IT967980B - Processo per la preparazione di una silice atta all impiego come agente addensante - Google Patents

Processo per la preparazione di una silice atta all impiego come agente addensante

Info

Publication number
IT967980B
IT967980B IT29830/72A IT2983072A IT967980B IT 967980 B IT967980 B IT 967980B IT 29830/72 A IT29830/72 A IT 29830/72A IT 2983072 A IT2983072 A IT 2983072A IT 967980 B IT967980 B IT 967980B
Authority
IT
Italy
Prior art keywords
preparation
thickening agent
silica suitable
silica
thickening
Prior art date
Application number
IT29830/72A
Other languages
English (en)
Original Assignee
Grace W R & 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
Application filed by Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of IT967980B publication Critical patent/IT967980B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M5/00—Solid or semi-solid compositions containing as the essential lubricating ingredient mineral lubricating oils or fatty oils and their use
    • 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
    • C01B33/152—Preparation of hydrogels
    • C01B33/154—Preparation of hydrogels by acidic treatment of aqueous silicate solutions
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Silicon Compounds (AREA)
IT29830/72A 1971-09-29 1972-09-28 Processo per la preparazione di una silice atta all impiego come agente addensante IT967980B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18490671A 1971-09-29 1971-09-29

Publications (1)

Publication Number Publication Date
IT967980B true IT967980B (it) 1974-03-11

Family

ID=22678813

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29830/72A IT967980B (it) 1971-09-29 1972-09-28 Processo per la preparazione di una silice atta all impiego come agente addensante

Country Status (5)

Country Link
JP (1) JPS4841995A (it)
DE (1) DE2247413A1 (it)
FR (1) FR2154705A1 (it)
GB (1) GB1365784A (it)
IT (1) IT967980B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5529474Y2 (it) * 1975-02-01 1980-07-14
US4717708A (en) * 1983-12-27 1988-01-05 Stauffer Chemical Company Inorganic oxide aerogels and their preparation
US4619908A (en) * 1984-12-24 1986-10-28 Stauffer Chemical Company Non-aged inorganic oxide-containing aerogels and their preparation
KR102192354B1 (ko) 2017-09-08 2020-12-17 주식회사 엘지화학 산화금속-실리카 복합 에어로겔의 제조방법 및 이로부터 제조된 산화금속-실리카 복합 에어로겔

Also Published As

Publication number Publication date
DE2247413A1 (de) 1973-04-05
GB1365784A (en) 1974-09-04
JPS4841995A (it) 1973-06-19
FR2154705A1 (it) 1973-05-11

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