FIELD: cellulose and cellulose derivatives.
SUBSTANCE: invention relates to powdered cellulose characterized by average degree of polymerization 150-450, average particle diameter 30-250 μm, apparent specific volume exceeding 7 cm3/g, and retention capacity regarding polyethylene glycol with molecular mass 400 at a level of 190% or higher. Group of inventions also comprises method of preparing powdered cellulose and composition for a molded product.
EFFECT: enlarged assortment of cellulose materials.
3 cl, 4 tbl, 28 ex
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Authors
Dates
2007-04-20—Published
2004-05-28—Filed