发明授权
US08540846B2 Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt 有权
带状起皱,可变的局部基重多层纤维素用纤维素微纤维制成,带有多孔聚合物带

Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt
摘要:
A multi-ply wiper/towel product includes at least one wet laid web including at least 10% fibrillated cellulosic microfiber, and at least about 40% wood pulp derived papermaking fibers. The at least one wet laid web has formed therein (i) a plurality of fiber-enriched hollow domed regions on the upper side of the at least one wet laid web having a relatively high local basis weight, and (ii) connecting regions of a relatively lower local basis weight forming a network interconnecting the relatively high local basis weight domed regions of the one wet laid web. Transition areas are provided in the at least one wet laid web with upwardly and inwardly inflected consolidated fibrous regions transitioning from the connecting regions into the domed regions, and the at least one wet laid web exhibits a differential pore volume for pores under 5 microns in a diameter of at least about 75 mm3/g/micron.
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