CN114409277B - Low-radiation LOW-E hollow glass - Google Patents
Low-radiation LOW-E hollow glass Download PDFInfo
- Publication number
- CN114409277B CN114409277B CN202111645036.1A CN202111645036A CN114409277B CN 114409277 B CN114409277 B CN 114409277B CN 202111645036 A CN202111645036 A CN 202111645036A CN 114409277 B CN114409277 B CN 114409277B
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- layer
- sealant
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- glass
- component
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- 239000011521 glass Substances 0.000 title claims abstract description 76
- 239000000565 sealant Substances 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 34
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 12
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052709 silver Inorganic materials 0.000 claims abstract description 12
- 239000004332 silver Substances 0.000 claims abstract description 12
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 12
- VDZMENNHPJNJPP-UHFFFAOYSA-N boranylidyneniobium Chemical compound [Nb]#B VDZMENNHPJNJPP-UHFFFAOYSA-N 0.000 claims description 52
- 238000002156 mixing Methods 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 36
- 229910052580 B4C Inorganic materials 0.000 claims description 33
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 33
- -1 aminoethylaminopropyl Chemical group 0.000 claims description 31
- 239000004005 microsphere Substances 0.000 claims description 31
- 239000001307 helium Substances 0.000 claims description 26
- 229910052734 helium Inorganic materials 0.000 claims description 26
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 21
- 239000011858 nanopowder Substances 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 19
- 239000004327 boric acid Substances 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 19
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 16
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 11
- 239000012265 solid product Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 239000005062 Polybutadiene Substances 0.000 claims description 7
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 7
- VJYNTADJZPKUAF-UHFFFAOYSA-N diethoxy-methyl-(3,3,3-trifluoropropyl)silane Chemical compound CCO[Si](C)(OCC)CCC(F)(F)F VJYNTADJZPKUAF-UHFFFAOYSA-N 0.000 claims description 7
- 229920002857 polybutadiene Polymers 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 229920002545 silicone oil Polymers 0.000 claims description 7
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 82
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 239000011247 coating layer Substances 0.000 abstract description 3
- 238000007747 plating Methods 0.000 abstract description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 24
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 16
- 238000000498 ball milling Methods 0.000 description 16
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
- 229910052810 boron oxide Inorganic materials 0.000 description 8
- 239000003292 glue Substances 0.000 description 8
- 239000011812 mixed powder Substances 0.000 description 8
- 229910000484 niobium oxide Inorganic materials 0.000 description 8
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 8
- 238000004321 preservation Methods 0.000 description 7
- 239000013464 silicone adhesive Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 229920005549 butyl rubber Polymers 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000005344 low-emissivity glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 238000005057 refrigeration Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- 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
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
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- C01B32/991—Boron carbide
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- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
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- 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
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- 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
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- 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
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- 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
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- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3657—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties
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- C—CHEMISTRY; METALLURGY
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- 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
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/08—Joining glass to glass by processes other than fusing with the aid of intervening metal
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/54—Fixing of glass panes or like plates
- E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
- E06B3/62—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats
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- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
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- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
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- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
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- C—CHEMISTRY; METALLURGY
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- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
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- E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
- E06B3/62—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats
- E06B2003/6238—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats having extra functions
- E06B2003/6244—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats having extra functions with extra parts sealing against the bottom of the glazing rebate or against the edge of the pane
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
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Abstract
The application discloses LOW-emissivity hollow glass with LOW radiation resistance, which comprises an aluminum alloy frame and coated glass fixed on two sides of the aluminum alloy frame, wherein a sealing structure is arranged between the aluminum alloy frame and two layers of coated glass; the plating glass is coated with a low-radiation resistant layer; the low-emissivity resistant layer comprises a zinc borate layer, a first aluminum zinc oxide layer, a metal silver layer, a second aluminum zinc oxide layer, a metal copper layer and an aluminum silicate layer which are sequentially arranged from inside to outside; and the coated glass and the aluminum alloy frame form a sealing structure through double sealing. Compared with the conventional LOW-E hollow glass, the coating layer used by the application has good uniformity and stronger radiation resistance; the sealant has better sealing property, weather resistance and aging resistance.
Description
Technical Field
The application relates to the field of hollow glass, in particular to LOW-emissivity LOW-E hollow glass.
Background
Low-E glass is also called Low-emissivity glass, and is a film system product formed by plating a plurality of layers of metal or other compounds on the surface of glass. The coating layer has the characteristics of high visible light transmission and high middle far infrared ray reflection, so that compared with common glass and traditional coating glass for buildings, the coating layer has excellent heat insulation effect and good light transmittance. Hollow glass has been widely used in construction and other fields, and in addition to the great use in construction, the use in other industries such as railway transportation and refrigeration industries is gradually increasing. The hollow glass is formed by separating two or more pieces of glass by a spacing piece and sealing the glass by sealant, so that a dry gas space glass processing product is formed between the glass, and the hollow glass is internally provided with dry gas or inert gas which cannot be convected with external gas, thereby having good heat insulation effect.
The existing Low-E glass is made into a hollow effect, so that the heat insulation effect is further enhanced, but the hollow glass has the major defect that the service life of the hollow glass depends on the tightness of double-layer glass, and the hollow glass has the advantage of being very fast invalid due to the insufficient tightness, and in addition, the radiation resistance of the existing hollow glass is often insufficient.
Disclosure of Invention
In view of the problems in the prior art, it is an object of the present application to provide a LOW emissivity LOW-E hollow glass.
The aim of the application is realized by adopting the following technical scheme:
the LOW-emissivity hollow glass comprises an aluminum alloy frame and coated glass fixed on two sides of the aluminum alloy frame, wherein a sealing structure is arranged between the aluminum alloy frame and two layers of coated glass; the coated glass is coated with a low-radiation layer.
Preferably, the sealing structure between the aluminum alloy frame and the two layers of coated glass is filled with rare gas.
Preferably, the low-radiation layer comprises a zinc borate layer, a first aluminum zinc oxide layer, a metallic silver layer, a second aluminum zinc oxide layer, a metallic copper layer and an aluminum silicate layer which are sequentially arranged from inside to outside.
Preferably, the thickness of the zinc borate layer is 20-30 nm, the thickness of the first aluminum zinc oxide layer is 10-15 nm, the thickness of the metallic silver layer is 5-10 nm, the thickness of the second aluminum zinc oxide layer is 15-25 nm, the thickness of the metallic copper layer is 15-20 nm, and the thickness of the aluminum silicate layer is 20-30 nm.
Preferably, the coated glass and the aluminum alloy frame form a sealing structure through double sealing.
Preferably, the double-path sealing structure comprises a first path of sealing glue and a second path of sealing glue; the first sealant is used for bonding the coated glass and the aluminum alloy frame; the second sealant is arranged on the surface of the first sealant and used for protecting the first sealant and simultaneously playing a role of reinforcing the fixed sealing structure again.
Preferably, the first sealant is butyl rubber.
Preferably, the components of the second sealant include a first component and a second component, and the first component and the second component need to be mixed uniformly during use.
Preferably, the thickness of the first sealant is 5-10 mm, and the thickness of the second sealant is 4-6 mm.
Preferably, the first component comprises the following components in parts by weight: 58-72 parts of aminoethylaminopropyl polydimethylsiloxane, 17-22 parts of boron carbide/niobium boride porous microspheres, 10-15 parts of maleic anhydride modified polybutadiene, 5-8 parts of hydrogen-containing silicone oil and 2-6 parts of trifluoropropyl methyl diethoxy silane.
Preferably, the second component comprises the following components in parts by weight: 0.1 to 0.5 portion of tetrabutyl titanate.
Preferably, the viscosity of the aminoethylaminopropyl polydimethylsiloxane is 28000 to 35000Pa.s.
Preferably, the particle size of the niobium boride nano powder is 100-200 nm, and the particle size of the boron carbide/niobium boride porous microsphere is 0.5-1 mu m.
Preferably, the preparation method of the boron carbide/niobium boride porous microsphere comprises the following steps:
s1, weighing boric acid, mixing the boric acid with an ethanol water solution, stirring until the boric acid is completely dissolved, regulating the pH to 4.5-5.5, adding niobium boride nano powder, uniformly dispersing by ultrasonic, heating to 95-110 ℃, dropwise adding a polyvinyl alcohol water solution under the stirring condition, reacting for 2-4 hours in a reflux device after the dropwise adding is finished, and filtering and collecting solids to obtain a solid product A;
s2, placing the solid product A in an atmosphere furnace, and sintering under the protection of helium to obtain boron carbide coated niobium boride microspheres;
s3, placing the boron carbide coated niobium boride microspheres in an atmosphere furnace, and introducing mixed gas of oxygen and helium for sintering treatment to obtain the boron carbide/niobium boride porous microspheres.
Preferably, in the step S1, the mass fraction of the ethanol water solution is 50% -70%; the mass fraction of the polyvinyl alcohol aqueous solution is 20% -35%; the molecular weight of the polyvinyl alcohol is 20000-25000; the mass ratio of the boric acid to the niobium boride nano powder to the ethanol solution to the polyvinyl alcohol aqueous solution is 1:1.2-2.6:8-12:5.3-7.9.
Preferably, in S2, the sintering process is as follows: heating to 450-550 ℃, preserving heat for 2-3 h, then continuously heating to 1250-1350 ℃, and preserving heat for 3-6 h.
Preferably, in the step S3, the volume ratio of oxygen to helium is 2-4:1, the sintering treatment temperature is 400-500 ℃, and the sintering treatment time is 2-4 hours.
Preferably, the preparation method of the niobium boride nano powder comprises the following steps:
p1, weighing nano niobium pentoxide and nano boron trioxide, mixing into a ball mill, adding acetone, mixing at room temperature, ball milling uniformly, and drying under reduced pressure to obtain niobium oxide/boron oxide mixed powder;
and P2, placing the niobium oxide/boron oxide mixed powder into an atmosphere furnace, introducing mixed gas of hydrogen and helium to replace air, heating to 1200-1500 ℃, carrying out heat preservation treatment for 4-6 h, cooling to room temperature, and carrying out crushing treatment to obtain the niobium boride nano powder.
Preferably, in the P1, zirconia balls are used for ball milling, the ball milling speed is 500-800 rpm, and the ball milling time is 5-8 h.
Preferably, in the P1, the mass ratio of the nano niobium pentoxide to the nano boron trioxide to the acetone is 4.15-4.56:1:5-8.
Preferably, in the P2, the volume ratio of the hydrogen to the helium in the mixed gas of the hydrogen and the helium is 1:1-3.
Preferably, the preparation method of the second sealant comprises the following steps:
mixing the components of the first component into a stirrer, heating to 100-120 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product.
Preferably, the stirring and mixing time of the first component is 0.5-1 h, and the stirring and mixing time after the second component is added is 0.2-0.5 h.
The beneficial effects of the application are as follows:
according to the application, the zinc borate layer, the first aluminum zinc oxide layer, the metal silver layer, the second aluminum zinc oxide layer, the metal copper layer and the aluminum silicate layer are sequentially arranged on the coated glass, so that compared with a conventional coated structure, the coated layer used by the application has good uniformity and stronger radiation resistance.
The application uses a double-sealing method to seal the hollow glass, the first sealant adopts butyl rubber, has the functions of sealing and preventing water vapor, and the second sealant adopts double-component modified silicone rubber, so that the sealing property is further enhanced, the weather resistance and aging resistance are better, the sealing structure can be kept for a longer time, the performance of the hollow glass can be kept, and the hollow glass has better usability.
The second sealant is obtained by improvement on the basis of the conventionally used silicone adhesive, and the main component of the conventionally used silicone adhesive is hydroxy polydimethylsiloxane, while the conventionally used silicone adhesive is amino ethyl amino propyl polydimethylsiloxane, and the amino ethyl amino propyl polydimethylsiloxane has better intermolecular bonding property, so that the conventionally used silicone adhesive is more flexible, stronger in toughness and better in durability and usability. In the conventional silicone adhesive, calcium carbonate is generally used as a filler, and the surface of the calcium carbonate is provided with hydroxyl groups which are strong in hydrophilicity and strong in alkalinity, so that the affinity between the calcium carbonate and a polymer is poor, agglomerates are easily formed, uneven dispersion in the polymer is caused, and interface defects between two materials are caused. The boron carbide/niobium boride porous microsphere used in the application not only can not be agglomerated due to the hydrophilic substances contained on the surface, but also can form better crosslinking due to the unique shell-core structure and the polymer, and meanwhile, the boron carbide/niobium boride porous microsphere also has stronger mechanical property, high temperature resistance and oxidation resistance, so that the prepared silicone adhesive can resist more external interference while playing better cohesiveness, and the high and low temperature resistance, aging resistance and stability of the silicone adhesive are improved.
