JPS5740743A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5740743A
JPS5740743A JP11616480A JP11616480A JPS5740743A JP S5740743 A JPS5740743 A JP S5740743A JP 11616480 A JP11616480 A JP 11616480A JP 11616480 A JP11616480 A JP 11616480A JP S5740743 A JPS5740743 A JP S5740743A
Authority
JP
Japan
Prior art keywords
group
binder
recording medium
magnetic recording
polymer
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
JP11616480A
Other languages
Japanese (ja)
Other versions
JPS6346489B2 (en
Inventor
Masashi Somezawa
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP11616480A priority Critical patent/JPS5740743A/en
Publication of JPS5740743A publication Critical patent/JPS5740743A/en
Publication of JPS6346489B2 publication Critical patent/JPS6346489B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent

Abstract

PURPOSE:To improve dispersibility, the fall of powder, etc., by using as a binder a (pre)polymer which has a hydrophilic group at one terminal side, a hydrophilic group inferior to the said group at the other side, and a constituent part, having excellent compatibility with the binder, at an intermediate part. CONSTITUTION:Magnetic paint is applied onto a base and dried to obtain a magnetic recording medium. This magnetic paint contains as a binder component a prepolymer or polymer having a hydrophlic group of a carboxylic acid, sulfonic acid, phosphate, amine, quaternary ammonium, ethylene oxide, and hydroxyl group type, etc., at one terminal, a lipophilic group, such as alkyl group, phenyl group, etc., or a hydrophilic group inferior to the said one, and an intermediate constituent part such as polyester, polyether, polyurethane, epoxy, polybutadiene, and polyamide.
JP11616480A 1980-08-23 1980-08-23 Magnetic recording medium Granted JPS5740743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11616480A JPS5740743A (en) 1980-08-23 1980-08-23 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11616480A JPS5740743A (en) 1980-08-23 1980-08-23 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS5740743A true JPS5740743A (en) 1982-03-06
JPS6346489B2 JPS6346489B2 (en) 1988-09-16

Family

ID=14680357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11616480A Granted JPS5740743A (en) 1980-08-23 1980-08-23 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5740743A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175135A (en) * 1982-04-05 1983-10-14 Konishiroku Photo Ind Co Ltd Magnetic recording medium
JPS58175133A (en) * 1982-04-06 1983-10-14 Konishiroku Photo Ind Co Ltd Magnetic recording medium
JPS58185027A (en) * 1982-04-22 1983-10-28 Sony Corp Magnetic recording medium
JPS598127A (en) * 1982-07-05 1984-01-17 Sony Corp Magnetic recording medium
JPS5940320A (en) * 1982-08-30 1984-03-06 Sony Corp Magnetic recording medium
JPS5979428A (en) * 1982-10-29 1984-05-08 Sony Corp Magnetic recording medium
JPS5979427A (en) * 1982-10-29 1984-05-08 Sony Corp Magnetic recording medium
JPS59116929A (en) * 1982-12-24 1984-07-06 Fuji Photo Film Co Ltd Magnetic recording medium
JPS6159623A (en) * 1984-08-29 1986-03-27 Hitachi Maxell Ltd Magnetic recording medium

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04163253A (en) * 1990-10-25 1992-06-08 Ikeda Bussan Co Ltd Air bag device

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523815A (en) * 1975-06-24 1977-01-12 Yoshinari Hirosaki A process for preparing a health promotive agent for men and cattle
JPS5338760A (en) * 1976-09-16 1978-04-10 Nakagawa Orimono Kk Method of fitting pattern for shift woven fabric with splashed patterns
JPS5428603A (en) * 1977-08-05 1979-03-03 Toyo Boseki Magnetic recording medium
JPS5483406A (en) * 1977-12-15 1979-07-03 Hitachi Maxell Method of fabricating magnetic record medium
JPS5484707A (en) * 1977-12-19 1979-07-05 Hitachi Maxell Magnetic recording medium
JPS54143117A (en) * 1978-04-27 1979-11-08 Toyo Boseki Magnetic recording medium
JPS54148504A (en) * 1978-05-15 1979-11-20 Tdk Corp Magnetic recording medium
JPS54151417A (en) * 1978-05-19 1979-11-28 Toyo Boseki Magnetic recording medium
JPS54153009A (en) * 1978-05-23 1979-12-01 Toyo Tire & Rubber Co Magnetic recording medium
JPS54157603A (en) * 1978-06-01 1979-12-12 Toyo Boseki Magnetic recording medium
JPS5538693A (en) * 1978-09-13 1980-03-18 Toyo Tire & Rubber Co Ltd Magnetic recording medium
JPS55139634A (en) * 1979-04-16 1980-10-31 Hitachi Maxell Ltd Magnetic recording medium
JPS55147570A (en) * 1979-05-07 1980-11-17 Victor Co Of Japan Ltd Magnetic paint
JPS5841565A (en) * 1981-09-07 1983-03-10 日本ゼオン株式会社 Pulse type blood pump

