KR920004018A - 다공성 티타니아(Titania)기질 및 이의 제조방법 - Google Patents

다공성 티타니아(Titania)기질 및 이의 제조방법 Download PDF

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Publication number
KR920004018A
KR920004018A KR1019910013591A KR910013591A KR920004018A KR 920004018 A KR920004018 A KR 920004018A KR 1019910013591 A KR1019910013591 A KR 1019910013591A KR 910013591 A KR910013591 A KR 910013591A KR 920004018 A KR920004018 A KR 920004018A
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Prior art keywords
substrate
porous titania
titania
pore size
porous
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KR1019910013591A
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English (en)
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캐서린 페이버 마가리트
헨리 허긴스 존
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알프레드 엘. 미첼슨
코닝 인코오포레이티드
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Application filed by 알프레드 엘. 미첼슨, 코닝 인코오포레이티드 filed Critical 알프레드 엘. 미첼슨
Publication of KR920004018A publication Critical patent/KR920004018A/ko

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
    • B01D39/2075—Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/108—Inorganic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00405—Materials with a gradually increasing or decreasing concentration of ingredients or property from one layer to another
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • C04B2111/00801—Membranes; Diaphragms
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Filtering Materials (AREA)

Abstract

내용 없음

Description

다공성 티타니아(Titania)기질 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 멤브레인 지지체의 사시도이고,
제2도는 제1도의 A-A선을 따라 절단한 멤브레인 지지체의 단면도.

Claims (10)

  1. 적어도 7㎛의 평균 기공크기의 이산화티타늄을 함유한 소결된 이산화티타늄 분말로 제조되고, 약 대략 3∼15㎛의 평균 기공크기를 함유하고, 약 1∼4㎛사이의 범위에서 가파른 기공크기 분포 및 대략 30 부피%보다 큰 전체 수은 다공율을 함유하여 분리와 여과에서 멤브레인의 지지체용 다공성 티타니아 기질.
  2. 제 1항에 있어서, 상기 기질이 적어도 50㎏/㎤의 파괴계수(MOR)를 가진 것을 특징으로 하는 다공성 티타니아 기질.
  3. 제 2항에 있어서, 전체 수은 다공율이 적어도 약 40%인 것을 특징으로 하는 다공성 티타니아 기질.
  4. 제 1항, 제 2항 또는 제 3항에 있어서, 기질의 평균 기공 크기가 약 5∼15㎛인 것을 특징으로 하는 다공성 티타니아 기질.
  5. 제 1항, 제 2항, 제 3항 또는 제 4항에 있어서, 상기 기질이 벌집형 구조인 것을 특징으로 하는 다공성 티타니아 기질.
  6. 제 5항에 있어서, 상기 벌집형 구조의 횡단 단면적이 적어도 7.75cells/㎤을 가진 것을 특징으로 하는 다공성 티타니아 기질.
  7. 제 1 내지 6항중 어느 한 항에 있어서, 상기 기질은 그위에 형성된 미세 다공성 티타니아 분리 멤브레인을 가지고 있는 것을 특징으로 하는 다공성 티타니아 기질.
  8. 제 7항에 있어서, 상기 멤브레인은 적어도 100㎛의 용질 도는 부유입자 또는 분자를 분리하거나 여과하여 제거할 수 있는 기공크기를 가진 것을 특징으로 하는 다공성 티타니아 기질.
  9. 제 7항 또는 8항에 있어서, 상기 멤브레인은 연속적으로 입자 크기가 작아지는 미세 티타니아 분말의 다층구조로 제조되고, 바람직하게는 약 1∼50㎛의 두께를 가진 것을 특징으로 하는 다공성 티타니아 기질.
  10. (a) 적어도 7㎛의 입자크기와 약 1∼4㎛사이의 범위에서 좁은 기공크기 분포를 가진 티타니아 입자를 함유한 적어도 하나의 티타니아 분말로 부터 기질 또는 지지체를 제조하는 단계 및 (b)상기의 기질 또는 지지체를 약 1,100∼1,460℃의 범위에서 소결하는 단계로 구성된 제 1항 내지 제 9항중 어느 한항에 의해 제조된 다공성 티타니아 기질 또는 지지체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910013591A 1990-08-06 1991-08-06 다공성 티타니아(Titania)기질 및 이의 제조방법 KR920004018A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US562,802 1990-08-06
US07/562,802 US5223318A (en) 1990-08-06 1990-08-06 Titania substrates and fabrication

Publications (1)

Publication Number Publication Date
KR920004018A true KR920004018A (ko) 1992-03-27

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ID=24247840

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KR1019910013591A KR920004018A (ko) 1990-08-06 1991-08-06 다공성 티타니아(Titania)기질 및 이의 제조방법

Country Status (6)

Country Link
US (1) US5223318A (ko)
EP (1) EP0470340B1 (ko)
JP (1) JPH04231387A (ko)
KR (1) KR920004018A (ko)
BR (1) BR9103259A (ko)
DE (1) DE69101954T2 (ko)

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KR100886906B1 (ko) * 2007-03-23 2009-03-05 강릉대학교산학협력단 나노 다공성 광촉매 티타니아 표면을 구비한 티타늄 분리막의 제조방법

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Also Published As

Publication number Publication date
DE69101954D1 (de) 1994-06-16
JPH04231387A (ja) 1992-08-20
US5223318A (en) 1993-06-29
BR9103259A (pt) 1992-05-26
EP0470340A1 (en) 1992-02-12
DE69101954T2 (de) 1994-12-01
EP0470340B1 (en) 1994-05-11

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