JPS635406B2 - - Google Patents

Info

Publication number
JPS635406B2
JPS635406B2 JP55114862A JP11486280A JPS635406B2 JP S635406 B2 JPS635406 B2 JP S635406B2 JP 55114862 A JP55114862 A JP 55114862A JP 11486280 A JP11486280 A JP 11486280A JP S635406 B2 JPS635406 B2 JP S635406B2
Authority
JP
Japan
Prior art keywords
weight
monomers
monomer
solution
vinyl aromatic
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
JP55114862A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5655406A (en
Inventor
Toriko Maruku
Kuroodo Danieru Jan
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Publication of JPS5655406A publication Critical patent/JPS5655406A/ja
Publication of JPS635406B2 publication Critical patent/JPS635406B2/ja
Granted legal-status Critical Current

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
    • 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)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Dermatology (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Polymerisation Methods In General (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Soft Magnetic Materials (AREA)
JP11486280A 1979-08-24 1980-08-22 Manufacture of magnetic bead of vinyl aromatic polymer Granted JPS5655406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7921342A FR2463778A1 (fr) 1979-08-24 1979-08-24 Procede de preparation de perles magnetiques de polymeres vinylaromatiques

Publications (2)

Publication Number Publication Date
JPS5655406A JPS5655406A (en) 1981-05-16
JPS635406B2 true JPS635406B2 (2) 1988-02-03

Family

ID=9229063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11486280A Granted JPS5655406A (en) 1979-08-24 1980-08-22 Manufacture of magnetic bead of vinyl aromatic polymer

Country Status (2)

Country Link
JP (1) JPS5655406A (2)
FR (1) FR2463778A1 (2)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480764B1 (fr) * 1980-04-18 1985-10-04 Rhone Poulenc Spec Chim Latex de polymeres magnetiques et procede de preparation
US4523996A (en) * 1984-02-22 1985-06-18 Westinghouse Electric Corp. Method of separating cationic from anionic beads in mixed resin beds
JP4513463B2 (ja) * 2004-08-31 2010-07-28 Ｊｓｒ株式会社 磁性粒子およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516290A (en) * 1974-07-08 1976-01-19 Sumitomo Bakelite Co Anteiseio kairyoshita fueraitokeigurafutojugofukugotai
JPS516289A (2) * 1974-07-08 1976-01-19 Sumitomo Bakelite Co
JPS5294389A (en) * 1976-02-04 1977-08-08 Mitsui Toatsu Chem Inc Production of granulated moldable composite
US4157323A (en) * 1976-06-09 1979-06-05 California Institute Of Technology Metal containing polymeric functional microspheres

Also Published As

Publication number Publication date
JPS5655406A (en) 1981-05-16
FR2463778B1 (2) 1985-05-17
FR2463778A1 (fr) 1981-02-27

Similar Documents

Publication Publication Date Title
US4339337A (en) Process for the preparation of magnetic beads of vinylaromatic polymers
US5356713A (en) Magnetizable composite microspheres of hydrophobic crosslinked polymer, process for preparing them and their application in biology
US4358388A (en) Magnetic polymer latex and preparation process
US4873102A (en) Magnetic particles
US5216096A (en) Process for the preparation of cross-linked polymer particles
US5834121A (en) Composite magnetic beads
EP0451940A2 (en) Preparation of polymeric particles
US2687408A (en) Aqueous polymerization with a phosphate suspending agent and a buffer
JPS635406B2 (2)
JPS59221302A (ja) 磁性重合体粒子の製造方法
JPH0149722B2 (2)
JPS62204501A (ja) 磁性ミクロスフエアの製造方法
JPH08176461A (ja) 単分散性微粒子及びその製造方法
JP2949289B2 (ja) ポリマー被覆磁性粒子の製造法
JPS63189413A (ja) 架橋ポリマ−粒子の製造方法
JPS6275267A (ja) 磁性体粒子を包含した重合体粒子の製造方法
EP0373879B1 (en) Preparation process for toner polymer
JPH05155907A (ja) メタアクリル系樹脂粒子の製造方法
JPH06220110A (ja) 大きさの揃ったビニル系重合体粒子の製造方法
JPH011702A (ja) 重合体粒子の製造方法
JPS62262055A (ja) 静電荷現像用トナ−の製造方法
FR2485546A2 (fr) Procede de preparation de perles magnetiques de polymeres vinylaromatiques
JPS58222101A (ja) 充填剤を含有する重合体粒子
JPH0632809A (ja) ３次元重合体微粒子、その製造法、低収縮剤及び不飽和ポリエステル樹脂組成物
JPH08259608A (ja) 架橋ポリマー粒子の製造方法