WO2017043850A1 - Verre cellulaire de type granulaire, procédé de formation d'une couche de revêtement en verre cellulaire et matériau calorifuge ininflammable utilisant celui-ci - Google Patents

Verre cellulaire de type granulaire, procédé de formation d'une couche de revêtement en verre cellulaire et matériau calorifuge ininflammable utilisant celui-ci Download PDF

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Publication number
WO2017043850A1
WO2017043850A1 PCT/KR2016/009996 KR2016009996W WO2017043850A1 WO 2017043850 A1 WO2017043850 A1 WO 2017043850A1 KR 2016009996 W KR2016009996 W KR 2016009996W WO 2017043850 A1 WO2017043850 A1 WO 2017043850A1
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Prior art keywords
glass
binder
foamed glass
foamed
waste glass
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PCT/KR2016/009996
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English (en)
Korean (ko)
Inventor
박상엽
김성진
송준호
Original Assignee
강릉원주대학교산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from KR1020160113897A external-priority patent/KR102069187B1/ko
Application filed by 강릉원주대학교산학협력단 filed Critical 강릉원주대학교산학협력단
Priority to CN201680051679.4A priority Critical patent/CN107949610A/zh
Publication of WO2017043850A1 publication Critical patent/WO2017043850A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • 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
    • C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives

Definitions

  • the present invention relates to a method for forming a granular foamed glass and foamed glass coating layer and a non-combustible heat insulating material using the same, and specifically, to a method for forming a granular foamed glass and foamed glass coating layer using waste glass as a raw material and a non-combustible heat insulating material using the same. It is about.
  • Foamed glass is lightweight and has excellent performance in flame protection, heat insulation, heat resistance, sound absorption, etc., and is used when industrial equipment waterproof, heat resistance, and durability are required. Especially, it is used as a good thermal insulation material and sound absorbing material in structures or buildings.
  • foam glass was already proposed in the late 1930s.
  • a special composition of glass is mixed with a reducing agent, such as carbon, and a foaming agent containing an oxide, sulfate or other type of oxidizing component, pulverized, and then pulverized. It is fired until softened or melted.
  • oxidation between the carbon and sulfur oxides (or oxidizing agent or an oxide of a glass) the reduction taking place as a result of molten glass is SO 2, CO 2, N 2 , H 2 , and it contains a S or other gas it Porosity is formed in the glass, making materials that form a low density, resistant to thermal conduction and radiation.
  • the structure of the glass has a closed pore free of water, water vapor, or other liquids and gases.
  • the glass thus prepared is pulverized and mixed well by adding a carbon component, which is a foaming aid that reacts with other ingredients to produce a gas that acts as a direct blowing agent, and then mixes the mixed raw glass powder for producing foamed glass in a predetermined container.
  • a carbon component which is a foaming aid that reacts with other ingredients to produce a gas that acts as a direct blowing agent
  • the product is pre-heated at 400-650 ° C, foamed under 800-900 ° C, and subjected to heat treatment such as cooling and slow cooling for stabilization.
  • the heat treatment temperature during melting becomes 1300-1600 ° C., which requires a large amount of energy, and thus requires facility investment and management costs.
  • the production cost of raw glass accounts for more than half of the production cost of foam glass.
  • the present invention is directed to solving this problem of the prior art, which utilizes waste glass to provide an efficient function with uniform pore distribution without the need for melting, hydrolysis or any other pre-processing of the glass to make a special composition.
  • An object of the present invention is to provide a method for producing granular foamed glass and a foamed glass coating layer and a non-combustible heat insulating material using the same.
  • these problems are exemplary, and the scope of the present invention is not limited thereby.
  • the granular foamed glass forming method comprises the steps of preparing a waste glass in powder form; A second step of mixing the powdered waste glass with a binder to form a shaped body in granule form; And a third step of firing and foaming the molded body in the form of granules.
  • the second step may include mixing the powdered waste glass with a binder to form granulated waste glass.
  • the binder of the second step may include methyl cellulose or polyvinyl alcohol, and the binder may be included in an amount of 8 to 12 wt% in the granular waste glass.
  • the second step is a step of mixing the waste glass in the powder form with a binder and a solvent to form a kneaded material for the extrusion molded body; Extruding the kneaded product for extrusion molding to form an extrudate; And cutting the extrudate to form a granular extrudate; It may include.
  • the binder of the second step may include methyl cellulose or polyvinyl alcohol, and the binder may be included in an amount of 1 to 5 wt% in the kneaded product for extrusion molding.
  • the first step of preparing the waste glass in powder form The step of grinding the waste glass; And milling the waste glass.
  • the waste glass may comprise waste glass of sodium-silicate or boroalumino-silicate composition.
  • a third step of firing and foaming the molded body of the granule form may include the step of firing the molded body of the granule form for 1 to 4 hours at 800 to 1100 °C.
  • the foamed glass coating layer forming method includes mixing the above-described granular foamed glass with an inorganic binder to form a foamed glass mixture; And coating the foam glass mixture on at least a portion of the object.
  • the inorganic binder includes an inorganic silicate solution, and the content of the inorganic binder in the foamed glass mixture may be 25 to 50 wt%.
  • the non-combustible insulation is an object; And the foamed glass coating layer described above on a surface of the object.
  • the object may include styrofoam, plastic, metal, wood or ceramic.
  • the process is simplified to produce a foamed glass with excellent aesthetic characteristics with a uniform pore structure while easy process control. It can be used in various architectural and environmental articles.
  • the effects of the present invention are not limited to those mentioned above, and other effects, which are not mentioned above, will be clearly understood by those skilled in the art from the following description.
  • FIG. 1 is a flow chart showing a foamed glass coating layer forming method according to an embodiment of the present invention.
  • Figure 2 is a graph showing the characteristics of the granulated foam glass is performed in the foamed glass coating layer forming method according to an embodiment of the present invention, the step of firing and foaming the waste glass in the form of granules.
  • 3A and 3B are SEM pictures of granulated foamed glass obtained by firing and foaming granules of waste glass in a foamed glass coating layer forming method according to an embodiment of the present invention.
  • Figure 4 is a flow chart showing a foamed glass coating layer forming method according to a modified embodiment of the present invention.
  • FIG. 5 is a photograph (left) and an enlarged photograph (right) of a portion of a kneaded product and dried extrudate using an extruder.
  • 6A and 6B are photographs of a sample granulated by cutting the extrudate and a sample fired.
  • Figure 7 is a graph showing the characteristics of the granulated foam glass is subjected to the step of firing and foaming granules extrudate according to a modified embodiment of the present invention.
  • 8A and 8B are SEM photographs of granulated foamed glass which is subjected to a step of firing and foaming a granule-shaped extrudate according to a modified embodiment of the present invention.
  • 9A and 9B are SEM images of a cross section of a nonflammable heat insulating material according to another embodiment of the present invention.
  • FIG. 10 is a photograph of a non-combustible heat insulating material according to various other embodiments of the present invention.
  • FIG. 11 is a photograph showing the results of a flame radiation test for the non-combustible heat insulating material according to another embodiment of the present invention and the heat insulating material according to the comparative example.
  • the present invention is characterized by producing foamed glass by directly foaming the waste glass without undergoing other special pretreatment process for the production of the foamed glass using waste glass, which is generally produced in life or industry.
  • FIG. 1 is a flowchart showing step-by-step method of forming a granular foamed glass (S110 to S150) and foamed glass coating layer forming method (S110 to S170) according to an embodiment of the present invention.
  • S110 to S150 granular foamed glass
  • S110 to S170 foamed glass coating layer forming method
  • waste glass is prepared as a foamed glass raw material (S110).
  • the waste glass comprises, for example, waste glass in a sodium-silicate or boroalumino-silicate composition. This is because when the sodium-silicate or boroalumino-silicate composition waste glass is used as a raw material of the foamed glass, the foamed glass can be manufactured without the addition of a foaming agent.
  • the prepared waste glass is ground and milled to prepare a raw material powder for foaming (S120, S130).
  • the prepared waste glass is pulverized by a wet grinding process using a grinding device such as a disk mill, a ball mill.
  • a grinding device such as a disk mill, a ball mill.
  • at least one solvent selected from the group consisting of water, ethyl alcohol, methyl alcohol and acetone may be used.
  • the grinding of the waste glass may proceed through a plurality of steps for efficient grinding.
  • the waste glass may be first roughly pulverized by a dry method such as a jaw crusher or a disk mill, and then secondly pulverized into finer powders by a wet grinding process using a pulverizer such as a ball mill or a bead mill.
  • the binder may include methyl cellulose or polyvinyl alcohol, and preferably, the binder may be included in an amount of 8 to 12 wt% in the granular waste glass.
  • the content of the binder is lower than 8 wt%, the binding between the waste glass powder becomes poor, and when the content of the binder is higher than 12 wt%, the average shape is not realized in the form of granules.
  • the granulated waste glass is fired and foamed (S150).
  • the granulated waste glass may be fired at 800 to 1100 ° C. for 1 to 4 hours.
  • Figure 2 is a graph showing the characteristics of the granulated foam glass is performed by the step (S150) of firing and foaming the waste glass of the granule form in the foamed glass coating layer forming method according to an embodiment of the present invention.
  • the average density of the granulated foam glass subjected to step S150 is 0.8286 g / cm 3
  • the porosity is 62.7%.
  • 3A and 3B are SEM images of low and high magnifications of the granulated foamed glass, in which a step of firing and foaming the granulated waste glass in the foamed glass coating layer forming method according to an embodiment of the present invention, respectively. .
  • a step of firing and foaming the granulated waste glass in the foamed glass coating layer forming method according to an embodiment of the present invention respectively.
  • the pores are present in the granulated foam glass is subjected to the step (S150) by firing and foaming the waste glass of the granule form.
  • Equation 1 when M in Equation 1 is Na such as a raw material glass having a specific composition, for example, sodium silicate, when water is added, H + ions in water and Na + ions in the glass are exchanged by hydrolysis. NaOH alkali solution is formed (1Step). Next, the OH- ion of the NaOH alkaline solution penetrates into the glass and destroys the SiO 2 grazing structure (2Step). Subsequently, during the plastic foaming process, the hydrolysis resulted in the decomposition of the glassy water or OH-component contained in the glass to form bubbles in the softened or molten glass particles, and thus trapped inside the glass particles. As a result, bubbles are formed in the glass to form foamed glass.
  • NaOH alkali solution is formed (1Step).
  • the OH- ion of the NaOH alkaline solution penetrates into the glass and destroys the SiO 2 grazing structure (2Step).
  • the hydrolysis resulted in the decomposition of the glass
  • the granular foamed glass produced by the manufacturing process according to the embodiment of the present invention has a uniform fine pore structure and may have excellent mechanical properties and excellent aesthetics.
  • the physical properties of the foamed glass produced by the manufacturing method can exhibit a density value of 0.287 g / cm 3 , a porosity of 88%, a compressive strength of 1.4 MPa, and a thermal conductivity of 0.070 kcal / mh °C at 25 °C have.
  • Figure 4 is a flow chart showing a method (S10 to S70) of forming a granular foamed glass according to a modified embodiment of the present invention.
  • the granular foamed glass forming method comprises the steps of preparing a waste glass in powder form; Mixing the waste glass in powder form with a binder and a solvent to obtain a kneaded material for an extruded body; Extruding the kneaded material into a desired shape to obtain a molded body; And calcining and extruding the extrudate in the form of granules.
  • waste glass is prepared as a foamed glass raw material (S10).
  • the waste glass comprises, for example, waste glass in a sodium-silicate or boroalumino-silicate composition. This is because when the sodium-silicate or boroalumino-silicate composition waste glass is used as a raw material of the foamed glass, the foamed glass can be manufactured without the addition of a foaming agent.
  • the prepared waste glass is ground and milled to prepare a raw material powder for foaming (S20, S30).
  • the prepared waste glass is pulverized by a wet grinding process using a grinding device such as a disk mill, a ball mill.
  • a grinding device such as a disk mill, a ball mill.
  • at least one solvent selected from the group consisting of water, ethyl alcohol, methyl alcohol and acetone may be used.
  • the grinding of the waste glass may proceed through a plurality of steps for efficient grinding.
  • the waste glass may be first roughly pulverized by a dry method such as a jaw crusher or a disk mill, and then secondly pulverized into finer powders by a wet grinding process using a pulverizer such as a ball mill or a bead mill.
  • the size of the powder may be adjusted to have a size of 1 to 10 ⁇ m in consideration of the economical cost of the powder.
  • the binder may include methyl cellulose or polyvinyl alcohol, and preferably, the content of the binder is 1 to 5 wt%. If the content of the binder is lower than 1 wt%, the bonding between the waste glass powder becomes poor, and if the content of the binder is higher than 5 wt%, extrusion failure may appear in subsequent extrusion processes.
  • the addition amount of the solvent is preferably 10wt% to 60wt%, particularly 25wt% to 45wt%.
  • FIG. 5 is a photograph (left) and an enlarged photograph (right) of a portion of a kneaded product and dried extrudate using an extruder.
  • the kneaded material for the extruded product is extruded using an extruder to obtain an extrudate of a desired shape and size (see FIG. 5), and the extruded product is dried (S60).
  • an extrusion process was performed by selecting an extrusion molding mold capable of producing a thin cylindrical shape.
  • Drying of the extrudate can be carried out by selecting a natural drying through heat drying using an electric oven or the like and left in the air.
  • Figure 6a is a photograph of a sample granulated by cutting the extrudate
  • Figure 6b is a photograph of a sample calcined the resultant of Figure 6a
  • Figure 7 is a granulated extrudate according to a modified embodiment of the present invention It is a graph showing the characteristics of the granulated foam glass after the step of firing and foaming (S70 of Figure 4)
