BR9306543A - Método aperfeiçoado para preparação contínua de microgel de polissilicato e aparelho para produção do mesmo - Google Patents

Método aperfeiçoado para preparação contínua de microgel de polissilicato e aparelho para produção do mesmo

Info

Publication number
BR9306543A
BR9306543A BR9306543A BR9306543A BR9306543A BR 9306543 A BR9306543 A BR 9306543A BR 9306543 A BR9306543 A BR 9306543A BR 9306543 A BR9306543 A BR 9306543A BR 9306543 A BR9306543 A BR 9306543A
Authority
BR
Brazil
Prior art keywords
producing
improved method
continuous preparation
polysilicate microgel
silicate
Prior art date
Application number
BR9306543A
Other languages
English (en)
Inventor
Robert Harvey Moffett
John Derek Rushmere
Original Assignee
Du Pont
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=BR9306543(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Du Pont filed Critical Du Pont
Publication of BR9306543A publication Critical patent/BR9306543A/pt

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)
BR9306543A 1992-05-26 1993-05-20 Método aperfeiçoado para preparação contínua de microgel de polissilicato e aparelho para produção do mesmo BR9306543A (pt)

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 (1)

Publication Number Publication Date
BR9306543A true BR9306543A (pt) 1998-09-15

Family

ID=25391877

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9306543A BR9306543A (pt) 1992-05-26 1993-05-20 Método aperfeiçoado para preparação contínua de microgel de polissilicato e aparelho para produção do mesmo

Country Status (12)

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

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WO1998055398A1 (en) * 1995-10-25 1998-12-10 E.I. Du Pont De Nemours And Company Improved method for preparing low-concentration polyaluminosilicate microgels
US5503820A (en) * 1992-05-26 1996-04-02 E. I. Du Pont De Nemours And Company Method for preparing low-concentration polysilicate microgels
US5707494A (en) * 1994-03-14 1998-01-13 E. I. Du Pont De Nemours And Company Process for preparing water soluble polyaluminosilicates
CA2210334C (en) * 1995-02-24 2005-04-26 Exxon Chemical Patents, Inc. Additive blending system and method
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
BR9611364A (pt) * 1995-11-08 1999-02-23 Minerals Tech Inc Composição processos para controlar drenagem e/ou retenção na formação de uma matriz de papel e para tratar água
GB9603909D0 (en) 1996-02-23 1996-04-24 Allied Colloids Ltd Production of paper
AU7387398A (en) 1997-05-19 1998-12-11 Sortwell & Co. Method of water treatment using zeolite crystalloid coagulants
US5900116A (en) * 1997-05-19 1999-05-04 Sortwell & Co. Method of making paper
CZ298656B6 (cs) * 1997-06-04 2007-12-12 E. I. Du Pont De Nemours And Company Zpusob kontinuální výroby polyaluminosilikátovéhomikrogelu
KR100372358B1 (ko) 1997-06-09 2003-02-17 악조 노벨 엔.브이. 폴리실리케이트 마이크로겔과 실리카 기초물질
ATE477213T1 (de) 1997-06-09 2010-08-15 Akzo Nobel Nv Polysilikat-mikrogele
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
BRPI0010239B1 (pt) * 1999-05-04 2016-10-25 Akzo Nobel Nv sols baseados em sílica
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
US7629392B2 (en) * 2004-04-07 2009-12-08 Akzo Nobel N.V. Silica-based sols and their production and use
US7732495B2 (en) * 2004-04-07 2010-06-08 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
EP2069573A2 (en) * 2006-09-27 2009-06-17 Ciba Holding Inc. Siliceous composition and its use in papermaking
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
CN104947499B (zh) * 2013-12-18 2018-01-19 艺康美国股份有限公司 硅溶胶、制备其的设备和方法和其在造纸中的应用

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ES2055084T3 (es) * 1988-09-16 1994-08-16 Du Pont Microgeles de polisilicato como coadyuvantes de retencion/drenaje en la fabricacion del papel.
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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
US5312595A (en) 1994-05-17
ES2086227T3 (es) 1996-06-16
US5279807A (en) 1994-01-18
WO1993024409A1 (en) 1993-12-09
AU661175B2 (en) 1995-07-13
DK0642466T3 (da) 1996-04-15
NO313823B1 (no) 2002-12-09
DE69301917T2 (de) 1996-09-05
EP0642466B1 (en) 1996-03-20
AU4249993A (en) 1993-12-30
EP0642466A1 (en) 1995-03-15
NO944523L (no) 1994-11-25
ATE135665T1 (de) 1996-04-15
JPH07507990A (ja) 1995-09-07
DE69301917D1 (de) 1996-04-25
JP2738981B2 (ja) 1998-04-08
NO944523D0 (no) 1994-11-25
GR3019596T3 (en) 1996-07-31

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 20/05/2013