JPS5613519A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5613519A
JPS5613519A JP8747579A JP8747579A JPS5613519A JP S5613519 A JPS5613519 A JP S5613519A JP 8747579 A JP8747579 A JP 8747579A JP 8747579 A JP8747579 A JP 8747579A JP S5613519 A JPS5613519 A JP S5613519A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic recording
recording medium
tape
binder
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
JP8747579A
Other languages
Japanese (ja)
Inventor
Norimichi Tokuda
Shigeru Takamatsu
Hideo Kobayashi
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP8747579A priority Critical patent/JPS5613519A/en
Priority to NL8003850A priority patent/NL8003850A/en
Priority to GB8022605A priority patent/GB2054622B/en
Priority to DE19803026357 priority patent/DE3026357A1/en
Publication of JPS5613519A publication Critical patent/JPS5613519A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To obtain a magnetic recording medium for a magnetic recording tape, etc., which has dispersibility and surface property improved, by forming a magnetic layer by dispersing magnetic powder in a binder of -SO3Na group containing resin.
CONSTITUTION: In a binder obtained by introducing an -SO3Na group as a side chain for polyester resin (further containing thermoplastic polyurethane and nitrocellulose at need), fixed ferromagnetic powder is dispersed. This magnetic coating is applied on a polyester film, etc., and then dried to form a magnetic recording tape. This magnetic coating is excellent in surface property and superior in surface workability, so that the magnetic tape can be obtained which has improved surface reflectivity, residual magnetic-flux density, S/N, etc.
COPYRIGHT: (C)1981,JPO&Japio
JP8747579A 1979-07-12 1979-07-12 Magnetic recording medium Pending JPS5613519A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8747579A JPS5613519A (en) 1979-07-12 1979-07-12 Magnetic recording medium
NL8003850A NL8003850A (en) 1979-07-12 1980-07-03 Magnetic recording tape - using binder comprising polyester with sodium sulphonate gps. and polyurethane prepolymer
GB8022605A GB2054622B (en) 1979-07-12 1980-07-10 Magnetic recording medium
DE19803026357 DE3026357A1 (en) 1979-07-12 1980-07-11 MAGNETIC RECORDING MEDIUM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8747579A JPS5613519A (en) 1979-07-12 1979-07-12 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5613519A true JPS5613519A (en) 1981-02-09

Family

ID=13915938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8747579A Pending JPS5613519A (en) 1979-07-12 1979-07-12 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5613519A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57145734U (en) * 1981-03-10 1982-09-13
JPS595423A (en) * 1982-07-01 1984-01-12 Sony Corp Magnetic recording medium
JPS595424A (en) * 1982-07-01 1984-01-12 Sony Corp Magnetic recording medium
JPS598127A (en) * 1982-07-05 1984-01-17 Sony Corp Magnetic recording medium
JPS6076018A (en) * 1983-09-30 1985-04-30 Sony Corp Magnetic recording medium
JPS63103423A (en) * 1986-10-20 1988-05-09 Fuji Photo Film Co Ltd Magnetic recording medium
JPH0646794U (en) * 1992-12-07 1994-06-28 株式会社トイボックス Magic hand toys

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57145734U (en) * 1981-03-10 1982-09-13
JPS595423A (en) * 1982-07-01 1984-01-12 Sony Corp Magnetic recording medium
JPS595424A (en) * 1982-07-01 1984-01-12 Sony Corp Magnetic recording medium
JPH0159646B2 (en) * 1982-07-01 1989-12-19 Sony Corp
JPH0563843B2 (en) * 1982-07-01 1993-09-13 Sony Corp
JPS598127A (en) * 1982-07-05 1984-01-17 Sony Corp Magnetic recording medium
JPH0379764B2 (en) * 1982-07-05 1991-12-19 Sonii Kk
JPS6076018A (en) * 1983-09-30 1985-04-30 Sony Corp Magnetic recording medium
JPH0576090B2 (en) * 1983-09-30 1993-10-21 Sony Corp
JPS63103423A (en) * 1986-10-20 1988-05-09 Fuji Photo Film Co Ltd Magnetic recording medium
JPH0610860B2 (en) * 1986-10-20 1994-02-09 富士写真フイルム株式会社 Magnetic recording medium
JPH0646794U (en) * 1992-12-07 1994-06-28 株式会社トイボックス Magic hand toys

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