| abstract |
The invention relates to a method for producing a polyurethane, comprising at least the following steps: (A) bringing at least one polymer polyol in contact with at least one first polyisocyanate in an amount of 0.1 to 20 mol% of the total amount of polyisocyanate in order to obtain a prepolymer that substantially comprises hydroxy terminal groups and (B) bringing the prepolymer from step (A) in contact with at least one second polyisocyanate and optionally additional additives in order to obtain the polyurethane, a polyurethane that can be obtained by means of said method, and the use of such a polyurethane as coatings, cables, plug-in connections, solar modules, films, molded parts, shoe soles and shoe parts, balls and ball parts, rollers, fibers, trim parts in automobiles, profiled elements, laminates and wiper blades, hoses, cable connectors, bellows, trailing cables, cable sheaths, seals, non-woven fabrics, belts, or damping elements. |