JPS54151406A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS54151406A
JPS54151406A JP5967378A JP5967378A JPS54151406A JP S54151406 A JPS54151406 A JP S54151406A JP 5967378 A JP5967378 A JP 5967378A JP 5967378 A JP5967378 A JP 5967378A JP S54151406 A JPS54151406 A JP S54151406A
Authority
JP
Japan
Prior art keywords
recording medium
magnetic recording
over
urethane rubber
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
JP5967378A
Other languages
Japanese (ja)
Inventor
Hitoshi Azegami
Hiroshi Ota
Eiji Horigome
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 JP5967378A priority Critical patent/JPS54151406A/en
Publication of JPS54151406A publication Critical patent/JPS54151406A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve dispersibility, hence improve the degree of orientation and maximum residual magnetic flux and further improve durability by using the specific vinyl chloride-vinylidene chloride copolymer together with urethane rubber as a binder.
CONSTITUTION: The binder containing the vinyl chloride-vinylidene chloride copolymer containing 0.3% or over, preferably 0.5% or over, of maleic anhydride and urethane rubber as well as ferromagnetic powder are dispersed together with a dispersant and additives into a solvent. The resultant magnetic coating is secured on a substrate, whereby the magnetic recording medium is formed.
COPYRIGHT: (C)1979,JPO&Japio
JP5967378A 1978-05-19 1978-05-19 Magnetic recording medium Pending JPS54151406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5967378A JPS54151406A (en) 1978-05-19 1978-05-19 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5967378A JPS54151406A (en) 1978-05-19 1978-05-19 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS54151406A true JPS54151406A (en) 1979-11-28

Family

ID=13119938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5967378A Pending JPS54151406A (en) 1978-05-19 1978-05-19 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS54151406A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476035A (en) * 1981-12-28 1984-10-09 Denki Kagaku Kogyo Kabushiki Kaisha Magnetic coating for magnetic recording media

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057407A (en) * 1973-09-20 1975-05-19
JPS5272202A (en) * 1975-12-12 1977-06-16 Tdk Corp Magnetic recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057407A (en) * 1973-09-20 1975-05-19
JPS5272202A (en) * 1975-12-12 1977-06-16 Tdk Corp Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476035A (en) * 1981-12-28 1984-10-09 Denki Kagaku Kogyo Kabushiki Kaisha Magnetic coating for magnetic recording media

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