CN108483931A - A kind of preparation method of high intensity even porous foam glass - Google Patents
A kind of preparation method of high intensity even porous foam glass Download PDFInfo
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- CN108483931A CN108483931A CN201810569217.2A CN201810569217A CN108483931A CN 108483931 A CN108483931 A CN 108483931A CN 201810569217 A CN201810569217 A CN 201810569217A CN 108483931 A CN108483931 A CN 108483931A
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- foam glass
- high intensity
- porous foam
- preparation
- intensity even
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- 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
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Dispersion Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention relates to a kind of preparation methods of high intensity even porous foam glass, belong to environment-friendly materials technical field.The present invention prepares a kind of closed pore micro-sphere material using microencapsulation technology, using ester type compound as core material, using thermosetting phenolic resin as wall material, using the aqueous solution of anion surfactant as dispersion, after anion surfactant forms emulsion dispersion system in aqueous solution with ester type compound, the outer layer of emulsion droplet is the anionic end groups of polyacrylic acid, the outer layer that thermosetting phenolic resin can be coated on emulsion droplet forms clad, under the effect of curing agent hexa, make thermosetting phenolic resin that in-situ polymerization constantly occur（Glue joins）Reaction, to prepare the foam glass of low-density；The present invention improves dispersing uniformity, so as to improve the uniformity of gas cell distribution, is also beneficial to improve the compression strength of foam glass.
Description
Technical field
The present invention relates to a kind of preparation methods of high intensity even porous foam glass, belong to environment-friendly materials technical field.
Background technology
In commercial process, the useless fishing of a large amount of flyash, tailing, fuel, melting waste slag, water treatment sludge have been generated
And the useless badger-like wild animal of the solids such as industrial dust, and its discharge capacity is just increasing with about 1,200,000,000 tons every year of speed.These useless clear most of quilts
Be deposited in outdoor cinder field, or for building the road, in terms of the low values level such as backfilling goaf, only small part be used to produce cement,
The construction materials such as wall brick, Gui Suan Yan Gun blocks, air entrained concrete, and the useless clear type and introduction volume that introduce are all extremely limited（About 30%）.
The stockpiling of the industrial solid wastes such as a large amount of flyash necessarily occupies a large amount of soils, generates clear maintenance cost of giving up.
Under the advocating of current conservation-minded society, China just vigorously advocates the various power-saving technologies of exploitation and material,
Middle construction material is as a kind of key subjects becoming energy-saving material research using the huge material of consumption.It is for building every
The development of hot insulating foam glass material is with application increasingly by the extensive attention of countries in the world.After the 1970s
Phase, the production and application of external most attention building heat insulation material make every effort to that energy consumption is greatly reduced, to reduce ring
Border is polluted and greenhouse effects, reaches energy-saving and environment-friendly purpose.State's heat insulating material for external industry has had very long history, building energy conservation
The overwhelming majority is accounted for thermal insulation material, and heat insulating material is also being continually developed and is being emerged in large numbers.Meanwhile Pao Droplets materials for building exist
Because of its air hole structure with suitable content in explosion or earthquake, the enormous impact wave generated in these disasters can be substantially absorbed
Energy, to reduce its damage to the mankind and environment.
Foam glass refers in various mineral wastes by adding suitable foaming agent, cosolvent and various modified additions
Agent etc. is then placed in specific mold through being mixed to form uniform batch, by the works such as preheating, dissolving, foam, cool down
Porous glass material made of skill.It is a kind of equal full of countless small, uniform, connections or closed stomata inside foam glass
Even gas phase and solid system.Pore volume accounts for the 50%-95% of material total volume, and hole diameter size is 0.5 ~ 5mm.Foam glass
Glass is with density is low, it is more to close pore amount, coefficient of thermal expansion is low, thermal coefficient is small, thermal property is stable, do not burn, work temperature
Spend range is wide, service life is long, not by insect pest, corrosion resistant candle performance is strong, easy various advantages such as mechanical processing, easy for construction, be one
Kind the heat-insulated of superior performance, sound-absorbing, moisture-proof, fireproof light building material and ornament materials.
