Abrasion resistant, non-discoloring polyurethane foams and method of making

Abrasion resistant, non-discoloring polyurethane foams and method of making

Polyurethane foams having high resistance to abrasion, discoloration, and shrinkage and having high densities are produced by reacting a polyether diol with a cycloaliphatic diisocyanate, or with a prepolymer of a polyether diol and a cycloaliphatic diisocyanate, and one or more curing agents in the...

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Bibliographische Detailangaben
Hauptverfasser: CAPOCCI, GERALD A
Format: Patent
Sprache:eng
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:Polyurethane foams having high resistance to abrasion, discoloration, and shrinkage and having high densities are produced by reacting a polyether diol with a cycloaliphatic diisocyanate, or with a prepolymer of a polyether diol and a cycloaliphatic diisocyanate, and one or more curing agents in the presence of small proportions of water to serve as a blowing agent, a surfactant, and a catalyst.