CN108409149A - A kind of preparation method of high-intensity foam glass - Google Patents
A kind of preparation method of high-intensity foam glass Download PDFInfo
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- CN108409149A CN108409149A CN201810626777.7A CN201810626777A CN108409149A CN 108409149 A CN108409149 A CN 108409149A CN 201810626777 A CN201810626777 A CN 201810626777A CN 108409149 A CN108409149 A CN 108409149A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/08—Other methods of shaping glass by foaming
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/02—Pretreated ingredients
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
Abstract
The present invention provides a kind of preparation methods of high-intensity foam glass, glass waste, clinker, modified attapulgite clay, polyvinyl alcohol, mica powder, quartz, saltcake, glass fibre, carbon black, titanium dioxide, prodan, micropore calcium carbonate, foaming agent are ground respectively, mixed, it is placed in die for molding foam glass base material, then graphene modified polyurethane coating is respectively coated in base material upper and lower surface, it is dry, you can.The foam glass not only has higher mechanical strength, preferable bend resistance effect, moreover it is possible to be effectively improved foam glass surface microporous structure, and with preferable moisture-proof, sound-absorbing, heat-insulating property, have preferable application value and foreground.
Description
Technical field
The present invention relates to New Building Materials fields, and in particular, to a kind of preparation method of high-intensity foam glass.
Background technology
Continuous improvement with people to requirements such as the quality and beauty of building and comfort level, to construction material it is also proposed that
Higher requirement.Wherein, foam glass is a kind of thermal insulation of superior performance (cold insulation), sound absorption, moisture-proof, fireproof high-strength light
Construction material, use temperature range are subzero 196 degree to 450 degree, and in A grades of non-ignitable and building same service life, moisture permeable coefficient is almost
Zero.And foam glass can keep its energy-saving and environment-friendly economic benefit more prominent using discarded solid glass as raw material
Although other novel heat insulation materials emerge one after another, permanent, safety, high reliability are exhausted in low-heat with it for foam glass
The fields such as edge, tidal defense engineering, sound absorption are in occupation of increasingly consequence.
But the technology of existing foam glass board has following defect：（1）Foam glass since inside is air hole structure,
Plank is easily broken off in the handling process, influences speed of application and heat insulation effect.（2）The microcellular structure on foam glass surface can disappear
A large amount of binding material is consumed, construction efficiency is influenced, increases construction cost.
Application No. is 200910023316.1 applications for a patent for invention to disclose a kind of preparation side of high-intensity foam glass
Method, by cullet powder, CaCO3, borax, NaNO3It is added to ball milling mixing in ball grinder with refractory fibre and is uniformly placed on mould
In tool and preheated, foaming in foaming furnace, foam stabilizing are moved it into, is quickly cooled down and obtains foam glass with annealing stage.Foam glass
Middle addition refractoriness is high, the high fiber of intensity, improves the mechanical property of foam glass, but the microcellular structure on foam glass surface
Do not improved.
Application No. is 201710453447.8 Chinese invention patents to disclose a kind of overlay film foam glass board, it is characterized in that
Foam glass board upper surface is equipped with modified pitch coating, and isolated protective layer is arranged on modified pitch coating；Foam glass board following table
Face is equipped with modified pitch coating, and glass-fiber painted felt blanket layer is arranged on modified pitch coating.Glass-fiber painted felt blanket is by quartz
Sand and calcium carbonate etc. are coated in glass base fabric and obtain by a certain percentage；Fiberglass reinforced modified pitch coating is that modified pitch is equal
It is even to be coated on foam glass plate surface embedded glass fibre belt is made in bituminous coating simultaneously.Overlay film foam glass of the present invention
Although glass plate has certain buckle resistance energy, preparation method is complicated, need to cover multilayer material in foam glass plate surface,
Being firmly bonded property is to be improved.
Therefore, research and development are a kind of not only having higher mechanical strength, preferable bend resistance effect, moreover it is possible to be effectively improved
Foam glass surface microporous structure, and the foam glass with preferable moisture-proof, sound-absorbing, heat-insulating property is of great significance,
It is to meet existing market and energy saving needs.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of preparation method of high-intensity foam glass,
Simple for process, it is convenient to prepare, and the foam glass being prepared not only has a higher mechanical strength, preferable bend resistance effect,
Foam glass surface microporous structure is also can effectively improve, and with preferable moisture-proof, sound-absorbing, heat-insulating property, has and preferably answers
With value and foreground.
The present invention solves technical problem and adopts the following technical scheme that：
The present invention relates to a kind of preparation methods of high-intensity foam glass, include the following steps：
（1）Prepare foam glass base material
First, prepare raw material according to following proportioning：
50 ~ 60 parts of glass waste, 7 ~ 12 parts of clinker, 10 ~ 16 parts of modified attapulgite clay, 6 ~ 13 parts of polyvinyl alcohol, mica powder 5
~ 12 parts, 10 ~ 15 parts of quartz, 2 ~ 5 parts of saltcake, 12 ~ 20 parts of glass fibre, 1 ~ 3 part of carbon black, 6 ~ 10 parts of titanium dioxide, fluosilicic acid
5 ~ 8 parts of sodium, 7 ~ 13 parts of micropore calcium carbonate, 1 ~ 4 part of foaming agent；
Next, by component raw material drying and is ground to grain size as 200 ~ 300 mesh, is uniformly mixed, obtains mixture a1；
Again, mixture a1 is warming up to 400 ~ 420 DEG C, constant temperature preheating as in grinding tool with the speed program of 20 DEG C/min
Then 30min is warming up to 800 ~ 850 DEG C with the speed program of 10 DEG C/min again, constant temperature foaming, annealing be cooled to room temperature to get
The foam glass base material；
（2）Prepare high-intensity foam glass
Foam glass upper and lower surface is respectively washed totally again, and graphene modified polyurethane then, which is respectively coated, in upper and lower surface applies
Layer, it is dry to get the high-intensity foam glass.
Preferably, the raw material includes each component of following parts by weight：60 parts of glass waste, 8 parts of clinker, modified attapulgite
15 parts of stone clay, 10 parts of polyvinyl alcohol, 8 parts of mica powder, 12 parts of quartz, 3 parts of saltcake, 15 parts of glass fibre, 2 parts of carbon black, two
9 parts of titanium oxide, 6 parts of prodan, 12 parts of micropore calcium carbonate, 3 parts of foaming agent.
Preferably, the glass waste is any in plate glass leftover bits and pieces, foam glass leftover bits and pieces, vial waste material
Kind or a variety of mixing.
Preferably, the modified attapulgite clay be natural attapulgite clay distinguish it is purified, acidification, heat modification it
Product afterwards.
Further, the preparation method of the modified attapulgite clay is as follows：
It takes the Concave-convex clay rod of weathering to crush and crosses 200 mesh sieve, 10 ~ 20 times of Concave-convex clay rod quality is added
Water, stirring form mud in suspension, and upper suspension 10 ~ 15min of centrifugal treating in the centrifuge of 3000 turns/min, vacuum is taken to take out
Filter；Filter cake is placed in the acetic acid that mass concentration is 10%, is subsequently placed under Ultrasonic Conditions, ultrasonic disperse 5 at 40 ~ 50 DEG C ~
10min, filtering；Filter cake is dried again, is subsequently placed in Muffle furnace and roasts 4h in 800 ~ 900 DEG C of conditions, it is cooling to get.
Preferably, the foaming agent is potassium pyrophosphate.
Preferably, the step（1）Middle grinding method is that each raw material is added separately to 20 ~ 30min of ball milling in ball grinder,
Then again by each component in ball grinder 10~20min of ball milling mixing, obtain mixture a1.
Preferably, the step（1）Middle foamed time is 30 ~ 50min.
