Aqueous two-component dispersion adhesive
AssigneeSika Technology AG
InventorsMartin Demmig, Andre Buchholz, Christina Bosse, Tino Bendkowski
Life of this patent
Estimating the term…
Abstract
An aqueous two-component aqueous dispersion adhesives, including in particular polyether-polyurethane polymers and ethylene vinyl acetate copolymers (EVA) having a glass transition temperature of greater than 0° C. The dispersion adhesives are optimally suited for use as contact adhesives, and for gluing plastic membranes. It has been demonstrated that the adhesives or the adhesive composite items produced therewith are characterized by an exceptionally low plasticizer absorption behavior, and contact adhesion. The good heat resistance and good bonding to various bases are also advantageous.
Claims15
A two-component aqueous dispersion adhesive consisting of two components,
- wherein
- the first component contains
- at least one polyether-polyurethane polymer (PEPU);
- at least one ethylene vinyl acetate copolymer (EVA) with a glass transition temperature of greater than 0° C.;
- and
- water;
- and the second component contains at least one polyisocyanate.
Dependencies are inferred from the claim text.