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523815A (en) * 1975-06-24 1977-01-12 Yoshinari Hirosaki A process for preparing a health promotive agent for men and cattle
JPS5338760A (en) * 1976-09-16 1978-04-10 Nakagawa Orimono Kk Method of fitting pattern for shift woven fabric with splashed patterns
JPS5428603A (en) * 1977-08-05 1979-03-03 Toyo Boseki Magnetic recording medium
JPS5483406A (en) * 1977-12-15 1979-07-03 Hitachi Maxell Method of fabricating magnetic record medium
JPS5484707A (en) * 1977-12-19 1979-07-05 Hitachi Maxell Magnetic recording medium
JPS54143117A (en) * 1978-04-27 1979-11-08 Toyo Boseki Magnetic recording medium
JPS54148504A (en) * 1978-05-15 1979-11-20 Tdk Corp Magnetic recording medium
JPS54151417A (en) * 1978-05-19 1979-11-28 Toyo Boseki Magnetic recording medium
JPS54153009A (en) * 1978-05-23 1979-12-01 Toyo Tire & Rubber Co Magnetic recording medium
JPS54157603A (en) * 1978-06-01 1979-12-12 Toyo Boseki Magnetic recording medium
JPS5538693A (en) * 1978-09-13 1980-03-18 Toyo Tire & Rubber Co Ltd Magnetic recording medium
JPS55139634A (en) * 1979-04-16 1980-10-31 Hitachi Maxell Ltd Magnetic recording medium
JPS55147570A (en) * 1979-05-07 1980-11-17 Victor Co Of Japan Ltd Magnetic paint
JPS5841565A (en) * 1981-09-07 1983-03-10 日本ゼオン株式会社 Pulse type blood pump

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0332129B2 (en) * 1982-04-05 1991-05-10 Konishiroku Photo Ind
JPS58175135A (en) * 1982-04-05 1983-10-14 Konishiroku Photo Ind Co Ltd Magnetic recording medium
JPS58175133A (en) * 1982-04-06 1983-10-14 Konishiroku Photo Ind Co Ltd Magnetic recording medium
JPH0332128B2 (en) * 1982-04-06 1991-05-10 Konishiroku Photo Ind
JPS58185027A (en) * 1982-04-22 1983-10-28 Sony Corp Magnetic recording medium
JPS598127A (en) * 1982-07-05 1984-01-17 Sony Corp Magnetic recording medium
JPH0379764B2 (en) * 1982-07-05 1991-12-19 Sonii Kk
JPS5940320A (en) * 1982-08-30 1984-03-06 Sony Corp Magnetic recording medium
JPH0379765B2 (en) * 1982-08-30 1991-12-19 Sony Corp
JPS5979427A (en) * 1982-10-29 1984-05-08 Sony Corp Magnetic recording medium
JPS5979428A (en) * 1982-10-29 1984-05-08 Sony Corp Magnetic recording medium
JPH0456369B2 (en) * 1982-10-29 1992-09-08 Sony Corp
JPS59116929A (en) * 1982-12-24 1984-07-06 Fuji Photo Film Co Ltd Magnetic recording medium
JPH056734B2 (en) * 1982-12-24 1993-01-27 Fuji Photo Film Co Ltd
JPS6159623A (en) * 1984-08-29 1986-03-27 Hitachi Maxell Ltd Magnetic recording medium
JPH0470686B2 (en) * 1984-08-29 1992-11-11 Hitachi Maxell

Also Published As

Publication number Publication date
JPS6346489B2 (en) 1988-09-16

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