JP6973359B2 - 真空断熱機器 - Google Patents
真空断熱機器 Download PDFInfo
- Publication number
- JP6973359B2 JP6973359B2 JP2018220209A JP2018220209A JP6973359B2 JP 6973359 B2 JP6973359 B2 JP 6973359B2 JP 2018220209 A JP2018220209 A JP 2018220209A JP 2018220209 A JP2018220209 A JP 2018220209A JP 6973359 B2 JP6973359 B2 JP 6973359B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- vacuum
- gas
- double glazing
- sealing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims description 25
- 239000011521 glass Substances 0.000 claims description 119
- 239000002245 particle Substances 0.000 claims description 68
- 239000000758 substrate Substances 0.000 claims description 63
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 46
- 229910052709 silver Inorganic materials 0.000 claims description 46
- 239000004332 silver Substances 0.000 claims description 46
- 239000002516 radical scavenger Substances 0.000 claims description 44
- 238000002844 melting Methods 0.000 claims description 42
- 230000008018 melting Effects 0.000 claims description 38
- 229910044991 metal oxide Inorganic materials 0.000 claims description 36
- 150000004706 metal oxides Chemical class 0.000 claims description 36
- 239000003566 sealing material Substances 0.000 claims description 36
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 14
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 14
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 4
- 229910052714 tellurium Inorganic materials 0.000 claims description 4
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 4
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 144
- 239000000463 material Substances 0.000 description 56
- 238000007789 sealing Methods 0.000 description 55
- 238000000034 method Methods 0.000 description 39
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- 125000006850 spacer group Chemical group 0.000 description 20
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
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- 239000010408 film Substances 0.000 description 5
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- 239000011230 binding agent Substances 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- -1 sealing portion Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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- 239000000843 powder Substances 0.000 description 3
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- 229910052719 titanium Inorganic materials 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
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- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- 229910018068 Li 2 O Inorganic materials 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
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- 229910052759 nickel Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 description 2
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- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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- 238000012512 characterization method Methods 0.000 description 1
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- 239000011651 chromium Substances 0.000 description 1
- BIJOYKCOMBZXAE-UHFFFAOYSA-N chromium iron nickel Chemical compound [Cr].[Fe].[Ni] BIJOYKCOMBZXAE-UHFFFAOYSA-N 0.000 description 1
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- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- OJLGWNFZMTVNCX-UHFFFAOYSA-N dioxido(dioxo)tungsten;zirconium(4+) Chemical compound [Zr+4].[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O OJLGWNFZMTVNCX-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000005470 impregnation Methods 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
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- 239000010955 niobium Substances 0.000 description 1
- 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 1
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- VFWRGKJLLYDFBY-UHFFFAOYSA-N silver;hydrate Chemical compound O.[Ag].[Ag] VFWRGKJLLYDFBY-UHFFFAOYSA-N 0.000 description 1
