JPH08500810A - 湿った多孔質ゲルモノリスの迅速乾燥方法及び装置 - Google Patents
湿った多孔質ゲルモノリスの迅速乾燥方法及び装置Info
- Publication number
- JPH08500810A JPH08500810A JP6502561A JP50256194A JPH08500810A JP H08500810 A JPH08500810 A JP H08500810A JP 6502561 A JP6502561 A JP 6502561A JP 50256194 A JP50256194 A JP 50256194A JP H08500810 A JPH08500810 A JP H08500810A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- solvent
- drying
- drying chamber
- chamber
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/12—Other methods of shaping glass by liquid-phase reaction processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/005—Drying solid materials or objects by processes not involving the application of heat by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B7/00—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Glass Melting And Manufacturing (AREA)
- Silicon Compounds (AREA)
- Colloid Chemistry (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 湿った多孔質ゲルモノリスの乾燥方法において、 出口を有する乾燥室中に置いた溶剤中にゲルモノリスを浸漬させる工程と、 該乾燥室の温度を実質的に該溶剤の沸点まで上昇させて、該乾燥室のあらゆる 空間中に溶剤蒸気を生成する工程と、 該湿ったゲルモノリスが該乾燥室内で該溶剤蒸気の所定正圧下に留まるように 該乾燥室から該液体溶剤を除去する工程と、 該乾燥室を少なくとも実質的に該溶剤の沸騰温度に維持し、該ゲルモノリスの 該孔内に存在する該溶剤を蒸発させる工程(但し、蒸発した溶剤は該出口ポート から該乾燥室を出る。)と を含む前記方法。 2.乾燥室がさらに入口を含み、かつ乾燥工程が、入口を通して該乾燥室中に 、制御された溶剤分圧を有する不活性ガスを導入する工程を含む請求項1記載の 方法。 3.導入工程が、導入する不活性ガスを、大気圧における溶剤の沸騰温度に実 質的に対応する溶剤分圧に維持する工程を含み、 乾燥工程が、該乾燥室の温度を、該溶剤沸騰温度に実質的に等しい温度から、 ゲルモノリスが実質的に乾燥するまで、制御可能に上昇させる工程を含む請求項 2記載の方法。 4.制御可能な温度上昇工程が少なくとも0.1℃/24時間の速度で温度を 制御可能に上昇させる工程を含む請求項3記載の方法。 5.乾燥工程が 乾燥室を該溶剤沸騰温度に実質的に等しい温度に維持する工程と、 該溶剤の温度を該溶剤の沸騰温度に実質的に等しい温度から低下させることに よって、該乾燥室中に導入する不活性ガス中の該溶剤の分圧を制御可能に低下さ せる工程と を含む請求項2記載の方法。 6.制御可能な低下工程が少なくとも0.1℃/24時間の速度で温度を制御 可能に低下させる工程を含む請求項3記載の方法。 7.乾燥工程が乾燥不活性ガスを、選択された温度を有する溶剤浴に通して、 該溶剤の所定分圧を有する該不活性ガスを生成する工程をさらに含む請求項2記 載の方法。 8.導入工程が不活性ガスを少なくとも1cm3/分(標準状態下)の流量で 導入する工程を含む請求項2記載の方法。 9.浸漬工程に用いる溶剤がエタノールであり、該導入工程に用いる不活性ガ スが窒素であり、乾燥工程が乾燥室を少なくとも約75℃の温度に維持する請求 項2記載の方法。 10.乾燥室がさらに入口を含み、 該乾燥室の温度を制御速度で上昇させながら、不活性ガスを該乾燥室に該入口 から出口まで通して導く工程をさらに含む請求項1記載の方法。 11.乾燥室の温度を制御速度で100℃を越える所定温度まで上昇させなが ら、不活性ガスを該乾燥室に入口から出口まで通して導くことによって、乾燥ゲ ルモノリス中の残留水分を除去する工程と、 該乾燥室の温度を制御速度で実質的な高温に上昇させながら、空気を該乾燥室 に該入口から該出口まで通して導くことによって、該乾燥ゲルモノリス中に残留 する化学的に結合した有機基を焼却する工程と をさらに含む請求項10記載の方法。 12.除去工程では、温度を少なくとも約0.1℃/時間の速度で約120℃ に上昇させ、 焼却工程では、温度を少なくとも0.1℃/時間の速度で約400℃に上昇さ せる請求項11記載の方法。 13.乾燥工程を、乾燥室を通るガス流の不存在下で行う請求項1記載の方法 。 14.ゲル外観が透明〜不透明〜透明に変化したときに乾燥工程を終了させる 請求項1記載の方法。 15.その孔内に液体溶剤を含む、湿った多孔質ゲルモノリスの乾燥方法にお いて、 入口と出口とを有する室中に該湿ったゲルモノリスを装入する工程と、 該室を該溶剤の沸点に又はこの沸点近くまで加熱して、該室の自由空間が実質 的に溶剤蒸気のみによって満たされるようにする工程と、 所定溶剤分圧を有し、所定温度を有する不活性ガスを該室に該入口から該出口 まで通す工程と、 該室の温度と、該不活性ガス中の該溶剤蒸気の分圧とを調節して、該湿ったゲ ルの孔から該液体溶剤を乾燥させるための駆動力を制御可能に増強する工程とを 含む前記方法。 16.調節工程が、不活性ガスの溶剤分圧を実質的に一定に維持しながら室の 温度を制御可能に上昇させる工程を含む請求項15記載の方法。 17.調節工程が、室の温度を実質的に一定に維持しながら、不活性ガスの溶 剤分圧を制御可能に低下させる工程を含む請求項15記載の方法。 18.装入工程がゲルモノリスを液体溶剤中に沈める工程を含み、 しかも加熱工程が室から液体溶剤の実質的に全てを除去する工程を含む請求項 15記載の方法。 19.湿った多孔質ゲルモノリスを乾燥させるための乾燥室アセンブリにおい て、 閉じた側壁と底部壁とを有する外側容器と、 閉じた側壁と頂部壁とを有する内側容器(但し、該外側容器はその側壁の半径 方向内側において内側容器側壁と、両側壁の間に薄い環状空間を保つように配置 され、外側容器の底部壁と、内側容器の側壁及び頂部壁との間に乾燥室を画定す る。)と、 内側容器の頂部壁を通って伸びる入口と、 外側容器の側壁を通って伸ひる出口と、 該乾燥室から該出口を通して液体を追い出すための手段と を含む前記アセンブリ。 20.液体を追い出すための手段が、 出口から薄い環状空間を通って下方へ底部壁に隣接する位置まで伸びる管と、 該出口に連結したポンプと、 乾燥室から追い出された溶剤蒸気を凝縮させるための、該出口に連結した凝縮 器と を含む請求項19記載の乾燥室アセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/904,858 US5243769A (en) | 1992-06-26 | 1992-06-26 | Process for rapidly drying a wet, porous gel monolith |