  • Figures 8a and 8b is a foamed by firing the extrudate of the granule form according to a modified embodiment of the present invention SEM pictures of the granulated foam glass subjected to the step of making.
  • the dried extrudate was cut to an appropriate length to obtain a granule shaped body (FIG. 6A).
  • a granule shaped body For the automated process, by attaching a cutter to the ejection part of the extruder and rotating and cutting the granules extruded in a continuous process. By controlling the diameter of the mold and the speed of the rotary cutter during extrusion, the diameter and length of the granules can be obtained in the desired shape.
  • the granulated extrudate may be calcined at 800 to 1100 ° C. for 1 to 4 hours (S70, FIG. 6B).
  • the average density of the granular foamed glass in which step S70 was performed was 0.7122 g / cm 3 , and the porosity was 71.4%.
  • 8A and 8B are electron micrographs taken at low and high magnifications of the granular foamed glass, each of which is subjected to the step of firing and foaming the granular extrudates according to the modified embodiment of the present invention. 8A and 8B, it can be seen that pores are present in the granulated foamed glass in which the granulated extrudate is calcined and foamed (S70).
  • Colored foam glass can be realized by adding a metal oxide to the waste glass powder as a colorant.
  • the metal oxide used as the colorant may be, for example, cobalt oxide (Co 3 O 4 ) or manganese oxide (MnO 3 ).
  • Metal oxides which are colorants, may be added to the process of grinding the waste glass.
  • the waste glass powder may be prepared by adding the metal oxide to the waste glass powder prepared by primary coarse grinding of the prepared waste glass by dry grinding, and then performing the second fine grinding by the wet grinding process.
  • the metal oxide may be added to the powder completed until the second fine grinding, and then the subsequent process may be performed.
  • the metal oxide is added before the firing and foaming process, such as adding a metal oxide before crushing the prepared waste glass and proceeding the crushing process, or preparing a final waste glass powder by pulverizing the waste glass and then adding a metal oxide before molding. If it does, it can be any way.
  • the unfoamed precursor refers to a glass that is in a state in which foaming has not yet occurred or in a state in which foaming may occur as it is heated.
  • the unfoamed precursor may be a glass powder or a bulk form (including a molded body formed by pressing the glass powder) having a predetermined shape.
  • both the macroscopic and the microscopic viewpoints are measured by measuring the change in length or volume of the molded product generated by foaming under various conditions using an expansion coefficient measuring device without using such a high temperature microscope. It is possible to predict the foam generation zone and behavior of the glass to be satisfied.
  • the method for predicting the foam section of the glass of the present invention has a technical feature of observing the thermal behavior of the glass by using the curve for shrinkage or expansion through the coefficient of expansion coefficient measuring equipment more accurate foaming in the production of foam glass Enable temperature range setting.
  • the calcined waste glass (or granular extrudates) is mixed with an inorganic binder to form a foamed glass mixture.
  • Forming step (S160 of Figure 1) and the step of coating the foam glass mixture on the object (S170 of Figure 1) is performed sequentially.
  • the inorganic binder may include an inorganic silicate solution, and preferably, the content of the inorganic binder may be 25 to 50 wt% in the foamed glass mixture formed.
  • a non-combustible heat insulating material having a foam glass coating layer formed on the object.
  • the object may include styrofoam, plastic, metal, wood, or ceramic.
  • the calcined granulated foam glass is mixed with an inorganic binder and poured into a mold of a desired shape to dry, it is also possible to make a heat insulating material of a certain form.
  • the inorganic binder may include an inorganic silicate-based solution, preferably, the content of the inorganic binder in the foamed glass mixture may be 25 to 50 wt%.
  • the foam glass mixture may be coated on the surface of the object requiring heat insulation or poured into a gap between the objects to form a non-combustible heat insulation filled layer having granular foam glass applied thereto.
  • the present inventors observed the non-combustible heat insulating material formed by forming the above-mentioned foam glass coating layer on the styrofoam as a non-combustible heat insulating material according to another embodiment of the present invention, and it is confirmed that the color of the non-combustible heat insulating material is different if the thickness of the foam glass coating layer is different.
  • the color of the non-combustible heat insulating material is different if the thickness of the foam glass coating layer is different.
  • FIG. 9A and 9B are SEM images of a cross section of a nonflammable heat insulating material according to another embodiment of the present invention.
  • FIG. 9A is a measurement of thicknesses d1, d2, and d3 of the above-described foamed glass coating layer formed on styrofoam as a non-combustible heat insulating material according to an embodiment of the present invention
  • FIG. 9B shows region A of the foamed glass coating layer shown in FIG. 9A. Will be enlarged.
  • the thickness of the foam glass coating layer can be modified according to the coating method. As the coating method may use spray coating and dip coating, a spray coating method may be suitable when a coating layer having a thickness (d1, d2, d3) of 5 mm or less is implemented.
  • FIG. 10 is a photograph of a non-combustible heat insulating material according to various other embodiments of the present invention. Referring to FIG. 10, it was confirmed by experiment that the above-described foam glass coating layer may be formed on various objects. That is, the experiment confirmed that the above-mentioned foam glass coating layer can be formed even when the object is alumina (a), plastic (b), wood (c), iron (d).
  • FIG. 11 is a photograph showing the results of a flame radiation test for the non-combustible heat insulating material according to another embodiment of the present invention and the heat insulating material according to the comparative example.
  • the left side of FIG. 11 is a result of performing a flame spinning test on pure styrofoam which is a heat insulating material according to a comparative example of the present invention
  • the right side of FIG. 11 is a non-combustible heat insulating material having the foamed glass coating layer formed on the styrofoam as an embodiment of the present invention. This is the result of the flame spinning test on.
  • the pure styrofoam was confirmed that at least a portion of the flame is burned, but the styrofoam formed with the foamed glass coating layer was confirmed to be nonflammable and not inflammable and expanded to the flame.
  • the foam glass coating layer formed on the styrofoam can implement a non-combustible heat insulating material by using a property that does not burn in the flame.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
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Abstract

