DISPERSIBLE POLYURETHANES

The instant invention is directed to novel polyurethanes which have a substantially linear molecular structure and which are dispersible in water, and the method of producing such polyurethanes. The polyurethanes of the present invention are characterized by an ethylene oxide unit content of from 0....

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Bibliographische Detailangaben
Hauptverfasser:	K. NACHTKAMP, K. NOLL, J. PEDAIN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The instant invention is directed to novel polyurethanes which have a substantially linear molecular structure and which are dispersible in water, and the method of producing such polyurethanes. The polyurethanes of the present invention are characterized by an ethylene oxide unit content of from 0.5 to 10%, by weight, and by an ionic content of from 0.1 to 15 milliequivalents per 100 grams of polyurethane.