PROCESS FOR PREPARING FOAM MATERIALS RESISTANT TO PRESSURE AND HEAT FROM A MIXTURE OF A BITUMINOUS MASS WITH RESINS

1277136 Foamed bituminous/novolak compositions RUTGERSWERKE AG 31 Dec 1969 63613/69 Headings C3C C3N C3P and C3R A foamed material is made by adding at 150- 210‹ C. to a fluid mixture of a bituminous material and a novolak containing no free acid, a cross-linking agent for the novolak and a blowing...

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Hauptverfasser:	WALTER METZENDORF, HERBERT BENEKE, HEINZ-GERHARD FRANCK, ROLF MARRETT, JOZEF H. G. NIJSSEN, JAAFAR OMRAN, ERICH SCHWEYM
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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