Detailed Description
The application is further described with reference to the following examples.
Example 1
The LOW-emissivity hollow glass comprises an aluminum alloy frame and coated glass fixed on two sides of the aluminum alloy frame, wherein a sealing structure is arranged between the aluminum alloy frame and two layers of coated glass; the coated glass is coated with a low-radiation layer. The sealing structure between the aluminum alloy frame and the two layers of coated glass is filled with rare gas. The low-radiation layer comprises a zinc borate layer, a first aluminum zinc oxide layer, a metal silver layer, a second aluminum zinc oxide layer, a metal copper layer and an aluminum silicate layer which are sequentially arranged from inside to outside.
The thickness of the zinc borate layer is 25nm, the thickness of the first aluminum zinc oxide layer is 12nm, the thickness of the metal silver layer is 8nm, the thickness of the second aluminum zinc oxide layer is 20nm, the thickness of the metal copper layer is 17nm, and the thickness of the aluminum silicate layer is 25nm. The coated glass and the aluminum alloy frame form a sealing structure through double sealing.
The double-channel sealing structure comprises a first channel of sealing glue and a second channel of sealing glue; the first sealant is used for bonding the coated glass and the aluminum alloy frame; the second sealant is arranged on the surface of the first sealant and used for protecting the first sealant and simultaneously playing a role of reinforcing the fixed sealing structure again. The first sealant is butyl rubber. The components of the second sealant include a first component and a second component, and the first component and the second component need to be uniformly mixed when in use. The thickness of the first sealant is 8mm, and the thickness of the second sealant is 5mm.
The first component comprises the following components in parts by weight: 64 parts of aminoethylaminopropyl polydimethylsiloxane, 20 parts of boron carbide/niobium boride porous microspheres, 12 parts of maleic anhydride modified polybutadiene, 6 parts of hydrogen-containing silicone oil and 4 parts of trifluoropropyl methyl diethoxysilane. The second component comprises the following components in parts by weight: 0.3 parts of tetrabutyl titanate.
The viscosity of the aminoethylaminopropyl polydimethylsiloxane is 28000 to 35000Pa.s.
The particle size of the niobium boride nano powder is 100-200 nm, and the particle size of the boron carbide/niobium boride porous microsphere is 0.5-1 mu m.
The preparation method of the boron carbide/niobium boride porous microsphere comprises the following steps:
s1, weighing boric acid, mixing the boric acid with 60% ethanol water solution, stirring until the boric acid is completely dissolved, regulating the pH value to 4.5-5.5, adding niobium boride nano powder, uniformly dispersing by ultrasonic, heating to 100 ℃, dropwise adding 30% polyvinyl alcohol water solution under the stirring condition, reacting for 3 hours in a reflux device after the dropwise adding is finished, filtering and collecting solids to obtain a solid product A; wherein the molecular weight of the polyvinyl alcohol is 20000-25000; the mass ratio of the boric acid to the niobium boride nano powder to the ethanol solution to the polyvinyl alcohol aqueous solution is 1:1.8:10:6.5;
s2, placing the solid product A in an atmosphere furnace, under the protection of helium, firstly heating to 500 ℃, carrying out heat preservation treatment for 2.5 hours, then continuously heating to 1300 ℃, and carrying out heat preservation treatment for 4 hours to obtain boron carbide coated niobium boride microspheres;
s3, placing the boron carbide coated niobium boride microspheres in an atmosphere furnace, and introducing mixed gas of oxygen and helium for sintering treatment to obtain boron carbide/niobium boride porous microspheres; wherein the volume ratio of oxygen to helium is 3:1, the sintering treatment temperature is 450 ℃, and the sintering treatment time is 3 hours.
The preparation method of the niobium boride nano powder comprises the following steps:
p1, weighing nano niobium pentoxide and nano boron trioxide, mixing into a ball mill, adding acetone, mixing at room temperature, ball milling uniformly, and drying under reduced pressure to obtain niobium oxide/boron oxide mixed powder; wherein, zirconia balls are used for ball milling, the ball milling speed is 600rpm, and the ball milling time is 6 hours; the mass ratio of the nanometer niobium pentoxide to the nanometer boron trioxide to the acetone is 4.27:1:6;
p2, placing the mixed powder of niobium oxide and boron oxide in an atmosphere furnace, introducing mixed gas of hydrogen and helium to replace air, heating to 1350 ℃, preserving heat for 5 hours, cooling to room temperature and crushing to obtain niobium boride nano powder; in the mixed gas of hydrogen and helium, the volume ratio of the hydrogen to the helium is 1:2.
The preparation method of the second sealant comprises the following steps:
mixing the components of the first component into a stirrer, heating to 110 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product; the stirring and mixing time of the first component was 0.5h, and the stirring and mixing time after adding the second component was 0.2h.
Example 2
The LOW-emissivity hollow glass comprises an aluminum alloy frame and coated glass fixed on two sides of the aluminum alloy frame, wherein a sealing structure is arranged between the aluminum alloy frame and two layers of coated glass; the coated glass is coated with a low-radiation layer. The sealing structure between the aluminum alloy frame and the two layers of coated glass is filled with rare gas. The low-radiation layer comprises a zinc borate layer, a first aluminum zinc oxide layer, a metal silver layer, a second aluminum zinc oxide layer, a metal copper layer and an aluminum silicate layer which are sequentially arranged from inside to outside.
The thickness of the zinc borate layer is 20nm, the thickness of the first aluminum zinc oxide layer is 10nm, the thickness of the metal silver layer is 5nm, the thickness of the second aluminum zinc oxide layer is 15nm, the thickness of the metal copper layer is 15nm, and the thickness of the aluminum silicate layer is 20nm. The coated glass and the aluminum alloy frame form a sealing structure through double sealing.
The double-channel sealing structure comprises a first channel of sealing glue and a second channel of sealing glue; the first sealant is used for bonding the coated glass and the aluminum alloy frame; the second sealant is arranged on the surface of the first sealant and used for protecting the first sealant and simultaneously playing a role of reinforcing the fixed sealing structure again. The first sealant is butyl rubber. The components of the second sealant include a first component and a second component, and the first component and the second component need to be uniformly mixed when in use. The thickness of the first sealant is 5mm, and the thickness of the second sealant is 4mm.
The first component comprises the following components in parts by weight: 58 parts of aminoethylaminopropyl polydimethylsiloxane, 17 parts of boron carbide/niobium boride porous microspheres, 10 parts of maleic anhydride modified polybutadiene, 5 parts of hydrogen-containing silicone oil and 2 parts of trifluoropropyl methyl diethoxysilane. The second component comprises the following components in parts by weight: 0.1 part of tetrabutyl titanate.
The viscosity of the aminoethylaminopropyl polydimethylsiloxane is 28000 to 35000Pa.s.
The particle size of the niobium boride nano powder is 100-200 nm, and the particle size of the boron carbide/niobium boride porous microsphere is 0.5-1 mu m.
The preparation method of the boron carbide/niobium boride porous microsphere comprises the following steps:
s1, weighing boric acid, mixing the boric acid with 50% ethanol water solution, stirring until the boric acid is completely dissolved, regulating the pH value to be 4.5-5.5, adding niobium boride nano powder, uniformly dispersing by ultrasonic, heating to 95 ℃, dropwise adding 20% polyvinyl alcohol water solution under the stirring condition, reacting for 2 hours in a reflux device after the dropwise adding is finished, filtering and collecting solids to obtain a solid product A; wherein the molecular weight of the polyvinyl alcohol is 20000-25000; the mass ratio of the boric acid to the niobium boride nano powder to the ethanol solution to the polyvinyl alcohol aqueous solution is 1:1.2:8:5.3;
s2, placing the solid product A in an atmosphere furnace, under the protection of helium, firstly heating to 450 ℃, carrying out heat preservation treatment for 2 hours, then continuously heating to 1250 ℃, and carrying out heat preservation treatment for 3 hours to obtain boron carbide coated niobium boride microspheres;
s3, placing the boron carbide coated niobium boride microspheres in an atmosphere furnace, and introducing mixed gas of oxygen and helium for sintering treatment to obtain boron carbide/niobium boride porous microspheres; wherein the volume ratio of oxygen to helium is 2:1, the sintering treatment temperature is 400 ℃, and the sintering treatment time is 2 hours.
