PREPARATION OF PHENOLIC RESINS

PURPOSE:To prepare phenolic resins useful in manufacturing laminated boards with improved punching property, thermal resistance and dimensional stability, by the use of a phenol having a spiro ring as a modifier.

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Bibliographische Detailangaben
1. Verfasser:	OKUDA TERUKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To prepare phenolic resins useful in manufacturing laminated boards with improved punching property, thermal resistance and dimensional stability, by the use of a phenol having a spiro ring as a modifier.