GB1061982A - Improvements relating to coated pigment particles - Google Patents

Improvements relating to coated pigment particles

Info

Publication number
GB1061982A
GB1061982A GB3791163A GB3791163A GB1061982A GB 1061982 A GB1061982 A GB 1061982A GB 3791163 A GB3791163 A GB 3791163A GB 3791163 A GB3791163 A GB 3791163A GB 1061982 A GB1061982 A GB 1061982A
Authority
GB
United Kingdom
Prior art keywords
monomers
water
pigment
ethylenically unsaturated
coating
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
GB3791163A
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.)
Revlon Inc
Original Assignee
Revlon Inc
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 Revlon Inc filed Critical Revlon Inc
Publication of GB1061982A publication Critical patent/GB1061982A/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

A method for providing an organic polymer surface layer coating on individual particles of a finely divided and dispersed water insoluble pigment, comprises dispersing in an aqueous slurry of said pigment an emulsified water immiscible organic liquid consisting of ethylenically unsaturated monomer or monomers which will form the organic polymer coating, and effecting polymerization of the monomer or monomers on sand pigment particles while heating and agitating said slurry. Cross-linking agents, e.g. ethylene glycol dimethacrylate, may be added to obtain an inert and insoluble coating. Ethylenically unsaturated monomers which are not inherently water soluble may be temporarily insolubilized, e.g. by the addition of sodium sulphate. Coloured coatings may be obtained by adding to the water-immiscible phase a dye, e.g. a base or acidic dye which will chemically combine with one of the monomers. Pigments exemplified are titanium dioxide, zinc oxide, talc, aluminium oxide, chromic oxide, barium sulphate, copper dust and even shredded paper.ALSO:A method for providing an organic polymer surface layer coating on individual particles of a finely divided and dispersed water-insoluble pigment, comprises dispersing in an aqueous slurry of said pigment an emulsified water-immiscible organic liquid consisting of ethylenically unsaturated monomer or monomers which will form the organic polymer coating, and effecting polymerization of the monomer or monomers on said pigment particles while heating and agitating said slurry. Cross-linking agents, e.g. ethylene glycol dimethacrylate, may be added to obtain an inert and insoluble coating. Ethylenically unsaturated monomers which are not inherently water-soluble may be temporarily insolubilized, e.g. by the addition of sodium sulphate. Coloured coatings may be obtained by adding to the water-immiscible phase a dye, e.g. a basic or acidic dye which will chemically combine with one of the monomers. Ethylenically unsaturated monomers exemplified are butyl methacrylate, oleyl methacrylate, abitol methacrylate, diethyl amino ethyl acrylate, hydroxy ethyl methacrylate, N-methyl vinyl acetamide, N-vinyl pyrrolidone, N-methyl-N-vinyl acetamide and methacrylic acid. Pigments exemplified are titanium dioxide, zinc oxide, talc, aluminium oxide, chromic oxide, copper dust and even shredded paper.
GB3791163A 1962-10-08 1963-09-26 Improvements relating to coated pigment particles Expired GB1061982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22923062A 1962-10-08 1962-10-08

Publications (1)

Publication Number Publication Date
GB1061982A true GB1061982A (en) 1967-03-15

Family

ID=22860326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3791163A Expired GB1061982A (en) 1962-10-08 1963-09-26 Improvements relating to coated pigment particles

Country Status (1)

Country Link
GB (1) GB1061982A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235987A1 (en) * 1973-07-07 1975-01-31 Mitsui Toatsu Chemicals
US5431956A (en) * 1992-05-29 1995-07-11 Tioxide Group Services Limited Coated inorganic particles
CN110982096A (en) * 2019-12-27 2020-04-10 广东美联新材料股份有限公司 Color master batch prepared based on in-situ polymerization of active monomer and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235987A1 (en) * 1973-07-07 1975-01-31 Mitsui Toatsu Chemicals
US5431956A (en) * 1992-05-29 1995-07-11 Tioxide Group Services Limited Coated inorganic particles
CN110982096A (en) * 2019-12-27 2020-04-10 广东美联新材料股份有限公司 Color master batch prepared based on in-situ polymerization of active monomer and preparation method thereof

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