La présente invention concerne un procédé de formation d'un verre cellulaire de type granulaire, le procédé comprenant : une première étape de préparation des déchets de verre en poudre; une deuxième étape de mélange des déchets de verre en poudre avec un liant pour former un corps moulé de type granulaire; et une troisième étape de cuisson du corps moulé de type granulaire pour faire mousser le corps moulé.
PCT/KR2016/009996 2015-09-09 2016-09-07 Verre cellulaire de type granulaire, procédé de formation d'une couche de revêtement en verre cellulaire et matériau calorifuge ininflammable utilisant celui-ci WO2017043850A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680051679.4A CN107949610A (zh) 2015-09-09 2016-09-07 颗粒型泡沫玻璃及泡沫玻璃涂布层的形成方法及利用其的不燃性隔热材料

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KR20150127769 2015-09-09
KR10-2015-0127769 2015-09-09
KR10-2016-0113897 2016-09-05
KR1020160113897A KR102069187B1 (ko) 2015-09-09 2016-09-05 과립형 발포유리 및 발포유리 코팅층의 형성 방법 및 이를 이용한 불연성 단열재

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Cited By (1)

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CN107010841A (zh) * 2017-04-01 2017-08-04 陕西科技大学 一种具有较高抗热震性的泡沫玻璃的制备方法

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Publication number Priority date Publication date Assignee Title
EP3626692A1 (fr) * 2018-09-18 2020-03-25 Pittsburgh Corning Europe NV Substrat de matériau isolant revêtu
EP3760807A1 (fr) * 2019-06-30 2021-01-06 Pittsburgh Corning Europe NV Toit inversé
CN110183099A (zh) * 2019-07-15 2019-08-30 威海市济合材料工程研究院 一种膨胀多孔玻璃颗粒的制造方法

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