AQUEOUS POLYURETHANE DISPERSIONS OBTAINED BY THE USE OF CAESIUM SALTS

Aqueous dispersions comprising a polyurethane composed of a) diisocyanates, b) diols of which b1) from 10 to 100 mol %, based on the total amount of diols (b), have a molecular weight of from 500 to 5000, and b2) from 0 to 90 mol %, based on the total amount of diols (b), have a molecular weight of...

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Bibliographische Detailangaben
Hauptverfasser:	HERMANN SEYFFER, REINHARD TREIBER, THOMAS RENZ, KLAUS, DIETER HORNER, BARBEL MEYER, LOTHAR WOLF, PAUL KNOCHEL, BERND BRUCHMANN, KARL HABERLE
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES APPARATUS THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS FOR TANNING CORRECTING FLUIDS DYES FILLING PASTES HIDES INKS LEATHER 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 PELTS POLISHES SKINS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Aqueous dispersions comprising a polyurethane composed of a) diisocyanates, b) diols of which b1) from 10 to 100 mol %, based on the total amount of diols (b), have a molecular weight of from 500 to 5000, and b2) from 0 to 90 mol %, based on the total amount of diols (b), have a molecular weight of from 60 to 500 g/mol, c) monomers other than the monomers (a) and (b), containing at least one isocyanate group or at least one isocyanate-reactive group and further carrying at least one hydrophilic group or potentially hydrophilic group by means of which the polyurethane is made dispersible in water, d) if desired, further, polyfunctional compounds other than the monomers (a) to (c), containing reactive groups which are alcoholic hydroxyl groups, primary or secondary amino groups or isocyanate groups, and e) if desired, monofunctional compounds which are other than the monomers (a) to (d) and contain a reactive group which is an alcoholic hydroxyl group, a primary or secondary amino group or an isocyanate group, obtainable by reacting the monomers a), b), c), and, where used, d) and e) in the presence of a cesium salt.