DE2146624A1 - Magnettonmaterial - Google Patents

Magnettonmaterial

Info

Publication number
DE2146624A1
DE2146624A1 DE19712146624 DE2146624A DE2146624A1 DE 2146624 A1 DE2146624 A1 DE 2146624A1 DE 19712146624 DE19712146624 DE 19712146624 DE 2146624 A DE2146624 A DE 2146624A DE 2146624 A1 DE2146624 A1 DE 2146624A1
Authority
DE
Germany
Prior art keywords
magnetic
magnetic recording
terpolymer
vinyl
vinyl acetate
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.)
Pending
Application number
DE19712146624
Other languages
German (de)
English (en)
Inventor
Richard S Zucker
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.)
CBS Broadcasting Inc
Original Assignee
Columbia Broadcasting System 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 Columbia Broadcasting System Inc filed Critical Columbia Broadcasting System Inc
Publication of DE2146624A1 publication Critical patent/DE2146624A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/62Polymers of compounds having carbon-to-carbon double bonds
    • C08G18/6275Polymers of halogen containing compounds having carbon-to-carbon double bonds; halogenated polymers of compounds having carbon-to-carbon double bonds
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/702Record 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 bonding agent
    • G11B5/7021Record 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 bonding agent containing a polyurethane or a polyisocyanate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
DE19712146624 1970-09-18 1971-09-17 Magnettonmaterial Pending DE2146624A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7342870A 1970-09-18 1970-09-18

Publications (1)

Publication Number Publication Date
DE2146624A1 true DE2146624A1 (de) 1973-04-12

Family

ID=22113623

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712146624 Pending DE2146624A1 (de) 1970-09-18 1971-09-17 Magnettonmaterial

Country Status (2)

Country Link
DE (1) DE2146624A1 (enExample)
GB (1) GB1304824A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625230A (en) * 1979-08-06 1981-03-11 Sony Corp Magnetic recording medium

Also Published As

Publication number Publication date
GB1304824A (enExample) 1973-01-31

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination