DE68908223T2 - Verfahren zur Herstellung von sehr reiner, dichter grossteiliger Kieselsäure. - Google Patents

Verfahren zur Herstellung von sehr reiner, dichter grossteiliger Kieselsäure.

Info

Publication number
DE68908223T2
DE68908223T2 DE89104604T DE68908223T DE68908223T2 DE 68908223 T2 DE68908223 T2 DE 68908223T2 DE 89104604 T DE89104604 T DE 89104604T DE 68908223 T DE68908223 T DE 68908223T DE 68908223 T2 DE68908223 T2 DE 68908223T2
Authority
DE
Germany
Prior art keywords
dense
pure
production
scale silica
silica
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 - Fee Related
Application number
DE89104604T
Other languages
English (en)
Other versions
DE68908223D1 (de
Inventor
Sophia R Su
Leo R Fitzpatrick
Sheryl Ann Robillard
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.)
Osram Sylvania Inc
Original Assignee
GTE Products Corp
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 GTE Products Corp filed Critical GTE Products Corp
Publication of DE68908223D1 publication Critical patent/DE68908223D1/de
Application granted granted Critical
Publication of DE68908223T2 publication Critical patent/DE68908223T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • 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
    • C01B33/16—Preparation of silica xerogels
    • C01B33/163—Preparation of silica xerogels by hydrolysis of organosilicon compounds, e.g. ethyl orthosilicate
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • 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
    • C01P2006/11—Powder tap 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
    • C01P2006/80—Compositional purity
    • 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
    • C01P2006/82—Compositional purity water content
DE89104604T 1988-04-01 1989-03-15 Verfahren zur Herstellung von sehr reiner, dichter grossteiliger Kieselsäure. Expired - Fee Related DE68908223T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/176,582 US4940571A (en) 1988-04-01 1988-04-01 Method of making large particle size, high purity dense silica

Publications (2)

Publication Number Publication Date
DE68908223D1 DE68908223D1 (de) 1993-09-16
DE68908223T2 true DE68908223T2 (de) 1993-11-25

Family

ID=22644945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89104604T Expired - Fee Related DE68908223T2 (de) 1988-04-01 1989-03-15 Verfahren zur Herstellung von sehr reiner, dichter grossteiliger Kieselsäure.

Country Status (6)

Country Link
US (1) US4940571A (de)
EP (1) EP0335175B1 (de)
JP (1) JPH01290522A (de)
KR (1) KR890015957A (de)
CA (1) CA1318770C (de)
DE (1) DE68908223T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0574642B1 (de) * 1992-06-19 1998-10-28 Cu Chemie Uetikon Ag Verfahren zur Herstellung von Pulvern und Suspensionen von amorphen Siliziumdioxidmikrokugeln
US5425930A (en) * 1993-09-17 1995-06-20 Alliedsignal Inc. Process for forming large silica spheres by low temperature nucleation
US6156285A (en) * 1998-11-12 2000-12-05 Dow Corning Corporation Method for densifying particulate silica
KR100329123B1 (ko) * 1999-08-28 2002-03-21 윤덕용 웨이퍼 폴리싱용 실리카 슬러리의 제조 방법
US8197782B2 (en) 2010-02-08 2012-06-12 Momentive Performance Materials Method for making high purity metal oxide particles and materials made thereof
US9249028B2 (en) 2010-02-08 2016-02-02 Momentive Performance Materials Inc. Method for making high purity metal oxide particles and materials made thereof
US9561473B2 (en) 2014-02-28 2017-02-07 Pall Corporation Charged hollow fiber membrane having hexagonal voids
US9776142B2 (en) 2014-02-28 2017-10-03 Pall Corporation Porous polymeric membrane with high void volume
US9764292B2 (en) 2014-02-28 2017-09-19 Pall Corporation Porous polymeric membrane with high void volume
US9309126B2 (en) 2014-02-28 2016-04-12 Pall Corporation Rapidly dissolvable nanoparticles
US9610548B2 (en) 2014-02-28 2017-04-04 Pall Corporation Composite porous polymeric membrane with high void volume
US9737860B2 (en) 2014-02-28 2017-08-22 Pall Corporation Hollow fiber membrane having hexagonal voids
US9302228B2 (en) 2014-02-28 2016-04-05 Pall Corporation Charged porous polymeric membrane with high void volume
US9446355B2 (en) 2014-02-28 2016-09-20 Pall Corporation Porous polymeric membrane with high void volume
US9970869B2 (en) 2015-07-24 2018-05-15 Chevron Phillips Chemical Company Lp Use of turbidimeter for measurement of solid catalyst system component in a reactor feed
WO2018092804A1 (ja) * 2016-11-16 2018-05-24 日本化成株式会社 定量供給用シリカ粉体、並びにこれを用いた生体物質の精製キット及びその製造方法
US11345606B2 (en) * 2017-02-17 2022-05-31 David Brown Deposition particles and a method and apparatus for producing the same

