IT1052364B - LAYER MAGNETOGRAMS SUPPORT WITH IMPROVED ABRASION RESISTANCE - Google Patents

LAYER MAGNETOGRAMS SUPPORT WITH IMPROVED ABRASION RESISTANCE

Info

Publication number
IT1052364B
IT1052364B IT5234375A IT5234375A IT1052364B IT 1052364 B IT1052364 B IT 1052364B IT 5234375 A IT5234375 A IT 5234375A IT 5234375 A IT5234375 A IT 5234375A IT 1052364 B IT1052364 B IT 1052364B
Authority
IT
Italy
Prior art keywords
magnetograms
layer
support
abrasion resistance
improved abrasion
Prior art date
Application number
IT5234375A
Other languages
Italian (it)
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/en
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT1052364B publication Critical patent/IT1052364B/en

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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
IT5234375A 1974-11-22 1975-11-21 LAYER MAGNETOGRAMS SUPPORT WITH IMPROVED ABRASION RESISTANCE IT1052364B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742455288 DE2455288C3 (en) 1974-11-22 Layered magnetogram carrier with improved abrasion resistance

Publications (1)

Publication Number Publication Date
IT1052364B true IT1052364B (en) 1981-06-20

Family

ID=5931467

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5234375A IT1052364B (en) 1974-11-22 1975-11-21 LAYER MAGNETOGRAMS SUPPORT WITH IMPROVED ABRASION RESISTANCE

Country Status (4)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028052B2 (en) * 1977-06-01 1985-07-02 ソニー株式会社 magnetic recording medium
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
NL7513465A (en) 1976-05-25
DE2455288A1 (en) 1976-06-24
GB1528787A (en) 1978-10-18
DE2455288B2 (en) 1977-05-18
FR2292301A1 (en) 1976-06-18
FR2292301B3 (en) 1978-08-25
NL181893C (en) 1987-11-16
NL181893B (en) 1987-06-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931127