Cut resistant paper and paper articles and method for making same
First Claim
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1. A method for making a paper substrate, comprisingproviding a paper furnish comprising cellulosic fibers and microspheres;
- forming a fibrous web from the furnish;
drying the web;
calendaring the web; and
cutting the web;
to produce the paper substrate, said substrate comprisingthe cellulosic fibers and from 0.5 to 5.0 wt % of the microspheres based upon the total weight of the substrate on a dry basis, wherein said substrate comprises cut edges and has a density of from 7.0 to 12.0 lb/3000/mil and wherein the cut edges exhibit improved resistance to inflicting cuts upon human skin.
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Abstract
The specification discloses a method for making a paper material having a reduced tendency to cut human skin. The method includes providing a papermaking furnish containing cellulosic fibers and from about 0.5 to about 5.0 wt % by weight dry basis expandable microspheres, forming a paperboard web from the papermaking furnish, drying the web, and calendaring the web to a caliper of from about 11.0 to about 18.0 mils and a density ranging from about 7.0 to about 12.0 lb/3000 ft2/mil. Papers formed according to the method and articles formed therefrom are also disclosed.
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Citations
19 Claims
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1. A method for making a paper substrate, comprising
providing a paper furnish comprising cellulosic fibers and microspheres; -
forming a fibrous web from the furnish; drying the web; calendaring the web; and cutting the web; to produce the paper substrate, said substrate comprising the cellulosic fibers and from 0.5 to 5.0 wt % of the microspheres based upon the total weight of the substrate on a dry basis, wherein said substrate comprises cut edges and has a density of from 7.0 to 12.0 lb/3000/mil and wherein the cut edges exhibit improved resistance to inflicting cuts upon human skin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for making a paper substrate, comprising
providing a paper furnish comprising cellulosic fibers and microspheres; -
forming a fibrous web from the furnish; drying the web; calendaring the web; and cutting the web; to produce the paper substrate, said substrate comprising the cellulosic fibers and from 0.5 to 5.0 wt % of the microspheres based upon the total weight of the substrate on a dry basis, wherein said substrate comprises cut edges and has a caliper of from 11.0 to 18.0 and wherein the cut edges exhibit improved resistance to inflicting cuts upon human skin. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification