SETT ATT FRAMSTELLA I VATTEN DISPERGERBARA POLYURETANER MED I HUVUDSAK LINJER MOLEKYLUPPBYGGNAD

SETT ATT FRAMSTELLA I VATTEN DISPERGERBARA POLYURETANER MED I HUVUDSAK LINJER MOLEKYLUPPBYGGNAD

The present invention relates to water-dispersible polyurethane elastomers having a substantially linear molecular structure, characterized by (A) LATERAL POLYALKYLENE OXIDE POLYETHER CHAINS HAVING A CONTENT OF ETHYLENE OXIDE UNITS OF FROM ABOUT 0.5 TO 10% BY WEIGHT, BASED ON THE POLYURETHANE AS A W...

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Bibliographische Detailangaben
Hauptverfasser: K NOLL, J GRAMMEL, W MECKEL
Format: Patent
Sprache:swe
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:The present invention relates to water-dispersible polyurethane elastomers having a substantially linear molecular structure, characterized by (A) LATERAL POLYALKYLENE OXIDE POLYETHER CHAINS HAVING A CONTENT OF ETHYLENE OXIDE UNITS OF FROM ABOUT 0.5 TO 10% BY WEIGHT, BASED ON THE POLYURETHANE AS A WHOLE AND (B) A CONTENT OF =N(+)=, -COO(-) or -SO3(-) groups of from about 0.1 to 15 milliequivalents per 100 g, TO AQUEOUS DISPERSIONS OF THESE WATER-DISPERSIBLE POLYURETHANE ELASTOMERS AND TO PROCESSES FOR PRODUCING THESE WATER-DISPERSIBLE POLYURETHANE ELASTOMERS.