US07/904,858 | 1992-06-26 | ||
PCT/US1993/006019 WO1994000396A1 (en) | 1992-06-26 | 1993-06-23 | Process and apparatus for rapidly drying a wet, porous gel monolith |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08500810A true JPH08500810A (ja) | 1996-01-30 |
JP3514457B2 JP3514457B2 (ja) | 2004-03-31 |
Family
ID=25419897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50256194A Expired - Fee Related JP3514457B2 (ja) | 1992-06-26 | 1993-06-23 | 湿った多孔質ゲルモノリスの迅速乾燥方法及び装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US5243769A (ja) |
EP (1) | EP0647211B1 (ja) |
JP (1) | JP3514457B2 (ja) |
AU (1) | AU668203B2 (ja) |
CA (1) | CA2136222C (ja) |
DE (1) | DE69300976T2 (ja) |
WO (1) | WO1994000396A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016522146A (ja) * | 2013-05-07 | 2016-07-28 | 弘大科技(北京)有限公司Hong Da Technology (Bei Jing) Co.Ltd. | 減圧乾燥によるエアロゲルの製造方法及び装置 |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH077012B2 (ja) * | 1987-08-18 | 1995-01-30 | 富士通株式会社 | 加速度センサ |
US5575079A (en) * | 1993-10-29 | 1996-11-19 | Tokyo Electron Limited | Substrate drying apparatus and substrate drying method |
US5562752A (en) * | 1994-03-31 | 1996-10-08 | Lucent Technologies Inc. | Process of manufacturing vitreous silica product including hydrothermally treating a colloidal sol-gel |
US5473826A (en) * | 1994-08-19 | 1995-12-12 | Yazaki Corporation | Process for drying sol-gel derived porous bodies at elevated subcritical temperatures and pressures |
KR960010901A (ko) * | 1994-09-30 | 1996-04-20 | 김광호 | 고체 유기화합물 전용 버블러 장치 |
CA2161160C (en) * | 1994-12-29 | 2000-01-04 | Edwin Arthur Chandross | Fabrication including sol-gel float processing |
US5680713A (en) * | 1996-03-05 | 1997-10-28 | Hoechst Aktiengesellschaft | Process for the subcritical drying of aerogels |
US5875564A (en) * | 1997-08-19 | 1999-03-02 | Yazaki Corporation | Method and apparatus for drying wet porous bodies under subcritical temperatures and pressures |
US6248168B1 (en) * | 1997-12-15 | 2001-06-19 | Tokyo Electron Limited | Spin coating apparatus including aging unit and solvent replacement unit |
US6158244A (en) * | 1998-03-16 | 2000-12-12 | The Regents Of The University Of California | Method of producing optical quality glass having a selected refractive index |
US6620368B1 (en) | 2000-07-13 | 2003-09-16 | Simax Technologies, Inc. | Sol-gel process for production of oxide-based glass and ceramic articles |
US6635119B1 (en) | 2000-10-12 | 2003-10-21 | General Electric Company | Method of cleaning pressurized containers containing liquified petroleum gas |
