Disclosed herein are stretchable conductive ink compositions comprising a polymer, conductive flake, an additive, and optionally conductive beads, wherein the initial resistivity is measured before elongation, and wherein the resistivity at 50% elongation is about 10 times or less of the initial resistivity.

A composition of matter comprises at least 10 wt % epoxy functionalized two-dimensional shaped particles, carbon nanotubes in the range of 0.1 to 5 wt %, epoxy resin and a curing agent. A method of manufacturing a composition of matter includes mixing epoxy resin, carbon nanotubes and a solvent to produce a material, drying the material, and mixing the material with a curing agent to product the composition of matter. A method of printing a composition of matter includes producing the composition of matter by combining epoxy functionalized graphene, carbon nanotubes, epoxy base resin, and a curing agent, extrusion printing the composition of matter into a desired pattern, and curing the pattern.

A composition of matter comprises at least 10 wt % epoxy functionalized two-dimensional shaped particles, carbon nanotubes in the range of 0.1 to 5 wt %, epoxy resin and a curing agent. A method of manufacturing a composition of matter includes mixing epoxy resin, carbon nanotubes and a solvent to produce a material, drying the material, and mixing the material with a curing agent to product the composition of matter. A method of printing a composition of matter includes producing the composition of matter by combining epoxy functionalized graphene, carbon nanotubes, epoxy base resin, and a curing agent, extrusion printing the composition of matter into a desired pattern, and curing the pattern.

A colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain an oil-soluble dye and a polymer P containing a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a hydrophilic group, an ink, an ink set, and an inkjet printing method. L.sup.1 represents a chain hydrocarbon group having 4 to 10 carbon atoms, two *1's each represent a bonding position, L.sup.2 represents a chain hydrocarbon group having 2 to 25 carbon atoms which may contain an oxygen atom or the like, or a polymer chain having a number-average molecular weight of 500 or greater, Y.sup.1 and Y.sup.2 each independently represent —O—, —S—, or, —NRz-, Rz represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and two *2's each represent a bonding position.

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A colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain an oil-soluble dye and a polymer P containing a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a hydrophilic group, an ink, an ink set, and an inkjet printing method. L.sup.1 represents a chain hydrocarbon group having 4 to 10 carbon atoms, two *1's each represent a bonding position, L.sup.2 represents a chain hydrocarbon group having 2 to 25 carbon atoms which may contain an oxygen atom or the like, or a polymer chain having a number-average molecular weight of 500 or greater, Y.sup.1 and Y.sup.2 each independently represent —O—, —S—, or, —NRz-, Rz represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and two *2's each represent a bonding position.

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A method of manufacturing a paste according to various embodiments of the present disclosure for resolving the above-described problems is disclosed. The method of manufacturing a paste may include an operation of adding a metal conductor and a multi-walled carbon nanotube (MWCNT) to chloroform (CHCl.sub.3) to produce a first mixture, an operation of adding polydimethylsiloxane (PDMS) to the first mixture to produce a second mixture, an operation of evaporating the chloroform in the second mixture to acquire a third mixture, and an operation of adding an additional additive to the third mixture to produce a paste.

A method of manufacturing a paste according to various embodiments of the present disclosure for resolving the above-described problems is disclosed. The method of manufacturing a paste may include an operation of adding a metal conductor and a multi-walled carbon nanotube (MWCNT) to chloroform (CHCl.sub.3) to produce a first mixture, an operation of adding polydimethylsiloxane (PDMS) to the first mixture to produce a second mixture, an operation of evaporating the chloroform in the second mixture to acquire a third mixture, and an operation of adding an additional additive to the third mixture to produce a paste.

The present invention is directed to an ink composition for forming an organic semiconductor layer, wherein the ink composition comprises: —at least one p-type dopant comprising electron withdrawing groups; —at least one first auxiliary compound, wherein the first auxiliary compound is an aromatic nitrile compound, wherein the aromatic nitrile compound has about ≥1 to about ≤3 nitrile groups and a melting point of about <100° C., wherein the first auxiliary compound is different from the p-type dopant; and wherein the electron withdrawing groups are fluorine, chlorine, bromine and/or nitrile.

The present invention is directed to an ink composition for forming an organic semiconductor layer, wherein the ink composition comprises: —at least one p-type dopant comprising electron withdrawing groups; —at least one first auxiliary compound, wherein the first auxiliary compound is an aromatic nitrile compound, wherein the aromatic nitrile compound has about ≥1 to about ≤3 nitrile groups and a melting point of about <100° C., wherein the first auxiliary compound is different from the p-type dopant; and wherein the electron withdrawing groups are fluorine, chlorine, bromine and/or nitrile.

A polyimidc-based solution for inkjet printing includes an α,ω-Bismaleimide(BMI) terminated oligomer, wherein said α,ω-Bismaleimide terminated oligomer is delined by formula (I), wherein R represents an aliphatic, an aromatic or mixed aliphatic and aromatic groups. ##STR00001##