MIXTURE COMPOSITION OF INITIATING AGENTS FOR POLYMERIZATION AND SPONGING AGENTS

Mixed initiator and blowing agent compsn. is based on azo-bis-butyro-nitrile alicyclic azo-bis derivs. as azo-bis-cyclo-hexane-carbonitrile, azo-bis-cyclo-heptane-carbonitrile and a blowing agent of aryl-sulphonyl-hydrazide-type as benzene-sulphonyl-hydrazide, toluene-sulphonyl-hydrazide, oxy-di-ben...

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Bibliographische Detailangaben
Hauptverfasser:	DRAGUTAN VALERIAN, RO, DRAGUTAN ILEANA, RO, CONDEIU CRISTIAN, RO, BECUS CARMEN, RO, RUSU ALEXANDRU, RO, POPESCU PETRE, RO
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Mixed initiator and blowing agent compsn. is based on azo-bis-butyro-nitrile alicyclic azo-bis derivs. as azo-bis-cyclo-hexane-carbonitrile, azo-bis-cyclo-heptane-carbonitrile and a blowing agent of aryl-sulphonyl-hydrazide-type as benzene-sulphonyl-hydrazide, toluene-sulphonyl-hydrazide, oxy-di-benzene-sulphonyl hydrazide and diesters of aliphatic and aromatic dicarboxylic acids in the following molar propns.: azo-bis-iso-butyro-nitrile: dicyclic azo-bis derivs: aryl-sulphonyl-hydrazide: dicarboxylic acid: diester = 1:0-0.5:0.05:0.1-1.5.