Process for graphene-mediated metallization of fibers, yarns, and fabrics

Patent metadata

Field	Value
Publication number	US-2019292721-A1
Application number	US-201815926490-A
Country	US
Kind code	A1
Filing date	Mar 20, 2018
Priority date	Mar 20, 2018
Publication date	Sep 26, 2019
Grant date	—

Abstract

Provided is process for producing a surface-metalized fiber, yarn, or fabric, the process comprising: (a) Feeding a continuous fiber, yarn, or fabric from a feeder roller into a graphene deposition chamber containing therein a graphene dispersion comprising multiple graphene sheets and an optional conducive filler dispersed in a first liquid medium and an optional adhesive resin dissolved in the first liquid medium; (b) Operating the graphene deposition chamber to deposit the graphene sheets and optional conductive filler to a surface of the fiber, yarn, or fabric for forming a graphene-coated fiber, yarn, or fabric; (c) Moving the graphene-coated fiber, yarn, or fabric into a metallization chamber which accommodates a plating solution therein for plating a layer of a desired metal onto the graphene-coated fiber, yarn, or fabric to obtain a surface-metalized fiber, yarn, or fabric; and (d) Operating a winding roller to collect the surface-metalized fiber, yarn, or fabric.

First claim

We claim:

1 . A process for producing a surface-metalized fiber, yarn, or fabric, said process comprising:
a) feeding a continuous fiber, yarn, or fabric from a feeder roller or spool into a graphene deposition chamber, wherein said graphene deposition chamber contains therein a graphene dispersion comprising multiple graphene sheets and an optional conducive filler dispersed in a first liquid medium and an optional adhesive resin dissolved in said first liquid medium; b) operating said graphene deposition chamber to deposit said graphene sheets and optional conductive filler to a surface of the fiber, yarn, or fabric for forming a graphene-coated fiber, yarn, or fabric; c) moving said graphene-coated fiber, yarn, or fabric into a metallization chamber which accommodates a plating solution therein for plating a layer of a desired metal onto said graphene-coated fiber, yarn, or fabric to obtain a surface-metalized fiber, yarn, or fabric; and d) operating a winding roller to collect said surface-metalized fiber, yarn, or fabric; wherein the multiple graphene sheets contain single-layer or few-layer graphene sheets selected from a pristine graphene material having essentially zero % of non-carbon elements, or a non-pristine graphene material having 0.001% to 25% by weight of non-carbon elements wherein said non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof.

2 . The process of claim 1 , wherein each of the two primary surfaces of said fabric is coated with or bonded to a graphene layer having a thickness from 0.34 nm to 50 μm and comprising multiple graphene sheets and an optional conducive filler and wherein a metal layer comprising a plated metal is deposited on the graphene layer of each of the two primary surfaces.

3 . The process of claim 1 , further comprising operating a drying, heating, or curing means to partially or completely remove said first liquid medium from said graphene-coated fiber, yarn, or fabric and/or to polymerize or cure said adhesive resin for producing said graphene-coated fiber, yarn, or fabric containing said multiple graphene sheets that are bonded to said fiber, yarn, or fabric surface.

4 . The process of claim 1 , wherein said plating solution contains a chemical plating solution, an electrochemical plating solution, or an electrophoretic solution.

5 . The process of claim 1 , wherein said conductive filler is selected from metal nanowires, carbon fibers, carbon nanofibers, carbon nanotubes, carbon-coated fibers, conductive polymer fibers, nanofibers or nanowires of SnO 2 , ZnO 2 , In 2 O 3 , or indium-tin oxide (ITO), a conductive polymer not in a fiber form, or a combination thereof.

6 . The process of claim 5 , wherein said metal nanowires are selected from nanowires of silver (Ag), gold (Au), copper (Cu), platinum (Pt), zinc (Zn), cadmium (Cd), cobalt (Co), molybdenum (Mo), aluminum (Al), or a combination thereof.

7 . The process of claim 5 , wherein said conductive polymer is selected from the group consisting of polydiacetylene, polyacetylene (PAc), polypyrrole (PPy), polyaniline (PAni), polythiophene (PTh), polyisothionaphthene (PITN), polyheteroarylenvinylene (PArV), in which the heteroarylene group is selected from thiophene, furan or pyrrole, poly-p-phenylene (PpP), polyphthalocyanine (PPhc) and the like, and their derivatives, and combinations thereof.

8 . The process of claim 1 , wherein said graphene sheets contain a functional group attached thereto to make the graphene sheets in a liquid medium exhibit a negative Zeta potential from −55 mV to −0.1 mV.

