KR940004540A - Method of manufacturing magnetic recording medium - Google Patents

Method of manufacturing magnetic recording medium Download PDF

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Publication number
KR940004540A
KR940004540A KR1019920015077A KR920015077A KR940004540A KR 940004540 A KR940004540 A KR 940004540A KR 1019920015077 A KR1019920015077 A KR 1019920015077A KR 920015077 A KR920015077 A KR 920015077A KR 940004540 A KR940004540 A KR 940004540A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
manufacturing magnetic
manufacturing
present
Prior art date
Application number
KR1019920015077A
Other languages
Korean (ko)
Inventor
박승태
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019920015077A priority Critical patent/KR940004540A/en
Publication of KR940004540A publication Critical patent/KR940004540A/en

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

Abstract

본 발명은 자기기록매체의 제조방법에 관한 것으로, 자성도료에 혼합되는 결착제로서 분자량이 10,000∼20,000이고, 하이드록실기 10wt% 이상 함유하는 폴리우레탄을 사용하여 자기기록매체를 제조하는 것으로, 이러한 본 발명은 고주파에서의 출력 향상, 도막의 내구성, 내환경성이 향상되는 자기기록매체를 제공할 수 있게 된다.The present invention relates to a method of manufacturing a magnetic recording medium, which is to prepare a magnetic recording medium using a polyurethane having a molecular weight of 10,000 to 20,000 and containing 10 wt% or more of hydroxyl groups as a binder to be mixed with a magnetic paint. The present invention can provide a magnetic recording medium having improved output at high frequency, durability of a coating film, and environmental resistance.

Description

자기기록매체의 제조방법Method of manufacturing magnetic recording medium

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

Claims (1)

자기기록매체의 제조방법에 있어서, 분자량이 10,000∼20,000이고, 하이드록실기(OH) 10wt% 이상 함유하는 폴리우레탄을 결착제로 사용하여 자기록매체를 제조함을 특징으로 하는 자기기록매체의 제조방법.A method of manufacturing a magnetic recording medium, comprising: producing a magnetic recording medium using a polyurethane having a molecular weight of 10,000 to 20,000 and containing 10 wt% or more of hydroxyl groups (OH) as a binder. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920015077A 1992-08-21 1992-08-21 Method of manufacturing magnetic recording medium KR940004540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920015077A KR940004540A (en) 1992-08-21 1992-08-21 Method of manufacturing magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920015077A KR940004540A (en) 1992-08-21 1992-08-21 Method of manufacturing magnetic recording medium

Publications (1)

Publication Number Publication Date
KR940004540A true KR940004540A (en) 1994-03-15

Family

ID=67147943

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920015077A KR940004540A (en) 1992-08-21 1992-08-21 Method of manufacturing magnetic recording medium

Country Status (1)

Country Link
KR (1) KR940004540A (en)

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E902 Notification of reason for refusal
E601 Decision to refuse application