COMPOSITION FOR RUBBER MAGNET

PURPOSE:To prevent discoloration, corrosion and the like on the surfaces of neighboring copper, copper alloy, silver, silver alloy and the like, which are in contact with or in adjacent in a short distance with a rubber magnet, by adding mercaptobenzo-1,3-diazole, which is expressed by the Formula I...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TSUNE YOSHIMI, NOBUYO KOJI, KAMIKAWA TATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY INDUCTANCES MAGNETS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSFORMERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent discoloration, corrosion and the like on the surfaces of neighboring copper, copper alloy, silver, silver alloy and the like, which are in contact with or in adjacent in a short distance with a rubber magnet, by adding mercaptobenzo-1,3-diazole, which is expressed by the Formula I, and/or its salt to the rubber magnet. CONSTITUTION:A small amount of mercaptobenzo-1,3-diazole, which is expressed by the Formula I, and/or its salt is added to a rubber magnet. Then discoloration, corrosion and the like on the surfaces of copper, copper alloy, silver, silver alloy and the like can be prevented. Decrease in vulcanizing property does not occur. In the Formula, R is hydrocarbon, in which the number of hydrogen or carbon is 1-12; M is a group II-IV element in the periodic table or hydrogen; and (n) is an integer of 1-4. In this way, a suitable composition for the rubber magnet is obtained; and the discoloration, the corrosion and the like on the surfaces of copper, copper alloy, silver and silver alloy, which are in contact with or in adjacent in a short distance with the rubber magnet, do not occur.