Water-absorbing polymer particles
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
May 7, 2015
filing date -
May 8, 2014
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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 FSRoverall 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 cm3·s/g are disclosed.
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