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JPS56127932A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS56127932A
JPS56127932A JP3190780A JP3190780A JPS56127932A JP S56127932 A JPS56127932 A JP S56127932A JP 3190780 A JP3190780 A JP 3190780A JP 3190780 A JP3190780 A JP 3190780A JP S56127932 A JPS56127932 A JP S56127932A
Authority
JP
Japan
Prior art keywords
glyceride
phosphate
coating material
magnetic
recording medium
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
JP3190780A
Other languages
Japanese (ja)
Inventor
Masaharu Nishimatsu
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 JP3190780A priority Critical patent/JPS56127932A/en
Publication of JPS56127932A publication Critical patent/JPS56127932A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To reduce the coefficient of dymamic friction and suppress the creaking of tape, by using a magnetic coating material containing the phosphate and glyceride that is applied on a substrate.
CONSTITUTION: The magnetic powder (such as γ-Fe2O3), the combined resin (such as vinyl chloride-vinyl acetate copolymer), the phosphate [such as C5H11 (OC2H4)OH phosphate] and the glyceride are kneaded together to obtain a magnetic coating material. Such coating material is coated and dried on a substrate (such as polyester film) to obtain a magnetic tape. One of the mono-, di- or tri-glyceride can be used for the glyceride in an amount equivalent to about twice weight or more of the phosphate.
COPYRIGHT: (C)1981,JPO&Japio
JP3190780A 1980-03-13 1980-03-13 Magnetic recording medium Pending JPS56127932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3190780A JPS56127932A (en) 1980-03-13 1980-03-13 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3190780A JPS56127932A (en) 1980-03-13 1980-03-13 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS56127932A true JPS56127932A (en) 1981-10-07

Family

ID=12344059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3190780A Pending JPS56127932A (en) 1980-03-13 1980-03-13 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS56127932A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164218A (en) * 1986-01-13 1987-07-20 Matsushita Electric Ind Co Ltd Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164218A (en) * 1986-01-13 1987-07-20 Matsushita Electric Ind Co Ltd Magnetic recording medium

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