Polyurethane formulation for coating substrates
This invention relates to aqueous polyurethane formulations comprising (a) at least one dispersed polyurethane not having groups that can react with NCO groups to form additional urethane or urea functionalities, and (b) at least one NCO prepolymer based on a polyester polyol and/or a polyether poly...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | This invention relates to aqueous polyurethane formulations comprising
(a) at least one dispersed polyurethane not having groups that can react with NCO groups to form additional urethane or urea functionalities, and
(b) at least one NCO prepolymer based on a polyester polyol and/or a polyether polyol, that are particularly suitable for producing thick coatings on substrates such as split leather or textiles. |
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