US2006070712A1PendingUtilityA1

Absorbent articles comprising thermoplastic resin pretreated fibers

50
Individually held — no corporate assignee on recordPriority: Oct 1, 2004Filed: Oct 1, 2004Published: Apr 6, 2006
Est. expiryOct 1, 2024(expired)· nominal 20-yr term from priority
Inventors:Troy RungeLisa FluggeMichael LostoccoThomas Gerard Shannon
D21H 21/18D21C 9/005D21H 21/20D21F 11/00D21H 5/1281
50
PatentIndex Score
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Cited by
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References
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Claims

Abstract

One embodiment of the present invention is a fibrous structure that may comprise: cellulosic pulp fibers and pretreated cellulosic pulp fibers. The pretreated cellulosic pulp fiber is formed by pretreating cellulosic pulp fiber with a thermoplastic resin having a property selected from the group consisting essentially of water soluble, water dispersible, and combinations thereof.

Claims

exact text as granted — not AI-modified
1 . A fibrous tissue web, comprising: 
 cellulosic pulp fibers; and,    pretreated cellulosic pulp fibers, wherein the pretreated cellulosic pulp fiber is formed by pretreating cellulosic pulp fiber with a thermoplastic resin having a property selected from the group consisting essentially of water soluble, water dispersible, and combinations thereof.    
   
   
       2 . The fibrous tissue web of  claim 1 , wherein the thermoplastic resin is present in an amount of about 0.1 wt % to about 20 wt %, based upon the total weight of the fibrous tissue web.  
   
   
       3 . The fibrous tissue web of  claim 1 , wherein the thermoplastic resin is present in an amount of about 0.5 wt % to about 10 wt %, based upon the total weight of the fibrous tissue web.  
   
   
       4 . The fibrous tissue web of  claim 1 , wherein the cellulosic pulp fibers comprise wood pulp fibers.  
   
   
       5 . The fibrous tissue web of  claim 1 , wherein the pretreated cellulosic pulp fibers comprise wood pulp fibers.  
   
   
       6 . The fibrous tissue web of  claim 1 , wherein the thermoplastic resin is selected from the group consisting essentially of polyurethane, polyethylene-co-vinyl acetate, polyvinyl acetate-co-vinyl alcohol, polyester, polyacrylate, polyvinyl ether, polyamide, and a combination comprising at least one of the foregoing thermoplastic resins.  
   
   
       7 . The fibrous tissue web of  claim 1 , wherein the fibrous tissue web is a wet laid fibrous structure.  
   
   
       8 . The fibrous tissue web of  claim 1 , wherein the fibrous tissue web has been hot calendared.  
   
   
       9 . The fibrous tissue web of  claim 1 , wherein the thermoplastic resin substantially fully coats the pretreated cellulosic pulp fibers.  
   
   
       10 . The fibrous tissue web of  claim 1 , wherein the thermoplastic resin at least partially coats the pretreated cellulosic pulp fibers.  
   
   
       11 . The fibrous tissue web of  claim 1 , wherein a weight ratio of the thermoplastic resin to the pretreated cellulosic pulp fibers is about 1:5 to about 1:1,000.  
   
   
       12 . A fibrous tissue web, comprising pretreated cellulosic pulp fibers, wherein the pretreated cellulosic pulp fiber is formed by pretreating cellulosic pulp fiber with a thermoplastic resin having a property selected from the group consisting essentially of water soluble, water dispersible, and combinations thereof.  
   
   
       13 . The fibrous tissue web of  claim 12 , wherein the thermoplastic resin is present in an amount of about 0.1 wt % to about 20 wt %, based upon the total weight of the fibrous tissue web.  
   
   
       14 . The fibrous tissue web of  claim 12 , wherein the thermoplastic resin is present in an amount of about 0.5 wt % to about 10 wt %, based upon the total weight of the fibrous tissue web.  
   
   
       15 . The fibrous tissue web of  claim 12 , wherein the pretreated cellulosic pulp fibers comprise wood pulp fibers.  
   
   
       16 . The fibrous tissue web of  claim 12 , wherein the thermoplastic resin is selected from the group consisting essentially of polyurethane, polyethylene-co-vinyl acetate, polyvinyl acetate-co-vinyl alcohol, polyester, polyacrylate, polyvinyl ether, polyamide, and a combination comprising at least one of the foregoing thermoplastic resins.  
   
   
       17 . The fibrous tissue web of  claim 12 , wherein the fibrous tissue web is a wet laid fibrous structure.  
   
   
       18 . The fibrous tissue web of  claim 12 , wherein the fibrous tissue web has been hot calendared.  
   