The research of foam glass at present has achieved many achievements with production, and realized in many fields widely makes very much
With, but there are still following problems:
（1）The foam glass produced extensively at present mostly uses greatly the industrial solids waste residue such as glass powder and flyash as main former
Material, the wherein content of flyash and other industrial slags is extremely limited, at present its mass ratio highest in entire material system
It only can only achieve 40% or so.Therefore the technology for producing of current foam glass seriously limits the industrial slags such as flyash
A large amount of processing application, develop on a large scale to become preparing the technology of foam glass using solid waste and new grind at present
Study carefully the direction of hot spot and concern.
The preparation production of foam glass needs strictly to consider prepared by its production as an industrialization practical application project
Economic cost and social benefit.The preparation temperature of foam glass is higher at present, and the negative effect of energy consumption can not be ignored,
The energy-saving and environment-friendly social desirability advocated at present is not met.It is to produce foam glass using lower sintering preparation temperature thus
Following important directions.
The density and the porosity of foam glass are a pair of performances mutually restricted with mechanical strength, and sample rate is small, explanation
Its porosity is high, and stomata hole wall is accordingly relatively thin, and mechanical strength is inevitable very low.It is relatively small that it is difficult to out preparation density at present, and it is strong
Degree can meet the foam glass sample of application request again, the case being successfully prepared there is no report on domestic so far.
Invention content
The technical problems to be solved by the invention：For flyash in entire material system and other industrial slag mass ratioes
Example highest only can only achieve 40% or so, and content is extremely limited, and the current preparation density that is difficult to out is relatively small, and intensity energy
The problem of meeting the foam glass of application request, provides a kind of preparation method of high intensity even porous foam glass.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
（1）Water, ethyl orthosilicate and polyacrylic acid are sequentially added in three-necked flask at 25: 2: 4 by volume, and stirring, which is formed, stablizes
Emulsion dispersion system, Emulsified Dispersion is tied up under water-bath and is slowly added to thermosetting phenolic resin, be added hexa
Curing agent, it is 2~3 to adjust pH, and heating water bath solidification, filtering obtains orange-yellow small suspended particulate, suspended particulate is heated, is obtained
Closed pore micro-sphere material；
（2）Common scrap glass is rinsed well, naturally dry with clear water, the particle of 1~2mm of diameter is ground into crusher,
It is milled to 10~15 μm of median again, crosses 100~200 mesh stainless steel mesh, obtains waste glass powder；
（3）In mass ratio 1: 2 mixes the poly-vinyl alcohol solution that waste glass powder and mass fraction are 7%, obtains suspension, by weight
Number meter weighs 100~120 parts of suspension, 0.1~0.2 part of calcium carbonate, 0.05~0.10 part of boric acid, 0.16 respectively
Getter, carbon is added in~0.20 part of getter, 1~3 part of vaseline, 3~6 parts of closed pore micro-sphere material in suspension
Sour calcium, boric acid and micro-sphere material are poured into and are evenly coated in the mold of vaseline after mixing, are centrifuged, and it is heavy to collect lower layer
Shallow lake is placed in Muffle furnace；
（4）Foaming is sintered using staged heating mode, is demoulded after cooling, obtains high intensity even porous foam glass
Glass.
Step（1）The thermosetting phenolic resin is 1 with emulsion dispersion system volume ratio:5.
Step（1）The volume ratio of the curing agent and thermosetting phenolic resin is 1: 10.
Step（3）The calcium carbonate size is 80~200 mesh.
Step（4）The staged Elevated Temperature Conditions are, with the heating rate of 5 DEG C/min from room temperature to 400~450
DEG C, and 30~40min is kept the temperature, 750~800 DEG C then are warming up to 10 DEG C/min, then 15 DEG C/min is warming up to 1200 DEG C, and protect
Warm 40min~60min.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention prepares a kind of closed pore micro-sphere material using microencapsulation technology, using ester type compound as core material, with thermosetting property
Phenolic resin is wall material, using the aqueous solution of anion surfactant as dispersion, anion surfactant and esters
After conjunction object forms emulsion dispersion system in aqueous solution, the outer layer of emulsion droplet is the anionic end groups of polyacrylic acid, thermosetting phenolic
The outer layer that resin can be coated on emulsion droplet forms clad, under the effect of curing agent hexa, makes thermosetting phenolic tree
In-situ polymerization constantly occurs for fat（Crosslinking）Reaction, is solidified into hard microcapsules outer wall, capsule-core is esters chemical combination after heated
Object oil droplet obtains phenolic resin closed pore microballoon after the capsule-core for removing ester type compound is volatilized in slow heating, and this material has
The advantages that low-density, high intensity, so using phenolic resin closed pore microballoon as density adjuster in the present invention, to prepare
The foam glass of low-density；
（2）The present invention is combined by centrifugal deposition technique and stepped heating mode, close with glass powder using grain size
Calcium carbonate foaming agent, be conducive to improve dispersing uniformity, so as to improve the uniformity of gas cell distribution, be also beneficial to improve foam
The compression strength of glass.
Specific implementation mode
Water, ethyl orthosilicate and polyacrylic acid are sequentially added in three-necked flask at 25: 2: 4 by volume, with 800~
The rate of 900r/min stirs, and forms stable emulsion dispersion system, and Emulsified Dispersion is tied up under 80~90 DEG C of water-baths slowly
Thermosetting phenolic resin is added（The volume ratio of resin and water is 1: 5）, hexa curing agent is added（Curing agent and resin
Volume ratio be 1: 10）, it is 2~3 to adjust pH with the HCl solution of 6mol/L, and be heating and curing 3~4h in 90~94 DEG C of water-baths,
Filtering, obtains orange-yellow small suspended particulate, suspended particulate is heated 20~30min to get closed pore microballoon material at 65~70 DEG C
Material；Common scrap glass is rinsed well with clear water, shines to parching, the particle of 1~2mm is ground into crusher, then be milled to
10~15 μm of median crosses 100~200 mesh stainless steel mesh, obtains waste glass powder, and in mass ratio 1: 2 by waste glass powder and matter
It measures the poly-vinyl alcohol solution that score is 7% to mix, obtains suspension, count in parts by weight, weigh 100~120 parts of suspension respectively
Liquid, 0.1~0.2 part of calcium carbonate（Sieving number is 80~200 mesh）, 0.05~0.1 part boric acid, 0.16~0.2 part disappear
Getter, calcium carbonate, boric acid and micro- is added in gas agent, 1~3 part of vaseline, 3~6 parts of closed pore micro-sphere material in suspension
Ball material is poured into and is evenly coated in the mold of vaseline after mixing, is put into centrifuge and is centrifuged 5 under 5000r/min rotating speeds
~10min, taking-up are placed in Muffle furnace, are sintered foaming using stepped heating mode, condition is：With 5 DEG C/min
Heating rate from room temperature to 400~450 DEG C, and keep the temperature 30~40min, be then warming up to 750~800 with 10 DEG C/min
DEG C, then 15 DEG C/min is warming up to 1200 DEG C, and 40min~60min is kept the temperature, it is demoulded after cooling, obtains high intensity even porous
Foam glass.
Water, ethyl orthosilicate and polyacrylic acid are sequentially added in three-necked flask at 25: 2: 4 by volume, with 800r/min
Rate stirring, form stable emulsion dispersion system, Emulsified Dispersion tied up under 80 DEG C of water-baths and is slowly added to thermosetting property phenol
Urea formaldehyde（The volume ratio of resin and water is 1: 5）, hexa curing agent is added（The volume ratio of curing agent and resin is 1:
10）, it is 2 to adjust pH with the HCl solution of 6mol/L, and be heating and curing 3h in 90 DEG C of water-baths, filtering, obtains orange-yellow small suspension
Grain, 20min is heated to get closed pore micro-sphere material by suspended particulate at 65 DEG C；Common scrap glass is rinsed well with clear water,
It shines to parching, the particle of 1mm is ground into crusher, then be milled to 10 μm of median, cross 100 mesh stainless steel mesh, obtain useless
Glass powder, in mass ratio 1: 2 mixes the poly-vinyl alcohol solution that waste glass powder and mass fraction are 7%, obtains suspension, by weight
Number meter weighs 100 parts of suspension, 0.1 part of calcium carbonate respectively（Sieving number is 80 mesh）, 0.05 part boric acid, 0.16
Part getter, 1 part of vaseline, 3 parts of closed pore micro-sphere material, getter, calcium carbonate, boric acid and micro- are added in suspension
Ball material is poured into and is evenly coated in the mold of vaseline after mixing, is put into centrifuge and is centrifuged under 5000r/min rotating speeds
5min, taking-up are placed in Muffle furnace, are sintered foaming using stepped heating mode, condition is：With the liter of 5 DEG C/min
Warm rate keeps the temperature 30min from room temperature to 400 DEG C, is then warming up to 750 DEG C, then 15 DEG C/min heatings with 10 DEG C/min
To 1200 DEG C, and 40min is kept the temperature, is demoulded after cooling, obtain high intensity even porous foam glass.
Water, ethyl orthosilicate and polyacrylic acid are sequentially added in three-necked flask at 25: 2: 4 by volume, with 850r/min
Rate stirring, form stable emulsion dispersion system, Emulsified Dispersion tied up under 85 DEG C of water-baths and is slowly added to thermosetting property phenol
Urea formaldehyde（The volume ratio of resin and water is 1: 5）, hexa curing agent is added（The volume ratio of curing agent and resin is 1:
10）, it is 2.5 to adjust pH with the HCl solution of 6mol/L, and be heating and curing 3h in 92 DEG C of water-baths, and filtering obtains orange-yellow small suspension
Suspended particulate is heated 25min to get closed pore micro-sphere material by particle at 67 DEG C；Common scrap glass is rinsed with clear water and is done
Only, it shines to parching, the particle of 1.5mm is ground into crusher, then be milled to 13 μm of median, cross 150 mesh stainless steel mesh,
Waste glass powder is obtained, in mass ratio 1: 2 mixes the poly-vinyl alcohol solution that waste glass powder and mass fraction are 7%, obtains suspension, presses
Parts by weight meter weighs 110 parts of suspension, 0.15 part of calcium carbonate respectively（Sieving number is 140 mesh）, 0.075 part of boron
Acid, 0.58 part of getter, 2 parts of vaseline, 5 parts of closed pore micro-sphere material, in suspension be added getter, calcium carbonate,
Boric acid and micro-sphere material are poured into and are evenly coated in the mold of vaseline after mixing, are put into centrifuge and are turned in 5000r/min
Speed is lower to centrifuge 7min, and taking-up is placed in Muffle furnace, is sintered foaming using stepped heating mode, condition is：With 5
DEG C/heating rate of min keeps the temperature 35min from room temperature to 425 DEG C, 775 DEG C, then 15 are then warming up to 10 DEG C/min
DEG C/min is warming up to 1200 DEG C, and keeps the temperature 50min, it is demoulded after cooling, obtains high intensity even porous foam glass.
Water, ethyl orthosilicate and polyacrylic acid are sequentially added in three-necked flask at 25: 2: 4 by volume, with 900r/min
Rate stirring, form stable emulsion dispersion system, Emulsified Dispersion tied up under 90 DEG C of water-baths and is slowly added to thermosetting property phenol
Urea formaldehyde（The volume ratio of resin and water is 1: 5）, hexa curing agent is added（The volume ratio of curing agent and resin is 1:
10）, it is 3 to adjust pH with the HCl solution of 6mol/L, and be heating and curing 4h in 94 DEG C of water-baths, filtering, obtains orange-yellow small suspension
Grain, 30min is heated to get closed pore micro-sphere material by suspended particulate at 70 DEG C；Common scrap glass is rinsed well with clear water,
It shines to parching, the particle of 2mm is ground into crusher, then be milled to 15 μm of median, cross 200 mesh stainless steel mesh, obtain useless
Glass powder, in mass ratio 1: 2 mixes the poly-vinyl alcohol solution that waste glass powder and mass fraction are 7%, obtains suspension, by weight
Number meter weighs 120 parts of suspension, 0.2 part of calcium carbonate respectively（Sieving number is 200 mesh）, 0.1 part boric acid, 0.2 part
Getter, 3 parts of vaseline, 6 parts of closed pore micro-sphere material, getter, calcium carbonate, boric acid and microballoon are added in suspension
Material is poured into and is evenly coated in the mold of vaseline after mixing, is put into centrifuge and is centrifuged under 5000r/min rotating speeds
10min, taking-up are placed in Muffle furnace, are sintered foaming using stepped heating mode, condition is：With 5 DEG C/min's
Heating rate keeps the temperature 40min from room temperature to 450 DEG C, is then warming up to 800 DEG C, then 15 DEG C/min liters with 10 DEG C/min
Temperature keeps the temperature 60min to 1200 DEG C, is demoulded after cooling, obtains high intensity even porous foam glass.
The foam glass of high intensity even porous foam glass and the production of Shandong company prepared by the present invention is examined
It surveys, specific testing result such as following table table 1：
（1）Bulk density is tested：
Bulk density refers to unit volume material（Including the stomata that material internal is all）Quality.In this experiment using it is several where
The bulk density of method determination sample.Crystallite foaming glass cutting machine cutting prepared by firing is polished into regular volume profiles
Bulk sample repeatedly accurately measures its length, width and height with vernier caliper, is calculating volume V, and wherein length, width and height are
Its average value is taken after repeatedly measuring.Claim quality m when its drying with electronic balance again0.Sample is calculated using density formula
Bulk density：
ρa=m0/V
ρ in formulaa--- bulk density, unit：g/cm3；
m0--- the quality of dry sample, unit：g；
The volume of V --- sample, unit：cm3。
The porosity is tested：
The porosity is the percentage that middle pore volume accounts for material total volume.The measurement of the porosity uses sample in this experiment
The bulk density and real density of product calculates, and computational methods are shown in formula：
P=1-ρa/ρt
P in formula --- the porosity, unit：%；
Ρ t --- real density, unit：g/cm3.ρ t are the density under the completely dense state of material, with drying sample in experiment
Powder density is used as real density to calculate
（3）Water absorption rate test：
Water absorption rate is calculated with the absorb water variation percentage of front and back quality of sample, and testing procedure is as follows:
（1）Quality m when sample drying is weighed first0；
（2）Sample is put into deionized water, impregnates 2h at normal temperatures；
（3）Sample is taken out, the water of sample surfaces adherency is sponged, weighs quality m immediately0
The calculation formula of water absorption rate such as formula:
W=(m-m0)/m0
W-water absorption rate, unit in formula：%；
M, m0 are respectively the quality after sample soaks and before immersion, unit：g.
The density of sample, water absorption rate respectively refer to foam glass product standard (JC/T647.2005] and U.S.'s testing standard
(C240, C303) is executed.
Bending strength test：
Bending strength is that material resists the not broken ability of bending.Sample is processed into the rectangular shape of rule in experiment, and bending resistance is strong
Degree uses three-point bending method（GB228-87）It is measured.
1 crystallite foaming glass properties of table characterizes
The crystallite foaming glass density of the invention prepared is small as shown in Table 1, intensity is high, there is the stomata knot being largely evenly distributed
Structure, size air vent aperture are not much different, and have very important economy and ecological benefits.
Claims (5)
1. a kind of preparation method of high intensity even porous foam glass, it is characterised in that specifically preparation process is：
（1）Water, ethyl orthosilicate and polyacrylic acid are sequentially added in three-necked flask at 25: 2: 4 by volume, and stirring, which is formed, stablizes
Emulsion dispersion system, Emulsified Dispersion is tied up under water-bath and is slowly added to thermosetting phenolic resin, be added hexa
Curing agent, it is 2~3 to adjust pH, and heating water bath solidification, filtering obtains orange-yellow small suspended particulate, suspended particulate is heated, is obtained
Closed pore micro-sphere material；
（2）Common scrap glass is rinsed well, naturally dry with clear water, the particle of 1~2mm of diameter is ground into crusher,
It is milled to 10~15 μm of median again, crosses 100~200 mesh stainless steel mesh, obtains waste glass powder；
（3）In mass ratio 1: 2 mixes the poly-vinyl alcohol solution that waste glass powder and mass fraction are 7%, obtains suspension, by weight
Number meter weighs 100~120 parts of suspension, 0.1~0.2 part of calcium carbonate, 0.05~0.10 part of boric acid, 0.16 respectively
Getter, carbon is added in~0.20 part of getter, 1~3 part of vaseline, 3~6 parts of closed pore micro-sphere material in suspension
Sour calcium, boric acid and micro-sphere material are poured into and are evenly coated in the mold of vaseline after mixing, are centrifuged, and it is heavy to collect lower layer
Shallow lake is placed in Muffle furnace；
（4）Foaming is sintered using staged heating mode, is demoulded after cooling, obtains high intensity even porous foam glass
Glass.
2. a kind of preparation method of high intensity even porous foam glass according to claim 1, it is characterised in that：Step
（1）The thermosetting phenolic resin is 1 with emulsion dispersion system volume ratio:5.
3. a kind of preparation method of high intensity even porous foam glass according to claim 1, it is characterised in that：Step
（1）The volume ratio of the curing agent and thermosetting phenolic resin is 1: 10.
4. a kind of preparation method of high intensity even porous foam glass according to claim 1, it is characterised in that：Step
（3）The calcium carbonate size is 80~200 mesh.
5. a kind of preparation method of high intensity even porous foam glass according to claim 1, it is characterised in that：Step
（4）The staged Elevated Temperature Conditions are, with the heating rate of 5 DEG C/min from room temperature to 400~450 DEG C, and keep the temperature 30
Then~40min is warming up to 750~800 DEG C with 10 DEG C/min, then 15 DEG C/min is warming up to 1200 DEG C, and keep the temperature 40min~
60min。
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| CN201810569217.2A CN108483931A (en) | 2018-06-05 | 2018-06-05 | A kind of preparation method of high intensity even porous foam glass |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810569217.2A CN108483931A (en) | 2018-06-05 | 2018-06-05 | A kind of preparation method of high intensity even porous foam glass |
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| CN108483931A true CN108483931A (en) | 2018-09-04 |
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ID=63342057
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911845A (en) * | 2006-08-23 | 2007-02-14 | 陕西科技大学 | Preparation method of through hole foamed glass |
| CN102643013A (en) * | 2012-04-28 | 2012-08-22 | 浙江德和绝热科技有限公司 | Method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass |
| WO2013154499A1 (en) * | 2012-04-11 | 2013-10-17 | Ngee Ann Polytechnic | A method for producing a foam glass with high open pore content |
| CN105523542A (en) * | 2015-11-11 | 2016-04-27 | 陕西玉航电子有限公司 | Preparation method for closed-cell carbosphere foam material |
-
2018
- 2018-06-05 CN CN201810569217.2A patent/CN108483931A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911845A (en) * | 2006-08-23 | 2007-02-14 | 陕西科技大学 | Preparation method of through hole foamed glass |
| WO2013154499A1 (en) * | 2012-04-11 | 2013-10-17 | Ngee Ann Polytechnic | A method for producing a foam glass with high open pore content |
| CN102643013A (en) * | 2012-04-28 | 2012-08-22 | 浙江德和绝热科技有限公司 | Method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass |
| CN105523542A (en) * | 2015-11-11 | 2016-04-27 | 陕西玉航电子有限公司 | Preparation method for closed-cell carbosphere foam material |
Non-Patent Citations (1)
| Title |
|---|
| 安燕: "《物理化学》", 28 February 2011, 贵州大学出版社 * |
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Application publication date: 20180904 |