NL7907976A - Werkwijze voor de behandeling van pigment. - Google Patents

Werkwijze voor de behandeling van pigment. Download PDF

Info

Publication number
NL7907976A
NL7907976A NL7907976A NL7907976A NL7907976A NL 7907976 A NL7907976 A NL 7907976A NL 7907976 A NL7907976 A NL 7907976A NL 7907976 A NL7907976 A NL 7907976A NL 7907976 A NL7907976 A NL 7907976A
Authority
NL
Netherlands
Prior art keywords
bleaching
calcium sulfate
chlorine
process according
weight
Prior art date
Application number
NL7907976A
Other languages
English (en)
Dutch (nl)
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 NL7907976A publication Critical patent/NL7907976A/nl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02Compounds of alkaline earth metals or magnesium
    • C09C1/025Calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06Treatment with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer 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)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Detergent Compositions (AREA)
NL7907976A 1978-10-30 1979-10-30 Werkwijze voor de behandeling van pigment. NL7907976A (nl)

Applications Claiming Priority (2)

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
SE7811216 1978-10-30

Publications (1)

Publication Number Publication Date
NL7907976A true NL7907976A (nl) 1980-05-02

Family

ID=20336216

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7907976A NL7907976A (nl) 1978-10-30 1979-10-30 Werkwijze voor de behandeling van pigment.

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
IT1128747B (it) 1986-06-04
FI793163A7 (fi) 1980-05-01
FR2440386A1 (fr) 1980-05-30
CA1125456A (en) 1982-06-15
ES8102059A1 (es) 1980-12-16
FI66416B (fi) 1984-06-29
IT7950519A0 (it) 1979-10-10
FR2440386B1 (it) 1983-07-08
SE7811216L (sv) 1980-05-01
JPS5835937B2 (ja) 1983-08-05
GB2032901B (en) 1982-11-03
SE417104B (sv) 1981-02-23
DE2943205A1 (de) 1980-05-08
JPS5560024A (en) 1980-05-06
ES485483A0 (es) 1980-12-16
GB2032901A (en) 1980-05-14

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed