KR930022285A - Magnetic recording medium and manufacturing method thereof - Google Patents

Magnetic recording medium and manufacturing method thereof Download PDF

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Publication number
KR930022285A
KR930022285A KR1019920006023A KR920006023A KR930022285A KR 930022285 A KR930022285 A KR 930022285A KR 1019920006023 A KR1019920006023 A KR 1019920006023A KR 920006023 A KR920006023 A KR 920006023A KR 930022285 A KR930022285 A KR 930022285A
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KR
South Korea
Prior art keywords
recording medium
magnetic recording
binder
polyvinyl chloride
phosphorous acid
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Application number
KR1019920006023A
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Korean (ko)
Inventor
조현수
Original Assignee
하기주
주식회사 코오롱
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Publication date
Application filed by 하기주, 주식회사 코오롱 filed Critical 하기주
Publication of KR930022285A publication Critical patent/KR930022285A/en

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Abstract

강자성 분말, 카본블랙, 연마제, 결합제 및 기타 첨가제를 포함하는 자성층을 비자성 지지체 상에 형성시킨 자기기록매체에 있어서, 하기 구조식을 갖는 아인산 화합물을 폴리염화비닐계 결합제에 대한 열안정제로서 사용함으로써 내구성 및 전자변환특성을 향상시킨 자기기록매체와 그의 제조방법.In a magnetic recording medium having a magnetic layer comprising ferromagnetic powder, carbon black, an abrasive, a binder, and other additives formed on a nonmagnetic support, durability by using a phosphorous acid compound having the following structural formula as a heat stabilizer for a polyvinyl chloride binder And a magnetic recording medium having improved electron conversion characteristics and a method of manufacturing the same.

(상기식에서, R1, R2, 및 R3은 각각 탄소수 3 내지 12의 포화탄화수소기를 나타낸다.)(In the formula, R 1 , R 2 , and R 3 each represent a saturated hydrocarbon group having 3 to 12 carbon atoms.)

Description

자기기록매체와 그의 제조방법Magnetic recording medium and manufacturing method thereof

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

Claims (4)

강자성 분말, 카본블랙, 연마제 및 기타 첨가제를 폴리염화비닐계를 포화하는 결합제 용액에 혼합, 분산시켜 제조한 자성도료를 비자성 지지체 위에 도표한 뒤, 배향, 건조, 카렌다링, 경화, 슬릿팅 등의 공정을 거쳐 자기기록매체를 제조함에 있어서, 상기 자성도료가 하기 구조식을 갖는 아인산 화합물을 상기 폴리염화비낼계를 포함하는 결합제의 열안정제로서 더욱 포함함을 특징으로 하는 자기기록매체의 제조방법.Magnetic paints prepared by mixing and dispersing ferromagnetic powder, carbon black, abrasives and other additives in a binder solution saturating polyvinyl chloride-based are plotted on a nonmagnetic support, and then oriented, dried, calendared, cured, slitted, etc. The method of manufacturing a magnetic recording medium according to claim 1, wherein the magnetic coating further comprises a phosphorous acid compound having the following structural formula as a thermal stabilizer of a binder including the polychlorinated vinyl system. (상기식에서, R1, R2, 및 R3은 각각 탄소수 3 내지 12의 포화탄화수소기를 나타낸다.)(In the formula, R 1 , R 2 , and R 3 each represent a saturated hydrocarbon group having 3 to 12 carbon atoms.) 제1항에 있어서, 상기 아인산 화합물의 첨가량은 폴리염화 비닐계 결합제 100 중량부에 대하여 1 내지 9 중량부 범위내인 것을 특징으로 하는 자기기록매체의 제조방법.The method of manufacturing a magnetic recording medium according to claim 1, wherein the amount of the phosphorous acid compound added is in the range of 1 to 9 parts by weight based on 100 parts by weight of the polyvinyl chloride binder. 강자성 분말, 카본블랙, 연마제 및 기타 첨가제와, 폴리염화비닐계를 포함하는 결합제로 이루어진 자성층을 비자성 지지체 상에 형성시킨 자기기록매체에 있어서, 첨가제로서 폴리염화비닐계 결합제의 열안정제인 하기 구조식을 갖는 아인산 화합물을 사용하는 것을 특징으로 하는 자기기록매체.In a magnetic recording medium having a magnetic layer composed of a ferromagnetic powder, carbon black, an abrasive, and other additives, and a binder including a polyvinyl chloride-based on a nonmagnetic support, the following structural formula is a thermal stabilizer of a polyvinyl chloride-based binder as an additive. A magnetic recording medium using a phosphorous acid compound having a compound. (상기식에서, R1, R2, 및 R3은 각각 탄소수 3 내지 12의 포화탄화수소기를 나타낸다.)(In the formula, R 1 , R 2 , and R 3 each represent a saturated hydrocarbon group having 3 to 12 carbon atoms.) 제3항에 있어서, 상기 아인산 화합물의 첨가량은 폴리염화비닐계 결합제 100중량부에 대하여 1 내지 9중량부 범위내인 것을 특징으로 하는 자기기록매체.The magnetic recording medium of claim 3, wherein the amount of the phosphorous acid compound added is in the range of 1 to 9 parts by weight based on 100 parts by weight of the polyvinyl chloride binder. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920006023A 1992-04-10 Magnetic recording medium and manufacturing method thereof KR930022285A (en)

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KR930022285A true KR930022285A (en) 1993-11-23

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