CN109456026A - A kind of ring flame retardant inorganic construction wall composite material and preparation method thereof - Google Patents
A kind of ring flame retardant inorganic construction wall composite material and preparation method thereof Download PDFInfo
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- CN109456026A CN109456026A CN201710793075.3A CN201710793075A CN109456026A CN 109456026 A CN109456026 A CN 109456026A CN 201710793075 A CN201710793075 A CN 201710793075A CN 109456026 A CN109456026 A CN 109456026A
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- composite material
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- construction wall
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- retardant
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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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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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
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of inorganic construction wall composite material and preparation methods of environmental-protection flame-retardant, the inorganic construction wall composite material of environmental-protection flame-retardant of the invention is made of the raw material of following mass parts: 40-50 parts of aerosil, 10-20 parts of expanded perlite, 5-10 parts of kaolin, 5-10 parts of glass fibre, it is repressed to obtain wall thermal insulating heat-insulation composite material after the liquid soluble glass of above-mentioned material and composite material quality 2%-5% is stirred.The inorganic construction wall composite material of environmental-protection flame-retardant of the invention has superior thermal and insulating performance and mechanical performance, and water proof fire retardant, weather resistance is good, environmentally protective.
Description
Technical field
The present invention relates to heat-insulating composite materials, prepare more particularly to aerosil and inorganic building material outer
Wall thermal insulation material.
Background technique
The wall thermal insulating heat-barrier material of domestic construction object is based on the styrofoam of organic, polyurethane etc. at present, although protecting
Warm heat-proof quality is excellent, but there is also critical defects.Organic heat-insulating heat-barrier material weatherability is poor, and especially fire protecting performance is not achieved
National Fire requirement, especially in skyscraper after can bringing on a disaster property consequence.Beijing " CCTV fire ", Shanghai in 2009
" 11.15 " fire is all to have used organic heat preserving and insulating material.It frequently catches fire in current organic heat-insulating heat-barrier material serious
Under situation, how to solve performance of heat protective material and thermal insulation material catch fire between contradiction, there is an urgent need to a kind of novel thermal insulation separations
Hot material meets the needs of market.Aerosil, it is a kind of Performances of Novel Nano-Porous metre hole inorganic material, which has height
Porosity (80%-99.8%), low-density (0.03-0.3g/cm3), low-thermal conductivity (0.013-0.018 w/mk), low dielectric
The superior functions such as constant (1.0-2.0), aerosil are a kind of heat insulating materials, and bulk density is ultralight, thermal coefficient
It is small, excellent thermal insulation performance, and fire protecting performance is good.But due to being selected by raw material, preparation process, formulation parameter, product cost
Limitation, make aeroge the problems such as there is also cost is excessively high and architectural construction is unreasonable for the application of building energy saving field, make it
Using being restricted.Therefore, it is in the urgent need to address for developing excellent thermal insulation performance and the good external-wall heat-insulation material of fire protecting performance
Problem.
Summary of the invention
The present invention overcomes defect of the existing technology, provide a kind of inorganic construction wall composite material of environmental-protection flame-retardant and
Preparation method, the material have superior thermal and insulating performance and mechanical performance, and water proof fire retardant, weather resistance is good, green ring
It protects.
In order to achieve the above objectives, the present invention is multiple using aerosil and expanded perlite, glass fibre, kaolin
It closes, preparation has the wall thermal insulating heat-insulation composite material of splendid thermal insulation property and mechanical performance concurrently.
The inorganic construction wall composite material of environmental-protection flame-retardant of the invention is made of the raw material of following mass parts: silica
40-50 parts of aeroge, 10-20 parts of expanded perlite, 5-10 parts of kaolin, 5-10 parts of glass fibre.
It is repressed to obtain wall thermal insulating heat-insulation composite material after above-mentioned material and inorganic binder are stirred.
Aerosil of the present invention is prepared using waterglass as raw material using colloidal sol-gel method, is led to
The process for crossing the optimizations such as soda acid two step method catalysis, increases the porosity of material and specific surface area, under aperture size and thermal conductivity
Drop.
The expanded perlite is that a kind of bulk density is light, the lower traditional inorganic heat preserving and heat insulation material of thermal coefficient, price
It is lower, the cost of wall thermal insulating heat-insulation composite material can be reduced.
The intensity of wall thermal insulating heat-insulation composite material can be enhanced in the kaolin, glass fibre.
The inorganic binder is liquid soluble glass, and dosage is the 2%-5% of composite material quality, preferred composite materials matter
The 2%-3.5% of amount.
