NL7513465A - Laagvormige magnetogramdragers met verbeterde slijtvastheid. - Google Patents

Laagvormige magnetogramdragers met verbeterde slijtvastheid.

Info

Publication number
NL7513465A
NL7513465A NL7513465A NL7513465A NL7513465A NL 7513465 A NL7513465 A NL 7513465A NL 7513465 A NL7513465 A NL 7513465A NL 7513465 A NL7513465 A NL 7513465A NL 7513465 A NL7513465 A NL 7513465A
Authority
NL
Netherlands
Prior art keywords
shaped
low
abrasion resistance
improved abrasion
magnetogram carriers
Prior art date
Application number
NL7513465A
Other languages
English (en)
Other versions
NL181893B (nl
NL181893C (nl
Original Assignee
Basf Ag
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 DE19742455288 external-priority patent/DE2455288C3/de
Application filed by Basf Ag filed Critical Basf Ag
Publication of NL7513465A publication Critical patent/NL7513465A/nl
Publication of NL181893B publication Critical patent/NL181893B/nl
Application granted granted Critical
Publication of NL181893C publication Critical patent/NL181893C/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7021—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 bonding agent containing a polyurethane or a polyisocyanate
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7021—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 bonding agent containing a polyurethane or a polyisocyanate
    • G11B5/7022—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 bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other 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
    • G11B5/71—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 lubricant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
NL7513465A 1974-11-22 1975-11-18 Laagvormige magnetogramdrager. NL181893C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742455288 DE2455288C3 (de) 1974-11-22 Schichtmagnetogrammträger mit verbesserter Abriebfestigkeit

Publications (3)

Publication Number Publication Date
NL7513465A true NL7513465A (nl) 1976-05-25
NL181893B NL181893B (nl) 1987-06-16
NL181893C NL181893C (nl) 1987-11-16

Family

ID=5931467

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7513465A NL181893C (nl) 1974-11-22 1975-11-18 Laagvormige magnetogramdrager.

Country Status (4)

Country Link
FR (1) FR2292301A1 (nl)
GB (1) GB1528787A (nl)
IT (1) IT1052364B (nl)
NL (1) NL181893C (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028052B2 (ja) * 1977-06-01 1985-07-02 ソニー株式会社 磁気記録媒体
US4343839A (en) * 1980-12-15 1982-08-10 Ashland Oil, Inc. Vapor permeation curable polyester resin coating compositions for flexible substrates
US4666784A (en) * 1985-07-26 1987-05-19 Toyo Boseki Kabushiki Kaisha Magnetic recording medium

Also Published As

Publication number Publication date
GB1528787A (en) 1978-10-18
DE2455288A1 (de) 1976-06-24
NL181893B (nl) 1987-06-16
FR2292301B3 (nl) 1978-08-25
FR2292301A1 (fr) 1976-06-18
IT1052364B (it) 1981-06-20
DE2455288B2 (de) 1977-05-18
NL181893C (nl) 1987-11-16

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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