NL183405C - Werkwijze voor het bereiden van magnetische parels uit vinylaromatische polymeren. - Google Patents

Werkwijze voor het bereiden van magnetische parels uit vinylaromatische polymeren.

Info

Publication number
NL183405C
NL183405C NLAANVRAGE8004764,A NL8004764A NL183405C NL 183405 C NL183405 C NL 183405C NL 8004764 A NL8004764 A NL 8004764A NL 183405 C NL183405 C NL 183405C
Authority
NL
Netherlands
Prior art keywords
preparing magnetic
vinylaromatic polymers
magnetic pearls
pearls
vinylaromatic
Prior art date
Application number
NLAANVRAGE8004764,A
Other languages
English (en)
Dutch (nl)
Other versions
NL8004764A (nl
NL183405B (nl
Original Assignee
Rhone Poulenc Ind
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 FR7921342A external-priority patent/FR2463778A1/fr
Priority claimed from FR8014309A external-priority patent/FR2485546B2/fr
Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of NL8004764A publication Critical patent/NL8004764A/nl
Publication of NL183405B publication Critical patent/NL183405B/xx
Application granted granted Critical
Publication of NL183405C publication Critical patent/NL183405C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70647—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides with a skin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Polymerisation Methods In General (AREA)
  • Soft Magnetic Materials (AREA)
NLAANVRAGE8004764,A 1979-08-24 1980-08-22 Werkwijze voor het bereiden van magnetische parels uit vinylaromatische polymeren. NL183405C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR7921342 1979-08-24
FR7921342A FR2463778A1 (fr) 1979-08-24 1979-08-24 Procede de preparation de perles magnetiques de polymeres vinylaromatiques
FR8014309A FR2485546B2 (fr) 1980-06-27 1980-06-27 Procede de preparation de perles magnetiques de polymeres vinylaromatiques
FR8014309 1980-06-27

Publications (3)

Publication Number Publication Date
NL8004764A NL8004764A (nl) 1981-02-26
NL183405B NL183405B (nl) 1988-05-16
NL183405C true NL183405C (nl) 1988-10-17

Family

ID=26221329

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8004764,A NL183405C (nl) 1979-08-24 1980-08-22 Werkwijze voor het bereiden van magnetische parels uit vinylaromatische polymeren.

Country Status (6)

Country Link
US (1) US4339337A (it)
CH (1) CH649008A5 (it)
DE (1) DE3031790C2 (it)
GB (1) GB2057457B (it)
IT (1) IT1145696B (it)
NL (1) NL183405C (it)

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USRE34145E (en) * 1982-09-02 1992-12-15 Union Carbide Chemicals & Plastics Technology Corporation Encapsulating finely divided solid particles in stable suspensions
WO1984002031A1 (en) * 1982-11-10 1984-05-24 Sintef Magnetic polymer particles and process for the preparation thereof
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JPS6182835A (ja) * 1984-09-29 1986-04-26 Ricoh Co Ltd 微粒子体を含有するミクロゲル分散液
EP0203163A4 (en) * 1984-11-28 1987-09-10 University Patents Inc AFFINITY CHROMATOGRAPHY USING SEPARATING AGENTS BETWEEN MAGNETITE AND DRIED CALCIUM ALGINATE IN A FLUIDIZED AND MAGNETICALLY STABILIZED BED.
US4675113A (en) * 1984-11-28 1987-06-23 University Patents, Inc. Affinity chromatography using dried calcium alginate-magnetite separation media in a magnetically stabilized fluidized bed
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US4891245A (en) * 1986-03-21 1990-01-02 Koh-I-Noor Rapidograph, Inc. Electrophoretic display particles and a process for their preparation
US4665107A (en) * 1986-03-21 1987-05-12 Koh-I-Noor Rapidograph, Inc. Pigment encapsulated latex aqueous colorant dispersions
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US7445894B2 (en) * 2002-05-03 2008-11-04 Molecular Probes, Inc. Compositions and methods for detection and isolation of phosphorylated molecules
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JPS5146552B2 (it) * 1972-12-04 1976-12-09
US4108786A (en) * 1975-12-16 1978-08-22 Mita Industrial Company Ltd. Magnetic dry developer for electrostatic photography and process for preparation thereof
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US4264700A (en) * 1979-10-22 1981-04-28 Xerox Corporation Method of forming magnetic toner particles having a concentration of magnetic particles greater than 45 percent by weight by dispersion polymerization techniques

Also Published As

Publication number Publication date
DE3031790A1 (de) 1981-04-16
IT8049421A0 (it) 1980-08-04
US4339337A (en) 1982-07-13
GB2057457B (en) 1983-12-21
GB2057457A (en) 1981-04-01
DE3031790C2 (de) 1983-01-13
CH649008A5 (fr) 1985-04-30
IT1145696B (it) 1986-11-05
NL8004764A (nl) 1981-02-26
NL183405B (nl) 1988-05-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee