Abstract
The unique cell wall structure of never-dried pulp fibers is defined by the morphology and characterized by the size distribution of the micropores. These micropores can be utilized as storage sites in a variety of important practical applications which could be the basis of new technologies. These include the simple manufacture of controlled release formulations of bioactive chemicals exemplified by aspirin (acetylsalicylic acid) as well as of paper containing higher levels of in situ precipitated filler. Paper made from never-dried pulp fibers, the micropores of which are filled with calcium carbonate, has better mechanical properties than paper of comparable optical properties made in the conventional way.
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