gypsum-based thermal insulation material and preparation method thereof |
| CN113461404B (en) * | 2021-07-26 | 2023-03-24 | 西安墙体材料研究设计院有限公司 | SiO (silicon dioxide) 2 Aerogel-gypsum-based thermal insulation material and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |