CN105198194A - Method for producing micro-pore foam glass - Google Patents
Method for producing micro-pore foam glass Download PDFInfo
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- CN105198194A CN105198194A CN201510641243.8A CN201510641243A CN105198194A CN 105198194 A CN105198194 A CN 105198194A CN 201510641243 A CN201510641243 A CN 201510641243A CN 105198194 A CN105198194 A CN 105198194A
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Abstract
The invention discloses a method for producing micro-pore foam glass. The method includes: smashing and grinding glass to obtain glass fine powder; mixing the glass fine powder with methyl methacrylate, ethylene-vinyl acetate copolymer and azodiisobutyronitrile, heating, and stirring while keeping the temperature to obtain modified fine powder; mixing the modified fine powder with water, sodium polyacrylate, ammonium phosphate, sodium tetraborate, phenolic resin and dispersing agent, and ball milling to obtain foam slurry; mixing the foam slurry with teflon and terpilenol, rolling and pressing, and annealing to obtain the micro-pore foam glass. The micro-pore foam glass produced by the method is good in acid resistance, good in thermal shock resistance, high in mechanical strength, good in anti-scouring performance, low in heat conduction coefficient and even in air pore structure.
Description
Technical field
The invention belongs to technical field of inorganic material, be specifically related to a kind of method preparing fine-celled foam glass.
Background technology
Multicellular glass is for main raw material with materials such as scrap glass, flyash, mica, perlite, pumice sand, volcanic ash, add whipping agent, properties-correcting agent, promotor etc., broken and be uniformly mixed into admixtion through fine powder, place in a particular mold through 750 ~ 900 DEG C of heating temperatures, a kind of inside that Glass Transition, foaming, annealing are formed is full of the porous glass material of countless uniform bubble.Multicellular glass has the physical propertiess such as density is little, intensity is high, thermal conductivity is little, it not only has glass material permanent, security inherently, reliability, anti-chemical corrodibility and not by advantages such as ant mouse infringements, and compared with other material of construction, also there is heat insulating, waterproof and dampproof, fire prevention, acid and alkali-resistance, a series of high-performance such as density is little, physical strength is high, sound absorption.
The method that tradition prepares multicellular glass has following two kinds: 1, by after the glass grinds for preparing, add whipping agent, then reheats and prepare multicellular glass; 2, directly by after raw mineral materials grinds, add whipping agent, multicellular glass is prepared in heating.Above-mentioned two kinds of methods all need starting material grinds, and then introduce whipping agent and heat, this milling process have noise large, pollute the shortcoming large, cost is high, improve cost, and be unfavorable for environmental protection.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and a kind of method preparing fine-celled foam glass is provided, gained fine-celled foam glass acid resistance is good, good thermal shock stability, physical strength are high, scour resistance good, thermal conductivity is low, air hole structure is even.
Prepare a method for fine-celled foam glass, comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 20 ~ 30 parts, methyl methacrylate 2 ~ 6 parts, ethylene-vinyl acetate copolymer 1 ~ 5 part, Diisopropyl azodicarboxylate 2 ~ 4 parts mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 10 ~ 15 parts, modification fine powder and water, sodium polyacrylate 2 ~ 6 parts, 1 ~ 4 part, ammonium phosphate, sodium tetraborate 3 ~ 5 parts, 2 ~ 4 parts, resol, dispersion agent 3 ~ 9 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 2 ~ 5 parts, Terpineol 350 1 ~ 4 part, through prolonging pressure, annealing, to obtain final product.
Further, the granularity of step 1 gained glass fine powder is 200 ~ 300 orders.
Further, in step 2, Heating temperature is 70 ~ 90 DEG C.
Further, in step 2, stirring velocity is 200 ~ 300rpm, and churning time is 10 ~ 15min.
Further, dispersion agent described in step 3 is tripoly phosphate sodium STPP.
Further, in step 4, annealing temperature is 600 ~ 800 DEG C, and the time is 2 ~ 4h.
Further, also need in step 3 to add polyvinyl formal 0.2 ~ 0.9 part.
The fine-celled foam glass acid resistance of gained of the present invention is good, good thermal shock stability, physical strength are high, scour resistance good, thermal conductivity is low, air hole structure is even.
Embodiment
Embodiment 1
Prepare a method for fine-celled foam glass, comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 20 parts, methyl methacrylate 2 parts, ethylene-vinyl acetate copolymer 1 part, Diisopropyl azodicarboxylate 2 parts mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 10 parts, modification fine powder and water, sodium polyacrylate 2 parts, 1 part, ammonium phosphate, sodium tetraborate 3 parts, 2 parts, resol, dispersion agent 3 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 2 parts, Terpineol 350 1 part, through prolonging pressure, annealing, to obtain final product.
Wherein, the granularity of step 1 gained glass fine powder is 200; In step 2, Heating temperature is 70 DEG C, and stirring velocity is 200rpm, and churning time is 15min; Dispersion agent described in step 3 is tripoly phosphate sodium STPP; In step 4, annealing temperature is 600 DEG C, and the time is 4h.
Embodiment 2
Prepare a method for fine-celled foam glass, comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 23 parts, methyl methacrylate 5 parts, ethylene-vinyl acetate copolymer 2 parts, Diisopropyl azodicarboxylate 3 parts mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 14 parts, modification fine powder and water, sodium polyacrylate 5 parts, 2 parts, ammonium phosphate, sodium tetraborate 4 parts, 3 parts, resol, dispersion agent 8 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 4 parts, Terpineol 350 2 parts, through prolonging pressure, annealing, to obtain final product.
Wherein, the granularity of step 1 gained glass fine powder is 250; In step 2, Heating temperature is 80 DEG C, and stirring velocity is 250rpm, and churning time is 15min; Dispersion agent described in step 3 is tripoly phosphate sodium STPP; In step 4, annealing temperature is 700 DEG C, and the time is 3h.
Embodiment 3
Prepare a method for fine-celled foam glass, comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 28 parts, methyl methacrylate 5 parts, ethylene-vinyl acetate copolymer 4 parts, Diisopropyl azodicarboxylate 3 parts mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 13 parts, modification fine powder and water, sodium polyacrylate 3 parts, 2 parts, ammonium phosphate, sodium tetraborate 4 parts, 3 parts, resol, dispersion agent 7 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 4 parts, Terpineol 350 2 parts, through prolonging pressure, annealing, to obtain final product.
Wherein, the granularity of step 1 gained glass fine powder is 200; In step 2, Heating temperature is 70 DEG C, and stirring velocity is 200rpm, and churning time is 15min; Dispersion agent described in step 3 is tripoly phosphate sodium STPP; In step 4, annealing temperature is 600 DEG C, and the time is 4h.
Embodiment 4
Prepare a method for fine-celled foam glass, comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 30 parts, methyl methacrylate 6 parts, ethylene-vinyl acetate copolymer 5 parts, Diisopropyl azodicarboxylate 4 parts mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 15 parts, modification fine powder and water, sodium polyacrylate 6 parts, 4 parts, ammonium phosphate, sodium tetraborate 5 parts, 4 parts, resol, dispersion agent 9 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 5 parts, Terpineol 350 4 parts, through prolonging pressure, annealing, to obtain final product.
Wherein, the granularity of step 1 gained glass fine powder is 300; In step 2, Heating temperature is 90 DEG C, and stirring velocity is 300rpm, and churning time is 10min; Dispersion agent described in step 3 is tripoly phosphate sodium STPP; In step 4, annealing temperature is 800 DEG C, and the time is 2h.
Embodiment 5
The difference of the present embodiment and embodiment 2 is: also need in step 3 to add polyvinyl formal 0.2 ~ 0.9 part.
Prepare a method for fine-celled foam glass, comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 23 parts, methyl methacrylate 5 parts, ethylene-vinyl acetate copolymer 2 parts, Diisopropyl azodicarboxylate 3 parts, polyvinyl formal 0.7 part mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 14 parts, modification fine powder and water, sodium polyacrylate 5 parts, 2 parts, ammonium phosphate, sodium tetraborate 4 parts, 3 parts, resol, dispersion agent 8 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 4 parts, Terpineol 350 2 parts, through prolonging pressure, annealing, to obtain final product.
Wherein, the granularity of step 1 gained glass fine powder is 250; In step 2, Heating temperature is 80 DEG C, and stirring velocity is 250rpm, and churning time is 15min; Dispersion agent described in step 3 is tripoly phosphate sodium STPP; In step 4, annealing temperature is 700 DEG C, and the time is 3h.
With CN103395999 in contrast, carry out performance test to embodiment 1 to 5 gained sample, result is as follows:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Contrast | |
| Thermal shock resistance (DEG C) | 162.4 | 173.9 | 169.5 | 183.6 | 235.7 | 78.6 |
| Bubble uniformity (individual/100cm 2) | 3 | 2 | 2 | 3 | 0 | 5 |
| Quality water-intake rate (%) | 0.3 | 0.3 | 0.2 | 0.2 | 0.1 | 0.6 |
| Acidproof weightlessness (g/100cm 2) | 0.546 | 0.436 | 0.518 | 0.459 | 0.276 | 0.935 |
| Ultimate compression strength (MPa) | 1.02 | 0.97 | 1.13 | 0.99 | 1.42 | 0.83 |
| Folding strength (MPa) | 0.87 | 0.79 | 0.91 | 0.83 | 1.35 | 0.41 |
| Thermal conductivity coefficient (w/mk) | 0.678 | 0.735 | 0.821 | 0.798 | 1.235 | 0.57 |
As seen from the above table, multicellular glass thermal shock resistance of the present invention reaches 162.4 DEG C, bubble uniformity is 100cm
2exceeding diameter 100% bubble is 3, and quality water-intake rate is 0.3%, and acidproof weightlessness reaches 0.546g/100cm
2, ultimate compression strength 0.83MPa, folding strength 0.79Mpa, thermal conductivity coefficient 0.678w/mk.Owing to adding polyvinyl formal in embodiment 5, properties is all increased.
Claims (7)
1. prepare a method for fine-celled foam glass, it is characterized in that: comprise the following steps:
Step 1, pulverizes glass, grinds, obtain glass fine powder;
Step 2, with parts by weight, by glass fine powder 20 ~ 30 parts, methyl methacrylate 2 ~ 6 parts, ethylene-vinyl acetate copolymer 1 ~ 5 part, Diisopropyl azodicarboxylate 2 ~ 4 parts mixing, heating, insulated and stirred, obtains modification fine powder;
Step 3, with parts by weight, 10 ~ 15 parts, modification fine powder and water, sodium polyacrylate 2 ~ 6 parts, 1 ~ 4 part, ammonium phosphate, sodium tetraborate 3 ~ 5 parts, 2 ~ 4 parts, resol, dispersion agent 3 ~ 9 parts are mixed, ball milling, obtains foamed slurry;
Step 4, with parts by weight, mixes foamed slurry and tetrafluoroethylene 2 ~ 5 parts, Terpineol 350 1 ~ 4 part, through prolonging pressure, annealing, to obtain final product.
2. the method preparing fine-celled foam glass according to claim 1, is characterized in that: the granularity of step 1 gained glass fine powder is 200 ~ 300 orders.
3. the method preparing fine-celled foam glass according to claim 1, is characterized in that: in step 2, Heating temperature is 70 ~ 90 DEG C.
4. the method preparing fine-celled foam glass according to claim 1, is characterized in that: in step 2, stirring velocity is 200 ~ 300rpm, and churning time is 10 ~ 15min.
5. the method preparing fine-celled foam glass according to claim 1, is characterized in that: dispersion agent described in step 3 is tripoly phosphate sodium STPP.
6. the method preparing fine-celled foam glass according to claim 1, is characterized in that: in step 4, annealing temperature is 600 ~ 800 DEG C, and the time is 2 ~ 4h.
7. the method preparing fine-celled foam glass according to claim 1, is characterized in that: also need in step 3 to add polyvinyl formal 0.2 ~ 0.9 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641243.8A CN105198194A (en) | 2015-09-30 | 2015-09-30 | Method for producing micro-pore foam glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641243.8A CN105198194A (en) | 2015-09-30 | 2015-09-30 | Method for producing micro-pore foam glass |
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| CN105198194A true CN105198194A (en) | 2015-12-30 |
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| CN201510641243.8A Pending CN105198194A (en) | 2015-09-30 | 2015-09-30 | Method for producing micro-pore foam glass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043207A (en) * | 2017-05-31 | 2017-08-15 | 江苏精盾节能科技有限公司 | A kind of preparation method of foam glass |
| CN107399913A (en) * | 2017-08-01 | 2017-11-28 | 合肥利裕泰玻璃制品有限公司 | A kind of fine-celled foam glass and preparation method thereof |
| CN112811822A (en) * | 2021-02-08 | 2021-05-18 | 廊坊新时代化工建材有限公司 | High borosilicate foam glass and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398903A (en) * | 2001-02-23 | 2003-02-26 | 蒋平平 | Microemulsion synthesis process of metal-containing organic glass |
| CN102515829A (en) * | 2011-12-23 | 2012-06-27 | 北京化工大学 | Inorganic foaming heat-insulation material and preparation method thereof |
| CN103553343A (en) * | 2013-10-31 | 2014-02-05 | 河北勇龙邦大新材料有限公司 | Method for preparing microporous foam glass by use of waste glass |
| CN104909546A (en) * | 2015-06-05 | 2015-09-16 | 上海第二工业大学 | Method for preparing micro-crystallographic foamed glass by using waste CRT (cathode ray tube) screen glass |
-
2015
- 2015-09-30 CN CN201510641243.8A patent/CN105198194A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398903A (en) * | 2001-02-23 | 2003-02-26 | 蒋平平 | Microemulsion synthesis process of metal-containing organic glass |
| CN102515829A (en) * | 2011-12-23 | 2012-06-27 | 北京化工大学 | Inorganic foaming heat-insulation material and preparation method thereof |
| CN103553343A (en) * | 2013-10-31 | 2014-02-05 | 河北勇龙邦大新材料有限公司 | Method for preparing microporous foam glass by use of waste glass |
| CN104909546A (en) * | 2015-06-05 | 2015-09-16 | 上海第二工业大学 | Method for preparing micro-crystallographic foamed glass by using waste CRT (cathode ray tube) screen glass |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043207A (en) * | 2017-05-31 | 2017-08-15 | 江苏精盾节能科技有限公司 | A kind of preparation method of foam glass |
| CN107399913A (en) * | 2017-08-01 | 2017-11-28 | 合肥利裕泰玻璃制品有限公司 | A kind of fine-celled foam glass and preparation method thereof |
| CN112811822A (en) * | 2021-02-08 | 2021-05-18 | 廊坊新时代化工建材有限公司 | High borosilicate foam glass and preparation method thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Sun Zhenbin Inventor after: Su Fu Inventor after: Sun Jun Inventor after: Zou Wei Inventor after: Zhao Qing Inventor after: Tong Pengfei Inventor before: Sun Jun Inventor before: Zou Wei Inventor before: Zhao Qing Inventor before: Tong Pengfei |
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Application publication date: 20151230 |