GB318937A - Improvements in or relating to the preparation of pigments and the like - Google Patents

Improvements in or relating to the preparation of pigments and the like

Info

Publication number
GB318937A
GB318937A GB7406/28A GB740628A GB318937A GB 318937 A GB318937 A GB 318937A GB 7406/28 A GB7406/28 A GB 7406/28A GB 740628 A GB740628 A GB 740628A GB 318937 A GB318937 A GB 318937A
Authority
GB
United Kingdom
Prior art keywords
inert liquid
alcohol
pigment
wet
pastes
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
GB7406/28A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB7406/28A priority Critical patent/GB318937A/en
Publication of GB318937A publication Critical patent/GB318937A/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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0001—Post-treatment of organic pigments or dyes
    • C09B67/0003—Drying, e.g. sprax drying; Sublimation of the solvent
    • 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
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • 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
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • 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
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds

Abstract

318,937. Crawford, J. W. C., Scharff, G. E., and Imperial Chemical Industries, Ltd. March 9, 1928. Dye preparations.-Water is removed from wet ;pigments or vat dyestuffs pastes by heating and agitating them with an inert liquid non-miscible with water such as benzene, toluene, xylene, or turpentine, which may be mixed with ethyl alcohol or higher homologues. The vapour formed is condensed and separated into two layers, the inert liquid with or without admixed alcohol being returned to the pigment and the distillation continued until dehydration is complete. The pigment may be used while wet with the inert liquid or alcohol or it may be dried below 50‹ C. at normal or reduced pressure and submitted to moderate grinding. Solvents of high boiling-point such as tricresyl phosphate, dibutyl phthalate or softening agents such as castor oil, linseed oil may be added to the dehydrating liquid. Wetting agents such as metallic resinates, for example magnesium, calcium, or barium resinate, resins such as natural rosin, synthetic resins such as those of the Albertol and Glyptal types, or ester gum, fatty acids or their soaps, higher fatty acid amides such as stearic anilide, salts of naphthenic acids. waxes such as paraffin or carnauba wax or wax-like bodies of the polychloro-aryl type, rubber, preferably in the form of latex, or cellulose esters and ethers such as acetyl-, benzyl-, and nitro-cellulose, may be employed. The treatment of vat dyestuff pastes yields products suitable for the dyeing and printing of textile fibres, in the preparation of lithographic ink, or pigmenting plastic compositions such as linoleum, nitrocellulose and rubber composition. In examples Scarlet lake, Brunswick Green, anthraquinone hydroazine, are treated to yield products readily dispersible in solutions of cellulose esters &c.
GB7406/28A 1928-03-09 1928-03-09 Improvements in or relating to the preparation of pigments and the like Expired GB318937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7406/28A GB318937A (en) 1928-03-09 1928-03-09 Improvements in or relating to the preparation of pigments and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7406/28A GB318937A (en) 1928-03-09 1928-03-09 Improvements in or relating to the preparation of pigments and the like

Publications (1)

Publication Number Publication Date
GB318937A true GB318937A (en) 1929-09-09

Family

ID=9832492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7406/28A Expired GB318937A (en) 1928-03-09 1928-03-09 Improvements in or relating to the preparation of pigments and the like

Country Status (1)

Country Link
GB (1) GB318937A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515145A (en) * 1946-10-02 1950-07-11 Shell Dev Process for the incorporation of hydrophilic material into organic media
DE2521249A1 (en) * 1975-05-13 1976-12-02 Bayer Ag Process for the production of opaque organic pigments
US4599807A (en) * 1984-10-09 1986-07-15 Desoto, Inc. Process for drying polymeric beads and associating shading pigments therewith
US4619051A (en) * 1984-10-09 1986-10-28 Desoto, Inc. Process for drying polymeric beads and associating shading pigments therewith

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515145A (en) * 1946-10-02 1950-07-11 Shell Dev Process for the incorporation of hydrophilic material into organic media
DE2521249A1 (en) * 1975-05-13 1976-12-02 Bayer Ag Process for the production of opaque organic pigments
US4599807A (en) * 1984-10-09 1986-07-15 Desoto, Inc. Process for drying polymeric beads and associating shading pigments therewith
US4619051A (en) * 1984-10-09 1986-10-28 Desoto, Inc. Process for drying polymeric beads and associating shading pigments therewith

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