Prewettable high softness paper product having temporary wet strength

A biodegradable tissue product comprising a cellulosic web dewatered by substantially uniform compaction applied to the web by contact with a dewatering felt and passage through a nip including a suction pressure roll and being adapted both for use in a dry condition as well as premoistened shortly before use said tissue comprising a water soluble wet strength agent including uncharged chemical moieties selected from the group consisting of dialdehydes, aldehyde containing polyols, polymers and cyclic ureas and mixtures thereof the amount of the wet strength agent added being sufficient to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after immersion as measured by the Finch Cup method and a subsequent CD wet tensile of less than about 1/2 of the initial CD wet tensile as measured 10 minutes after immersion, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising a water soluble temporary wet strength agent selected from the group of water soluble uncharged aldehydes, aldehyde containing polymers, polyols and cyclic ureas and mixtures thereof and water soluble wet strength enhancing agents, the ratio of said water soluble temporary wet strength agent to the water soluble wet strength enhancing agent being controlled to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising a water soluble temporary wet strength agent selected from the group consisting of uncharged aldehydes, aldehyde containing polymers, polyols, and cyclic ureas or mixture thereof, a strength enhancing agent and a softener/debonder, the ratio said water soluble temporary wet strength agent to the strength enhancing agent and the cationic softener/debonder being controlled to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and including as the water soluble temporary wet strength agent glyoxal or aldehyde containing cyclic urea, the amount of glyoxal or cyclic urea being sufficient to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising glyoxal or aldehyde containing cyclic urea and mixtures thereof and cationic starch as water soluble temporary wet strength agents, the ratio of glyoxal or cyclic urea to the starch being controlled to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising glyoxal as water soluble temporary wet strength agent, cationic starch as a strength enhancing agent and a cationic softener/debonder, the ratio of the glyoxal to the starch and the softener/debonder being controlled to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising a water soluble temporary wet strength agent selected from the group consisting of uncharged aldehydes, aldehyde containing polymers, polyols and cyclic ureas and mixtures thereof and cationic nitrogen containing softeners/debonders and wherein the ratio of the water soluble temporary wet strength agent to the softener/debonder is controlled to produce an initial normalized CD wet tensile strength of at least about 75 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4.

A dispersible towel product having a glabrous surface, said towel having temporary wet strength and comprising a water soluble temporary wet strength agent selected from the group consisting of uncharged aldehydes, polymers, polyols and cyclic ureas the amount of said water soluble temporary wet strength agent being sufficient to produce an initial normalized CD wet tensile strength of at least about 300 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 14.

A dispersible towel product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said towel having temporary wet strength and comprising a water soluble temporary wet strength agent selected from the group consisting of uncharged aldehydes, aldehyde containing polymers, polyols, and cyclic ureas, and mixtures thereof, a cationic starch and a cationic softener/debonder, the ratio of said water soluble temporary wet strength agent to the starch and the softener/debonder being sufficient to produce an initial normalized CD wet tensile strength of at least about 300 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength, said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least 14.

A temporary wet strength paper product having a glabrous surface, said temporary wet strength paper product comprising from about 0% to about 100% by weight hardwood fiber, softwood fiber, recycle fiber, refined fiber or a mixture of these from about 2 pounds per ton to about 30 pounds per ton of a water-soluble temporary wet strength agent selected from the group of uncharged aldehydes, uncharged aldehyde containing polymers, polyols and cyclic ureas and mixtures thereof wherein the amount of the temporary wet strength agent is selected to yield an initial normalized CD wet tensile strength of greater than 105 g/3 inches as measured 10 minutes after immersion, an intermediate normalized CD wet tensile strength of less than 1/2 the initial value, said paper product in a moistened condition possessing substantial resistance to pilling and shredding when rubbed against pigskin.

A temporary wet strength paper product having a glabrous surface, said temporary wet strength paper product comprising from approximately 0% to about 100% by weight hardwood fiber, softwood fiber, recycle fiber, refined fiber or a mixture of these, from about 2 pounds per ton to about 30 pounds per ton of a water soluble temporary wet strength agent selected from the group of uncharged aldehydes, uncharged aldehyde containing polymers, polyols and cyclic ureas and about 2 pounds per ton to about 30 pounds per ton of cationic starch, wherein the ratio of the wet strength agent to cationic starch is selected to yield an initial normalized CD wet tensile strength of greater than 105 g/3 inch, an intermediate normalized CD wet tensile strength of less than 1/2 the initial value, said paper product in a moistened condition possessing substantial resistance to pilling and shredding when rubbed against pigskin.

A temporary wet strength paper product having a glabrous surface, said temporary wet strength paper product comprising from approximately 0% to approximately 100% by weight hardwood fiber, softwood fiber, recycle fiber, refined fiber or a mixture of these from about 2 pounds per ton to about 30 pounds per ton of a water soluble temporary wet strength agent selected from the group of (1) uncharged aldehydes, uncharged aldehyde containing polymers, polyols and cyclic ureas, and mixtures thereof and (2) cationic starches and (3) from about 1 pound per ton to about 10 pounds per ton of a cationic nitrogenous softener/debonder chosen from the group consisting of imidazolines, amido amine salts, linear amido amines, tetravalent ammonium salts and mixtures thereof, wherein the ratio of the temporary wet strength agent to the starch and to the nitrogenous cationic softener/debonder is selected to yield an initial normalized CD wet tensile strength of greater than 105 g/3 inch, as measured 10 minutes after immersion, an intermediate normalized CD wet tensile strength of less than 1/2 the initial value, said paper product in a moistened condition possessing substantial resistance to pilling and shredding when rubbed against pigskin.

A soft dispersible tissue product adapted both for use in a dry condition and for use in a premoistened condition, said tissue product having temporary wet strength and comprising a water soluble aldehyde containing temporary wet strength agent including an uncharged water soluble chemical moiety the amount of said water soluble temporary wet strength agent being sufficient to produce a paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising a water soluble aldehyde containing temporary wet strength agent including uncharged water soluble chemical moieties, the amount of said water soluble temporary wet strength agent being sufficient to produce an initial normalized CD wet tensile strength of at least about 100 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4 and a tensile modulus of less than 23g/% of strain.

A dispersible tissue product having a glabrous surface and being adapted both for use in a dry condition and for use in a premoistened condition, said tissue having temporary wet strength and comprising a water soluble aldehyde containing temporary wet strength agent including uncharged water soluble chemical moieties, the amount of said water soluble temporary wet strength agent being sufficient to produce an initial normalized CD wet tensile strength of at least about 100 g/3 inch strip 5 seconds after wetting as measured by the Finch Cup method;

• said tissue exhibiting a subsequent CD wet tensile, as measured 10 minutes after immersion, of less than about 1/2 of the initial CD wet tensile strength said paper product in a moistened condition exhibiting a Wet Abrasion Resistance Number of at least about 4, a surface friction of less than 0.15 GM MMD and a tensile modulus of less than 23/g% strain.