ATE227247T1 - Verfahren zur herstellung von kugelartigen aggregaten aus plättchenförmigem synthetischem hydrotalcit - Google Patents

Verfahren zur herstellung von kugelartigen aggregaten aus plättchenförmigem synthetischem hydrotalcit

Info

Publication number
ATE227247T1
ATE227247T1 AT94926477T AT94926477T ATE227247T1 AT E227247 T1 ATE227247 T1 AT E227247T1 AT 94926477 T AT94926477 T AT 94926477T AT 94926477 T AT94926477 T AT 94926477T AT E227247 T1 ATE227247 T1 AT E227247T1
Authority
AT
Austria
Prior art keywords
synthetic hydrotalcite
disclosed
reaction mixture
plate
shaped synthetic
Prior art date
Application number
AT94926477T
Other languages
English (en)
Inventor
Sherman D Cox
Kenneth J Wise
Original Assignee
Minerals Tech Inc
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
Application filed by Minerals Tech Inc filed Critical Minerals Tech Inc
Application granted granted Critical
Publication of ATE227247T1 publication Critical patent/ATE227247T1/de

Links

Classifications

    • 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
    • C01F7/00—Compounds of aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28011—Other properties, e.g. density, crush strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • B01J20/28019—Spherical, ellipsoidal or cylindrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28059—Surface area, e.g. B.E.T specific surface area being less than 100 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • 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
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • 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
    • 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
    • C01F7/00—Compounds of aluminium
    • C01F7/78—Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements
    • C01F7/784—Layered double hydroxide, e.g. comprising nitrate, sulfate or carbonate ions as intercalating anions
    • C01F7/785—Hydrotalcite
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/40—Compounds of aluminium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/20—Two-dimensional structures
    • C01P2002/22—Two-dimensional structures layered hydroxide-type, e.g. of the hydrotalcite-type
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/45—Aggregated particles or particles with an intergrown morphology
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • C01P2006/12—Surface area
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Luminescent Compositions (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AT94926477T 1994-08-04 1994-08-04 Verfahren zur herstellung von kugelartigen aggregaten aus plättchenförmigem synthetischem hydrotalcit ATE227247T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1994/008830 WO1996004205A1 (en) 1992-10-21 1994-08-04 Spheroidal aggregate of platy synthetic hydrotalcite

Publications (1)

Publication Number Publication Date
ATE227247T1 true ATE227247T1 (de) 2002-11-15

Family

ID=22242813

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94926477T ATE227247T1 (de) 1994-08-04 1994-08-04 Verfahren zur herstellung von kugelartigen aggregaten aus plättchenförmigem synthetischem hydrotalcit

Country Status (12)

