DE69301917D1 - Verfahren zur herstellung von polysilikatmikrogelen niedriger konzentration - Google Patents

Verfahren zur herstellung von polysilikatmikrogelen niedriger konzentration

Info

Publication number
DE69301917D1
DE69301917D1 DE69301917T DE69301917T DE69301917D1 DE 69301917 D1 DE69301917 D1 DE 69301917D1 DE 69301917 T DE69301917 T DE 69301917T DE 69301917 T DE69301917 T DE 69301917T DE 69301917 D1 DE69301917 D1 DE 69301917D1
Authority
DE
Germany
Prior art keywords
low concentration
polysilicate microgels
producing low
concentration polysilicate
microgels
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.)
Expired - Lifetime
Application number
DE69301917T
Other languages
English (en)
Other versions
DE69301917T2 (de
Inventor
Robert Moffett
John Rushmere
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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=25391877&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69301917(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69301917D1 publication Critical patent/DE69301917D1/de
Application granted granted Critical
Publication of DE69301917T2 publication Critical patent/DE69301917T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
    • Y10S516/922—Colloid systems having specified particle size, range, or distribution, e.g. bimodal particle distribution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Silicon Polymers (AREA)
DE69301917T 1992-05-26 1993-05-20 Verfahren zur herstellung von polysilikatmikrogelen niedriger konzentration Expired - Lifetime DE69301917T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/887,793 US5279807A (en) 1992-05-26 1992-05-26 Method for preparing low-concentration polysilicate microgels
PCT/US1993/004610 WO1993024409A1 (en) 1992-05-26 1993-05-20 Method for preparing low-concentration polysilicate microgels

Publications (2)

Publication Number Publication Date
DE69301917D1 true DE69301917D1 (de) 1996-04-25
DE69301917T2 DE69301917T2 (de) 1996-09-05

Family

ID=25391877

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69301917T Expired - Lifetime DE69301917T2 (de) 1992-05-26 1993-05-20 Verfahren zur herstellung von polysilikatmikrogelen niedriger konzentration

Country Status (12)

Country Link
US (2) US5279807A (de)
EP (1) EP0642466B1 (de)
JP (1) JP2738981B2 (de)
AT (1) ATE135665T1 (de)
AU (1) AU661175B2 (de)
BR (1) BR9306543A (de)
DE (1) DE69301917T2 (de)
DK (1) DK0642466T3 (de)
ES (1) ES2086227T3 (de)
GR (1) GR3019596T3 (de)
NO (1) NO313823B1 (de)
WO (1) WO1993024409A1 (de)

