KR960025384A - 자기기록 매체의 제조방법 - Google Patents

자기기록 매체의 제조방법 Download PDF

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Publication number
KR960025384A
KR960025384A KR1019940040642A KR19940040642A KR960025384A KR 960025384 A KR960025384 A KR 960025384A KR 1019940040642 A KR1019940040642 A KR 1019940040642A KR 19940040642 A KR19940040642 A KR 19940040642A KR 960025384 A KR960025384 A KR 960025384A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
binder
manufacturing
magnetic
Prior art date
Application number
KR1019940040642A
Other languages
English (en)
Other versions
KR0148754B1 (ko
Inventor
정인채
Original Assignee
안시환
주식회사 에스케이씨
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 안시환, 주식회사 에스케이씨 filed Critical 안시환
Priority to KR1019940040642A priority Critical patent/KR0148754B1/ko
Publication of KR960025384A publication Critical patent/KR960025384A/ko
Application granted granted Critical
Publication of KR0148754B1 publication Critical patent/KR0148754B1/ko

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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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/848—Coating a support with a magnetic layer by extrusion
    • 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
    • G11B5/7021—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 containing a polyurethane or a polyisocyanate
    • G11B5/7022—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 containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

본 발명은 자기기록 매체의 제조 방법에 관한 것이다. 유기용제, 자성체, 카본블랙, 연마제, 1차 결합제, 2차 결합제, 윤활제 및 경화제를 함유하는 자성도료를 비자성 지지체 위에 도포, 건조, 캘린더링, 슬리팅하는 것을 포함하는 자기기록매체의 제조 방법에 있어서, 상기 2차 결합제로서 수평균 분자량이 1500 내지 4000이고 폴리올 타입의 프리폴리머를 전체결합제에 대하여 40 내지 60중량% 첨가시키면 도료의 점도가 낮아서 도포가 용이하며 제조된 자기기록 매체의 내구성이 양호하다.

Description

자기기록 매체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 유기용제, 자성체, 카본블랙, 연마제, 1차 결합제, 2차 결합제, 윤활제 및 경화제를 함유하는 자성도료를 비자성 지지체 위에 도포, 건조, 캘린더링, 슬리팅하는 것을 포함하는 자기기록 매체의 제조 방법에 있어서, 상기 2차 결합제로서 수평균 분자량이 1500 내지 4000이고 폴리올 타입의 프리폴리머를 전체 결합제에 대하여 40 내지 60중량% 첨가시키는 것을 특징으로 하는 자기기록 매체의 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940040642A 1994-12-31 1994-12-31 자기기록 매체의 제조방법 KR0148754B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940040642A KR0148754B1 (ko) 1994-12-31 1994-12-31 자기기록 매체의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940040642A KR0148754B1 (ko) 1994-12-31 1994-12-31 자기기록 매체의 제조방법

Publications (2)

Publication Number Publication Date
KR960025384A true KR960025384A (ko) 1996-07-20
KR0148754B1 KR0148754B1 (ko) 1998-10-15

Family

ID=19406261

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940040642A KR0148754B1 (ko) 1994-12-31 1994-12-31 자기기록 매체의 제조방법

Country Status (1)

Country Link
KR (1) KR0148754B1 (ko)

Also Published As

Publication number Publication date
KR0148754B1 (ko) 1998-10-15

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