Preferably, the step（1）Middle annealing process is as follows：
First, 600 DEG C, constant temperature 3h are cooled to the speed program of 10 DEG C/min, then, then with the speed program drop of 5 DEG C/min
Temperature is cooled to 100 DEG C to 300 DEG C, constant temperature 1h, then with the speed program of 2 DEG C/min, is finally dropped again with the speed program of 1 DEG C/min
It warms to room temperature, completes annealing.
Preferably, the step（2）Coating thickness is 0.6 ~ 2mm.
Compared with prior art, the present invention has following advantageous effect：
（1）The preparation method of high-intensity foam glass of the present invention, simple for process, it is convenient to prepare, the foam being prepared
Glass not only has higher mechanical strength, preferable bend resistance effect, moreover it is possible to it is effectively improved foam glass surface microporous structure,
And with preferable moisture-proof, sound-absorbing, heat-insulating property, there is preferable application value and foreground.
（2）The preparation method of high-intensity foam glass of the present invention uses glass waste, not only realizes to glass
The timely and effective processing of waste material also achieves recycling for discarded glass, reduces production cost, reduces the pollution to environment.
（3）Glass fibre, the carbon black added in the preparation method of high-intensity foam glass of the present invention is on the one hand big
The big mechanical property for improving foam glass, on the other hand improves the fire resistance of foam glass.
（4）It is added with polyvinyl alcohol in the preparation method of high-intensity foam glass of the present invention, improves each component
Between being firmly bonded property, and then strengthen the intensity of foam glass.
（5）Modified attapulgite clay is added in the preparation method of high-intensity foam glass of the present invention, due to
Its unique chain layer structure and larger specific surface area, make it have preferable absorption property, are applied in foam glass
In, the sound-absorbing effect of foam glass is substantially increased, along with chain layer structure is to the reflex of light so that foamed material
Heat preservation and insulation greatly enhance；In addition, Concave-convex clay rod itself has preferable suspension, levelability and thickening property,
Original suspending agent, thickener and stabilizer can be replaced, consumption of raw materials is greatly reduced, reduces use cost
（6）Modified attapulgite clay, the micropore carbonic acid added in the preparation method of high-intensity foam glass of the present invention
The synergistic effect of calcium, glass fibre substantially increases the heat preservation and insulation and sound-absorbing effect of foam glass, not only realize compared with
Good energy-conserving action, moreover it is possible to provide quiet living environment for people.
（7）High-intensity foam glass of the present invention uses foam glass base material additional graphite alkene modified polyurethane coating
As wearing layer is reinforced, wear-resisting, the Scratch Resistance energy of foam glass are not only effectively improved, moreover it is possible to be effectively improved foam glass surface
Microcellular structure, and with preferable waterproof, fire protecting performance.
（8）The preparation method of high-intensity foam glass of the present invention is simple and convenient to operate, and process conditions are mild, and
It not will produce poisonous and harmful substance in the synthesis process, human body and environmental pollution will not be suitble to promote and apply.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1：
The present embodiment is related to a kind of preparation method of high-intensity foam glass；
The preparation method of the high-intensity foam glass, includes the following steps：
（1）Prepare foam glass base material
First, prepare raw material according to following proportioning：
60 parts of glass waste, 8 parts of clinker, 15 parts of modified attapulgite clay, 10 parts of polyvinyl alcohol, 8 parts of mica powder, quartz 12
Part, 3 parts of saltcake, 15 parts of glass fibre, 2 parts of carbon black, 9 parts of titanium dioxide, 6 parts of prodan, 12 parts of micropore calcium carbonate, foaming agent
3 parts；
Next, by component raw material drying and is ground to grain size as 200 ~ 300 mesh, is uniformly mixed, obtains mixture a1；
Again, mixture a1 is warming up to 400 ~ 420 DEG C, constant temperature preheating as in grinding tool with the speed program of 20 DEG C/min
Then 30min is warming up to 800 ~ 850 DEG C with the speed program of 10 DEG C/min again, constant temperature foaming, annealing be cooled to room temperature to get
The foam glass base material；
（2）Prepare high-intensity foam glass
Foam glass upper and lower surface is respectively washed totally again, and graphene modified polyurethane then, which is respectively coated, in upper and lower surface applies
Layer, it is dry to get the high-intensity foam glass.