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US5503820A (en) * 1992-05-26 1996-04-02 E. I. Du Pont De Nemours And Company Method for preparing low-concentration polysilicate microgels
US5980836A (en) * 1992-05-26 1999-11-09 E. I. Du Pont De Nemours And Company Apparatus for preparing low-concentration polyaluminosilicate microgels
US5707494A (en) * 1994-03-14 1998-01-13 E. I. Du Pont De Nemours And Company Process for preparing water soluble polyaluminosilicates
JPH11500351A (ja) * 1995-02-24 1999-01-12 エクソン ケミカル パテンツ インコーポレイテッド 添加剤混合システム及び方法
US5846384A (en) * 1995-06-15 1998-12-08 Eka Chemicals Ab Process for the production of paper
SE9502522D0 (sv) * 1995-07-07 1995-07-07 Eka Nobel Ab A process for the production of paper
ZA969361B (en) * 1995-11-08 1997-05-08 Minerals Tech Inc Synthetic mineral microparticles and retention aid and water treatment systems
GB9603909D0 (en) 1996-02-23 1996-04-24 Allied Colloids Ltd Production of paper
US5900116A (en) * 1997-05-19 1999-05-04 Sortwell & Co. Method of making paper
EP0983210A1 (de) 1997-05-19 2000-03-08 Sortwell & Co Verfahren zur behandlung von wasser mit verwendung von zeolitcrystalloid koaguliermittel
CA2289711C (en) * 1997-06-04 2007-11-27 E.I. Du Pont De Nemours And Company Improved method for preparing low-concentration polyaluminosilicate microgels
RU2189351C2 (ru) 1997-06-09 2002-09-20 Акцо Нобель Н.В. Полисиликатные микрогели и материалы на основе диоксида кремния
ATE427910T1 (de) 1997-06-09 2009-04-15 Akzo Nobel Nv Polysilikat-mirkogele
KR100573343B1 (ko) * 1997-06-13 2006-04-24 이 아이 듀폰 디 네모아 앤드 캄파니 저-농도 폴리알루미노실리케이트 마이크로겔의 개선된제조 방법
CO5070714A1 (es) 1998-03-06 2001-08-28 Nalco Chemical Co Proceso para la preparacion de silice coloidal estable
US6183650B1 (en) 1998-05-04 2001-02-06 Minerals Technologies Inc. Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles
US6060523A (en) * 1998-07-20 2000-05-09 E. I. Du Pont De Nemours And Company Continuous process for preparing microgels
US7169261B2 (en) 1999-05-04 2007-01-30 Akzo Nobel N.V. Silica-based sols
DE60029778T2 (de) * 1999-05-04 2007-10-18 Akzo Nobel N.V. Sole auf der basis von kieselsäure
KR100357638B1 (ko) * 1999-08-31 2002-10-25 삼성전자 주식회사 실리카 솔의 초음파 분산 장치
US6274112B1 (en) * 1999-12-08 2001-08-14 E. I. Du Pont De Nemours And Company Continuous production of silica-based microgels
US7905653B2 (en) * 2001-07-31 2011-03-15 Mega Fluid Systems, Inc. Method and apparatus for blending process materials
CN100457620C (zh) * 2002-01-28 2009-02-04 国家非金属矿深加工工程技术研究中心 天然硅酸镁铝凝胶的制备方法
US6883957B2 (en) * 2002-05-08 2005-04-26 Cytonome, Inc. On chip dilution system
US7732495B2 (en) * 2004-04-07 2010-06-08 Akzo Nobel N.V. Silica-based sols and their production and use
US7629392B2 (en) * 2004-04-07 2009-12-08 Akzo Nobel N.V. Silica-based sols and their production and use
WO2006058855A2 (en) * 2004-12-01 2006-06-08 Ciba Specialty Chemicals Water Treatments Limited High velocity, low pressure process for making silica gels and microgels
DE102005018243A1 (de) * 2005-04-19 2006-10-26 Henkel Kgaa Verfahren zur Erzeugung flüssiger Zubereitungen mit Festkörpergehalt
JP2010505048A (ja) * 2006-09-27 2010-02-18 チバ ホールディング インコーポレーテッド 珪質組成物および製紙におけるその使用
US8409647B2 (en) * 2008-08-12 2013-04-02 E. I. Du Pont De Nemours And Company Silica microgels for reducing chill haze
US8609068B2 (en) 2010-02-24 2013-12-17 J.M. Huber Corporation Continuous silica production process and silica product prepared from same
CA2803904C (en) 2010-07-26 2014-01-28 Sortwell & Co. Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent anionic polymers for clay aggregation
US9028605B2 (en) 2011-02-25 2015-05-12 J.M. Huber Corporation Coating compositions comprising spheroid silica or silicate
US8721896B2 (en) 2012-01-25 2014-05-13 Sortwell & Co. Method for dispersing and aggregating components of mineral slurries and low molecular weight multivalent polymers for mineral aggregation
CN108130801B (zh) * 2013-12-18 2020-11-24 艺康美国股份有限公司 生产用于造纸的活化胶态二氧化硅的方法

