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JPS5671829A - Manufacture for magnetic recording medium - Google Patents

Manufacture for magnetic recording medium

Info

Publication number
JPS5671829A
JPS5671829A JP14924179A JP14924179A JPS5671829A JP S5671829 A JPS5671829 A JP S5671829A JP 14924179 A JP14924179 A JP 14924179A JP 14924179 A JP14924179 A JP 14924179A JP S5671829 A JPS5671829 A JP S5671829A
Authority
JP
Japan
Prior art keywords
magnetic
boiling point
recording medium
solvent
magnetic recording
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
JP14924179A
Other languages
Japanese (ja)
Inventor
Takezo Shimizu
Satoru Yamaguchi
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP14924179A priority Critical patent/JPS5671829A/en
Publication of JPS5671829A publication Critical patent/JPS5671829A/en
Pending legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To prevent the charging and to obtain the magnetic recording medium less in dropout due to the attachment of dust, by forming the magnetic substance layer through coating the magnetic paint including high boiling point more than the specific boiling point on the substrate as solvent or dilution agent.
CONSTITUTION: The magnetic paint is prepared by mixing (A) the solvent and dilute agent having the boiling point of 140°C or more such as cyclohexone, diisobutyl ketone, dimethyl formamide, cumene, (B) low boiling point solvent such as toluen, methyl ethyl ketone, and ethyl ecetate, (C) coupling agent composition such as polyvinyl chloride copolymer, polyvinylidene copolymer, and fibrous resin, (D) magnetic powder such as γ-Fe2O3, Fe3O4, CrO2, and γ-Fe2O3 including cobalt. Next, by coating this magnetic paint on the base such as polyester film to form the magnetic substance layer, the objective magnetic recording medium can be obtained.
COPYRIGHT: (C)1981,JPO&Japio
JP14924179A 1979-11-17 1979-11-17 Manufacture for magnetic recording medium Pending JPS5671829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14924179A JPS5671829A (en) 1979-11-17 1979-11-17 Manufacture for magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14924179A JPS5671829A (en) 1979-11-17 1979-11-17 Manufacture for magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5671829A true JPS5671829A (en) 1981-06-15

Family

ID=15470959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14924179A Pending JPS5671829A (en) 1979-11-17 1979-11-17 Manufacture for magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5671829A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212620A (en) * 1981-06-24 1982-12-27 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS6083219A (en) * 1983-10-13 1985-05-11 Sekisui Chem Co Ltd Binder for magnetic recording body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57212620A (en) * 1981-06-24 1982-12-27 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS6083219A (en) * 1983-10-13 1985-05-11 Sekisui Chem Co Ltd Binder for magnetic recording body

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