The preparation method of the niobium boride nano powder comprises the following steps:
p1, weighing nano niobium pentoxide and nano boron trioxide, mixing into a ball mill, adding acetone, mixing at room temperature, ball milling uniformly, and drying under reduced pressure to obtain niobium oxide/boron oxide mixed powder; wherein, zirconia balls are used for ball milling, the ball milling speed is 500rpm, and the ball milling time is 5 hours; the mass ratio of the nanometer niobium pentoxide to the nanometer boron trioxide to the acetone is 4.15:1:5;
p2, placing the mixed powder of niobium oxide and boron oxide in an atmosphere furnace, introducing mixed gas of hydrogen and helium to replace air, heating to 1200 ℃, preserving heat for 4 hours, cooling to room temperature and crushing to obtain niobium boride nano powder; in the mixed gas of hydrogen and helium, the volume ratio of the hydrogen to the helium is 1:1.
The preparation method of the second sealant comprises the following steps:
mixing the components of the first component into a stirrer, heating to 100 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product; the stirring and mixing time of the first component was 0.5h, and the stirring and mixing time after adding the second component was 0.2h.
Example 3
The LOW-emissivity hollow glass comprises an aluminum alloy frame and coated glass fixed on two sides of the aluminum alloy frame, wherein a sealing structure is arranged between the aluminum alloy frame and two layers of coated glass; the coated glass is coated with a low-radiation layer. The sealing structure between the aluminum alloy frame and the two layers of coated glass is filled with rare gas. The low-radiation layer comprises a zinc borate layer, a first aluminum zinc oxide layer, a metal silver layer, a second aluminum zinc oxide layer, a metal copper layer and an aluminum silicate layer which are sequentially arranged from inside to outside.
The thickness of the zinc borate layer is 30nm, the thickness of the first aluminum zinc oxide layer is 15nm, the thickness of the metal silver layer is 10nm, the thickness of the second aluminum zinc oxide layer is 25nm, the thickness of the metal copper layer is 20nm, and the thickness of the aluminum silicate layer is 30nm. The coated glass and the aluminum alloy frame form a sealing structure through double sealing.
The double-channel sealing structure comprises a first channel of sealing glue and a second channel of sealing glue; the first sealant is used for bonding the coated glass and the aluminum alloy frame; the second sealant is arranged on the surface of the first sealant and used for protecting the first sealant and simultaneously playing a role of reinforcing the fixed sealing structure again. The first sealant is butyl rubber. The components of the second sealant include a first component and a second component, and the first component and the second component need to be uniformly mixed when in use. The thickness of the first sealant is 10mm, and the thickness of the second sealant is 6mm.
The first component comprises the following components in parts by weight: 72 parts of aminoethylaminopropyl polydimethylsiloxane, 22 parts of boron carbide/niobium boride porous microspheres, 15 parts of maleic anhydride modified polybutadiene, 5-8 parts of hydrogen-containing silicone oil and 6 parts of trifluoropropyl methyl diethoxy silane. The second component comprises the following components in parts by weight: 0.5 part of tetrabutyl titanate.
The viscosity of the aminoethylaminopropyl polydimethylsiloxane is 28000 to 35000Pa.s.
The particle size of the niobium boride nano powder is 100-200 nm, and the particle size of the boron carbide/niobium boride porous microsphere is 0.5-1 mu m.