US6758913B1 (en) | 2000-10-12 | 2004-07-06 | General Electric Company | Method of cleaning pressurized containers containing anhydrous ammonia |
US6539961B1 (en) | 2000-10-12 | 2003-04-01 | General Electric Company | System for cleaning pressurized containers such as mobile railcars |
US6926776B1 (en) | 2000-10-12 | 2005-08-09 | General Electric Company | Method for cleaning pressurized containers containing chlorine gas or sulfur dioxide gas |
US6532684B1 (en) * | 2000-10-12 | 2003-03-18 | General Electric Company | System for cleaning pressurized containers |
US6793740B1 (en) | 2000-10-12 | 2004-09-21 | General Electric Company | Method for cleaning pressurized containers containing moisture sensitive chemicals |
US6443166B1 (en) | 2000-10-12 | 2002-09-03 | General Electric Company | Method of cleaning a pressurized container |
EP1346182B1 (en) * | 2000-12-20 | 2007-07-18 | Yazaki Corporation | Apparatus and related method for rapid cure of sol-gel coatings |
US6508014B2 (en) * | 2001-02-16 | 2003-01-21 | International Business Machines Corporation | Method of drying substrates |
US7125912B2 (en) * | 2001-10-09 | 2006-10-24 | Simax Technologies, Inc. | Doped sol-gel materials and method of manufacture utilizing reduced mixing temperatures |
US7026362B2 (en) * | 2001-10-09 | 2006-04-11 | Simax Technologies, Inc. | Sol-gel process utilizing reduced mixing temperatures |
US7001568B2 (en) * | 2002-02-01 | 2006-02-21 | Simax Technologies, Inc. | Method of removing liquid from pores of a sol-gel monolith |
US20040194511A1 (en) * | 2002-02-01 | 2004-10-07 | Chih-Hsing Cheng | Sol-gel-derived halogen-doped glass |
US7000885B2 (en) * | 2002-02-01 | 2006-02-21 | Simax Technologies, Inc. | Apparatus and method for forming a sol-gel monolith utilizing multiple casting |
US20030147606A1 (en) * | 2002-02-01 | 2003-08-07 | Shiho Wang | Sol-gel-based optical preforms and methods of manufacture |
US6928220B2 (en) * | 2002-02-01 | 2005-08-09 | Simax Technologies, Inc. | Sol-gel-derived optical fiber preform and method of manufacture |
WO2003102001A1 (en) * | 2002-05-31 | 2003-12-11 | Mcmaster University | Polyol-modified silanes as precursors for silica |
CA2496736C (en) * | 2002-08-23 | 2012-11-13 | Mcmaster University | Methods and compounds for controlling the morphology and shrinkage of silica derived from polyol-modified silanes |
ITNO20030001A1 (it) * | 2003-01-15 | 2004-07-16 | Novara Technology Srl | Processo sol-gel per la produzione di articoli vetrosi. |
PT103257B (pt) | 2005-04-05 | 2007-05-31 | Inst Superior Tecnico | Método de produção subcrítica de xerogéis e aerogéis monolíticos híbridos de sílica e látex modificado com grupos alcoxissilano |
ITMI20052333A1 (it) * | 2005-12-06 | 2007-06-07 | Degussa Novara Technology S P A | Procedimento sol-gel per la realizzazione di stampi per processi fotocatalitici |
