JPS55142416A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS55142416A
JPS55142416A JP5041879A JP5041879A JPS55142416A JP S55142416 A JPS55142416 A JP S55142416A JP 5041879 A JP5041879 A JP 5041879A JP 5041879 A JP5041879 A JP 5041879A JP S55142416 A JPS55142416 A JP S55142416A
Authority
JP
Japan
Prior art keywords
protecting layer
magnetic
layer
magnetic recording
magnetic substance
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
JP5041879A
Other languages
Japanese (ja)
Inventor
Kazuto Karashima
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 Holdings 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 JP5041879A priority Critical patent/JPS55142416A/en
Publication of JPS55142416A publication Critical patent/JPS55142416A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To improve the durability of magnetic recording media, by providing the protecting layer consisting of vinyl chloride-vinylpropionic acid copolymer, nitril- butadiene rubber and polyisocyanate of low molecular weight on the surface of magnetic substance.
CONSTITUTION: On the mold release layer 2 formed on the film 1 such as polyester, the protecting layer paint mixing a certain amount of vinyl chloride-vinylpropionic acid copolymer, nitril-butadiene rubber and polyisocyanate of low molecular weight is coated and the protecting layer 3 is formed with drying. The magnetic substance layer 4 is formed on the protecting layer 4 to constitute the copying magnetic sheet, the magnetic substance layer 4 is laminated on the board 5 of polyvinyl chloride so that it is in contact with the board 5, and after pressing, the film 1 is peeled. Thus, suitable elasticity is given to the protecting layer 3, the shock from the magnetic head is mitigated, and the magnetic recording media durable for a long time can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP5041879A 1979-04-23 1979-04-23 Magnetic recording medium Pending JPS55142416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5041879A JPS55142416A (en) 1979-04-23 1979-04-23 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5041879A JPS55142416A (en) 1979-04-23 1979-04-23 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS55142416A true JPS55142416A (en) 1980-11-07

Family

ID=12858309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5041879A Pending JPS55142416A (en) 1979-04-23 1979-04-23 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS55142416A (en)

Similar Documents

Publication Publication Date Title
JPS567233A (en) Magnetic recording medium
JPS5723632A (en) Modifying method for surface of molded polycarbonate resin article
JPS55142416A (en) Magnetic recording medium
JPS55142418A (en) Magnetic recording medium
JPS55142420A (en) Magnetic recording medium
JPS5366985A (en) Heat-shrinkable multi-layered foaming sheet
JPS55142415A (en) Magnetic recording medium
JPS55142419A (en) Magnetic recording medium
JPS57102391A (en) Ink jet recording sheet
JPS55142414A (en) Magnetic recording medium
JPS55142417A (en) Magnetic recording medium
JPS56130747A (en) Improving method for shelf life of color image
JPS5711084A (en) Painting method onto three-dimensional structure
JPS5269940A (en) Adhesive for laminate
JPS5584031A (en) Colored magnetic sheet
JPS55125539A (en) Magnetic recording substance
JPS57135122A (en) Manufacture of polimer laminate
JPS51121092A (en) Heat-curable composite sheet material
JPS538150A (en) Heat sensitive recording type magnetic sheet
JPS57133522A (en) Magnetic recording medium
JPS5584039A (en) Magnetic recording medium
JPS57123531A (en) Magnetic recording medium
JPS5324340A (en) Double-sided remoistening adhering material
JPS55144121A (en) Production of decorative material
JPS56151596A (en) Transcribing sheet