KR850003375A - 마그네시아 클린커 및 그의 제조법 - Google Patents

마그네시아 클린커 및 그의 제조법 Download PDF

Info

Publication number
KR850003375A
KR850003375A KR1019840005293A KR840005293A KR850003375A KR 850003375 A KR850003375 A KR 850003375A KR 1019840005293 A KR1019840005293 A KR 1019840005293A KR 840005293 A KR840005293 A KR 840005293A KR 850003375 A KR850003375 A KR 850003375A
Authority
KR
South Korea
Prior art keywords
magnesia
crystal
producing
weight
seawater
Prior art date
Application number
KR1019840005293A
Other languages
English (en)
Other versions
KR870001762B1 (ko
Inventor
후사오 가와노
Original Assignee
야마지끼 다까시
신닛뽕 가가꾸 고오교 가부시끼 가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26513598&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR850003375(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP58202843A external-priority patent/JPS6096571A/ja
Priority claimed from JP58202842A external-priority patent/JPS6096570A/ja
Application filed by 야마지끼 다까시, 신닛뽕 가가꾸 고오교 가부시끼 가이샤 filed Critical 야마지끼 다까시
Publication of KR850003375A publication Critical patent/KR850003375A/ko
Application granted granted Critical
Publication of KR870001762B1 publication Critical patent/KR870001762B1/ko

Links

Classifications

    • 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
    • C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • 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
    • C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • C04B35/043—Refractories from grain sized mixtures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/02—Magnesia
    • C01F5/06—Magnesia by thermal decomposition of magnesium compounds
    • C01F5/08—Magnesia by thermal decomposition of magnesium compounds by calcining magnesium hydroxide
    • 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
    • C04B35/013—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 containing carbon
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

내용 없음

Description

마그네시아 클린커 및 그의 제조법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 및 제2도는, 마그네시아 클린커의 파단면(破斷面)의 결정조성을 표시한 반사현미경 사진, 제3도는 배합용 마그네시아 가루의 연마면의 결정의 반사현미경 사진.

Claims (8)

  1. (a) MgO의 순도가 97중량%이상이고, (b) CaO의 함유율이 2중량%이하이며, (c) MgO, CaO이외의 불순물의 함유율이 3중량%이하로서, (d) 밀도, 곁보기 기공율이 각각 3.35(g/cc)이상 및 3.0(용량%)이하로서, (e) 마그네시아의 평균 결정지름이 100μ이상인 것을 특징으로 하는 해수마그네시아 클린커.
  2. 제1항에 있어서, 마그네시아의 결정이 100 내지 200μ 결정입자가 전체의 결정입자수의 50%이상을 점하는 것을 특징으로 하는 해수마그네시아 클린커.
  3. 수산화마그네슘, 혹은 경소마그네시아에 대하여 둥근부분이 있고, 또 20μ이상의 결정지름을 갖는 마그네시아 가루를, MgO로 환산하여, 0.2 내지 20.0중량% 배합한 후 소성하고, (a) MgO의 순도가 97중량%이상이고, (b) CaO의 함유율이 2중량%이하이며, (c) MgO, CaO이외의 불순물의 함유율이 3중량%이하로서, (d) 밀도, 곁보기 기공율이 각각 3.35(g/cc)이상 및 3.0(용량%)이하로서, (e) 마그네시아의 평균 결정지름이 100μ이상인 마그네시아 소결체로 함을 특징으로 하는 해수마그네시아 클린커의 제조방법
  4. 제3항에 있어서, 마그네시아의 결정이 100 내지 200μ 범위의 결정입자가 전체의 결정입자수의 50%이상을 점하는 것을 특징으로 하는 해수마그네시아 클린커의 제조방법.
  5. 제2항에 있어서, 배합용 마그네시아 가루의 형상이, 거의 구상인 것을 특징으로 하는 해수마그네시아 클린커의 제조방법.
  6. 제2항에 있어서, 배합용 마그네시아 가루의 결정지름이 44 내지 149μ인 것을 특징으로 하는 해수마그네시아 클린커의 제조방법.
  7. 제2항에 있어서, 배합용 마그네시아 가루의 단결정 혹은 5개이하로 된 해수마그네시아 클린커의 제조방법.
  8. 제2항에 있어서, 배합용 마그네시아 가루의 배합량이 2.0 내지 5.0중량%인 것을 특징으로 하는 해수마그네시아 클린커의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840005293A 1983-10-31 1984-08-29 마그네시아 클링커 및 그의 제조법 KR870001762B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP58-202843 1983-10-31
JP58-202842 1983-10-31
JP58202843A JPS6096571A (ja) 1983-10-31 1983-10-31 マグネシアクリンカ−
JP58-202483 1983-10-31
JP58202842A JPS6096570A (ja) 1983-10-31 1983-10-31 マグネシアクリンカ−の製造法

Publications (2)

Publication Number Publication Date
KR850003375A true KR850003375A (ko) 1985-06-17
KR870001762B1 KR870001762B1 (ko) 1987-10-06

Family

ID=26513598

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005293A KR870001762B1 (ko) 1983-10-31 1984-08-29 마그네시아 클링커 및 그의 제조법

Country Status (4)

