KR920010549A - Magnetic recording media - Google Patents

Magnetic recording media Download PDF

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Publication number
KR920010549A
KR920010549A KR1019900019376A KR900019376A KR920010549A KR 920010549 A KR920010549 A KR 920010549A KR 1019900019376 A KR1019900019376 A KR 1019900019376A KR 900019376 A KR900019376 A KR 900019376A KR 920010549 A KR920010549 A KR 920010549A
Authority
KR
South Korea
Prior art keywords
magnetic recording
binder
weight
recording medium
ferromagnetic powder
Prior art date
Application number
KR1019900019376A
Other languages
Korean (ko)
Other versions
KR920010450B1 (en
Inventor
유득수
구상균
Original Assignee
하기주
주식회사 코오롱
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 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR1019900019376A priority Critical patent/KR920010450B1/en
Publication of KR920010549A publication Critical patent/KR920010549A/en
Application granted granted Critical
Publication of KR920010450B1 publication Critical patent/KR920010450B1/en

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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

Abstract

내용 없음.No content.

Description

자기 기록 매체Magnetic recording media

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

비자성체 지지체 상에 강자성체 분말, 결합제, 연마제, 윤활제 등으로 조성된 자성도료를 도포하여 얻어지는 자기 기록 매체에 있어서, 상기한 자성도료중의 결합제는, 제2차 전이온도가 50℃이상이 되는, 염화비닐-초산비닐-비닐알콜 공중합체와 폴리우레탄 수지의 혼합물로 되어 있고, 이 결합제 중에는 티타네이트계 커플링제가 강자성체 분말 100중량부에 대하여 0.01∼1.0 중량부의 비율로 더욱 첨가되어 있는 것을 특징으로 하는 자기 기록 매체.In a magnetic recording medium obtained by applying a magnetic coating composed of ferromagnetic powder, a binder, an abrasive, a lubricant, and the like on a nonmagnetic support, the binder in the magnetic coating has a secondary transition temperature of 50 ° C or higher, It is a mixture of a vinyl chloride-vinyl acetate-vinyl alcohol copolymer and a polyurethane resin, and in this binder, titanate coupling agent is further added in the ratio of 0.01-1.0 weight part with respect to 100 weight part of ferromagnetic powder. Magnetic recording media. 제1항에 있어서, 상기한 결합제는 강자성체 분말 100중량부에 대하여 15∼30중량부의 비율로 첨가되어 있는 것을 특징으로 하는 자기 기록 매체.The magnetic recording medium according to claim 1, wherein the binder is added at a ratio of 15 to 30 parts by weight based on 100 parts by weight of the ferromagnetic powder. 제1항 또는 제2항에 있어서, 상기한 염화비닐-초산비닐-비닐알콜 공중합체 수지와 폴리우레탄 수지의 혼합비율을 중량비로 3:7∼7:3인 것을 특징으로 하는 자기 기록 매체.The magnetic recording medium according to claim 1 or 2, wherein the mixing ratio of the vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin and the polyurethane resin is 3: 7 to 7: 3 by weight. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900019376A 1990-11-28 1990-11-28 Magnetic medium KR920010450B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900019376A KR920010450B1 (en) 1990-11-28 1990-11-28 Magnetic medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900019376A KR920010450B1 (en) 1990-11-28 1990-11-28 Magnetic medium

Publications (2)

Publication Number Publication Date
KR920010549A true KR920010549A (en) 1992-06-26
KR920010450B1 KR920010450B1 (en) 1992-11-28

Family

ID=19306662

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900019376A KR920010450B1 (en) 1990-11-28 1990-11-28 Magnetic medium

Country Status (1)

Country Link
KR (1) KR920010450B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005003682A1 (en) * 2003-07-08 2005-01-13 Heon Jeong Apparatus for detecting adhered portion or edge of sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005003682A1 (en) * 2003-07-08 2005-01-13 Heon Jeong Apparatus for detecting adhered portion or edge of sheet

Also Published As

Publication number Publication date
KR920010450B1 (en) 1992-11-28

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