Polyurethane foams

Stannous hypophosphite hexahydrate is made by firstly precipitating Sn(OH)2 by the addition of NaOH to a solution of SnSO4 in a mixture of water and H2SO4, filtering off the Sn(OH)2 and dissolving in hot hypophosphorous acid. On cooling stannous hypophosphite crystallizes out.ALSO:Polyurethane foams...

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Bibliographische Detailangaben

Hauptverfasser:	CLIFFORD BARBARA HELEN, TWITCHETT HARRY JAMES, CHATT JOSEPH, HARDY MICHAEL GRANGE, WILLIAMS DEREK
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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