Country Link
US (1) US4721691A (ko)
EP (1) EP0140221B1 (ko)
KR (1) KR870001762B1 (ko)
DE (1) DE3483998D1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912068A (en) * 1988-11-21 1990-03-27 Dresser Industries, Inc. Magnesite-carbon refractories
GB9005815D0 (en) * 1990-03-15 1990-05-09 Shell Int Research Process for preparing magnesia having reduced hydration tendency,hydration resistant magnesia,dry mixture for preparing magnesia based castables
JPH0737344B2 (ja) * 1990-11-28 1995-04-26 ハリマセラミック株式会社 塩基性質不定形耐火物
CN1035758C (zh) * 1991-09-28 1997-09-03 尤世昌 高钙电熔镁砂的制备方法
JPH05311412A (ja) * 1992-05-11 1993-11-22 Toppan Printing Co Ltd 蒸着材料および透明バリヤーフィルムの製造方法
KR101655842B1 (ko) * 2012-10-09 2016-09-09 임희섭 건식 온돌 보드 및 그 제조방법
NL2012271C2 (en) * 2014-02-14 2015-08-17 Nedmag Ind Mining & Mfg B V Method for producing dead burned magnesia and products obtainable thereby.
JP6507214B1 (ja) 2017-12-01 2019-04-24 宇部マテリアルズ株式会社 酸化マグネシウム粉末、その製造方法、熱伝導性樹脂組成物、熱伝導性グリス、及び熱伝導性塗料

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579781A (en) * 1951-12-25 Magnesia refractory and method of
GB1107172A (en) * 1964-04-15 1968-03-20 Mifalei Yam Hamelah B M Process for the manufacture of low-porosity burnt magnesia
GB1095871A (en) * 1964-04-15 1967-12-20 Mifalei Yam Hamelah B M Process for the manufacture of compacted bodies of calcined magnesia
AT284699B (de) * 1965-07-22 1970-09-25 Veitscher Magnesitwerke Ag Kristalliner Sinter oder daraus hergestelltes feuerfestes Erzeugnis auf Magnesiagrundlage und Verfahren zur Herstellung des Sinters
FR91681E (fr) * 1966-08-26 1968-07-26 Produits Refractaires Refractaires denses à base de magnésie
GB1361187A (en) * 1970-10-09 1974-07-24 Steetley Mfg Ltd Refractory substance
US4033778A (en) * 1971-12-01 1977-07-05 Steetley Limited Process for making magnesia
GB1413985A (en) * 1972-02-11 1975-11-12 Steetley Mfg Ltd Refractory magnesia
GB1407240A (en) * 1972-12-11 1975-09-24 Steetley Mfg Ltd Refractory shapes
JPS5224488B2 (ko) * 1973-05-14 1977-07-01
JPS5096606A (ko) * 1973-12-27 1975-07-31
DE2644038A1 (de) * 1976-09-30 1978-04-06 Continentale Erzgesellschaft M Verfahren zum herstellen von magnesia als ausgangsstoff feuerfester werkstoffe
JPS5613649A (en) * 1979-07-12 1981-02-10 Akashi Seisakusho Co Ltd Correcting method and device for astigmatism in scanning type electron microscope and the like
JPS59190218A (ja) * 1983-04-12 1984-10-29 Ube Kagaku Kogyo Kk 高密度マグネシアクリンカ−及びその製造法

Also Published As

Publication number Publication date
EP0140221A3 (en) 1987-01-07
DE3483998D1 (de) 1991-02-28
US4721691A (en) 1988-01-26
AU3402484A (en) 1985-05-09
EP0140221B1 (en) 1991-01-23
KR870001762B1 (ko) 1987-10-06
EP0140221A2 (en) 1985-05-08
AU567191B2 (en) 1987-11-12

Similar Documents

Publication Publication Date Title
US4626518A (en) Method for manufacturing high toughness sintered bodies
GB1527780A (en) Ceramic formed body
KR850003375A (ko) 마그네시아 클린커 및 그의 제조법
KR860000218A (ko) 다결정 알파 알루미나체(體)의 제조방법
KR930021577A (ko) 산화알루미늄을 포함하는 금속화 접착성이 우수한 세락믹 성형품
JPS5747843A (en) Damping composite magnesium material with high strength and wear resistance
GB1154878A (en) Improvements in or relating to Refractory Compositions
GB1323616A (en) Composition for and method of making working moulds for the ceramic industries
KR970065471A (ko) 알루미나 소결체 및 그 제조 방법
ES2009697A6 (es) Material abrasivo.
GB1004608A (en) Ceramic materials and methods of making same
KR910011692A (ko) 조대결정 마그네시아 클링커 및 그의 제조방법
GB1408087A (en) High density silicon nitride
GB1133371A (en) Improved method of preparing magnesia spinel
CA2137984C (en) Refractory mix and shapes made therefrom
KR870002871A (ko) 개선된 알칼리성 촉매
GB1413985A (en) Refractory magnesia
RU95120024A (ru) Шихта для изготовления огнеупоров с прерывистым зерновым составом
JPS6461350A (en) Alumina porcelain composition
GB1137080A (en) Solid electrolytes
KR850003881A (ko) 고밀도 마그네시아. 칼루시아 클링커 및 그 제조법
RU97113624A (ru) Масса для изготовления периклазошпинельных огнеупоров
DE69206630D1 (de) Gegossene Verbundmaterial aus Al-Mg-Sr-Matrix mit Aluminiumoxidverstärkung.
Echeberria et al. Grain Growth in Liquid-Sintered Alumina
RU2232140C1 (ru) Вяжущее для жаростойкого бетона

Legal Events

Date Code Title Description
E902 Notification of reason for refusal
G160 Decision to publish patent application
O035 Opposition [patent]: request for opposition

Free format text: OPPOSITION NUMBER: 001987000551; OPPOSITION DATE: 19871205