| abstract |
The present invention relates to polyurethane urea, which has a structural unit of the formula (I), which does not end with one or more copolymer units of polyethylene oxide and polypropylene oxide, and which can in particular be used for preparing stent coatings. (I) The invention also relates to a substrate having a base coating made of the polyurethane urea according to the invention. The invention also relates to a coating structure comprising the active ingredient and at least one layer made of the polyurethane urea according to the invention and at least one layer containing no active ingredient and made from the polyurethane urea according to the invention. will be. Finally, the present invention relates to a method of coating a substrate, wherein at least one layer made of polyurethane urea according to the invention is applied to the substrate. |