KR940016006A - Magnetic recording medium - Google Patents

Magnetic recording medium Download PDF

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Publication number
KR940016006A
KR940016006A KR1019920026170A KR920026170A KR940016006A KR 940016006 A KR940016006 A KR 940016006A KR 1019920026170 A KR1019920026170 A KR 1019920026170A KR 920026170 A KR920026170 A KR 920026170A KR 940016006 A KR940016006 A KR 940016006A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
binder
weight
parts
Prior art date
Application number
KR1019920026170A
Other languages
Korean (ko)
Inventor
한석호
전광승
Original Assignee
배도
동양폴리에스터 주식회사
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 배도, 동양폴리에스터 주식회사 filed Critical 배도
Priority to KR1019920026170A priority Critical patent/KR940016006A/en
Publication of KR940016006A publication Critical patent/KR940016006A/en

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Abstract

본 발명은 주행성 및 내마모성이 향상된 자기기록 매체를 제공하는 것으로 비자성 지지체상에 백코팅을 가지는 자기기록 매체에 있어서, 자기기록 매체가 그 백코팅층에서 카본블랙 100중량부에 대하여, Tg가 70~150℃인 바인더와 Tg가 35~65℃인 바인더, 그리고 Tg가 -15~10℃인 바인더들의 혼합물을 90~160중량부 함유하여 구성되는 것이며 동마찰계수, 내구성 및 표면 전기 저항이 우수한 자기기록 매체이다.The present invention provides a magnetic recording medium having improved running and abrasion resistance, wherein the magnetic recording medium has a back coating on a nonmagnetic support, wherein the magnetic recording medium has a Tg of 70 to 100 parts by weight of carbon black in the back coating layer. Containing 90 ~ 160 parts by weight of a mixture of 150 ° C. binder, Tg of 35 ° C. to 65 ° C., and binders of Tg of −15 ° C. to 10 ° C., and excellent magnetic friction, durability and surface electrical resistance. It is a medium.

Description

자기기록매체Magnetic recording medium

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

Claims (2)

비자성 지지체상에 백코팅을 가지는 자기기록 매체에 있어서, 자기기록 매체가 그 백코팅층에서 카본블랙 100중량부에 대하여, Tg가 70~150℃인 바인더와 Tg가 35~60℃인 바인더, 그리고 Tg가 -15~10℃인 바인더들의 혼합물을 90~160중량부 함유하는 것을 특징으로 하는 자기기록 매체.A magnetic recording medium having a back coating on a nonmagnetic support, wherein the magnetic recording medium has a binder having a Tg of 70 to 150 ° C., a binder having a Tg of 35 to 60 ° C., to 100 parts by weight of carbon black in the back coating layer, and A magnetic recording medium containing 90 to 160 parts by weight of a mixture of binders having a Tg of -15 to 10 ° C. 제1항에 있어서, Tg가 70~150℃인 바인더와 Tg가 35~65℃인 바인더의 중량부가 4 : 6~6 : 4이고, Tg가 70~150℃인 바인더와 Tg가 -15~10℃인 바인더의 중량비가 7 : 3~6 : 4인 것을 특징으로 하는 자기기록 매체.The binder according to claim 1, wherein the weight portion of the binder having a Tg of 70 to 150 ° C and the binder having a Tg of 35 to 65 ° C is 4: 6 to 6: 4, and the binder having a Tg of 70 to 150 ° C and Tg is -15 to 10 A magnetic recording medium, wherein the weight ratio of the binder at 7 ° C is 7: 3 to 6: 4. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920026170A 1992-12-29 1992-12-29 Magnetic recording medium KR940016006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920026170A KR940016006A (en) 1992-12-29 1992-12-29 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920026170A KR940016006A (en) 1992-12-29 1992-12-29 Magnetic recording medium

Publications (1)

Publication Number Publication Date
KR940016006A true KR940016006A (en) 1994-07-22

Family

ID=67215183

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920026170A KR940016006A (en) 1992-12-29 1992-12-29 Magnetic recording medium

Country Status (1)

Country Link
KR (1) KR940016006A (en)

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application