| abstract |
Crosslinked polymer particles having a) a proportion of particles having a particle size of 150 to 300 μm of at least 20% by weight, b) a free swell rate of the entirety of the polymer particles FSR overall of at least 0.25 g/g·s, c) a difference ΔFSR of at least 0.15, d) a centrifuge retention capacity CRC of at least 25.0 g/g, and e) a permeability of the swollen gel bed SFC of at least 90×10 −7 cm 3 ·s/g are disclosed. |