FR2485546B2 - Procede de preparation de perles magnetiques de polymeres vinylaromatiques - Google Patents

Procede de preparation de perles magnetiques de polymeres vinylaromatiques

Info

Publication number
FR2485546B2
FR2485546B2 FR8014309A FR8014309A FR2485546B2 FR 2485546 B2 FR2485546 B2 FR 2485546B2 FR 8014309 A FR8014309 A FR 8014309A FR 8014309 A FR8014309 A FR 8014309A FR 2485546 B2 FR2485546 B2 FR 2485546B2
Authority
FR
France
Prior art keywords
preparation
vinylaromatic polymers
magnetic pearls
pearls
magnetic
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
FR8014309A
Other languages
English (en)
Other versions
FR2485546A2 (fr
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 Specialites Chimiques
Original Assignee
Rhone Poulenc Specialites Chimiques
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 Specialites Chimiques filed Critical Rhone Poulenc Specialites Chimiques
Priority to FR8014309A priority Critical patent/FR2485546B2/fr
Priority to IT49421/80A priority patent/IT1145696B/it
Priority to US06/178,465 priority patent/US4339337A/en
Priority to GB8027437A priority patent/GB2057457B/en
Priority to NLAANVRAGE8004764,A priority patent/NL183405C/xx
Priority to CH6363/80A priority patent/CH649008A5/fr
Priority to DE3031790A priority patent/DE3031790C2/de
Publication of FR2485546A2 publication Critical patent/FR2485546A2/fr
Application granted granted Critical
Publication of FR2485546B2 publication Critical patent/FR2485546B2/fr
Expired 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)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
FR8014309A 1979-08-24 1980-06-27 Procede de preparation de perles magnetiques de polymeres vinylaromatiques Expired FR2485546B2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8014309A FR2485546B2 (fr) 1980-06-27 1980-06-27 Procede de preparation de perles magnetiques de polymeres vinylaromatiques
IT49421/80A IT1145696B (it) 1979-08-24 1980-08-04 Procedimento di preparazione di perle magnetiche di polimeri vinilaromatici
US06/178,465 US4339337A (en) 1979-08-24 1980-08-15 Process for the preparation of magnetic beads of vinylaromatic polymers
GB8027437A GB2057457B (en) 1979-08-24 1980-08-22 Preparation of magnetic vinylaromatic polymer beads
NLAANVRAGE8004764,A NL183405C (nl) 1979-08-24 1980-08-22 Werkwijze voor het bereiden van magnetische parels uit vinylaromatische polymeren.
CH6363/80A CH649008A5 (fr) 1979-08-24 1980-08-22 Procede de preparation de perles magnetiques de polymeres vinylaromatiques.
DE3031790A DE3031790C2 (de) 1979-08-24 1980-08-22 Verfahren zur Herstellung von magnetischen Polymerisatperlen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8014309A FR2485546B2 (fr) 1980-06-27 1980-06-27 Procede de preparation de perles magnetiques de polymeres vinylaromatiques

Publications (2)

Publication Number Publication Date
FR2485546A2 FR2485546A2 (fr) 1981-12-31
FR2485546B2 true FR2485546B2 (fr) 1985-06-07

Family

ID=9243586

Family Applications (1)

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

Country Status (1)

Country Link
FR (1) FR2485546B2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115259404B (zh) * 2022-08-19 2024-04-16 广西博世科环保科技股份有限公司 一种功能化悬浮滤料的制备及使用方法

Also Published As

Publication number Publication date
FR2485546A2 (fr) 1981-12-31

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