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JPS5690423A - Magnetic recording material - Google Patents

Magnetic recording material

Info

Publication number
JPS5690423A
JPS5690423A JP16791879A JP16791879A JPS5690423A JP S5690423 A JPS5690423 A JP S5690423A JP 16791879 A JP16791879 A JP 16791879A JP 16791879 A JP16791879 A JP 16791879A JP S5690423 A JPS5690423 A JP S5690423A
Authority
JP
Japan
Prior art keywords
film
magnetic layer
polyester film
recording material
polyester
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.)
Granted
Application number
JP16791879A
Other languages
Japanese (ja)
Other versions
JPH0253845B2 (en
Inventor
Masaji Watanabe
Takeo Kanezaki
Shigeo Uchiumi
Yoshinojo Tomitaka
Masahiro Kita
Naohiro Takeda
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.)
Diafoil Co Ltd
Original Assignee
Diafoil Co Ltd
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 Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP16791879A priority Critical patent/JPS5690423A/en
Publication of JPS5690423A publication Critical patent/JPS5690423A/en
Publication of JPH0253845B2 publication Critical patent/JPH0253845B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To improve adhesive property between the magnetic layer and the film, by forming the magnetic recording material by the magnetic layer and the biaxially oriented polyester film which contains specific wt% polyethylene glycol components and has 1.375W1.390g/cm2 film density.
CONSTITUTION: A magnetic layer is formed on the biaxial polyester film which contains 0.1W10wt% polyethylene glycol components, which have repeated unit HO-(CH2-CH2-O)-nH and molecular weight 300W200,000, polyester as it is or while bound and has 1.375W1.390g/cm2 film density. Thus, since the polyester film is superior in adhesion to the magnetic layer and holds essential mechanical property and thermal dimension a stability in itself, this polyester film is suitable as the magnetic tape base film.
COPYRIGHT: (C)1981,JPO&Japio
JP16791879A 1979-12-24 1979-12-24 Magnetic recording material Granted JPS5690423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16791879A JPS5690423A (en) 1979-12-24 1979-12-24 Magnetic recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16791879A JPS5690423A (en) 1979-12-24 1979-12-24 Magnetic recording material

Publications (2)

Publication Number Publication Date
JPS5690423A true JPS5690423A (en) 1981-07-22
JPH0253845B2 JPH0253845B2 (en) 1990-11-20

Family

ID=15858459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16791879A Granted JPS5690423A (en) 1979-12-24 1979-12-24 Magnetic recording material

Country Status (1)

Country Link
JP (1) JPS5690423A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58215427A (en) * 1982-06-08 1983-12-14 Diafoil Co Ltd Polyester film
JPS58215723A (en) * 1982-06-08 1983-12-15 Diafoil Co Ltd Polyester film for use in magnetic recording material
JPS59148134A (en) * 1983-02-14 1984-08-24 Hitachi Ltd Production of magnetic disk medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50115284A (en) * 1974-02-27 1975-09-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50115284A (en) * 1974-02-27 1975-09-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58215427A (en) * 1982-06-08 1983-12-14 Diafoil Co Ltd Polyester film
JPS58215723A (en) * 1982-06-08 1983-12-15 Diafoil Co Ltd Polyester film for use in magnetic recording material
JPS59148134A (en) * 1983-02-14 1984-08-24 Hitachi Ltd Production of magnetic disk medium

Also Published As

Publication number Publication date
JPH0253845B2 (en) 1990-11-20

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