Paper wiping products treated with a polysiloxane composition

Abstract

A tissue web and/or tissue product comprises a polysiloxane composition. The tissue web and/or tissue product has a post-aged AGAT value of about 60% or more of a pre-aged AGAT value after aging the tissue web and/or tissue product at about 25° C. for about 28 days.

We claim:  
     
         1 . A tissue product having a first outer surface and a second outer surface comprising a polysiloxane composition, the tissue product having a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue and having an AGAT value of about 0.8 g/g/s 1/2  or greater after aging the tissue product at about 25° C. for 28 days or more, and an HST of about 3 seconds or greater after aging at about 25° C. for 28 days or more.  
     
     
         2 . The tissue product of  claim 1 , wherein the tissue product has a AGAT value of about 0.5 g/g/s 1/2  or greater and an HST value of about 4 or greater after aging of the tissue product at about 40° C. for 14 days or more.  
     
     
         3 . The tissue product of  claim 1 , having a wet out time of about 15 seconds or less.  
     
     
         4 . The tissue product of  claim 1 , wherein the polysiloxane composition is distributed uniformly across at least one of the first and second outer surfaces of the tissue product.  
     
     
         5 . The tissue product of  claim 1 , wherein the polysiloxane composition covers from about 50% to about 100% of the surface area of at least one of the first and second outer surfaces of the tissue product.  
     
     
         6 . The tissue product of  claim 1 , wherein the polysiloxane composition covers from about 75% to about 100% of the surface area of at least one of the first and second outer surfaces of the tissue product.  
     
     
         7 . The tissue product of  claim 1 , wherein about 50% or more of the polydialkyl siloxane content is comprised of polydimethylsiloxane.  
     
     
         8 . The tissue product of  claim 1 , wherein about 80% or more of the polydialkyl siloxane content is comprised of polydimethylsiloxane.  
     
     
         9 . The tissue product of  claim 1 , wherein about 5% or more of the polysiloxane composition comprises an aminofunctional polysiloxane.  
     
     
         10 . The tissue product of  claim 1 , wherein the polysiloxane is a blend of an aminofunctional polysiloxane and an epoxy-co-polyether polysiloxane.  
     
     
         11 . The tissue product of  claim 1 , wherein the tissue product comprises a plurality of plies.  
     
     
         12 . The tissue product of  claim 11 , wherein the tissue product is a two-ply product comprising a first outer ply and a second outer ply forming and having a first outer surface and a second outer surface wherein at least one of the first and second outer surfaces of the two-ply tissue product contains the polysiloxane composition.  
     
     
         13 . The tissue product of  claim 12 , wherein both the first and second outer surfaces of the two ply product contain the polysiloxane composition.  
     
     
         14 . The tissue product of  claim 11 , wherein the tissue product comprises a first outer ply, a second outer ply, and at least one interior ply wherein one outer surface of the first outer ply forms the first outer surface of the tissue product and one outer surface of the second outer ply forms the second outer, surface of the tissue product.  
     
     
         15 . The tissue product of  claim 14 , wherein the polysiloxane composition is applied to the first and second outer surfaces of the tissue product and at least one interior ply of the tissue product is essentially free of the polysiloxane composition.  
     
     
         16 . The tissue product of  claim 14 , wherein the polysiloxane composition is contained in the first and second outer plies of the tissue product and at least one interior ply of the tissue product is essentially free of the polysiloxane composition.  
     
     
         17 . The tissue product of  claim 1 , wherein the tissue product has a bulk of about 2 cc/gram or greater and a basis weight of from about 5 g/m 2  to about 200 g/m 2 .  
     
     
         18 . The tissue product of  claim 1 , wherein the tissue product has a bulk of about 5 cc/gram or greater and a basis weight of from about 5 g/m 2  to about 200 g/m 2 .  
     
     
         19 . The tissue product of  claim 1 , wherein the polydialkylsiloxane content is about 0.7% or greater by weight of dry tissue.  
     
     
         20 . The tissue product of  claim 1 , wherein the tissue product has a wet out time of about 20 seconds or less after aging about 9 weeks at 25° C.  
     
     
         21 . A tissue product having a first outer surface and a second outer surface comprising a polysiloxane composition, the tissue product having a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue and having a pre-aged AGAT value of about 0.8 g/g/s 1/2  or more and a post-aged AGAT value of about 60% or more of the pre-aged AGAT value after aging the tissue product at about 25° C. for about 28 days.  
     
     
         22 . The tissue product of  claim 21 , wherein the tissue product has a pre-aged AGAT value prior to aging of at least about 0.8 g/g/s 1/2  and a post-aged AGAT value of about 35% or more of the pre-aged AGAT value after aging the tissue product at about 40° C. for about 14 days.  
     
     
         23 . The tissue product of  claim 21 , wherein the tissue product has a pre-aged HST value of about 3 seconds or greater and a post-aged value of about 3 seconds or greater.  
     
     
         24 . The tissue product of  claim 21 , wherein the polysiloxane composition is distributed uniformly across at least one of the first outer surface and the second outer surface of the tissue product.  
     
     
         25 . The tissue product of  claim 21 , wherein the polysiloxane composition covers from about 60% to about 100% of the surface area of at least one of the first and second outer surfaces of the tissue product.  
     
     
         26 . The tissue product of  claim 21 , wherein the polysiloxane composition covers from about 75% to about 100% of the surface area of at least one of the first and second outer surfaces of the tissue product.  
     
     
         27 . The tissue product of  claim 21 , wherein about 50% or more of the polydialkylsiloxane content is comprised of polydimethylsiloxane.  
     
