IT1128747B - Procedimento per il trattamento di pigmenti o agenti di carica in particolare gesso idrato - Google Patents

Procedimento per il trattamento di pigmenti o agenti di carica in particolare gesso idrato

Info

Publication number
IT1128747B
IT1128747B IT50519/79A IT5051979A IT1128747B IT 1128747 B IT1128747 B IT 1128747B IT 50519/79 A IT50519/79 A IT 50519/79A IT 5051979 A IT5051979 A IT 5051979A IT 1128747 B IT1128747 B IT 1128747B
Authority
IT
Italy
Prior art keywords
pigments
procedure
treatment
charging agents
particular hydrated
Prior art date
Application number
IT50519/79A
Other languages
English (en)
Other versions
IT7950519A0 (it
Inventor
Magnus Burger Kvant
Original Assignee
Supra Ab
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 Supra Ab filed Critical Supra Ab
Publication of IT7950519A0 publication Critical patent/IT7950519A0/it
Application granted granted Critical
Publication of IT1128747B publication Critical patent/IT1128747B/it

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
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/025—Calcium sulfates
    • 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
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT50519/79A 1978-10-30 1979-10-10 Procedimento per il trattamento di pigmenti o agenti di carica in particolare gesso idrato IT1128747B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7811216A SE417104B (sv) 1978-10-30 1978-10-30 Sett att rena respektive bleka fororenat kalciumsulfat avsedd att anvendas som pigment och/eller fyllmedel

Publications (2)

Publication Number Publication Date
IT7950519A0 IT7950519A0 (it) 1979-10-10
IT1128747B true IT1128747B (it) 1986-06-04

Family

ID=20336216

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50519/79A IT1128747B (it) 1978-10-30 1979-10-10 Procedimento per il trattamento di pigmenti o agenti di carica in particolare gesso idrato

Country Status (10)

Country Link
JP (1) JPS5835937B2 (it)
CA (1) CA1125456A (it)
DE (1) DE2943205A1 (it)
ES (1) ES485483A0 (it)
FI (1) FI66416B (it)
FR (1) FR2440386A1 (it)
GB (1) GB2032901B (it)
IT (1) IT1128747B (it)
NL (1) NL7907976A (it)
SE (1) SE417104B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441457C (sv) 1978-10-30 1990-06-18 Supra Ab Saett att framstaella slamma foer bestrykningsmedel foer papper, kartong och liknande, innehaallande kalciumsulfat som pigment
FR2446256A1 (fr) * 1979-01-12 1980-08-08 Azote & Prod Chim Procede de purification du gypse chimique
SE469475B (sv) * 1990-10-29 1993-07-12 Eka Nobel Ab Saett att bleka partiklar innehaallande kalciumkarbonat
BE1005164A3 (fr) * 1991-08-02 1993-05-11 Prayon Rupel Technologies Procede de preparation d'une suspension aqueuse a base de sulfate de calcium.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE432675C (de) * 1924-12-25 1926-08-07 Hansa Phosphat U Mineral Muehl Verfahren zur Reinigung und Bleichung von Schwerspat
DE485007C (de) * 1926-04-04 1929-10-25 Ludwig Kaiser Verfahren zur Herstellung von reinem weissen und fein verteilten Barium- oder Calciumsulfat
DE491350C (de) * 1926-12-11 1930-02-08 Ludwig Kaiser Verfahren zur Herstellung von reinem, weissem und fein verteiltem Barium- oder Calciumsulfat
DE537392C (de) * 1928-02-10 1931-11-02 Sachtleben Akt Ges Fuer Bergba Verfahren zur Herstellung eines weissen transparentreinen Schwerspates
DE586007C (de) * 1928-06-14 1933-10-14 Peter Spence & Sons Ltd Verfahren zur Herstellung fein verteilten und wasserfreien Calciumsulfates als Farbe
GB339797A (it) * 1928-12-18 1930-12-18 Rene Perdu
US2197003A (en) * 1937-11-18 1940-04-16 Glidden Co Process for making pigments
US2522971A (en) * 1947-04-19 1950-09-19 C K William & Co Method of bleaching barytes
DE1467470C2 (de) * 1963-10-28 1974-06-12 Pluess-Staufer Ag, Oftringen, Aargau (Schweiz) Verbesserung des Weiß grades von Kreide, Calcit oder Dolomit
GB1394910A (en) * 1972-10-23 1975-05-21 Pluss Stauffer Ag Process for the optical brightening of minerals
JPS5147598A (en) * 1974-10-23 1976-04-23 Denki Kagaku Kogyo Kk Tansankarushiumuno hakushokudokairyoho

Also Published As

Publication number Publication date
FI793163A7 (fi) 1980-05-01
FR2440386A1 (fr) 1980-05-30
JPS5835937B2 (ja) 1983-08-05
IT7950519A0 (it) 1979-10-10
FR2440386B1 (it) 1983-07-08
SE7811216L (sv) 1980-05-01
DE2943205A1 (de) 1980-05-08
JPS5560024A (en) 1980-05-06
ES8102059A1 (es) 1980-12-16
SE417104B (sv) 1981-02-23
NL7907976A (nl) 1980-05-02
GB2032901B (en) 1982-11-03
FI66416B (fi) 1984-06-29
ES485483A0 (es) 1980-12-16
CA1125456A (en) 1982-06-15
GB2032901A (en) 1980-05-14

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950929