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- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
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- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
- E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
-
- 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
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/122—Silica-free oxide glass compositions containing oxides of As, Sb, Bi, Mo, W, V, Te as glass formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0233—Compounds of Cu, Ag, Au
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- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Oil, Petroleum & Natural Gas (AREA)
- Architecture (AREA)
- Joining Of Glass To Other Materials (AREA)
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
真空断熱複層ガラスパネル100の第1の基板1および第2の基板2には、フロート板ガラス、型板ガラス、擦りガラス、強化ガラス、網入板ガラスおよび線入板ガラス等を用いることができる。これらを風冷強化処理あるいは化学強化処理してもよい。風冷強化処理あるいは化学強化処理された強化ガラスを用いることにより、スペーサー3の数を低減することができる。熱伝導率の高い材料からなるスペーサー3を用いる場合は、スペーサー3の数を低減することにより、断熱性が向上する。ガラスの種類として、安価なソーダライムガラスを用いることが好ましい。
スペーサー3は、第1の基板1と第2の基板2との間の空間を維持するために用いられる。スペーサー3は、第1の基板1と第2の基板2に比べ硬度が低く、かつ適切な圧縮強さを有する材料であれば特に限定されない。例えば、ガラス、金属、合金、鉄鋼、セラミックスおよびプラスチック等を用いることができる。断熱性の観点からは熱伝導率の低い材料を用いることが好ましい。
封止部4は、低融点ガラスを含む封止材料により形成されている。封止材料には、低融点ガラスの他に、低熱膨張フィラー粒子や金属粒子等を含んでいても良い。これらの材料と溶剤とを混合したペースト状の材料を第1の基板1または第2の基板2の周縁にディスペンサー等で塗布し、乾燥後、仮焼成して用いることができる。また、このペースト状の材料をリボン状の箔の両面に塗布し、乾燥後、仮焼成した材料を封止材料として用いることもできる。
図3は本発明の一実施形態のガス捕捉材のSEM観察写真である本実施形態のガス捕捉材300は、封止材および基板からのガス排出を伴うガラスパネル封止工程においても、ガラスパネル封止後にそのガス捕捉特性を維持し、さらに300℃以下の低温で活性ができ、かつ基板への設置が容易な薄膜状の構造を有しているものである。
次に、本発明が適用される真空断熱機器の製造方法について説明する。以下の説明では、いわゆる「排気管方式」でガラス基板を真空封止する例について説明する。
<ガス捕捉材>
硝酸銀粉末と酸化セリウム粉末とを銀粒子の含有量が5質量%、となるように秤量し、純水に分散させた後、エバポレーターで撹拌しつつ、80℃、減圧下で乾燥し、混合粉末を得た。その後、石英ボートに約0.6gの前記混合粉末を入れ、大気雰囲気下、400℃、2時間保持することでガス捕捉材を製造した。このガス捕捉材のガス捕捉特性を評価用のガラスパネル内に設置し、ガス捕捉特性を評価した。
直方体型のソーダライムガラス2枚をそれぞれ第1の基板、第2の基板として用いて複層ガラスを作製した。第1の基板上に封止材料を外周が90mm×90mmの正方形となるようにディスペンサーを用いて塗布した。封止材料は、ガラス、フィラー材およびガラスビーズを56:14:30の体積比で混合して作製した。ガラスには低融点ガラス用い、その特性温度は転移点Tgが203℃、屈伏点Mgが221℃、軟化点Tsが258℃、焼結点Tsintが267℃、流動点Tfが282℃、作業点Twが288℃、結晶化開始温度Tcryが349℃であった。この封止材料を塗布、乾燥後、封止材料の内側にガス捕捉材を、エタノールと混合した状態で塗布、乾燥した。
真空断熱複層ガラスパネル中におけるガス捕捉特性は、以下の方法で断熱性能を測定することにより評価した。第2の基板の表面中央部に60℃に加熱、保持した円柱状ヒーターを接触させ、反対側の第1の基板の表面中央部に温度計を接触させる。温度計よって、10分間の温度変化を計測した。その温度上昇が少ないほど、内部空間の断熱性が高く、ガス捕捉特性が高いと判断した。
銀粒子の含有量を10質量%としたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
銀粒子の含有量を20質量%としたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
銀粒子の含有量を30質量%としたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
銀粒子の含有量が40質量%としたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
銀粒子の含有量が50質量%としたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
銀粒子の含有量が60質量%となるようにしたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
銀粒子の含有量が70質量%となるようにしたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
多孔質金属酸化物として、酸化セリウムを酸化アルミニウム(Al2O3)に変えたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
多孔質金属酸化物として、酸化セリウムを酸化ケイ素(SiO2)に変えたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
多孔質金属酸化物として、酸化セリウムを酸化チタン(TiO2)に変えたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
多孔質金属酸化物として、酸化セリウムを酸化ジルコニウム(ZrO2)に変えたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
多孔質金属酸化物として、酸化セリウムを酸化イットリウム(Y2O3)に変えたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
ガス捕捉材をZr系合金としたことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
酸化セリウムを加えなかったことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
ガス捕捉材を設置しなかったことを除いて実施例1と同様の手順で真空断熱複層ガラスパネルを作製し、ガス捕捉特性評価を実施した。
Claims (9)
- 間隙を有するように対向して配置された一対の基板と、前記一対の基板を接着する封止材料とを備え、
前記間隙に、多孔質金属酸化物と、平均粒径0.5nm以上100nm以下の銀粒子とを含むガス捕捉材が設置されていることを特徴とする真空断熱機器。 - 前記銀粒子は、前記多孔質金属酸化物に担持されていることを特徴とする請求項1に記載の真空断熱機器。
- 前記銀粒子の含有量が、1質量%以上70質量%以下であることを特徴とする請求項1に記載の真空断熱機器。
- 前記多孔質金属酸化物の平均粒径が5nm以上200μm以下であることを特徴とする請求項1に記載の真空断熱機器。
- 前記多孔質金属酸化物の比表面積が30m2/g以上であることを特徴とする請求項1に記載の真空断熱機器。
- 前記多孔質金属酸化物が酸化セリウムを含むことを特徴とする請求項1に記載の真空断熱機器。
- 前記封止材料が低融点ガラスを含むことを特徴とする請求項1に記載の真空断熱機器。
- 前記低融点ガラスは、酸化バナジウムおよび酸化テルルを含むことを特徴とする請求項7に記載の真空断熱機器。
- 前記真空断熱機器が、真空断熱複層ガラスパネルであることを特徴とする請求項1〜8のいずれか1項に記載の真空断熱機器。
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