MEIO DE GRAVACAO MAGNETICA COM UM REVESTIMENTO MAGNETIZAVEL E PROCESSO DE SUA FABRICACAO

Magnetic recording medium protected by an ultra-thin, composite low surface energy covering provided by an inner layer of insoluble polymer and an outer layer of insoluble polymer which are made by in situ polymerization. The inner layer is made from two monomers such as a hydantoin hexacrylate and...

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Bibliographische Detailangaben
Hauptverfasser:	MARIO DOMINGUEZ - BURGUETTE, GEORGE D. FOSS
Format:	Patent
Sprache:	por
Schlagworte:	CHEMISTRY FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PHYSICS TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	Magnetic recording medium protected by an ultra-thin, composite low surface energy covering provided by an inner layer of insoluble polymer and an outer layer of insoluble polymer which are made by in situ polymerization. The inner layer is made from two monomers such as a hydantoin hexacrylate and alpha-methyl styrene. The outer layer is made from polymerizable perfluoropolyether monomer having ethylenicaly unsaturated polymerizable groups. The composite low surface energy covering is especially useful for providing lubricity and corrosion resistance to a metallic thin-film magnetic recording coating.