FR2444004A1 - SILICA GEL AND METHOD FOR ITS MANUFACTURE AND ITS APPLICATION - Google Patents

SILICA GEL AND METHOD FOR ITS MANUFACTURE AND ITS APPLICATION

Info

Publication number
FR2444004A1
FR2444004A1 FR7930458A FR7930458A FR2444004A1 FR 2444004 A1 FR2444004 A1 FR 2444004A1 FR 7930458 A FR7930458 A FR 7930458A FR 7930458 A FR7930458 A FR 7930458A FR 2444004 A1 FR2444004 A1 FR 2444004A1
Authority
FR
France
Prior art keywords
silica gel
manufacture
application
expressed
specific surface
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.)
Granted
Application number
FR7930458A
Other languages
French (fr)
Other versions
FR2444004B1 (en
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.)
Grace GmbH
Original Assignee
Grace GmbH
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 GmbH filed Critical Grace GmbH
Publication of FR2444004A1 publication Critical patent/FR2444004A1/en
Application granted granted Critical
Publication of FR2444004B1 publication Critical patent/FR2444004B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • 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
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Silicon Compounds (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention a pour objet un gel de silice de granulométrie moyenne de 1 à 30 mu . Le gel est caractérisé par les propriétés suivantes : a. Une surface spécifique de 1 à 600 m**2/g; b. Un volume de pores compris entre 0,05 et 0,5 cm**3/g; c. Un produit de la surface spécifique, exprimée en m**2/g; et un volume de pores, exprimé en cm**3/g qui est =< à 240, de préférence à 200: d Un diamètre de pores, déterminé par le calcul, qui est compris entre 1,5 et 2,5 nm; et e. Une teneur en eau inférieure à 25 % en poids. L'invention se rapporte aux pâtes dentifrices.The present invention relates to a silica gel with an average particle size of 1 to 30 mu. The gel is characterized by the following properties: a. A specific surface of 1 to 600 m ** 2 / g; b. A pore volume of between 0.05 and 0.5 cm ** 3 / g; vs. A product of the specific surface area, expressed in m ** 2 / g; and a pore volume, expressed in cm ** 3 / g which is = <240, preferably 200: d A pore diameter, determined by calculation, which is between 1.5 and 2.5 nm; summer. A water content of less than 25% by weight. The invention relates to toothpastes.

FR7930458A 1978-12-13 1979-12-12 SILICA GEL AND METHOD FOR ITS MANUFACTURE AND ITS APPLICATION Granted FR2444004A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2853647A DE2853647B2 (en) 1978-12-13 1978-12-13 Process for the production of silica gels and their use

Publications (2)

Publication Number Publication Date
FR2444004A1 true FR2444004A1 (en) 1980-07-11
FR2444004B1 FR2444004B1 (en) 1983-01-28

Family

ID=6056941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930458A Granted FR2444004A1 (en) 1978-12-13 1979-12-12 SILICA GEL AND METHOD FOR ITS MANUFACTURE AND ITS APPLICATION

Country Status (19)

Country Link
JP (1) JPS55104911A (en)
AT (1) ATA784279A (en)
AU (1) AU534199B2 (en)
BE (1) BE880583A (en)
BR (1) BR7908104A (en)
CH (1) CH650754A5 (en)
DE (1) DE2853647B2 (en)
DK (1) DK528979A (en)
ES (1) ES487399A1 (en)
FR (1) FR2444004A1 (en)
GB (1) GB2038303B (en)
IE (1) IE49319B1 (en)
IT (1) IT1126543B (en)
MY (1) MY8400226A (en)
NL (1) NL7908956A (en)
PH (1) PH16359A (en)
PT (1) PT70577A (en)
SE (1) SE439296B (en)
ZA (1) ZA796752B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150625A2 (en) * 1984-01-10 1985-08-07 W.R. Grace & Co.-Conn. Dialytic silica dentifrice

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279879A (en) * 1979-10-01 1981-07-21 W. R. Grace & Co. Silica gel
DE3236180A1 (en) * 1982-09-30 1984-04-05 Akzo Gmbh, 5600 Wuppertal Silica loaded with surfactant, process for its production and use
US4569838A (en) * 1983-12-23 1986-02-11 Colgate-Palmolive Company Dentifrice
US4528181A (en) * 1984-02-01 1985-07-09 Colgate-Palmolive Company Dentifrice containing dual sources of fluoride
AU578392B2 (en) * 1984-07-31 1988-10-20 Lion Corporation Toothpaste composition containing silica
GB8419708D0 (en) * 1984-08-02 1984-09-05 Shell Int Research Preparation of silica spheres
DE3430801A1 (en) * 1984-08-22 1986-03-06 Bayer Ag, 5090 Leverkusen USE OF POROUS FILLERS IN POLYMERIZABLE MEASURES, SUCH MEASURES AND THE USE THEREOF FOR THE PRODUCTION OF MOLDED BODIES
US4659504A (en) * 1984-11-30 1987-04-21 Colgate-Palmolive Company Preparation of phytate-salt free gel dentifrice
US4575456A (en) * 1984-11-30 1986-03-11 Colgate-Palmolive Company Gel dentifrice of desirable consistency
US4562063A (en) * 1984-12-11 1985-12-31 Colgate-Palmolive Company Astringent gel dentifrice
NZ214031A (en) * 1984-12-11 1989-05-29 Colgate Palmolive Co Astringent dentifrice containing synthetic, precipitated, amorphous silica gel as polishing agent
US4562065A (en) * 1984-12-11 1985-12-31 Colgate-Palmolive Company Astringent dentifrice
US4562066A (en) * 1984-12-11 1985-12-31 Colgate-Palmolive Company Astringent dentifrice containing monofluorophosphate
GB8529796D0 (en) * 1985-12-03 1986-01-08 Unilever Plc Precipitated silicas
GB8604985D0 (en) * 1986-02-28 1986-04-09 Unilever Plc Precipitated silicas
PT85223B (en) * 1986-07-22 1990-03-30 Grace W R & Co PROCESS FOR THE PREPARATION OF AEROGELES DE SILICA AND DENTIFICAL COMPOSITIONS
JPS6371054U (en) * 1986-10-29 1988-05-12
JPS63100055U (en) * 1986-12-20 1988-06-29
GB8721644D0 (en) * 1987-09-15 1987-10-21 Unilever Plc Silicas
JPH0187763U (en) * 1987-12-02 1989-06-09
JPH0242010U (en) * 1988-06-24 1990-03-23
JPH02131457U (en) * 1989-04-10 1990-11-01
US5676932A (en) † 1995-05-02 1997-10-14 J.M. Huber Corporation Silica abrasive compositions
DE19615763C2 (en) * 1996-04-20 1999-10-28 Heraeus Kulzer Gmbh & Co Kg Silica-based filler, process for its preparation and its use
US5939051A (en) * 1998-02-27 1999-08-17 Colgate-Palmolive Company Dental abrasive
MY150543A (en) 2009-07-31 2014-01-30 Colgate Palmolive Co High cleaning dentifrice compositions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB263199A (en) * 1925-12-19 1928-03-20 Ig Farbenindustrie Ag An improved process for the production of active silica gels with fine capillary pores
DE2028866A1 (en) * 1969-03-28 1971-12-16 Unilever N.V., Rotterdam (Niederlande) Dentifrices
DE2704504A1 (en) * 1976-02-05 1977-08-11 Grace W R & Co Dentifrice

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE292006C (en) *
US3243262A (en) * 1963-02-18 1966-03-29 Grace W R & Co Process for preparing microspheroidal silica
GB1077908A (en) * 1965-05-05 1967-08-02 Grace W R & Co Process for the production of silica gels
SE343477C (en) * 1966-12-05 1977-09-26 Unilever Nv TOOTH CREAM COMPOSITION CONTAINING A SILICO DIOXIDE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB263199A (en) * 1925-12-19 1928-03-20 Ig Farbenindustrie Ag An improved process for the production of active silica gels with fine capillary pores
DE2028866A1 (en) * 1969-03-28 1971-12-16 Unilever N.V., Rotterdam (Niederlande) Dentifrices
FR2096701A1 (en) * 1969-03-28 1972-02-25 Unilever Nv
DE2704504A1 (en) * 1976-02-05 1977-08-11 Grace W R & Co Dentifrice

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150625A2 (en) * 1984-01-10 1985-08-07 W.R. Grace & Co.-Conn. Dialytic silica dentifrice
EP0150625A3 (en) * 1984-01-10 1988-01-13 W.R. Grace & Co.-Conn. Dialytic silica dentifrice

Also Published As

Publication number Publication date
ES487399A1 (en) 1980-09-16
PH16359A (en) 1983-09-08
FR2444004B1 (en) 1983-01-28
SE439296B (en) 1985-06-10
IE49319B1 (en) 1985-09-18
JPS55104911A (en) 1980-08-11
AU534199B2 (en) 1984-01-12
IE792408L (en) 1980-06-13
IT7927961A0 (en) 1979-12-07
IT1126543B (en) 1986-05-21
BR7908104A (en) 1980-07-22
AU5372379A (en) 1980-07-10
DK528979A (en) 1980-06-14
GB2038303B (en) 1982-11-17
ATA784279A (en) 1985-09-15
MY8400226A (en) 1984-12-31
JPS6242848B2 (en) 1987-09-10
ZA796752B (en) 1980-12-31
DE2853647C3 (en) 1988-04-14
CH650754A5 (en) 1985-08-15
DE2853647A1 (en) 1980-06-26
NL7908956A (en) 1980-06-17
BE880583A (en) 1980-04-01
DE2853647B2 (en) 1980-11-06
SE7910212L (en) 1980-06-14
PT70577A (en) 1980-01-01
GB2038303A (en) 1980-07-23

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