BR8800742A - Processo para a compressao de acido silicio obtido pirogenicamente - Google Patents

Processo para a compressao de acido silicio obtido pirogenicamente

Info

Publication number
BR8800742A
BR8800742A BR8800742A BR8800742A BR8800742A BR 8800742 A BR8800742 A BR 8800742A BR 8800742 A BR8800742 A BR 8800742A BR 8800742 A BR8800742 A BR 8800742A BR 8800742 A BR8800742 A BR 8800742A
Authority
BR
Brazil
Prior art keywords
compression
acid obtained
silicon acid
pyrogenically
obtained pyrogenically
Prior art date
Application number
BR8800742A
Other languages
English (en)
Inventor
Reinhard Klingel
Reinhard Manner
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of BR8800742A publication Critical patent/BR8800742A/pt

Links

Classifications

    • 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
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C09C1/3009—Physical treatment, e.g. grinding; treatment with ultrasonic vibrations
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Silicon Compounds (AREA)
  • Press Drives And Press Lines (AREA)
BR8800742A 1987-02-26 1988-02-23 Processo para a compressao de acido silicio obtido pirogenicamente BR8800742A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3706137 1987-02-26
DE19873741846 DE3741846A1 (de) 1987-02-26 1987-12-10 Verfahren zum verdichten von pyrogen hergestellter kieselsaeure

Publications (1)

Publication Number Publication Date
BR8800742A true BR8800742A (pt) 1988-10-04

Family

ID=25852908

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8800742A BR8800742A (pt) 1987-02-26 1988-02-23 Processo para a compressao de acido silicio obtido pirogenicamente

Country Status (6)

Country Link
US (1) US4877595A (pt)
EP (1) EP0280851B1 (pt)
JP (1) JPH0755817B2 (pt)
BR (1) BR8800742A (pt)
DE (2) DE3741846A1 (pt)
ES (1) ES2021760B3 (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325686A (en) * 1980-11-28 1982-04-20 Cabot Corporation Apparatus for densifying powders of sub-micron particle size
DE3912504A1 (de) * 1989-04-17 1990-10-18 Degussa Presslinge auf basis von pyrogen hergestelltem siliciumdioxid, verfahren zu ihrer herstellung und ihre verwendung
DE59000148D1 (de) * 1990-07-19 1992-07-09 Degussa Oberflaechenmodifizierte siliciumdioxide.
US6193795B1 (en) 1993-08-02 2001-02-27 Degussa Corporation Low structure pyrogenic hydrophilic and hydrophobic metallic oxides, production and use
US6156285A (en) * 1998-11-12 2000-12-05 Dow Corning Corporation Method for densifying particulate silica
DE19961933A1 (de) * 1999-12-22 2001-07-26 Degussa Hydrophobe Kieselsäure
GB2357497A (en) * 1999-12-22 2001-06-27 Degussa Hydrophobic silica
EP1199336B1 (de) * 2000-10-21 2014-01-15 Evonik Degussa GmbH Funktionalisierte, strukturmodifizierte Kieselsäuren
CA2526918C (en) * 2003-05-06 2011-03-15 Tokuyama Corporation Hydrophobic fumed silica
DE10356042A1 (de) * 2003-12-01 2005-07-07 Degussa Ag Kleb-und Dichtstoffsysteme
DE102004027563A1 (de) * 2004-06-04 2005-12-22 Joint Solar Silicon Gmbh & Co. Kg Silizium sowie Verfahren zu dessen Herstellung
EP1813573A1 (de) * 2006-01-25 2007-08-01 Degussa GmbH Verfahren zur Herstellung von Gummimischungen
EP1813574A1 (de) * 2006-01-25 2007-08-01 Degussa GmbH Zu Schülpen kompaktiertes pyrogen hergestelltes Siliciumdioxid
EP2023899A1 (en) * 2006-05-10 2009-02-18 Evonik Degussa GmbH Use of roll compacted pyrogenically produced silicon dioxide in pharmaceutical compositions
US8377994B2 (en) * 2006-05-10 2013-02-19 Evonik Degussa GmeH Use of roll compacted pyrogenically produced silicon dioxide in pharmaceutical compositions
DE102006039273A1 (de) * 2006-08-22 2008-02-28 Evonik Degussa Gmbh Pyrogenes Siliciumdioxid zur Verwendung als Hilfsstoff in pharmazeutischen und kosmetischen Zusammensetzungen
US8221109B2 (en) 2006-12-05 2012-07-17 Gold Tip, Llc Material layering device
EP2014622B1 (de) 2007-07-06 2017-01-18 Evonik Degussa GmbH Verfahren zur Herstellung eines Kieselglasgranulats
DE102007031633A1 (de) 2007-07-06 2009-01-08 Evonik Degussa Gmbh Verfahren zur Herstellung von hochreinem Siliciumdioxidgranulat
DE102007031635A1 (de) 2007-07-06 2009-01-15 Evonik Degussa Gmbh Verfahren zur Herstellung von Metalloxidgranulaten
DE102007036388A1 (de) 2007-07-31 2009-02-05 Evonik Degussa Gmbh Verfahren zum Verdichten von pyrogen hergestellten Oxiden
DE102007049158A1 (de) 2007-10-13 2009-04-16 Evonik Degussa Gmbh Verwendung von Kieselglasgranulaten
EP2231758A1 (en) * 2007-12-21 2010-09-29 Cabot Corporation Filler system including densed fumed metal oxide
RU2012132445A (ru) 2009-12-29 2014-02-10 У.Р. Грейс Энд Ко.-Конн. Композиции для образования пленок, имеющих желательную степень матирования, и способы их получения и применения
US8613897B2 (en) * 2010-08-10 2013-12-24 Uop Llc Densified fumed metal oxides and methods for producing the same
CN102556377A (zh) * 2012-01-14 2012-07-11 广州吉必盛科技实业有限公司 超轻粉体用集装袋真空包装机
FR3125053A1 (fr) 2021-07-08 2023-01-13 Bostik Sa COMPOSITION RETICULABLE DE POLYMERE A TERMINAISON SILYL ET procédé d’assemblage de substrats LA METTANT EN OEUVRE
FR3125054A1 (fr) 2021-07-08 2023-01-13 Bostik Sa Nouvelle composition reticulable de polymere a terminaison silyl et article auto-adhesif correspondant