     
         28 . The tissue product of  claim 21 , wherein about 80% or more of the polydialkylsiloxane content of the tissue product is comprised of polydimethylsiloxane.  
     
     
         29 . The tissue product of  claim 21 , wherein about 5% or more of the polysiloxane composition comprises an aminofunctional polysiloxane.  
     
     
         30 . The tissue product of  claim 21 , wherein the tissue product comprises a plurality of plies.  
     
     
         31 . The tissue product of  claim 30 , wherein the tissue product is a two-ply product comprising a first outer ply and a second outer ply and having a first outer surface and a second outer surface wherein at least one of the first and second outer surfaces of the two-ply tissue product contains the polysiloxane composition.  
     
     
         32 . The tissue product of  claim 31 , wherein both the first and second outer surfaces of the two ply product contain the polysiloxane composition.  
     
     
         33 . The tissue product of  claim 30 , wherein the tissue product comprises a first outer ply, a second outer ply, and at least one interior ply wherein one outer surface of the first outer ply forms the first outer surface of the tissue product and one outer surface of the second outer ply forms the second outer surface of the tissue product.  
     
     
         34 . The tissue product of  claim 33 , wherein the polysiloxane composition is applied to the first and second outer surfaces of the tissue product and at least one interior ply of the tissue product is essentially free of the polysiloxane composition.  
     
     
         35 . The tissue product of  claim 33 , wherein the polysiloxane composition is contained in the first and second outer plies of the tissue product and at least one interior ply of the tissue product is essentially free of the polysiloxane composition.  
     
     
         36 . The tissue product of  claim 21 , wherein the tissue product has a bulk of about 2 cc/gram or greater and a basis weight of from about 5 g/m 2  to about 200 g/m 2 .  
     
     
         37 . The tissue product of  claim 21 , wherein the tissue product has a bulk of about 5 cc/gram or greater and a basis weight of from about 5 g/m 2  to about 200 g/m 2 .  
     
     
         38 . The tissue product of  claim 21 , wherein the tissue product has a post-aged AGAT value of about 70% or greater of the pre-aged AGAT value after the tissue product is aged at about 25° C. for about 28 days.  
     
     
         39 . The tissue product of  claim 21 , wherein the polydialkylsiloxane content is about 0.7% or greater by weight of dry tissue.  
     
     
         40 . The tissue product of  claim 21 , wherein the tissue product has a wet out time of about 20 seconds or less after aging about 9 weeks at about 25° C.  
     
     
         41 . A tissue web having a first outer surface and a second outer surface comprising a polysiloxane composition, the tissue web having a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue and having an AGAT value of about 0.8 g/g/s 12  or greater after aging the tissue web at about 25° C. for 28 days or more, and an HST of about 3 seconds or greater after aging at about 25° C. for 28 days or more.  
     
     
         42 . The tissue web of  claim 41 , wherein the tissue web is converted into a tissue product.  
     
     
         43 . The tissue web of  claim 41 , wherein the tissue product has a first outer surface and a second outer surface comprising the polysiloxane composition, the tissue product having a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue and having an AGAT value of about 0.8 g/g/s 1/2  or greater after aging the tissue product at about 25° C. for 28 days or more, and an HST of about 3 seconds or greater after aging at about 25° C. for 28 days or more.  
     
     
         44 . A tissue web having a first outer surface and a second outer surface comprising a polysiloxane composition, the tissue web having a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue and having a pre-aged AGAT value of about 0.8 g/g/s 1/2  or more and a post-aged AGAT value of about 60% or more of the pre-aged AGAT value after aging the tissue web at about 25° C. for about 28 days.  
     
     
         45 . The tissue web of  claim 44 , wherein the tissue web is converted into a tissue product.  
     
     
         46 . The tissue web of  claim 44 , wherein the tissue product has a first outer surface and a second outer surface comprising a polysiloxane composition, the tissue product having a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue and having a pre-aged AGAT value of about 0.8 g/g/s 1/2  or more and a post-aged AGAT value of about 60% or more of the pre-aged AGAT value after aging the tissue product at about 25° C. for about 28 days.  
     
     
         47 . A tissue product comprising a polysiloxane composition, the tissue product having a post-aged AGAT value of about 60% or more of a pre-aged AGAT value after aging the tissue product at about 25° C. for about 28 days.  
     
     
         48 . The tissue product of  claim 47 , wherein the tissue product has a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue.  
     
     
         49 . The tissue product of  claim 47 , wherein the tissue product has an AGAT value of about 0.8 g/g/S 1/2  or greater after aging the tissue product at about 25° C. for 28 days or more.  
     
     
         50 . The tissue product of  claim 47 , wherein the tissue product has an HST of about 3 seconds or greater after aging at about 25° C. for 28 days or more.  
     
     
         51 . A tissue web comprising a polysiloxane composition, the tissue web having a post-aged AGAT value of about 60% or more of a pre-aged AGAT value after aging the tissue web at about 25° C. for about 28 days.  
     
     
         52 . The tissue web of  claim 51 , wherein the tissue web has a polydialkylsiloxane content of at least about 0.55% by weight of dry tissue.  
     
     
         53 . The tissue web of  claim 51 , wherein the tissue web has an AGAT value of about 0.8 g/g/s 1/2  or greater after aging the tissue product at about 25° C. for 28 days or more.  
     
     
         54 . The tissue web of  claim 51 , wherein the tissue web has an HST of about 3 seconds or greater after aging at about 25° C. for 28 days or more.  
     
     
         55 . The tissue web of  claim 51 , wherein the tissue web is converted into a tissue product.