Preferably, the raw material includes each component of following parts by weight：.
Wherein, the glass waste is the mixing of plate glass leftover bits and pieces, foam glass leftover bits and pieces.
Wherein, the modified attapulgite clay is that natural attapulgite clay difference is purified, is acidified, after heat modification
Product.
Further, the preparation method of the modified attapulgite clay is as follows：
It takes the Concave-convex clay rod of weathering to crush and crosses 200 mesh sieve, 10 ~ 20 times of Concave-convex clay rod quality is added
Water, stirring form mud in suspension, take upper suspension centrifugal treating 10min in the centrifuge of 3000 turns/min, are filtered by vacuum；
Filter cake is placed in the acetic acid that mass concentration is 10%, is subsequently placed under Ultrasonic Conditions, ultrasonic disperse 10min, mistake at 50 DEG C
Filter；Filter cake is dried again, is subsequently placed in Muffle furnace and roasts 4h in 900 DEG C of conditions, it is cooling to get.
Wherein, the foaming agent is potassium pyrophosphate.
Wherein, the step（1）Middle grinding method is that each raw material is added separately to ball milling 30min in ball grinder, then
Again by each component in ball grinder ball milling mixing 20min, obtain mixture a1.
Wherein, the step（1）Middle foamed time is 40min.
Wherein, the step（1）Middle annealing process is as follows：
First, 600 DEG C, constant temperature 3h are cooled to the speed program of 10 DEG C/min, then, then with the speed program drop of 5 DEG C/min
Temperature is cooled to 100 DEG C to 300 DEG C, constant temperature 1h, then with the speed program of 2 DEG C/min, is finally dropped again with the speed program of 1 DEG C/min
It warms to room temperature, completes annealing.
Wherein, the step（2）Coating thickness is 1.2mm.
Embodiment 2：
The present embodiment is related to a kind of preparation method of high-intensity foam glass；
The preparation method of the high-intensity foam glass, includes the following steps：
（1）Prepare foam glass base material
First, prepare raw material according to following proportioning：
50 parts of glass waste, 7 parts of clinker, 10 parts of modified attapulgite clay, 6 parts of polyvinyl alcohol, 5 parts of mica powder, quartz 10
Part, 2 parts of saltcake, 12 parts of glass fibre, 1 part of carbon black, 6 parts of titanium dioxide, 5 parts of prodan, 7 parts of micropore calcium carbonate, foaming agent 1
Part；
Next, by component raw material drying and is ground to grain size as 200 ~ 300 mesh, is uniformly mixed, obtains mixture a1；
Again, mixture a1 being warming up to 400 DEG C as in grinding tool with the speed program of 20 DEG C/min, constant temperature preheats 30min,
Then 800 DEG C are warming up to the speed program of 10 DEG C/min again, constant temperature foaming, annealing is cooled to room temperature to get the foam glass
Glass base material；
（2）Prepare high-intensity foam glass
Foam glass upper and lower surface is respectively washed totally again, and graphene modified polyurethane then, which is respectively coated, in upper and lower surface applies
Layer, it is dry to get the high-intensity foam glass.
Wherein, the glass waste is the mixing of plate glass leftover bits and pieces, vial waste material.
Wherein, the modified attapulgite clay is that natural attapulgite clay difference is purified, is acidified, after heat modification
Product.
Further, the preparation method of the modified attapulgite clay is as follows：
It takes the Concave-convex clay rod of weathering to crush and crosses 200 mesh sieve, 10 ~ 20 times of Concave-convex clay rod quality is added
Water, stirring form mud in suspension, take upper suspension centrifugal treating 10min in the centrifuge of 3000 turns/min, are filtered by vacuum；
Filter cake is placed in the acetic acid that mass concentration is 10%, is subsequently placed under Ultrasonic Conditions, ultrasonic disperse 10min, mistake at 40 DEG C
Filter；Filter cake is dried again, is subsequently placed in Muffle furnace and roasts 4h in 800 DEG C of conditions, it is cooling to get.
Wherein, the foaming agent is potassium pyrophosphate.
Wherein, the step（1）Middle grinding method is that each raw material is added separately to ball milling 20min in ball grinder, then
Again by each component in ball grinder ball milling mixing 10min, obtain mixture a1.
Wherein, the step（1）Middle foamed time is 50min.
Wherein, the step（1）Middle annealing process is as follows：
First, 600 DEG C, constant temperature 3h are cooled to the speed program of 10 DEG C/min, then, then with the speed program drop of 5 DEG C/min
Temperature is cooled to 100 DEG C to 300 DEG C, constant temperature 1h, then with the speed program of 2 DEG C/min, is finally dropped again with the speed program of 1 DEG C/min
It warms to room temperature, completes annealing.
Wherein, the step（2）Coating thickness is 0.6mm.
Embodiment 3：
The present embodiment is related to a kind of preparation method of high-intensity foam glass；
The preparation method of the high-intensity foam glass, includes the following steps：
（1）Prepare foam glass base material
First, prepare raw material according to following proportioning：
60 parts of glass waste, 12 parts of clinker, 16 parts of modified attapulgite clay, 13 parts of polyvinyl alcohol, 12 parts of mica powder, quartz
15 parts, 5 parts of saltcake, 20 parts of glass fibre, 3 parts of carbon black, 10 parts of titanium dioxide, 8 parts of prodan, 13 parts of micropore calcium carbonate, hair
4 parts of infusion；
Next, by component raw material drying and is ground to grain size as 300 mesh, is uniformly mixed, obtains mixture a1；
Again, mixture a1 being warming up to 420 DEG C as in grinding tool with the speed program of 20 DEG C/min, constant temperature preheats 30min,
Then 850 DEG C are warming up to the speed program of 10 DEG C/min again, constant temperature foaming, annealing is cooled to room temperature to get the foam glass
Glass base material；
（2）Prepare high-intensity foam glass
Foam glass upper and lower surface is respectively washed totally again, and graphene modified polyurethane then, which is respectively coated, in upper and lower surface applies
Layer, it is dry to get the high-intensity foam glass.
Wherein, the glass waste is plate glass leftover bits and pieces.
Wherein, the modified attapulgite clay is that natural attapulgite clay difference is purified, is acidified, after heat modification
Product.
Further, the preparation method of the modified attapulgite clay is as follows：
It takes the Concave-convex clay rod of weathering to crush and crosses 200 mesh sieve, the water of 20 times of Concave-convex clay rod quality is added,
Stirring forms mud in suspension, takes upper suspension centrifugal treating 15min in the centrifuge of 3000 turns/min, is filtered by vacuum；It will
Filter cake is placed in the acetic acid that mass concentration is 10%, is subsequently placed under Ultrasonic Conditions, ultrasonic disperse 5min at 50 DEG C, is filtered；
Filter cake is dried again, is subsequently placed in Muffle furnace and roasts 4h in 900 DEG C of conditions, it is cooling to get.
Wherein, the foaming agent is potassium pyrophosphate.
Wherein, the step（1）Middle grinding method is that each raw material is added separately to ball milling 30min in ball grinder, then
Again by each component in ball grinder ball milling mixing 20min, obtain mixture a1.
Wherein, the step（1）Middle foamed time is 30min.
