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to the vacuum-dried cellulose was most effective for the preparation of the fine cellulose powder.

A new type of cellulose composite was mechano-chemically prepared by ball-milling mixtures of cellulose and poly(ethylene glycol) (PEG). The composites are probably formed by insertion of PEG molecules among cellulose crystalline molecular-chains, and accordingly the compatibilization of cellulose and PEG through the formation of hydrogen-bonds, exhibiting a different mode of orientation of cellulose from that of similar blends from solution systems.