abstract |
a) from 10 to 50% by weight of hydrophobized and at least partially aggregated metal oxide particles, b) from 20 to 75% by weight of at least one thermoplastic polyurethane, c) from 0.5 to 50% by weight of at least one prepolymer comprising isocyanate groups And wherein the sum of the components a) to c) is at least 80% by weight based on the processing aid. |