The preparation method of the boron carbide/niobium boride porous microsphere comprises the following steps:
s1, weighing boric acid, mixing the boric acid with 70% ethanol water solution, stirring until the boric acid is completely dissolved, regulating the pH value to 4.5-5.5, adding niobium boride nano powder, uniformly dispersing by ultrasonic, heating to 110 ℃, dropwise adding 35% polyvinyl alcohol water solution under the stirring condition, reacting for 4 hours in a reflux device after the dropwise adding is finished, filtering and collecting solids to obtain a solid product A; wherein the molecular weight of the polyvinyl alcohol is 20000-25000; the mass ratio of the boric acid to the niobium boride nano powder to the ethanol solution to the polyvinyl alcohol aqueous solution is 1:2.6:12:7.9;
s2, placing the solid product A in an atmosphere furnace, under the protection of helium, firstly heating to 550 ℃, carrying out heat preservation treatment for 3 hours, then continuously heating to 1350 ℃, and carrying out heat preservation treatment for 6 hours to obtain boron carbide coated niobium boride microspheres;
s3, placing the boron carbide coated niobium boride microspheres in an atmosphere furnace, and introducing mixed gas of oxygen and helium for sintering treatment to obtain boron carbide/niobium boride porous microspheres; wherein the volume ratio of oxygen to helium is 4:1, the sintering treatment temperature is 500 ℃, and the sintering treatment time is 4 hours.
The preparation method of the niobium boride nano powder comprises the following steps:
p1, weighing nano niobium pentoxide and nano boron trioxide, mixing into a ball mill, adding acetone, mixing at room temperature, ball milling uniformly, and drying under reduced pressure to obtain niobium oxide/boron oxide mixed powder; wherein, zirconia balls are used for ball milling, the ball milling speed is 800rpm, and the ball milling time is 8 hours; the mass ratio of the nanometer niobium pentoxide to the nanometer boron trioxide to the acetone is 4.56:1:8;
p2, placing the mixed powder of niobium oxide and boron oxide in an atmosphere furnace, introducing mixed gas of hydrogen and helium to replace air, heating to 1500 ℃, preserving heat for 6 hours, cooling to room temperature and crushing to obtain niobium boride nano powder; in the mixed gas of hydrogen and helium, the volume ratio of the hydrogen to the helium is 1:3.
The preparation method of the second sealant comprises the following steps:
mixing the components of the first component into a stirrer, heating to 120 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product; the stirring and mixing time of the first component was 1h, and the stirring and mixing time after adding the second component was 0.5h.
Comparative example 1
A sealant for hollow glass comprises a first component and a second component, wherein the first component and the second component are required to be uniformly mixed when the sealant is used. The thickness of the sealant was 5mm.
The first component comprises the following components in parts by weight: 64 parts of aminoethylaminopropyl polydimethylsiloxane, 20 parts of boron carbide, 12 parts of maleic anhydride modified polybutadiene, 6 parts of hydrogen-containing silicone oil and 4 parts of trifluoropropyl methyldiethoxysilane. The second component comprises the following components in parts by weight: 0.3 parts of tetrabutyl titanate.
The viscosity of the aminoethylaminopropyl polydimethylsiloxane is 28000-35000 Pa.s, and the particle size of the boron carbide is 0.5-1 mu m.
The preparation method of the second sealant comprises the following steps:
mixing the components of the first component into a stirrer, heating to 110 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product; the stirring and mixing time of the first component was 0.5h, and the stirring and mixing time after adding the second component was 0.2h.
Comparative example 2
A sealant for hollow glass comprises a first component and a second component, wherein the first component and the second component are required to be uniformly mixed when the sealant is used. The thickness of the sealant was 5mm.
The first component comprises the following components in parts by weight: 64 parts of aminoethylaminopropyl polydimethylsiloxane, 20 parts of white carbon black (conventional filler), 12 parts of maleic anhydride-modified polybutadiene, 6 parts of hydrogen-containing silicone oil and 4 parts of trifluoropropyl methyldiethoxysilane. The second component comprises the following components in parts by weight: 0.3 parts of tetrabutyl titanate.
The viscosity of the aminoethylaminopropyl polydimethylsiloxane is 28000-35000 Pa.s, and the particle size of the white carbon black is 0.5-1 mu m.
The preparation method of the second sealant comprises the following steps:
mixing the components of the first component into a stirrer, heating to 110 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product; the stirring and mixing time of the first component was 0.5h, and the stirring and mixing time after adding the second component was 0.2h.
In order to more clearly illustrate the application, the second sealant prepared in examples 1 to 3 of the application and the sealant for hollow glass prepared in comparative examples 1 to 2 were subjected to performance test and comparison using the standard of GB/T14683-2003 silicone building sealant, the tensile strength and elongation at break test standard being GB/T528-2009, and the results are shown in Table 1:
TABLE 1 detection results of different sealants
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the scope of the present application, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present application without departing from the spirit and scope of the technical solution of the present application.
