JPS6484414A - Disk-shaped magnetic recording medium - Google Patents

Disk-shaped magnetic recording medium

Info

Publication number
JPS6484414A
JPS6484414A JP24190187A JP24190187A JPS6484414A JP S6484414 A JPS6484414 A JP S6484414A JP 24190187 A JP24190187 A JP 24190187A JP 24190187 A JP24190187 A JP 24190187A JP S6484414 A JPS6484414 A JP S6484414A
Authority
JP
Japan
Prior art keywords
disk
recording medium
magnetic recording
binder resin
shaped magnetic
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
JP24190187A
Other languages
Japanese (ja)
Inventor
Hisato Kato
Kazumasa Matsumoto
Kimio Ozawa
Nobuyuki Sekiguchi
Kenichi Nakajima
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP24190187A priority Critical patent/JPS6484414A/en
Publication of JPS6484414A publication Critical patent/JPS6484414A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To improve the dispersibility of magnetic powder and to improve wear resistance and durability by introducing acidic groups, epoxy group and hydroxyl group into the binder resin of a magnetic layer. CONSTITUTION:This disk-shaped magnetic recording medium is formed by kneading and dispersing ferromagnetic material particles together with a binder resin soln. and coating the dispersion thereof on a nonmagnetic material. A vinyl chloride resin having at least one kind of the acidic groups or the acid groups forming the salts thereof as well as the epoxy group and hydroxyl group is incorporated into the binder resin of said magnetic layer. Ester which consists of alcohol of >=6C having a branch and fatty acid of >=12C and ester which is solid at ordinary temp. are further incorporated into this magnetic layer. The dispersibility of the fine particle magnetic powder is thereby improved and the disk-shaped magnetic recording medium having the good wear resistance, surface lubricity or durability is thereby obtd.
JP24190187A 1987-09-25 1987-09-25 Disk-shaped magnetic recording medium Pending JPS6484414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24190187A JPS6484414A (en) 1987-09-25 1987-09-25 Disk-shaped magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24190187A JPS6484414A (en) 1987-09-25 1987-09-25 Disk-shaped magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS6484414A true JPS6484414A (en) 1989-03-29

Family

ID=17081238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24190187A Pending JPS6484414A (en) 1987-09-25 1987-09-25 Disk-shaped magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS6484414A (en)

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