   
       19 . The fibrous tissue web of  claim 12 , wherein the thermoplastic resin substantially fully coats the pretreated cellulosic pulp fibers.  
   
   
       20 . The fibrous tissue web of  claim 12 , wherein the thermoplastic resin at least partially coats the pretreated cellulosic pulp fibers.  
   
   
       21 . The fibrous tissue web of  claim 12 , wherein a weight ratio of the thermoplastic resin to the pretreated cellulosic pulp fibers is about 1:5 to about 1:1,000.  
   
   
       22 . Pretreated cellulosic pulp fibers, comprising cellulosic pulp fibers, wherein the cellulosic pulp fibers are pretreated with a thermoplastic resin having a property selected from the group consisting essentially of water soluble, water dispersible, and combinations thereof, thereby forming the pretreated cellulosic pulp fibers.  
   
   
       23 . The pretreated cellulosic pulp fibers of  claim 22 , wherein the thermoplastic resin is present in an amount of about 0.1 wt % to about 20 wt %, based upon the total weight of the pretreated cellulosic pulp fibers.  
   
   
       24 . The pretreated cellulosic pulp fibers of  claim 22 , wherein the thermoplastic resin is present in an amount of about 0.5 wt % to about 10 wt %, based upon the total weight of the pretreated cellulosic pulp fibers.  
   
   
       25 . The pretreated cellulosic pulp fibers of  claim 22 , wherein the pretreated cellulosic pulp fibers comprise wood pulp fibers.  
   
   
       26 . The pretreated cellulosic pulp fibers of  claim 22 , wherein the thermoplastic resin is selected from the group consisting essentially of polyurethane, polyethylene-co-vinyl acetate, polyvinyl acetate-co-vinyl alcohol, polyester, polyacrylate, polyvinyl ether, polyamide, and a combination comprising at least one of the foregoing thermoplastic resins.  
   
   
       27 . The pretreated cellulosic pulp fibers of  claim 22 , wherein the thermoplastic resin substantially fully coats the pretreated cellulosic pulp fibers.  
   
   
       28 . The pretreated cellulosic pulp fibers of  claim 22 , wherein the thermoplastic resin at least partially coats the pretreated cellulosic pulp fibers.  
   
   
       29 . The pretreated cellulosic pulp fibers of  claim 22 , wherein a weight ratio of the thermoplastic resin to the pretreated cellulosic pulp fibers is about 1:5 to about 1:1,000.  
   
   
       30 . A method for making a tissue product, comprising: 
 treating cellulosic pulp fibers with a thermoplastic resin having a property selected from the group consisting essentially of water soluble, water dispersible, and combinations thereof thereby forming pretreated cellulosic pulp fibers;    forming a fibrous tissue web comprised of the pretreated cellulosic pulp fibers;    and, drying the fibrous tissue web to form the tissue product.    
   
   
       31 . The method of  claim 31 , wherein the thermoplastic resin is present in an amount of about 0.1 wt % to about 20 wt %, based upon the total weight of the fibrous tissue web.  
   
   
       32 . The method of  claim 31 , wherein the thermoplastic resin is present in an amount of about 0.5 wt % to about 10 wt %, based upon the total weight of the fibrous tissue web.  
   
   
       33 . The method of  claim 31 , wherein the pretreated cellulosic pulp fibers comprise wood pulp fibers.  
   
   
       34 . The method of  claim 31 , wherein the thermoplastic resin is selected from the group consisting essentially of polyurethane, polyethylene-co-vinyl acetate, polyvinyl acetate-co-vinyl alcohol, polyester, polyacrylate, polyvinyl ether, polyamide, and a combination comprising at least one of the foregoing thermoplastic resins.  
   
   
       35 . The method of  claim 31 , wherein the fibrous tissue web is a wet laid fibrous structure.  
   
   
       36 . The method of  claim 31 , wherein the fibrous tissue web has been hot calendared.  
   
   
       37 . The method of  claim 31 , wherein the thermoplastic resin substantially fully coats the pretreated cellulosic pulp fibers.  
   
   
       38 . The method of  claim 31 , wherein the thermoplastic resin at least partially coats the pretreated cellulosic pulp fibers.  
   
   
       39 . The method of  claim 31 , wherein a weight ratio of the thermoplastic resin to the pretreated cellulosic pulp fibers is about 1:5 to about 1:1,000.  
   
   
       40 . The method of  claim 31 , wherein the tissue product further comprises cellulosic pulp fibers.  
   
   
       41 . The method of  claim 40 , wherein the cellulosic pulp fibers comprise wood pulp fibers.

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