Claims (7)
1. The LOW-emissivity hollow glass is characterized by comprising an aluminum alloy frame and coated glass fixed on two sides of the aluminum alloy frame, wherein a sealing structure is arranged between the aluminum alloy frame and two layers of coated glass; the coated glass is coated with a low-radiation layer; the low-radiation layer comprises a zinc borate layer, a first aluminum zinc oxide layer, a metal silver layer, a second aluminum zinc oxide layer, a metal copper layer and an aluminum silicate layer which are sequentially arranged from inside to outside; the coated glass and the aluminum alloy frame form a sealing structure through double sealing, and the sealing structure comprises a first sealant and a second sealant;
the components of the second sealant comprise a first component and a second component, and the first component and the second component are required to be uniformly mixed when the sealant is used;
the first component comprises the following components in parts by weight: 58-72 parts of aminoethylaminopropyl polydimethylsiloxane, 17-22 parts of boron carbide/niobium boride porous microspheres, 10-15 parts of maleic anhydride modified polybutadiene, 5-8 parts of hydrogen-containing silicone oil and 2-6 parts of trifluoropropyl methyl diethoxy silane; the second component comprises the following components in parts by weight: 0.1 to 0.5 part of tetrabutyl titanate;
the preparation method of the boron carbide/niobium boride porous microsphere comprises the following steps:
s1, weighing boric acid, mixing the boric acid with an ethanol water solution, stirring until the boric acid is completely dissolved, regulating the pH to 4.5-5.5, adding niobium boride nano powder, uniformly dispersing by ultrasonic, heating to 95-110 ℃, dropwise adding a polyvinyl alcohol water solution under the stirring condition, reacting for 2-4 hours in a reflux device after the dropwise adding is finished, and filtering and collecting solids to obtain a solid product A;
s2, placing the solid product A in an atmosphere furnace, and sintering under the protection of helium to obtain boron carbide coated niobium boride microspheres;
s3, placing the boron carbide coated niobium boride microspheres in an atmosphere furnace, and introducing mixed gas of oxygen and helium for sintering treatment to obtain the boron carbide/niobium boride porous microspheres.
2. A LOW emissivity LOW E hollow glass according to claim 1, wherein said sealing structure between said aluminum alloy frame and two layers of said coated glass is filled with a rare gas.
3. The LOW emissivity LOW E glass of claim 1, wherein said zinc borate layer has a thickness of 20 to 30nm, said first aluminum zinc oxide layer has a thickness of 10 to 15nm, said metallic silver layer has a thickness of 5 to 10nm, said second aluminum zinc oxide layer has a thickness of 15 to 25nm, said metallic copper layer has a thickness of 15 to 20nm, and said aluminum silicate layer has a thickness of 20 to 30nm.
4. The LOW emissivity LOW-E glass of claim 1, wherein the first sealant bonds the coated glass to the aluminum alloy frame; the second sealant is arranged on the surface of the first sealant.
5. The LOW emissivity LOW E glass of claim 4, wherein said first sealant is butyl.
6. The LOW emissivity LOW E glass of claim 4, wherein said first sealant has a thickness of 5 to 10mm and said second sealant has a thickness of 4 to 6mm.
7. The LOW emissivity LOW-E glass of claim 1, wherein said second sealant is prepared by:
mixing the components of the first component into a stirrer, heating to 100-120 ℃, stirring and uniformly mixing, pumping and cooling to room temperature, adding the second component, and stirring and uniformly mixing again to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645036.1A CN114409277B (en) | 2021-12-30 | 2021-12-30 | Low-radiation LOW-E hollow glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111645036.1A CN114409277B (en) | 2021-12-30 | 2021-12-30 | Low-radiation LOW-E hollow glass |
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| CN112431520A (en) * | 2020-11-20 | 2021-03-02 | 温州前瞻玻璃科技有限公司 | Fast-assembling hollow glass, manufacturing method and application |
| CN112608712A (en) * | 2020-12-15 | 2021-04-06 | 广州市高士实业有限公司 | Preparation method of door and window glue |
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