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Idemitsu Kosan Co Ltd
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Idemitsu Kosan Co Ltd
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Publication date
Application filed by Idemitsu Kosan Co LtdfiledCriticalIdemitsu Kosan Co Ltd
Priority to JP6064575ApriorityCriticalpatent/JPS598290B2/en
Publication of JPS51136794ApublicationCriticalpatent/JPS51136794A/en
Publication of JPS598290B2publicationCriticalpatent/JPS598290B2/en
PURPOSE: To prepare flame- retardant polycarbonate having high tensile strength and free from melt dripping of resin at burning, by condensing polycarbonate oligomer and tetrahalogeno-hydroquinone.