WATER CUT-OFF POLYURETHANE FOAM

WATER CUT-OFF POLYURETHANE FOAM

PROBLEM TO BE SOLVED: To provide a water cut-off polyurethane foam wherein water cut-off performance is not reduced even in long time storage and long time usage. SOLUTION: In the water cut-off polyurethane foam formed by expanding a soft polyurethane foam raw material including at least a polyol, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ESU YURYO
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a water cut-off polyurethane foam wherein water cut-off performance is not reduced even in long time storage and long time usage. SOLUTION: In the water cut-off polyurethane foam formed by expanding a soft polyurethane foam raw material including at least a polyol, a poly isocyanate, a foam adjusting agent, a catalyst, an expanding agent and a viscosity reducing agent, wherein the polyol component is a polyester polyol originating from a dimer acid and the foam adjusting agent is a reactive silicone having an active hydrogen group. COPYRIGHT: (C)2010,JPO&INPIT