POLYURETHANE, RIGID ELASTOMER FOR AERONAUTICS

Rigid microcellular polyurethane elastomer is prepd. from (all pts.wt.): 100 polyether polyol premixed with 0.5-1 water, 0.8-1.2 modified-polyorganosiloxane, 0.3-0.8 triethylene-diamine, 0.2-0.4 bis (dimethylamino)-ether, 4-18 trichlorofluoromethane, and 12-17 brominatedorganophosphorus cpd. and rea...

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Hauptverfasser:	TARNAVEANU ALEXANDRU TRAIAN, RO, CONSTANTIN TRAIAN, RO, MARCU NICOLAE, RO
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Rigid microcellular polyurethane elastomer is prepd. from (all pts.wt.): 100 polyether polyol premixed with 0.5-1 water, 0.8-1.2 modified-polyorganosiloxane, 0.3-0.8 triethylene-diamine, 0.2-0.4 bis (dimethylamino)-ether, 4-18 trichlorofluoromethane, and 12-17 brominatedorganophosphorus cpd. and reacted with an aromatic diisocyanate of methylene-diphenyldiisocyanate type corresp. to an isocyanate index of 100-105.