9 . The process of claim 1 , wherein said chemically functionalized graphene comprises graphene sheets having a chemical functional group selected from alkyl or aryl silane, alkyl or aralkyl group, hydroxyl group, carboxyl group, carboxylic group, amine group, sulfonate group (—SO 3 H), aldehydic group, quinoidal, fluorocarbon, or a combination thereof.

10 . The process of claim 1 , wherein said chemically functionalized graphene comprises graphene sheets having a chemical functional group selected from a derivative of an azide compound selected from the group consisting of 2-azidoethanol, 3-azidopropan-1-amine, 4-(2-azidoethoxy)-4-oxobutanoic acid, 2-azidoethyl-2-bromo-2-methylpropanoate, chlorocarbonate, azidocarbonate, dichlorocarbene, carbene, aryne, nitrene, (R−)-oxycarbonyl nitrenes, where R=any one of the following groups,

and combinations thereof.

11 . The process of claim 1 , wherein said chemically functionalized graphene comprises graphene sheets having a chemical functional group selected from an oxygenated group selected from the group consisting of hydroxyl, peroxide, ether, keto, and aldehyde.

12 . The process of claim 1 , wherein said chemically functionalized graphene comprises graphene sheets having a chemical functional group selected from the group consisting of —SO 3 H, —COOH, —NH 2 , —OH, —R′CHOH, —CHO, —CN, —COCl, halide, —COSH, —SH, —COOR′, —SR′, —SiR′ 3 , —Si(—OR′—) y R′ 3-y , —Si(—O—SiR′ 2 —)OR′, —R″, Li, AIR′ 2 , Hg—X, TlZ 2 and Mg—X; wherein y is an integer equal to or less than 3, R′ is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R″ is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, and combinations thereof.

13 . The process of claim 1 , wherein said chemically functionalized graphene comprises graphene sheets having a chemical functional group selected from the group consisting of amidoamines, polyamides, aliphatic amines, modified aliphatic amines, cycloaliphatic amines, aromatic amines, anhydrides, ketimines, diethylenetriamine (DETA), triethylene-tetramine (TETA), tetraethylene-pentamine (TEPA), polyethylene polyamine, polyamine epoxy adduct, phenolic hardener, non-brominated curing agent, non-amine curatives, and combinations thereof.

14 . The process of claim 1 , wherein said chemically functionalized graphene comprises graphene sheets having a chemical functional group selected from OY, NHY, O═C—OY, P—C—NR′Y, O═C—SY, O═C—Y, —CR′1-OY, N′Y or C′Y, and Y is a functional group of a protein, a peptide, an amino acid, an enzyme, an antibody, a nucleotide, an oligonucleotide, an antigen, or an enzyme substrate, enzyme inhibitor or the transition state analog of an enzyme substrate or is selected from R′—OH, R′—NR′ 2 , R′SH, R′CHO, R′CN, R′X, R′N(R′) 3 X″, R′SiR′ 3 , R′Si(—OR′—) y R′ 3-y , R′Si(—O—SiR′ 2 —)OR′, R′—R″, R′—N—CO, (C 2 H 4 O—) w H, (—C 3 H 6 O—) w H, (—C 2 H 4 O) v —R′, (C 3 H 6 O) w —R′, R′, and w is an integer greater than one and less than 200.

15 . The process of claim 1 , wherein said metal layer has a thickness from 0.5 nm to 1.0 mm.

16 . The process of claim 1 , wherein said first layer contains an adhesive resin that chemically bonds said graphene sheets and said conductive filler to said polymer component surface.

17 . The process of claim 16 , wherein said adhesive resin includes an ester resin, a neopentyl glycol (NPG), ethylene glycol (EG), isophthalic acid, a terephthalic acid, a urethane resin, a urethane ester resin, an acrylic resin, an acrylic urethane resin, or a combination thereof.

18 . The process of claim 16 , wherein said adhesive resin contai

Assignees

• Nanotek Instruments Inc

Inventors

• Lin Yi-Jun
• Lee Shaio-Yen
• Jhong Yao-De
• Zhamu Aruna
• Jang Bor Z

Classifications

• D06M11/83 Primary

  with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles · CPC title

• D06M11/48

  Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates · CPC title

• D06M11/53

  with hydrogen sulfide or its salts; with polysulfides · CPC title

• D06M2101/06

  cellulosic · CPC title

• D06M11/55

  with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts · CPC title