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JPH076348A Expired / Lapsed JP ⏱️ 0.0 years remaining

Magnetic recording medium

Assignee: Sony Corp
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Filing: 1993-06-21
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Granted: —
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Expires: 2013-06-21
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Abstract

Abstract Translated from Japanese (57)【要約】 バックコート層をエポキシ基を有する塩化ビニル系共重 合体を含有するバインダーと、アルカリ金属及びアルカ リ土類金属のイオン抽出総量が500ppm以下である カーボンブラックで構成する。 【効果】 優れた摩擦低減効果,帯電防止効果,耐摩耗 性を有するとともに表面に無機物結晶が発生することの ないバックコート層が形成され、走行性,耐久性に優れ た磁気記録媒体を得ることが可能である。 (57) [Summary] The back coat layer is composed of a binder containing a vinyl chloride copolymer having an epoxy group and carbon black having a total ion extraction amount of alkali metal and alkaline earth metal of 500 ppm or less. [Effect] To obtain a magnetic recording medium which has an excellent friction reducing effect, an antistatic effect, wear resistance, and a back coat layer which does not generate inorganic crystals on the surface and which is excellent in running property and durability. Is possible.

Inventors

  • 👤 Seiichi Ikuyama
  • 👤 清一 生山

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-31 17:45
CPC Classifications
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