Use of Thermolatent Catalyst to Improve Properties of Single-Layer Polyurethane Coatings
AssigneeCovestro Deutschland AG
InventorsSven Siegemund, Martin Melchiors
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Abstract
The present invention relates to a process for producing a single-layer polyurethane coated plastic substrate, including of the following steps: a) providing a plastic substrate; b) applying a polyurethane coating system onto the substrate; c) curing the polyurethane coating system to form the single-layer polyurethane coated plastic substrate; wherein the polyurethane coating system includes A) at least one polyisocyanate; B) at least one NCO-reactive compound; C) at least one thermally latent catalyst; D) optionally auxiliaries and/or additives.
Claims15
A process for producing a single-layer polyurethane coated plastic substrate, comprising the following steps:
- a) providing a plastic substrate;
- b) applying a polyurethane coating system onto the substrate;
- c) curing the polyurethane coating system to form the single-layer polyurethane coated plastic substrate;
- wherein the polyurethane coating system comprises
- A) at least one polyisocyanate;
- B) at least one NCO-reactive compound;
- C) at least one thermally latent catalyst;
- D) optionally auxiliaries and/or additives.
Dependencies are inferred from the claim text.