Controlled structure polyurethane prepolymers for polyurethane structural adhesives
A structural polyurethane adhesive composition comprising a polyurethane reaction product and a curative for isocyanate groups, characterized in that the polyurethane reaction product consists essentially of at least 80 wt % perfect prepolymers and less than 2 wt % free isocyanate monomer.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A structural polyurethane adhesive composition comprising a polyurethane reaction product and a curative for isocyanate groups, characterized in that the polyurethane reaction product consists essentially of at least 80 wt % perfect prepolymers and less than 2 wt % free isocyanate monomer. |
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