Country Link
US (2) US5364828A (de)
EP (1) EP0722422B1 (de)
JP (1) JPH09503484A (de)
KR (1) KR960704801A (de)
AT (1) ATE227247T1 (de)
CA (1) CA2173465C (de)
DE (1) DE69431664T2 (de)
DK (1) DK0722422T3 (de)
ES (1) ES2185664T3 (de)
PT (1) PT722422E (de)
TW (1) TW371293B (de)
WO (1) WO1996004205A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5474715A (en) * 1992-09-10 1995-12-12 Tdk Corporation Photochromic material, photochromic thin film, clay thin film, and their preparation
US5955048A (en) * 1995-09-27 1999-09-21 Aluminum Company Of America Process for making flash activated hydrotalcite
ES2133136B1 (es) * 1997-12-30 2000-04-01 Ferrer Int Nuevo carbonato basico de aluminio y magnesio.
NL1009934C2 (nl) 1998-08-24 2000-02-25 Akcros Chemicals V O F Anionische kleien, anionische kleien bevattende stabilisatoren, werkwijze voor het stabiliseren van samenstellingen van polymeren.
DE69939834D1 (de) * 1998-09-25 2008-12-11 Worsley Alumina Pty Ltd Verfahren zur Kaustifizierung von Bayer-Prozesslaugen
CN1321138A (zh) * 1999-07-08 2001-11-07 水泽化学工业株式会社 复合多碱盐及其制法及用途
US6251356B1 (en) 1999-07-21 2001-06-26 G. R. International, Inc. High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation
WO2001042335A1 (en) * 1999-12-10 2001-06-14 Dow Global Technologies Inc. Catalyst systems for polycondensation reactions
US6854386B2 (en) 2000-10-31 2005-02-15 International Imaging Materials Inc. Ceramic decal assembly
US6990904B2 (en) 2000-10-31 2006-01-31 International Imaging Materials, Inc Thermal transfer assembly for ceramic imaging
US6796733B2 (en) 2000-10-31 2004-09-28 International Imaging Materials Inc. Thermal transfer ribbon with frosting ink layer
US7048900B2 (en) 2001-01-31 2006-05-23 G.R. International, Inc. Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment
EP1506248B1 (de) * 2002-05-09 2006-11-08 Equipolymers GmbH Katalysatorsystem für polykondensationsreaktionen
US6998100B2 (en) * 2003-11-19 2006-02-14 Toll Processing And Consulting, Llc Sulfur oxide sorption with layered chlorite-type contact solids
JP2005335965A (ja) * 2004-05-24 2005-12-08 National Institute For Materials Science ヘキサメチレンテトラミンを用いた均一沈殿法による良質な層状複水酸化物の製造方法およびその用途
WO2006123284A2 (en) * 2005-05-19 2006-11-23 Labuschagne Frederik Johannes Production of hydrotalcite
KR100775602B1 (ko) * 2006-10-24 2007-11-15 신원화학 주식회사 하이드로탈사이트의 제조방법
CN101049953A (zh) * 2007-01-12 2007-10-10 北京化工大学 一种层状双羟基复合金属氧化物微球及其制备方法
WO2009039133A1 (en) * 2007-09-17 2009-03-26 Areva Federal Services Llc A process for removal of aluminum oxides from aqueous media
JP5249105B2 (ja) * 2009-03-27 2013-07-31 協和化学工業株式会社 新規合成ハイドロタルサイト粒子
GB0913525D0 (en) * 2009-08-03 2009-09-16 Ineos Healthcare Ltd Method
JP5447539B2 (ja) * 2010-02-09 2014-03-19 東亞合成株式会社 球状ハイドロタルサイト化合物および電子部品封止用樹脂組成物
US8293952B2 (en) 2010-03-31 2012-10-23 Exxonmobil Research And Engineering Company Methods for producing pyrolysis products
CA2795044A1 (en) 2010-03-31 2011-10-06 Exxonmobil Research And Engineering Company Methods for producing pyrolysis products
CN105518930B (zh) 2013-07-08 2019-10-29 斐源有限公司 电解质再生
CN106663830B (zh) 2014-04-13 2019-07-05 奥科宁克有限公司 用于碱水溶液再生的系统和方法
US10040735B2 (en) 2014-05-08 2018-08-07 Exxonmobil Research And Engineering Company Method of producing an alcohol-containing pyrolisis product
DK3191406T3 (da) * 2014-09-12 2021-02-08 Usalco Llc Fremgangsmåde til fremstilling af aluminiumchloridderivater
CN108137339B (zh) * 2015-09-24 2020-06-16 丹石产业株式会社 水滑石及其制备方法
EP3697837A4 (de) 2017-10-18 2021-07-28 Ascend Performance Materials Operations LLC Halogenhaltige feuerfeste polyamidzusammensetzungen
WO2020222022A1 (en) * 2019-05-02 2020-11-05 Oxford University Innovation Limited New uses of magnesium phosphate containing minerals
CN110323071B (zh) * 2019-05-10 2020-09-04 北京化工大学 一种二氧化钛和钴铝水滑石异质结无机复合材料及其作为光充电超级电容器的应用
US11896948B2 (en) * 2022-02-01 2024-02-13 University Of Central Florida Research Foundation, Inc. Synergistic zero-valent iron-based green sorption media for contaminant removal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US359306A (en) * 1887-03-15 Charles wittenberg
US3539306A (en) * 1966-07-25 1970-11-10 Kyowa Chem Ind Co Ltd Process for the preparation of hydrotalcite
US4904457A (en) * 1974-03-30 1990-02-27 Aluminum Company Of America Synthetic hydrotalcite
US4476324A (en) * 1982-06-02 1984-10-09 Union Carbide Corporation Catalyzed aldol condensations
JPS58214338A (ja) * 1982-06-04 1983-12-13 Kyowa Chem Ind Co Ltd 複合吸着剤
US4656156A (en) * 1986-01-21 1987-04-07 Aluminum Company Of America Adsorbent and substrate products and method of producing same
JPS62290765A (ja) * 1986-06-10 1987-12-17 Toagosei Chem Ind Co Ltd 無機系塗料
JP2642934B2 (ja) * 1987-07-31 1997-08-20 協和化学工業 株式会社 合成樹脂フイルム用ブロツキング防止剤及び組成物
US4774212A (en) * 1987-12-22 1988-09-27 Amoco Corporation Pillared hydrotalcites
US4883533A (en) * 1988-07-05 1989-11-28 J. M. Huber Corporation Modified synthetic hydrotalcite
FR2660669B1 (fr) * 1990-04-04 1992-06-19 Air Liquide Procede et installation de traitement thermique d'objets avec trempe en milieux gazeux.
US5179063A (en) * 1992-02-13 1993-01-12 Phillips Petroleum Company Hydrotalcite composition
JP2925857B2 (ja) * 1992-10-13 1999-07-28 水澤化学工業株式会社 樹脂用配合剤
JPH06207124A (ja) * 1993-01-12 1994-07-26 Kansai Paint Co Ltd 水性エマルジョン塗料

