GB1320195A - Process for the preparation of dyed pigments - Google Patents

Process for the preparation of dyed pigments

Info

Publication number
GB1320195A
GB1320195A GB4199970A GB4199970A GB1320195A GB 1320195 A GB1320195 A GB 1320195A GB 4199970 A GB4199970 A GB 4199970A GB 4199970 A GB4199970 A GB 4199970A GB 1320195 A GB1320195 A GB 1320195A
Authority
GB
United Kingdom
Prior art keywords
tio
dye
sept
solution
dyed
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.)
Expired
Application number
GB4199970A
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
Individual
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
Priority claimed from ES371591A external-priority patent/ES371591A1/en
Priority claimed from ES382699A external-priority patent/ES382699A2/en
Application filed by Individual filed Critical Individual
Publication of GB1320195A publication Critical patent/GB1320195A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B63/00—Lakes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B63/00—Lakes
    • C09B63/005—Metal lakes of dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Cosmetics (AREA)

Abstract

1320195 Dyeing TiO 2 J M FIGUERAS 2 Sept 1970 [8 Sept 1969 30 July 1970] 41999/70 Heading C1N Particulate TiO 2 is dyed by oxidizing a solution of the leuco base of an anthraquinone, indigoid, or phthalocyanine dye in the presence of the TiO 2 . The solution is produced by forming a colloidal dispersion of the dye in aqueous alkali, and reducing, e.g. with Na hydrosulphite, preferably in an atmosphere of CO 2 or N 2 . Oxidation may be effected by increased agitation and heating, by injection of O 2 in a closed reactor, or by blowing air at high temperature. The product suspension may be neutralized with H 2 SO 4 or HCl, diluted, separated, dried at 100-110‹ C., and ground. Residual dye may be removed by treatment, at temperatures above the b.pt. and under high pressure, successively with (a) amyl, butyl, or ethyl acetate, (b) propylene glycol and ethylene glycol monoacetyl ether, and (c) ethyl alcohol.
GB4199970A 1969-09-08 1970-09-02 Process for the preparation of dyed pigments Expired GB1320195A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES371591A ES371591A1 (en) 1969-09-08 1969-09-08 Process for the preparation of dyeing pigments
ES382699A ES382699A2 (en) 1970-07-30 1970-07-30 Procedure for the obtaining of insoluble and unnocuous coloring pigments. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
GB1320195A true GB1320195A (en) 1973-06-13

Family

ID=26155763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4199970A Expired GB1320195A (en) 1969-09-08 1970-09-02 Process for the preparation of dyed pigments

Country Status (5)

Country Link
JP (1) JPS5033506B1 (en)
CH (1) CH515979A (en)
FR (1) FR2060730A5 (en)
GB (1) GB1320195A (en)
IT (1) IT1043949B (en)

Also Published As

Publication number Publication date
DE2044104A1 (en) 1971-04-15
JPS5033506B1 (en) 1975-10-31
CH515979A (en) 1971-11-30
IT1043949B (en) 1980-02-29
FR2060730A5 (en) 1971-06-18
DE2044104B2 (en) 1976-05-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee