JPS55125539A - Magnetic recording substance - Google Patents

Magnetic recording substance

Info

Publication number
JPS55125539A
JPS55125539A JP3405379A JP3405379A JPS55125539A JP S55125539 A JPS55125539 A JP S55125539A JP 3405379 A JP3405379 A JP 3405379A JP 3405379 A JP3405379 A JP 3405379A JP S55125539 A JPS55125539 A JP S55125539A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic material
instance
coated
substance
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
JP3405379A
Other languages
Japanese (ja)
Other versions
JPS5853409B2 (en
Inventor
Junjiro Aoki
Kimiyoshi Shimazaki
Yoshihisa Komori
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.)
Fujicopian Co Ltd
Original Assignee
Fuji Kagakushi Kogyo 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 Fuji Kagakushi Kogyo Co Ltd filed Critical Fuji Kagakushi Kogyo Co Ltd
Priority to JP54034053A priority Critical patent/JPS5853409B2/en
Publication of JPS55125539A publication Critical patent/JPS55125539A/en
Publication of JPS5853409B2 publication Critical patent/JPS5853409B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: To obtain a magnetic recording substance which is satisfactory in dispersion of magnetic material and excellent in wear-proof of a magnetic coated film, by forming a coated film consisting of magnetic material which has reformed the surface by a coupling agent, and a binder agent on the basic substance.
CONSTITUTION: The surface is coated (the extent that the surface of magnetic material is coated with 1W2 molecular films is desirable.) by making a coupling agent (for instance, one functional titanate such as isopropyl-triisostearoyl-titanate, etc.) react upon magnetic material (for instance, needle-like τ-Fe2O3), and magnetic paint is prepared by mixing the foregoing by 55W97wt% against a binder agent such as polyvinyl chloride, polyvinyl acetate, etc. After that, the afore-mentioned magnetic paint is applied on the basic substance (for instance, polyethylene- telephthalate film), and a magnetic layer whose thickness is several tens of μ is formed, which is made a recording substance.
COPYRIGHT: (C)1980,JPO&Japio
JP54034053A 1979-03-22 1979-03-22 magnetic recording medium Expired JPS5853409B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54034053A JPS5853409B2 (en) 1979-03-22 1979-03-22 magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54034053A JPS5853409B2 (en) 1979-03-22 1979-03-22 magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS55125539A true JPS55125539A (en) 1980-09-27
JPS5853409B2 JPS5853409B2 (en) 1983-11-29

Family

ID=12403537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54034053A Expired JPS5853409B2 (en) 1979-03-22 1979-03-22 magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5853409B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658135A (en) * 1979-10-13 1981-05-21 Sony Corp Magnetic recording medium
JPS56111129A (en) * 1980-02-06 1981-09-02 Sony Corp Magnetic recording medium
JPS573224A (en) * 1980-06-05 1982-01-08 Toshiba Corp Magnetic recording body
JPS6276508A (en) * 1985-09-28 1987-04-08 Toshiba Corp Magnetic powder for high density magnetic recording

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4959608A (en) * 1972-10-05 1974-06-10
JPS51109498A (en) * 1975-03-22 1976-09-28 Tdk Electronics Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4959608A (en) * 1972-10-05 1974-06-10
JPS51109498A (en) * 1975-03-22 1976-09-28 Tdk Electronics Co Ltd

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658135A (en) * 1979-10-13 1981-05-21 Sony Corp Magnetic recording medium
JPH0120489B2 (en) * 1979-10-13 1989-04-17 Sony Corp
JPS56111129A (en) * 1980-02-06 1981-09-02 Sony Corp Magnetic recording medium
JPH0121526B2 (en) * 1980-02-06 1989-04-21 Sony Corp
JPS573224A (en) * 1980-06-05 1982-01-08 Toshiba Corp Magnetic recording body
JPS6276508A (en) * 1985-09-28 1987-04-08 Toshiba Corp Magnetic powder for high density magnetic recording

Also Published As

Publication number Publication date
JPS5853409B2 (en) 1983-11-29

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