Slow-rebound polyether polyurethane sponge

The invention relates to polyurethane sponge, in particular to slow-rebound polyether polyurethane sponge, which comprises, by weight, 20-85 parts of first polyhydric alcohol, 10-90 parts of second polyhydric alcohol, 8-30 parts of MDI (diphenylmethane diisocyanate), foaming agent, catalyst, surface...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI TONGSONG, LU WEI, QIU LINGDI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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