Wherein, the step（1）Middle annealing process is as follows：
First, 600 DEG C, constant temperature 3h are cooled to the speed program of 10 DEG C/min, then, then with the speed program drop of 5 DEG C/min
Temperature is cooled to 100 DEG C to 300 DEG C, constant temperature 1h, then with the speed program of 2 DEG C/min, is finally dropped again with the speed program of 1 DEG C/min
It warms to room temperature, completes annealing.
Wherein, the step（2）Coating thickness is 2mm.
Comparative example 1：
Foam glass is prepared according to the method for the Chinese invention patent application No. is 200910023316.1.
Comparative example 2：
Foam glass is prepared according to the method for the Chinese invention patent application No. is 201710453447.8.
Experiment：
According to JC/T647-2005《Foam glass insulating product》Performance indicator, the bubble that the embodiment of the present application 1 ~ 3 is prepared
The foam glass that foam glass and comparative example 1,2 are prepared is tested for the property, and specific test result is as follows：
| Project | Density Kg/m3 | Thermal coefficient W/（m*K） | Flexural strength MPa | Compression strength MPa | Foaming situation |
| Embodiment 1 | 138 | 0.031 | 5.1 | 1.90 | Uniform in foaming |
| Embodiment 2 | 137 | 0.035 | 4.9 | 1.89 | Uniform in foaming |
| Embodiment 3 | 140 | 0.033 | 5.2 | 1.92 | Uniform in foaming |
| Comparative example 1 | 158 | 0.050 | 3.1 | 1.50 | Foaming is more uneven |
| Comparative example 2 | 155 | 0.041 | 3.6 | 1.47 | Uniform in foaming |
As seen from the above table, the foam glass that the present invention is prepared flexural strength and compression strength compared with comparative example 1 and 2 is apparent
It improves, i.e., the foam glass that the present invention is prepared has higher-strength；Implementation of the present invention is can be seen that from one column of thermal coefficient
The thermal conductivity ratio comparative example 1 and 2 for the foamed glass that example 1 ~ 3 is prepared is substantially reduced, and illustrates method therefor system of the present invention
Standby obtained foamed glass has preferable heat preservation and insulation；In addition, the foamed glass density that the present invention is prepared is relatively low,
Uniform in foaming, well beyond the performance indicator of the high-performance foam glass in ASTM C552 indexs.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of preparation method of high-intensity foam glass, which is characterized in that include the following steps：
（1）Prepare foam glass base material
First, prepare raw material according to following proportioning：
50 ~ 60 parts of glass waste, 7 ~ 12 parts of clinker, 10 ~ 16 parts of modified attapulgite clay, 6 ~ 13 parts of polyvinyl alcohol, mica powder 5
~ 12 parts, 10 ~ 15 parts of quartz, 2 ~ 5 parts of saltcake, 12 ~ 20 parts of glass fibre, 1 ~ 3 part of carbon black, 6 ~ 10 parts of titanium dioxide, fluosilicic acid
5 ~ 8 parts of sodium, 7 ~ 13 parts of micropore calcium carbonate, 1 ~ 4 part of foaming agent；
Next, by component raw material drying and is ground to grain size as 200 ~ 300 mesh, is uniformly mixed, obtains mixture a1；
Again, mixture a1 is warming up to 400 ~ 420 DEG C, constant temperature preheating as in grinding tool with the speed program of 20 DEG C/min
Then 30min is warming up to 800 ~ 850 DEG C with the speed program of 10 DEG C/min again, constant temperature foaming, annealing be cooled to room temperature to get
The foam glass base material；
（2）Prepare high-intensity foam glass
Foam glass upper and lower surface is respectively washed totally again, and graphene modified polyurethane then, which is respectively coated, in upper and lower surface applies
Layer, it is dry to get the high-intensity foam glass.
2. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the raw material includes as follows
The each component of parts by weight：60 parts of glass waste, 8 parts of clinker, 15 parts of modified attapulgite clay, 10 parts of polyvinyl alcohol, mica powder 8
Part, 12 parts of quartz, 3 parts of saltcake, 15 parts of glass fibre, 2 parts of carbon black, 9 parts of titanium dioxide, 6 parts of prodan, micropore calcium carbonate
12 parts, 3 parts of foaming agent.
3. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the glass waste is flat
Any one of glass sheet leftover bits and pieces, foam glass leftover bits and pieces, vial waste material or a variety of mixing.
4. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the modified attapulgite
Clay distinguishes the product after purified, acidification, heat modification for natural attapulgite clay.
5. the preparation method of high-intensity foam glass according to claim 4, which is characterized in that the modified attapulgite
The preparation method of clay is as follows：
It takes the Concave-convex clay rod of weathering to crush and crosses 200 mesh sieve, 10 ~ 20 times of Concave-convex clay rod quality is added
Water, stirring form mud in suspension, and upper suspension 10 ~ 15min of centrifugal treating in the centrifuge of 3000 turns/min, vacuum is taken to take out
Filter；Filter cake is placed in the acetic acid that mass concentration is 10%, is subsequently placed under Ultrasonic Conditions, ultrasonic disperse 5 at 40 ~ 50 DEG C ~
10min, filtering；Filter cake is dried again, is subsequently placed in Muffle furnace and roasts 4h in 800 ~ 900 DEG C of conditions, it is cooling to get.
6. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the foaming agent is burnt phosphorus
Sour potassium.
7. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the step（1）In grind
Mill method is that each raw material is added separately to 20 ~ 30min of ball milling in ball grinder, and then by each component, ball milling mixes in ball grinder again
10~20min is closed, mixture a1 is obtained.
8. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the step（1）Middle hair
The bubble time is 30 ~ 50min.
9. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the step（1）In move back
Ignition technique is as follows：
First, 600 DEG C, constant temperature 3h are cooled to the speed program of 10 DEG C/min, then, then with the speed program drop of 5 DEG C/min
Temperature is cooled to 100 DEG C to 300 DEG C, constant temperature 1h, then with the speed program of 2 DEG C/min, is finally dropped again with the speed program of 1 DEG C/min
It warms to room temperature, completes annealing.
10. the preparation method of high-intensity foam glass according to claim 1, which is characterized in that the step（2）Middle painting
Layer thickness is 0.6 ~ 2mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810626777.7A CN108409149A (en) | 2018-06-19 | 2018-06-19 | A kind of preparation method of high-intensity foam glass |
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| CN201810626777.7A CN108409149A (en) | 2018-06-19 | 2018-06-19 | A kind of preparation method of high-intensity foam glass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285591A (en) * | 2020-03-25 | 2020-06-16 | 安徽畅达绝热科技有限公司 | Preparation method of foam glass with high-strength impact resistance |
| CN111410429A (en) * | 2020-03-25 | 2020-07-14 | 安徽汇昌新材料有限公司 | Preparation method of colored foam glass with adjustable light reflection rate |
| CN111410430A (en) * | 2020-03-26 | 2020-07-14 | 安徽汇昌新材料有限公司 | Preparation method of foam glass for chimney desulfurization |
-
2018
- 2018-06-19 CN CN201810626777.7A patent/CN108409149A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285591A (en) * | 2020-03-25 | 2020-06-16 | 安徽畅达绝热科技有限公司 | Preparation method of foam glass with high-strength impact resistance |
| CN111410429A (en) * | 2020-03-25 | 2020-07-14 | 安徽汇昌新材料有限公司 | Preparation method of colored foam glass with adjustable light reflection rate |
| CN111410430A (en) * | 2020-03-26 | 2020-07-14 | 安徽汇昌新材料有限公司 | Preparation method of foam glass for chimney desulfurization |
| CN111410430B (en) * | 2020-03-26 | 2022-11-11 | 安徽汇昌新材料有限公司 | Preparation method of foam glass for chimney desulfurization |
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Application publication date: 20180817 |