US8454918B2 (en) * | 2008-06-10 | 2013-06-04 | Nanotune Technologies Corp. | Nanoporous materials and related methods |
JP4712879B2 (ja) * | 2009-02-19 | 2011-06-29 | 公立大学法人首都大学東京 | 含水湿潤ゲルの乾燥方法及び含水湿潤ゲルの乾燥装置 |
CN101871573A (zh) * | 2010-06-03 | 2010-10-27 | 濮阳市普天化工有限公司 | 液氯汽化装置 |
WO2017079274A1 (en) | 2015-11-02 | 2017-05-11 | Metashield Llc | Nanosilica based compositions, structures and apparatus incorporating same and related methods |
FR3086938B1 (fr) * | 2018-10-05 | 2021-05-21 | Commissariat Energie Atomique | Procede de preparation de materiau sol-gel silicate nanoporeux monolithique |
CN114034163A (zh) * | 2021-11-11 | 2022-02-11 | 中国建筑材料科学研究总院有限公司 | 陶瓷坯干燥方法及干燥装置 |
Family Cites Families (8)
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DE1185544B (de) * | 1963-05-10 | 1965-01-14 | Leybold Hockvakuum Anlagen G M | Mit gasfoermigem Kuehlmittel betriebene Gefriertrocknungskammer |
US4849378A (en) * | 1985-02-25 | 1989-07-18 | University Of Florida | Ultraporous gel monoliths having predetermined pore sizes and their production |
US4776867A (en) * | 1986-08-15 | 1988-10-11 | Gte Laboratories Incorporated | Process for molding optical components of silicate glass to a near net shape optical precision |
US4786618A (en) * | 1987-05-29 | 1988-11-22 | Corning Glass Works | Sol-gel method for making ultra-low expansion glass |
JPH01119530A (ja) * | 1987-11-02 | 1989-05-11 | Seiko Epson Corp | ガラスの製造方法 |
JPH0672742B2 (ja) * | 1989-05-12 | 1994-09-14 | 共和真空技術株式会社 | 凍結真空乾燥装置および凍結真空乾燥方法 |
US5076980A (en) * | 1990-08-01 | 1991-12-31 | Geltech, Inc. | Method of making sol-gel monoliths |
JPH06317225A (ja) * | 1993-04-30 | 1994-11-15 | Isuzu Motors Ltd | ディーゼルエンジン |
-
1992
- 1992-06-26 US US07/904,858 patent/US5243769A/en not_active Expired - Lifetime
-
1993
- 1993-04-29 US US08/028,961 patent/US5343633A/en not_active Expired - Lifetime
- 1993-06-23 AU AU46483/93A patent/AU668203B2/en not_active Ceased
- 1993-06-23 WO PCT/US1993/006019 patent/WO1994000396A1/en active IP Right Grant
- 1993-06-23 EP EP93916720A patent/EP0647211B1/en not_active Expired - Lifetime
- 1993-06-23 DE DE69300976T patent/DE69300976T2/de not_active Expired - Fee Related
- 1993-06-23 CA CA002136222A patent/CA2136222C/en not_active Expired - Fee Related
- 1993-06-23 JP JP50256194A patent/JP3514457B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016522146A (ja) * | 2013-05-07 | 2016-07-28 | 弘大科技(北京)有限公司Hong Da Technology (Bei Jing) Co.Ltd. | 減圧乾燥によるエアロゲルの製造方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
US5343633A (en) | 1994-09-06 |
EP0647211B1 (en) | 1995-12-06 |
CA2136222A1 (en) | 1994-01-06 |
WO1994000396A1 (en) | 1994-01-06 |
US5243769A (en) | 1993-09-14 |
EP0647211A1 (en) | 1995-04-12 |
DE69300976D1 (de) | 1996-01-18 |
DE69300976T2 (de) | 1996-08-01 |
AU668203B2 (en) | 1996-04-26 |
AU4648393A (en) | 1994-01-24 |
JP3514457B2 (ja) | 2004-03-31 |
CA2136222C (en) | 2004-01-13 |
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