Pulp containing hydrophilic debonder and process for its application

Claim 2

A wood pulp consisting essentially of a hydrophilic debonder having the general formula: ##STR5## wherein: R 1 =methyl, ethyl, propyl, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon items, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, SO 4 , PO 4 , CH 3 CO 2 said debonder present at the level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.

Claim 3

A process for treating cellulose pulp fibers to reduce interfiber bonding while preserving the hydrophilicity of the pulp comprising adding to a cellulose pulp fiber slurry prior to or during the formation of the slurry into a web a debonder consisting essentially of quaternary ammonium compound having the formula: ##STR6## wherein: R 1 =methyl, ethyl, propylene, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon atoms, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, SO 4 , PO 4 , CH 3 CO 2 and forming and drying said web, said quaternary ammonium compound added at a level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.

Claim 4

A process for treating cellulose pulp fibers to reduce interfiber bonding while preserving the hydrophilicity of the pulp comprising adding to a cellulose pulp fiber slurry prior to or during the formation of the slurry into a web a debonder consisting essentially of quaternary ammonium compound having the formula: ##STR6## wherein: R 1 =methyl, ethyl, propylene, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon atoms, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, SO 4 , PO 4 , CH 3 CO 2 and forming and drying said web, said quaternary ammonium compound added at a level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.

Claim 5

The process according to claim 2 wherein the quaternary ammonium compound applied to the fibers is from about 0.05% to 5.0% based on the dry weight of the cellulose.

Claim 6

The process according to claim 2 in which the quaternary ammonium compound is added by spraying a solution thereof on the web and drying the web.

Claim 7

The process according to claim 2 wherein the quaternary ammonium compound is added to the slurry of cellulosic pulp fibers and the pulp is subsequently dried.

Claim 8

A process according to claim 2 in which the web is fiberized into cellulose fluff.

Claim 9

A process according to claim 2 in which the quaternary ammonium compound is added during formation of the cellulose pulp fiber slurry into a web.

Claim 10

An absorbent fluff containing the hydrophilic debonder of claim 1.

Claim 11

A diaper containing an absorbent fluff with a hydrophilic debonder said debonder consisting essentially of a compound having the general formula: ##STR7## wherein: R 1 =methyl, ethyl, propyl, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon atoms, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, SO 4 , PO 4 , CH 3 CO 2 said debonder being present at the level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.

Claim 12

A diaper containing an absorbent fluff with a hydrophilic debonder said debonder consisting essentially of a compound having the general formula: ##STR7## wherein: R 1 =methyl, ethyl, propyl, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon atoms, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, SO 4 , PO 4 , CH 3 CO 2 said debonder being present at the level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.

Claim 13

An absorbent cellulosic based sheet stock with a hydrophilic debonder said debonder consisting essentially of the general formula: ##STR8## wherein: R 1 =methyl, ethyl, propyl, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon atoms, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, So 4 , PO 4 , CH 3 CO 2 said debonder being present at the level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.

Claim 14

An absorbent cellulosic based sheet stock with a hydrophilic debonder said debonder consisting essentially of the general formula: ##STR8## wherein: R 1 =methyl, ethyl, propyl, hydrogen or hydroxyethyl, R 2 =methyl, ethyl, propyl or (ethylene oxide) n where n=1 to 50, R 3 =aliphatic chain of at least 4 carbon atoms, R 4 =(ethylene oxide) n or (propylene oxide) n with n=1 to 50, X=Cl, I, Br, So 4 , PO 4 , CH 3 CO 2 said debonder being present at the level of 0.1% to 5.0% by weight of the dry cellulosic material in an amount sufficient to increase the water and/or urine absorbency.