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GB1352618A - Pigment dispersions - Google Patents

Pigment dispersions

Info

Publication number
GB1352618A
GB1352618A GB1352618DA GB1352618A GB 1352618 A GB1352618 A GB 1352618A GB 1352618D A GB1352618D A GB 1352618DA GB 1352618 A GB1352618 A GB 1352618A
Authority
GB
United Kingdom
Prior art keywords
asbestos
pigment
dispersion
fibres
liberated
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
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Priority claimed from FR7128295A external-priority patent/FR2148754A5/fr
Publication of GB1352618A publication Critical patent/GB1352618A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/02Emulsion paints including aerosols
    • C09D5/024Emulsion paints including aerosols characterised by the additives
    • C09D5/028Pigments; Filters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/001Pigment pastes, e.g. for mixing in paints in aqueous medium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/54Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/80Particles consisting of a mixture of two or more inorganic phases
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

1352618 Pigments for latices UNION CARBIDE CORP 6 July 1971 31594/71 Heading C3P [Also in Division C4] A pigment dispersion or paint composition comprises liberated, short fibre, cationic colloidally-dispersed chrysotile asbestos fibres having anionic pigment particles held along the lengths thereof, the fibres having a specific surface area of 60-80 m.<SP>2</SP>/g., a reflectance of 74-77% and a magnetic content of less than 0À60%. The liberated asbestos fibres are obtained from asbestos ore by an hydraulic beneficiation process in which an initial wet grinding and screening is followed by wet mechanical and/or chemical treatment to liberate the individual fibres from bundles thereof, and a further wet grinding to the desired degree of liberation, indicated by the surface area. The anionic pigment may be titanium dioxide, zinc sulphide, zinc oxide, basic white lead silicate, lithopone, iron oxide or antimony oxide, and/or an extender pigment, e.g. whiting, bentonite or other clays, talc, magnesium aluminium silicate, mica, calcium silicate, silica or barium sulphide. The pigmented asbestos usually constitutes 1-25% by wt. of the total solids of the dispersion. The dispersions can be prepared by (I) a pellet or open fibre process or (II) a filter cake process. In (I) a liberated asbestos slurry is blended with the pigment, and the coflocced product is dewatered, pelleted, dried and optionally milled. In (II) the slurry is first dewatered to a filter cake, optionally dried, and then mixed with the pigment. The dispersion may then be incorporated into a latex paint. The dispersion or paint should have a viscosity of 70-125 K.U. at room temperature, and, if necessary, thickeners are added. The compositions may also contain other solvents than water, surfactants, plasticizers, glycols as coalescing and anti-freeze agents, latex and other binders, defoamers, and driers. In Examples II-VI and IX the latex binder is a vinyl acetate/acrylic ester copolymer, and in Ex.'s V and VI a bodied safflower emulsion and an epoxy ester emulsion, respectively, are also present. In Ex. VII the binder is polyvinyl acetate and in Ex. VIII an acrylic polymer (Examples I and IX are outside the scope of the invention). The other ingredients are the pigmented asbestos, water, an organic bentonite thickener, anionic and nonionic surfactants, ethylene glycol, butyl Carbitol (R.T.M.) acetate, a silicon defoamer, a fungicide, titania, kaolin clay and calcium carbonate. In Ex. VIII ammonium hydroxide is also present.
GB1352618D 1971-08-02 1971-07-06 Pigment dispersions Expired GB1352618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7128295A FR2148754A5 (en) 1970-05-05 1971-08-02

Publications (1)

Publication Number Publication Date
GB1352618A true GB1352618A (en) 1974-05-08

Family

ID=9081333

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1352618D Expired GB1352618A (en) 1971-08-02 1971-07-06 Pigment dispersions

Country Status (1)

Country Link
GB (1) GB1352618A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267503A (en) * 1992-06-04 1993-12-08 Tioxide Group Services Ltd Pigment dispersions
AU661773B2 (en) * 1992-06-04 1995-08-03 Tioxide Group Services Limited Composite pigmentary material
US5672201A (en) * 1995-03-11 1997-09-30 Tioxide Group Services Limited Composite pigmentary material
US5869559A (en) * 1995-02-03 1999-02-09 Tioxide Group Services Limited Composite pigmentary material
WO2006023065A3 (en) * 2004-08-09 2006-04-13 Behr Process Corp Improved pigment spacing
US7947763B2 (en) 2004-08-09 2011-05-24 Behr Process Corporation Exterior deep base paint formulation
US8236885B2 (en) 2004-08-09 2012-08-07 Behr Process Corporation Exterior paint formulation

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267503A (en) * 1992-06-04 1993-12-08 Tioxide Group Services Ltd Pigment dispersions
AU661773B2 (en) * 1992-06-04 1995-08-03 Tioxide Group Services Limited Composite pigmentary material
US5509960A (en) * 1992-06-04 1996-04-23 Tioxide Group Services Limited Composite pigmentary material
GB2267503B (en) * 1992-06-04 1996-07-24 Tioxide Group Services Ltd Composite pigmentary material comprising particles of opposite surface charge
US5554215A (en) * 1992-06-04 1996-09-10 Tioxide Specialties Limited Composite pigmentary material
EP0573150B2 (en) 1992-06-04 2002-04-17 Tioxide Group Services Limited Pigmentary material
US5869559A (en) * 1995-02-03 1999-02-09 Tioxide Group Services Limited Composite pigmentary material
US5672201A (en) * 1995-03-11 1997-09-30 Tioxide Group Services Limited Composite pigmentary material
WO2006023065A3 (en) * 2004-08-09 2006-04-13 Behr Process Corp Improved pigment spacing
US7727323B2 (en) 2004-08-09 2010-06-01 Behr Process Corporation Pigment spacing
US7947763B2 (en) 2004-08-09 2011-05-24 Behr Process Corporation Exterior deep base paint formulation
US8163078B2 (en) 2004-08-09 2012-04-24 Behr Process Corporation Pigment spacing
US8236885B2 (en) 2004-08-09 2012-08-07 Behr Process Corporation Exterior paint formulation
US8815405B2 (en) 2004-08-09 2014-08-26 Behr Process Corporation Exterior deep base paint formulation

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Legal Events

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