Beneficial effect of the present invention compared with the prior art
The present invention prepares large aperture capacity silicon oxide aeroge using sodium metasilicate as silicon source, using sol-gal process, and Kong Rong reaches 2.5-
3.0ml/g, the thermal coefficient of composite material reach 0.030-0.040w/mk, and fire-protection rating reaches A1 grade standard.Product of the present invention
With superior thermal and insulating performance and mechanical performance, water proof fire retardant, weather resistance is good, environmentally protective.
Specific embodiment
Below with reference to embodiment, the present invention is further elaborated.
Embodiment 1
500 grams of aerosil, 200 grams of expanded perlite, 100 grams of kaolin, 100 grams of glass fibre are weighed, is added 18
Gram liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.037 w/ of thermal coefficient after drying
Mk, fire-protection rating reach A1 grades of finished product.
Embodiment 2
400 grams of aerosil, 100 grams of expanded perlite, 50 grams of kaolin, 50 grams of glass fibre are weighed, is added 30 grams
Liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.033 w/m of thermal coefficient after drying
K, fire-protection rating reaches A1 grades of finished product.
Embodiment 3
Weigh 450 grams of aerosil, 150 grams of expanded perlite, 75 grams of kaolin.75 grams of glass fibre, it is added 26.3
Gram liquid soluble glass is put into compression moulding in special mold after mixing evenly, is thermal coefficient 0.032w/m after drying
K, fire-protection rating reaches A1 grades of finished product.
Embodiment 4
400 grams of aerosil, 200 grams of expanded perlite, 50 grams of kaolin, 100 grams of glass fibre are weighed, is added 23 grams
Liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.034 w/m of thermal coefficient after drying
K, fire-protection rating reaches A1 grades of finished product.
Embodiment 5
500 grams of aerosil, 100 grams of expanded perlite, 100 grams of kaolin, 50 grams of glass fibre are weighed, is added 18.8
Gram liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.037 w/ of thermal coefficient after drying
Mk, fire-protection rating reach A1 grades of finished product.
Embodiment 6
480 grams of aerosil, 130 grams of expanded perlite, 60 grams of kaolin, 80 grams of glass fibre are weighed, is added 30 grams
Liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.033 w/m of thermal coefficient after drying
K, fire-protection rating reaches A1 grades of finished product.
Embodiment 7
420 grams of aerosil, 180 grams of expanded perlite, 90 grams of kaolin, 60 grams of glass fibre are weighed, is added 33.8
Gram liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.035 w/ of thermal coefficient after drying
Mk, fire-protection rating reach A1 grades of finished product.
Embodiment 8
460 grams of aerosil, 140 grams of expanded perlite, 65 grams of kaolin, 90 grams of glass fibre are weighed, is added 25 grams
Liquid soluble glass is put into compression moulding in special mold after mixing evenly, is 0.032 w/m of thermal coefficient after drying
K, fire-protection rating reaches A1 grades of finished product.
Claims (4)
1. a kind of inorganic construction wall composite material of environmental-protection flame-retardant, it is characterized in that being made of the raw material of following mass parts: dioxy
40-50 parts of SiClx aeroge, 10-20 parts of expanded perlite, 5-10 parts of kaolin, 5-10 parts of glass fibre.
2. a kind of preparation method of the inorganic construction wall composite material of environmental-protection flame-retardant, it is characterised in that by silica airsetting
After glue, expanded perlite, kaolin and glass fiber material and inorganic binder are stirred, repressed.
3. a kind of preparation method of the inorganic construction wall composite material of environmental-protection flame-retardant according to claim 2, feature exist
It is liquid soluble glass in the inorganic binder, dosage is the 2%-5% of composite material quality.
4. a kind of preparation method of the inorganic construction wall composite material of environmental-protection flame-retardant according to claim 2 or 3, feature
The dosage for being the inorganic binder is the 2%-3.5% of composite material quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793075.3A CN109456026A (en) | 2017-09-06 | 2017-09-06 | A kind of ring flame retardant inorganic construction wall composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793075.3A CN109456026A (en) | 2017-09-06 | 2017-09-06 | A kind of ring flame retardant inorganic construction wall composite material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109456026A true CN109456026A (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710793075.3A Pending CN109456026A (en) | 2017-09-06 | 2017-09-06 | A kind of ring flame retardant inorganic construction wall composite material and preparation method thereof |
Country Status (1)
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| CN (1) | CN109456026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080374A (en) * | 2019-08-06 | 2022-02-22 | 第一点有限公司 | Fire-proof material |
-
2017
- 2017-09-06 CN CN201710793075.3A patent/CN109456026A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080374A (en) * | 2019-08-06 | 2022-02-22 | 第一点有限公司 | Fire-proof material |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190312 |