VERFAHREN ZUR HERSTELLUNG VON P-PHENYLPHENOLHARZ VERBESSERTER LOESLICHKEIT UND DIESES ENTHALTENDES KOHLEFREIES KOPIERPAPIER

A resin prepared by acid-catalytic condensation of p-phenylphenol with formaldehyde in the presence of an alcohol having a boiling point of 70 DEG C. or more is improved in solubility in various solvents, especially in ethyl acetate, polyethylene glycol and oil, and is useful as an acidic substance...

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Bibliographische Detailangaben
1. Verfasser:	FUCHIGAMI,MITSURU
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS LINING MACHINES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A resin prepared by acid-catalytic condensation of p-phenylphenol with formaldehyde in the presence of an alcohol having a boiling point of 70 DEG C. or more is improved in solubility in various solvents, especially in ethyl acetate, polyethylene glycol and oil, and is useful as an acidic substance in No Carbon copying paper, which gives an intense color with higher speed, especially in the form of spot ink in flexographic printing or gravure printing.