Thixotropic polyurethane systems
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorsJean-Francois Sartelet, Francois R. Sanch, Zissis Aggias
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Abstract
Thixotropic polyurethane systems based on a polyol component and an isocyanate component, the polyol component containing a mixture of polyamidoamine and low molecular weight, polyfunctional amines, more particularly aromatic amines, which are suitable in particular as adhesive systems for special applications.
Claims23
A polyurethane system comprising a polyol component and a polyisocyanate component resin wherein said polyol component is comprised of a mixture of at least one polyamidoamine and at least one low molecular weight polyfunctional amine.
A process for producing a polyurethane comprising the steps of:
- (1) adding a polyfunctional amine and a polyamidoamine to a polyol to form a polyol component;
- (2) mixing said polyol component and an isocyanate component.
Dependencies are inferred from the claim text.