CA2280795A1 - Hydrophobic silica gels with reduced surface area - Google Patents

Hydrophobic silica gels with reduced surface area Download PDF

Info

Publication number
CA2280795A1
CA2280795A1 CA002280795A CA2280795A CA2280795A1 CA 2280795 A1 CA2280795 A1 CA 2280795A1 CA 002280795 A CA002280795 A CA 002280795A CA 2280795 A CA2280795 A CA 2280795A CA 2280795 A1 CA2280795 A1 CA 2280795A1
Authority
CA
Canada
Prior art keywords
silica
silica hydrogel
hydrogel
hydrophobic silica
mixture
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.)
Abandoned
Application number
CA002280795A
Other languages
English (en)
French (fr)
Inventor
James R. Hahn
Gary T. Burns
Charles W. Lentz
Clifford C. Reese
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.)
Individual
Original Assignee
Dow Corning 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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of CA2280795A1 publication Critical patent/CA2280795A1/en
Abandoned 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
    • C01B33/16—Preparation of silica xerogels
    • 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
    • C09C1/3081—Treatment with organo-silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • 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
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA002280795A 1997-02-24 1998-02-18 Hydrophobic silica gels with reduced surface area Abandoned CA2280795A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US80600597A 1997-02-24 1997-02-24
US08/806,005 1997-02-24
PCT/US1998/003273 WO1998037020A1 (en) 1997-02-24 1998-02-18 Hydrophobic silica gels with reduced surface area

Publications (1)

Publication Number Publication Date
CA2280795A1 true CA2280795A1 (en) 1998-08-27

Family

ID=25193082

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002280795A Abandoned CA2280795A1 (en) 1997-02-24 1998-02-18 Hydrophobic silica gels with reduced surface area

Country Status (8)

Country Link
EP (1) EP0963345A1 (pt)
JP (1) JP2001513066A (pt)
KR (1) KR20000075594A (pt)
CN (1) CN1248226A (pt)
AU (1) AU6660598A (pt)
BR (1) BR9810408A (pt)
CA (1) CA2280795A1 (pt)
WO (1) WO1998037020A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342560B1 (en) * 1999-08-19 2002-01-29 Ppg Industries Ohio, Inc. Chemically modified fillers and polymeric compositions containing same
CN104745145A (zh) * 2013-12-26 2015-07-01 安集微电子（上海）有限公司 一种二氧化硅颗粒改性的制备方法及应用
EP3219671A4 (en) * 2014-11-11 2017-11-15 Panasonic Intellectual Property Management Co., Ltd. Aerogel and manufacturing method thereof
CN107089666B (zh) * 2016-05-28 2018-09-25 郑善 一种稀土增韧硅气凝胶前驱体和固态硅气凝胶的制备工艺
CN110589839B (zh) * 2019-09-23 2021-02-23 东莞创利科技发展有限公司 一种二氧化硅增强剂及其制备方法和应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1092407A (fr) * 1953-10-19 1955-04-21 Du Pont Solides siliceux estérifiés superficiellement et leurs utilisations
GB783868A (en) * 1954-10-06 1957-10-02 Midland Silicones Ltd A process of preparing hydrophobic organo-silicon powders
US3122520A (en) * 1959-10-05 1964-02-25 Dow Corning Method of making silicone rubber fillers
SU369131A1 (pt) * 1969-11-12 1973-02-08
DE2015402A1 (de) * 1970-04-01 1971-10-21 Bayer Verfahren zur Verbesserung des Vulkani sationsverhaltens und zur Hitzestabili sierung von Polyorganosiloxanelastomeren
DE3005137A1 (de) * 1980-02-12 1981-08-20 Degussa Ag, 6000 Frankfurt Cerhaltige faellungskieselsaeure, verfahren zu deren herstellung, sowie zu elastomeren haertbare massen, die die cerhaltige faellungskieselsaeure enthalten
IT1266660B1 (it) * 1993-11-04 1997-01-09 Eniricerche Spa Procedimento per la preparazione di xerogels di silice porosi in forma sferica
US5708069A (en) * 1997-02-24 1998-01-13 Dow Corning Corporation Method for making hydrophobic silica gels under neutral conditions

Also Published As

Publication number Publication date
EP0963345A1 (en) 1999-12-15
KR20000075594A (ko) 2000-12-26
JP2001513066A (ja) 2001-08-28
WO1998037020A1 (en) 1998-08-27
BR9810408A (pt) 2000-08-22
AU6660598A (en) 1998-09-09
CN1248226A (zh) 2000-03-22

Similar Documents

Publication Publication Date Title
US5708069A (en) Method for making hydrophobic silica gels under neutral conditions
US5750610A (en) Hydrophobic organosilicate-modified silica gels
US5789514A (en) Method for preparing hydrophobic silica gels
CA2280909C (en) Neutral-aged hydrophobic silica gels with reduced surface area
US5942590A (en) Process for making hydrophobic silica with reduced surface area under neutral conditions
US5789495A (en) Method for making hydrophobic organosilicate-modified silica gels under neutral conditions
US5807501A (en) Neutral-aged hydrophobic organosilicate-modified silica gels
CA2280795A1 (en) Hydrophobic silica gels with reduced surface area
WO1998037018A1 (en) Method for preparing hydrophobic silica gels with improved heat stability

Legal Events

Date Code Title Description
FZDE Dead