KR960025386A

KR960025386A - Method of manufacturing magnetic recording medium

Info

Publication number: KR960025386A
Application number: KR1019940040644A
Authority: KR
Inventors: 정인채
Original assignee: 안시환; 주식회사 에스케이씨
Priority date: 1994-12-31
Filing date: 1994-12-31
Publication date: 1996-07-20

Abstract

본 발명은 자기기록 매체의 제조 방법에 관한 것이다. 메틸에틸케톤, 톨루엔 및 사이클로헥산을 포함하는 유기용제, 자성체, 카본블랙, 연마제, 결합제 및 경화제를 함유하는 자성도료를 비자성 지지체 위에 도포, 건조, 캘린더링, 슬리팅하는 것을 포함하는 자기기록 매체의 제조 방법에 있어서, 상기 자성도료가, 상기 자성체와 상기 연마제의 혼합분말을 제조하는 단계, 상기 톨루엔에 대한 상기 메틸에틸케톤의 비율이 1 이하인 상기 혼합분말 분산용 유기용제를 제조하는 단계, 상기 단계에서 제조된 상기 유기용제를 상기 혼합분말에 투입, 분산시켜 자성체와 연마제의 혼합 분산액을 제조하는 단계 및 상기 분산액, 상기 카본블랙, 상기 결합제, 상기 경화제, 상기 윤활제 및 상기 유기용제를 혼합, 분산하는 단계를 통하여 얻어지는 것을 특징으로 하는 자기기록 매체는 전자특성이 뛰어나다.The present invention relates to a method of manufacturing a magnetic recording medium. Magnetic recording media comprising applying, drying, calendering, and slitting a magnetic paint containing an organic solvent, a magnetic substance, carbon black, an abrasive, a binder, and a curing agent including methyl ethyl ketone, toluene, and cyclohexane on a nonmagnetic support In the manufacturing method of the magnetic paint, the step of preparing a mixed powder of the magnetic material and the abrasive, the step of preparing an organic solvent for dispersing the mixed powder in which the ratio of the methyl ethyl ketone to toluene is 1 or less, the Injecting and dispersing the organic solvent prepared in the step to the mixed powder to prepare a mixed dispersion of the magnetic body and the abrasive and the dispersion, the carbon black, the binder, the curing agent, the lubricant and the organic solvent is mixed and dispersed The magnetic recording medium obtained by the step of making excellent electronic characteristics.

Description

Method of manufacturing magnetic recording medium

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

Claims

Magnetic recording media comprising applying, drying, calendering, and slitting a magnetic paint containing an organic solvent, a magnetic substance, carbon black, an abrasive, a binder, and a curing agent including methyl ethyl ketone, toluene, and cyclohexane on a nonmagnetic support In the manufacturing method of the magnetic coating, the step of preparing a mixed powder of the magnetic material and the abrasive; Preparing an organic solvent for dispersing the mixed powder having a ratio of the methyl ethyl ketone to the toluene of 1 or less; Preparing a mixed dispersion of a magnetic substance and an abrasive by adding and dispersing the organic solvent prepared in the above step into the mixed powder; And mixing and dispersing the dispersion liquid, the carbon black, the binder, the curing agent, the lubricant, and the organic solvent.

※ Note: The disclosure is based on the initial application.