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD43981A (pt) *
NL269702A (pt) * 1960-10-01
US3114930A (en) * 1961-03-17 1963-12-24 American Cyanamid Co Apparatus for densifying and granulating powdered materials
DE1807714C2 (de) * 1968-11-08 1971-01-04 Degussa Verfahren und Vorrichtung zum kontinuierlichen Vorverdichten sowie gleichzeitigen Formen von feinteiligen Stoffen
US3632247A (en) * 1970-07-16 1972-01-04 Degussa Compression and deaeration of powders
US3664385A (en) * 1971-02-12 1972-05-23 Carter Eng Co Method and apparatus for feeding and compacting finely divided particulate material
JPS5111344A (ja) * 1974-07-19 1976-01-29 Yagi Antenna Bogaihajokyoyoantenasochi
NO761434L (no) * 1976-04-27 1977-10-28 Elkem Spigerverket As Fremgangsm}te for ¦kning av volumvekten av silikast¦v
PH11878A (en) * 1976-04-27 1978-08-11 Elkem Spigerverket As Method of compacting silica dust
JPS5532088U (pt) * 1978-08-22 1980-03-01
DE2844459A1 (de) * 1978-10-12 1980-04-24 Wacker Chemie Gmbh Verfahren zum erhoehen des schuettgewichts von siliciumdioxyd und eine verwendung des erfindungsgemaess behandelten siliciumdioxyds
JPS5561413U (pt) * 1978-10-18 1980-04-26
US4325686A (en) * 1980-11-28 1982-04-20 Cabot Corporation Apparatus for densifying powders of sub-micron particle size
SE8503356L (sv) * 1984-09-04 1986-03-05 Int Minerals & Chem Corp Torrpackning av kiseldioxidangor
JPS62203607A (ja) * 1986-03-03 1987-09-08 Sumitomo Metal Ind Ltd アルミニウム圧延におけるクラウン制御方法

Also Published As

Publication number Publication date
ES2021760B3 (es) 1991-11-16
JPH0755817B2 (ja) 1995-06-14
US4877595A (en) 1989-10-31
DE3741846A1 (de) 1989-01-26
EP0280851A1 (de) 1988-09-07
EP0280851B1 (de) 1991-04-24
JPS63225518A (ja) 1988-09-20
DE3862487D1 (de) 1991-05-29

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
HO Change of classification

Free format text: CLASSIFICACAO INT. CL. 5 C09C 1/30; C09C 3/04; C01B 33/18; B01J 2/22

FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/02/2003