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US 2005/0032974 A1Published application
Adhesion promoter for reactive polyurethanes
OwnerMichael Krebs, Uwe Franken +2inventors
InventorsMichael Krebs, Uwe Franken, Katja Brosa, Ingolf Scheffler
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Abstract
Isocyanato-functional silanes prepared by reacting aliphatic or cycloaliphatic polyisocyanates of low volatility with organofunctional silanes containing NCO-reactive groups are useful as adhesion promoters in polyurethane adhesives and sealants.
Claims20
An isocyanato-functional silane obtained from an aliphatic or cycloaliphatic polyisocyanate of low volatility and an organofunctional silane having NCO-reactive groups containing Zerewitinoff-active hydrogen.
Dependencies are inferred from the claim text.