Carboxymethylated microfibrillated cellulose fibers and composition thereof
AssigneeNippon Paper Industries Co., Ltd.
InventorsMasato Takayama, Yoshihiro Aoki, Takanori Otsuhata, Takeo Izumiya, Hiroyuki Okumura, Tomonori Kawamata, Ryo Sotooka
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Abstract
Provided is a carboxymethylated microfibrillated cellulose fiber having a Canada standard freeness of less than 200 mL and an average fiber diameter of not less than 500 nm. Said fiber provides a composition having excellent water retention ability.
Claims6
A carboxymethylated microfibrillated cellulose fiber having a Canada standard freeness of less than 200 mL an average fiber diameter of not less than 500 nm, and an electrical conductivity between 10 and 100 mS/m, as measured at pH 8 in the form of a 1% by weight solids concentration water dispersion.
Dependencies are inferred from the claim text.