A differential density soft sanitary tissue paper web having from about 2% to about 56.5% by weight of the differential density soft sanitary tissue paper web of a softwood pulp fiber mixture, and from about 43.5% to about 99.9% by weight of the dry fiber basis of the differential density soft sanitary tissue paper web of a hardwood pulp fiber mixture is provided. The softwood pulp fiber mixture has: 1) from about 0% to about 56.4% by weight of the dry fiber basis of softwood pulp fiber; 2) from about 0.05% to about 3.0% by weight of the dry fiber basis of strengthening additive. The hardwood pulp fiber mixture comprises: 1) from about 43.4% to about 99.4% by weight of the dry fiber basis of hardwood pulp fibers; and, 2) from about 0.05% to about 20.0% by weight of the dry fiber basis of cellulose nano-filaments.

A differential density soft sanitary tissue paper web having from about 2% to about 56.5% by weight of the differential density soft sanitary tissue paper web of a softwood pulp fiber mixture, and from about 43.5% to about 99.9% by weight of the dry fiber basis of the differential density soft sanitary tissue paper web of a hardwood pulp fiber mixture is provided. The softwood pulp fiber mixture has: 1) from about 0% to about 56.4% by weight of the dry fiber basis of softwood pulp fiber; 2) from about 0.05% to about 3.0% by weight of the dry fiber basis of strengthening additive. The hardwood pulp fiber mixture comprises: 1) from about 43.4% to about 99.4% by weight of the dry fiber basis of hardwood pulp fibers; and, 2) from about 0.05% to about 20.0% by weight of the dry fiber basis of cellulose nano-filaments.

Fibrous structures that exhibit a novel combination of properties and to methods for making such fibrous structures are provided.

Fibrous structures that exhibit a novel combination of properties and to methods for making such fibrous structures are provided.

The present invention refers to the use and creation of materials based on natural cellulose fibbers, synthetic fibbers, or mixed fibbers as physical support and storing medium or storage inducer of electrical and ionic charges in self-sustaining discrete or complementary field-effect transistors with non-volatile memory by using organic or inorganic active semiconductors for the manufacture of the channel regions that are deposited on the fibbers of the paper material as well as metals or passive semiconductors for manufacturing drain and source allowing the interconnection of fibbers, in addition to the gate electrode contact existing on the other side-face of the paper, p or n type respectively, in monolithic or hybrid forms.

The present invention refers to the use and creation of materials based on natural cellulose fibbers, synthetic fibbers, or mixed fibbers as physical support and storing medium or storage inducer of electrical and ionic charges in self-sustaining discrete or complementary field-effect transistors with non-volatile memory by using organic or inorganic active semiconductors for the manufacture of the channel regions that are deposited on the fibbers of the paper material as well as metals or passive semiconductors for manufacturing drain and source allowing the interconnection of fibbers, in addition to the gate electrode contact existing on the other side-face of the paper, p or n type respectively, in monolithic or hybrid forms.

A differential density absorbent towel paper web comprising at least one ply. The differential density absorbent towel paper web has from about 45% to about 90% of a softwood pulp fiber mixture and from about 10% to about 55% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture has from about 20% to about 89.9% of softwood pulp fibers; from about 0.05% to about 20% cellulose nanofilaments; and, from about 0.05% to about 5.0% of strengthening additive.

A differential density absorbent towel paper web comprising at least one ply. The differential density absorbent towel paper web has from about 45% to about 90% of a softwood pulp fiber mixture and from about 10% to about 55% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture has from about 20% to about 89.9% of softwood pulp fibers; from about 0.05% to about 20% cellulose nanofilaments; and, from about 0.05% to about 5.0% of strengthening additive.

A differential density soft sanitary tissue paper web comprising at least one ply. The differential density soft sanitary tissue paper web comprises from about 2% to about 56.5% of a softwood pulp fiber mixture and from about 43.5% to about 99.9% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture comprises from about 0% to about 56.4% of softwood pulp fiber; from about 0.05% to about 20.0% of cellulose nanofilaments; and, from about 0.05% to about 3.0% of strengthening additive.

A differential density soft sanitary tissue paper web comprising at least one ply. The differential density soft sanitary tissue paper web comprises from about 2% to about 56.5% of a softwood pulp fiber mixture and from about 43.5% to about 99.9% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture comprises from about 0% to about 56.4% of softwood pulp fiber; from about 0.05% to about 20.0% of cellulose nanofilaments; and, from about 0.05% to about 3.0% of strengthening additive.