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974105A (en) * 1956-05-01 1961-03-07 Du Pont Silica organosols and their preparation
US3311481A (en) * 1962-03-01 1967-03-28 Hitco Refractory fibers and methods of making them
US3538015A (en) * 1967-12-07 1970-11-03 Nalco Chemical Co Large particle silica sols and method of production
US4246139A (en) * 1975-09-15 1981-01-20 Phillips Petroleum Company Silica production
US4059658A (en) * 1975-09-15 1977-11-22 Corning Glass Works Low temperature production of high purity fused silica
GR66589B (de) * 1978-06-22 1981-03-30 Snam Progetti
SU865791A1 (ru) * 1978-08-11 1981-09-23 Ордена Ленина Институт Общей И Неорганический Химии Им. Н.С.Курнакова Ан Ссср Способ получени сферического силикагел
SE422045C (sv) * 1979-04-30 1984-12-11 Guy Von Dardel Sett att framstella silikaaerogel i form av ett vesentligen sprickfritt, foretredesvis transparent block samt anvendning av detsamma i solpaneler
US4339559A (en) * 1980-05-21 1982-07-13 Phillips Petroleum Company Polymerization using silica from single phase controlled hydrolysis of silicate ester
US4436542A (en) * 1980-09-16 1984-03-13 Sumitomo Electric Industries, Ltd. Process for the production of an optical glass article
FR2507171A1 (fr) * 1981-06-04 1982-12-10 Zarzycki Jerzy Aerogels de silice monolithiques, leur preparation et leur utilisation pour la preparation d'articles en verre de silice et de materiaux thermiquement isolants
US4426216A (en) * 1982-01-06 1984-01-17 Hitachi, Ltd. Process for producing optical glass
US4574063A (en) * 1983-05-09 1986-03-04 Corning Glass Works Method of forming glass or ceramic article
US4560399A (en) * 1984-10-22 1985-12-24 Corning Glass Works Method for making glass or ceramic article
US4680049A (en) * 1986-08-15 1987-07-14 Gte Laboratories Incorporated Process for molding optical components of silicate glass to a near net shape optical precision
JPS63210016A (ja) * 1987-02-26 1988-08-31 Tokuyama Soda Co Ltd 無機酸化物粒子の製造方法
US4788046A (en) * 1987-08-13 1988-11-29 Ceramics Process Systems Corporation Method for producing materials for co-sintering
JP3808904B2 (ja) * 1992-10-28 2006-08-16 帝人化成株式会社 光学成形品用成形材料

Also Published As

Publication number Publication date
CA1318770C (en) 1993-06-08
JPH01290522A (ja) 1989-11-22
EP0335175A2 (de) 1989-10-04
EP0335175A3 (de) 1991-09-18
US4940571A (en) 1990-07-10
DE68908223D1 (de) 1993-09-16
KR890015957A (ko) 1989-11-27
EP0335175B1 (de) 1993-08-11

Similar Documents

Publication Publication Date Title
DE58906156D1 (de) Verfahren zur Herstellung von Membranen.
DE68908223T2 (de) Verfahren zur Herstellung von sehr reiner, dichter grossteiliger Kieselsäure.
DE68915676T2 (de) Verfahren zur Herstellung von Linsen.
DE58909309D1 (de) Verfahren zur Herstellung von Faserverbundkeramik.
DE68908614T2 (de) Vorrichtung zur Herstellung von gebogenen Glasscheiben.
DE68915664D1 (de) Verfahren zur Herstellung von Rohreinheiten.
DE68916393D1 (de) Verfahren zur Herstellung von ebenen Wafern.
DE58906148D1 (de) Verfahren zur Herstellung von Aminen.
DE3884254T2 (de) Verfahren zur kontinuierlichen Herstellung von Octa-2,7-dien-1-ol.
DE68921655T2 (de) Verfahren zur Herstellung von Mustern.
DE58908451D1 (de) Verfahren zur Herstellung von Organochlorsilanen.
DE69002521T2 (de) Verfahren zur Herstellung von Mikrokapseln.
DE59007250D1 (de) Verfahren zur Herstellung hochtemperaturbeständiger Schaum- stoffe.
DE68922360D1 (de) Verfahren zur Herstellung von Metall-Polyimid-Verbundwerkstoffen.
DE58907777D1 (de) Verfahren zur Herstellung von Caprolactam.
DE68918050D1 (de) Verfahren zur Herstellung von Windschutzscheiben.
DE68910227T2 (de) Verfahren zur Herstellung planarer Membranen.
DE68916760D1 (de) Verfahren zur Herstellung von Gamma-Lactonen.
DE58907409D1 (de) Verfahren zur Herstellung von Caprolactam.
DE58906122D1 (de) Verfahren zur Herstellung von Phenylethanolen.
DE68920087T2 (de) Verfahren zur Herstellung von Neuraminidase.
ATE101846T1 (de) Verfahren zur herstellung von 1,1dichlorotetrafluorethan.
DE59005334D1 (de) Verfahren zur Herstellung von reinem Guanin.
DE68924502D1 (de) Verfahren zur Herstellung von Einzelsubstraten.
DE59006539D1 (de) Verfahren zur Herstellung von Cytosinen.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee