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AGGLOMERATED SUPERABSORBENT POLYMER PARTICLES HAVING A SPECIFIC SIZE RATIO
专利权人:
发明人:
申请号:
EP17167075.5
公开号:
EP3391961A1
申请日:
2017.04.19
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
Agglomerated superabsorbent polymer particles is provided and obtained by a method comprising the steps of:a) providing precursor superabsorbent polymer particles having a first mass average particle size 1mAvPS, a first particle diameter "1D10" of not less than 30 µm and a first particle diameter "1D90",b) mixing the precursor superabsorbent polymer particles with a solution comprising polymerizable monomers and/or oligomers, or crosslinkable polymers, andc) polymerizing the mixed solution if the solution comprises polymerizable monomers and/or oligomers or crosslinking the mixed solution if the solution comprises crosslinkable polymers. The agglomerated superabsorbent polymer particles have a second particle diameter "2D10" and a second particle diameter "2D90". The size ratio between the second particle diameter "2D90" and the first particle diameter "1D10" is determined by the following equation: 7
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