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US2234285A (en) * 1937-04-02 1941-03-11 William B Schworm Treatment of natural waters
US2217466A (en) * 1937-09-17 1940-10-08 City Of Chicago Composition of matter for water treatment
US2310009A (en) * 1938-09-21 1943-02-02 Philadelphia Quartz Co Water purification
US2444774A (en) * 1943-11-03 1948-07-06 Philadelphia Quartz Co Purification of raw waters
US2466842A (en) * 1945-11-15 1949-04-12 Davison Chemical Corp Method for making silica hydrosol
US2769785A (en) * 1950-09-02 1956-11-06 B I F Ind Inc Continuous silica sol apparatus
GB827586A (en) * 1955-03-15 1960-02-10 Water Res Ass Improvements in or relating to the treatment of water
GB1044019A (en) * 1963-10-17 1966-09-28 Permutit Co Ltd Improvements relating to the production of silica sol
GB1300946A (en) * 1966-05-26 1972-12-29 Peter Spence And Sons Ltd Improvements in or relating to the preparation of active siliceous compounds and their use in the production of crystalline synthetic zeolites
GB1386686A (en) * 1972-09-13 1975-03-12 Pfeiffer Vakuumtechnik Production of casting resins
DE2346347A1 (de) * 1973-09-14 1975-03-27 Demag Kunststofftech Mischvorrichtung fuer die formgebende verarbeitung von sich aus mehreren, vorzugsweise fluessigen komponenten bildenden kunststoffen
US4204977A (en) * 1976-02-09 1980-05-27 Olin Corporation Polyurethane foam generating apparatus
AU499635B2 (en) * 1976-02-20 1979-04-26 Thapa Chemical Industry Co Ltd Material mixing apparatus
DE2631588B2 (de) * 1976-07-14 1979-06-07 Elastogran Maschinenbau Gmbh & Co, 8021 Strasslach Vorrichtung zur Herstellung von Kunststoffen, insbesondere Polyurethan, aus mindestens zwei reaktiven Komponenten
US4213950A (en) * 1978-12-22 1980-07-22 E. I. Du Pont De Nemours And Company Process for preparing amorphous particulate poly(alumino-silicate)
DE3037898A1 (de) * 1980-10-07 1982-05-06 Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten Mischkammer
JPS5926911A (ja) * 1982-08-04 1984-02-13 Toyo Soda Mfg Co Ltd 球状多孔性シリカゲルおよびその製造法
FR2567504B1 (fr) * 1984-07-11 1989-12-29 Rhone Poulenc Chim Base Colloides de silice et silices spheriques et procedes pour leur obtiention
DD270289A1 (de) * 1986-02-21 1989-07-26 Univ Schiller Jena Verfahren zur herstellung von kieselgelen, vorzugsweise fuer chromatographische anwendungen
DE3633343A1 (de) * 1986-09-10 1988-03-17 Bayer Ag Verfahren und vorrichtung zum herstellen eines kunststoff, insbesondere schaumstoff bildenden, fliessfaehigen reaktionsgemisches aus mindestens zwei fliessfaehigen reaktionskomponenten im durchlauf
US5176891A (en) * 1988-01-13 1993-01-05 Eka Chemicals, Inc. Polyaluminosilicate process
US4954220A (en) * 1988-09-16 1990-09-04 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
DE68906623T2 (de) * 1988-09-16 1993-11-11 Du Pont Polysilikatmikrogele als Rückhaltungs-/Entwässerungshilfsmittel bei der Papierherstellung.
SE500387C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler, förfarande för framställning av silikasoler samt användning av solerna i pappersframställning
US5082633A (en) * 1990-06-14 1992-01-21 The Dow Chemical Company Mix head for mixing reactive chemicals

Also Published As

Publication number Publication date
JPH07507990A (ja) 1995-09-07
NO944523L (no) 1994-11-25
EP0642466B1 (de) 1996-03-20
ATE135665T1 (de) 1996-04-15
WO1993024409A1 (en) 1993-12-09
JP2738981B2 (ja) 1998-04-08
DE69301917T2 (de) 1996-09-05
NO944523D0 (no) 1994-11-25
AU661175B2 (en) 1995-07-13
EP0642466A1 (de) 1995-03-15
BR9306543A (pt) 1998-09-15
US5312595A (en) 1994-05-17
US5279807A (en) 1994-01-18
GR3019596T3 (en) 1996-07-31
ES2086227T3 (es) 1996-06-16
NO313823B1 (no) 2002-12-09
DK0642466T3 (da) 1996-04-15
AU4249993A (en) 1993-12-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent