Porous cellulose aggregate and formed product composition comprising the same
AssigneeAsahi Kasei Chemicals Corporation
InventorsNaoaki Yamasaki, Kazuhiro Obae, Ichiro Ibuki
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Abstract
A porous cellulose aggregate which has a secondary aggregation structure formed by the aggregation of primary cellulose particles, has a pore volume within a particle of 0.265 cm3/g to 2.625 cm3/g, contains I type crystals, has an average particle diameter of more than 30 μm and 250 μm or less, has a specific surface area of 1.3 to 20 cm2/g, has an angle of repose of 25° or more and less than 44°, and has the property that it collapses in water.
Claims11
A porous cellulose aggregate having a secondary aggregate structure formed by aggregation of primary cellulose particles, the aggregate having a pore volume within a particle of 0.265 cm3/g to 2.625 cm3/g, containing type I crystals, and having an average particle size of more than 30 μm and 250 μm or less, a specific surface area of 1.3-20 m2/g, a repose angle of 25° or more and less than 44° and properties to disintegrate in water.
Dependencies are inferred from the claim text.