Also Published As

Publication number Publication date
EP0722422A1 (de) 1996-07-24
PT722422E (pt) 2003-01-31
EP0722422B1 (de) 2002-11-06
US5364828A (en) 1994-11-15
US5437720A (en) 1995-08-01
DK0722422T3 (da) 2002-11-25
KR960704801A (ko) 1996-10-09
DE69431664T2 (de) 2003-09-18
JPH09503484A (ja) 1997-04-08
TW371293B (en) 1999-10-01
CA2173465A1 (en) 1996-02-15
ES2185664T3 (es) 2003-05-01
WO1996004205A1 (en) 1996-02-15
DE69431664D1 (de) 2002-12-12
CA2173465C (en) 2005-04-12

Similar Documents

Publication Publication Date Title
ATE227247T1 (de) Verfahren zur herstellung von kugelartigen aggregaten aus plättchenförmigem synthetischem hydrotalcit
TW215074B (de)
CA2466261A1 (en) Surface-treated calcium carbonate, production method thereof, and resin composition containing the calcium carbonate
US4124688A (en) Process for preparing cubic crystals of calcium carbonate
GR900100722A (en) Method of producing a reagent containing a narrow distribution of colloidal particles of a selected size and the use thereof
KR930016344A (ko) 다공성인 구형 실리카 또는 실리케이트 입자체, 이것의 제조방법 및 이것의 적용
GB2312670A (en) Producing calcium carbonate particles having a size 0.1 to 1 micron
JPS636494B2 (de)
CA1254717A (en) Magnesium hydroxide and process for its production
JP2003306325A (ja) 塩基性炭酸マグネシウム及びその製造方法、並びに該塩基性炭酸マグネシウムを含有する組成物又は構造体
JPS6350316A (ja) 六角板状粒子炭酸カルシウムの生成方法
ATE219138T1 (de) Verfahren zur herstellung von waschmittel mit niedrigem schüttgewicht durch agglomerierung mit anorganischem doppelsalz
CN1179401A (zh) 晶形纳米级碳酸钙的生产方法
JPH07223813A (ja) 多孔質炭酸カルシウム系化合物及びその製造方法
JP3362239B2 (ja) 板状炭酸カルシウムの製造方法
JPH05116936A (ja) 高分散性板状炭酸カルシウムの製造方法
CA2196124C (en) Process for preparing colloidal calcium carbonate by particle size
US4276271A (en) Process for the removal of hydrogen sulfide from gas mixtures
JPH0262483B2 (de)
JPH0262484B2 (de)
JPH0696449B2 (ja) 板状炭酸カルシウムの製造方法
JPS57123822A (en) Preparation of calcite-type calcium carbonate crystal
Ahn et al. Synthesis of precipitated calcium carbonate in Ca (OH) 2-CO 2-H 2 O system by the continuous drop method of Ca (OH) 2 slurry
JPH01301511A (ja) バテライト型球状炭酸カルシウムの製造方法
SU1288179A1 (ru) Способ получени медленнодействующего удобрени

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 0722422

Country of ref document: EP

EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee