CN106011809B - A method of preparing the composite material of coated with silver on surface by catechol-polyamines - Google Patents
A method of preparing the composite material of coated with silver on surface by catechol-polyamines Download PDFInfo
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- CN106011809B CN106011809B CN201610261403.0A CN201610261403A CN106011809B CN 106011809 B CN106011809 B CN 106011809B CN 201610261403 A CN201610261403 A CN 201610261403A CN 106011809 B CN106011809 B CN 106011809B
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- Prior art keywords
- silver
- catechol
- polyamines
- composite material
- matrix
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- 239000004332 silver Substances 0.000 title claims abstract description 89
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 37
- 229920000768 polyamine Polymers 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000011159 matrix material Substances 0.000 claims abstract description 31
- 238000007747 plating Methods 0.000 claims abstract description 25
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 15
- 239000008103 glucose Substances 0.000 claims abstract description 15
- -1 polyethylene Polymers 0.000 claims description 37
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 19
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 230000008021 deposition Effects 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
- 239000005977 Ethylene Substances 0.000 claims description 8
- 150000001412 amines Chemical class 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000004448 titration Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 150000004040 pyrrolidinones Chemical class 0.000 claims description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 3
- 229960001124 trientine Drugs 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 75
- 239000011521 glass Substances 0.000 description 43
- 239000000243 solution Substances 0.000 description 37
- 239000004005 microsphere Substances 0.000 description 30
- 239000000377 silicon dioxide Substances 0.000 description 30
- 239000004411 aluminium Substances 0.000 description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 26
- 229910052782 aluminium Inorganic materials 0.000 description 26
- 239000011258 core-shell material Substances 0.000 description 20
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 16
- 235000012239 silicon dioxide Nutrition 0.000 description 16
- 238000000151 deposition Methods 0.000 description 12
- 239000011324 bead Substances 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 229960003638 dopamine Drugs 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 238000002441 X-ray diffraction Methods 0.000 description 7
- 239000011325 microbead Substances 0.000 description 7
- 229920001690 polydopamine Polymers 0.000 description 7
- 229920002379 silicone rubber Polymers 0.000 description 7
- 238000011049 filling Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 3
- 230000003321 amplification Effects 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 3
- 150000003943 catecholamines Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 150000003378 silver Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical compound C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 235000015170 shellfish Nutrition 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- RQPKNXVVIBYOBX-KDBLBPRBSA-N (2s)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid;(2s)-2-(dihydroxyamino)-3-phenylpropanoic acid Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1.ON(O)[C@H](C(O)=O)CC1=CC=CC=C1 RQPKNXVVIBYOBX-KDBLBPRBSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 150000003235 pyrrolidines Chemical class 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/42—Coating with noble metals
- C23C18/44—Coating with noble metals using reducing agents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
- C23C18/1827—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment only one step pretreatment
- C23C18/1834—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1875—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment only one step pretreatment
- C23C18/1882—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
- C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
- C23C18/2053—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment only one step pretreatment
- C23C18/2066—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
Abstract
A method of the composite material preparing coated with silver on surface by catechol-polyamines belongs to and prepares conducing composite material field.By the way that catechol-polyamines is deposited on after matrix surface under alkaline condition, it will be placed in silver plating solution with poly- (catechol-polyamines) surface-functionalized matrix, reducing agent glucose solution is added, prepare matrix/silver composite material of good, the conductive energy of covering property, method provided by the present invention is easy to operate, it is short, at low cost to take, and the covering property of prepared composite material and conducts electricity very well.
Description
Technical field
The invention belongs to prepare conducing composite material field, and in particular to a kind of in variously-shaped and performance material table
The method of face reduction silver, more particularly to base is prepared by the way that catechol-polyamines is surface-functionalized under the conditions of existing for reducing agent
The method of body/silver composite material.
Background technology
Metal-powder is electronics industry, the important source material of national defense industry.Since the density of metal is very big, it is with metal fine powder
The material of main conductive medium is difficult to avoid the generation of signs of degradation during storage and use, this will largely shadow
Ring the use of product.Metallic cover other metals either nonmetal basal body be a kind of core be polymer ceramic etc. it is nonmetallic or
Other metals, the core-shell type composite powder that surface is metal, it can assign the special electricity of matrix, magnetic, optical property and antioxygen
Change and ageing-resistant performance, can also improve the wetability of powder and metal.This patent will relate specifically to one kind can be in most of non-gold
Belong to material and metal material surface carries out effectively modified method, mainly using glass microballoon, aluminium powder as example.
Glass microballoon has density small and the feature of uniform particle sizes, density are much smaller than metal-powder.But common glass
Microballon is insulator, cannot function as the packing material of conductive material.Using the electro-conductive glass microballon of low-density as conductive material
The settlement issues of conducting medium can effectively be overcome.Glass microballoon chemical nickel plating on surface, copper, silver and composite coating can be used as electromagnetism
The conductive filler of shielding material and absorbing material.Due to its surface hydrophobicity, untreated glass microballoon surface and other materials
The bonding stability and binding force on surface are poor, need to be further processed, its surface is enable to form even compact
Silver layer.
Aluminium due to light specific gravity, ductility is good, metallic luster is good and cheap the advantages that, be widely used in electricity
The fields such as son, aviation and electric slurry.But aluminium powder surface-active is big, and it is extremely unstable, redox reaction easily occurs with air,
So that the advantages of losing itself.Therefore, in the application, it must be surface-treated so that treated, and aluminium powder had both kept this
The density of body is light, and the good advantage of metallic luster has good conductive property simultaneously.Silver is noble metal, close with the color of aluminium,
And its excellent conductivity while keeping aluminium powder intrinsic advantage, assigns aluminium if coating the silver of one layer of uniform and thin on aluminium powder
The good electric conductivity of powder, while being greatly reduced cost, the fields such as products obtained therefrom can be used for being electromagnetically shielded, electrocondution slurry.
In the past few decades, scientists are explored and have been studied to the various methods that matrix surface metallizes,
Wherein method includes mechanical mixing, Sol-gel methods etc..These methods have powder surface modification different defects, such as
Mechanical mixing mixing is uneven, Sol-gel methods crystal grain in reducing metal oxide is easy to grow up.Therefore it selects in the invention
With the method for chemical plating.
Currently, some researches show that dopamines can help the metallization of material as a kind of active principle.Dopamine can
To show to be sticked in multiple polymers, and adhesive property is excellent, and process is simple and practicable.Such method is derived from shellfish
The protein material of secretion can effectively be bonded in the wet structure of object, have scientist and ground to the principle of this phenomenon
Study carefully.Result of study shows that the dihydroxyphenylalanine (DOPA) in the protein material secreted by shellfish rises wherein
To main function, and it is good to prove that dopamine can be bonded in various organic or inorganic matrix surfaces, adhesive property and matrix without
Close, and can in matrix surface as effective platform into the further grafting of row metal or other monomers.In patent CN
By depositing dopamine on glass microballoon surface in 101812678 B, then in its surface reduction silver, it is micro- that silvered glass has been made
Pearl.However, dopamine is as medical agent, synthesis and extraction are difficult, expensive.Reaction time needed for this method is longer, more
Bar amine realizes that preferably cladding needs for 24 hours on glass microballoon surface, and silver-plated glass beads conductivity obtained is relatively low, only 2.0-
2.5×10-3S/m.These disadvantages significantly limit this method extensive use and large-scale production in the industrial production.
Invention content
It is an object of the invention to solve it is existing prepare present in the composite technology of coated with silver on surface insufficient, and carry
The method that surface is coated with the composite material of silver is prepared by catechol-polyamines surface modification for a kind of.It is provided by the present invention
Method it is easy to operate, take it is short, at low cost, the covering property and electric conductivity of prepared composite material are good.
After the present invention by catechol-polyamines by being deposited on matrix surface under alkaline condition, poly- (adjacent benzene two will be used
Phenol-polyamines) surface-functionalized matrix is placed in silver plating solution, and reducing agent glucose solution is added, prepare covering property it is good,
Matrix/silver composite material of conductive energy, is as follows：
1) by matrix in ethanol solution after ultrasonic cleansing, placing it in catechol a concentration of 5~25mM/L, pH is
In 7.0~10.0 catechol-polyamines solution, with the stir speed (S.S.) stirring of 30~100 turns/min not higher than for 24 hours, table is obtained
Face deposits the matrix for having poly- (catechol-polyamines).It is preferred that catechol a concentration of 10mM/L, pH 8.5, mixing time are
4h；
2) when the silver nitrate solution that mass concentration is 5~40g/L just being disappeared with ammonia water titration to precipitation, preparation obtains
Silver plating solution.Preferred concentration is 10g/L；
3) silver for thering is the matrix of poly- (catechol-polyamines) to be placed in step 2) preparation the surface deposition prepared in step 1)
In plating solution, 0.01g polyethylene of dispersing agent pyrrolidones (PVP) is added per 4g matrixes, stirs 20 minutes；
4) glucose solution that mass concentration is 5~80g/L is added into the silver plating solution of step 3) under stirring conditions,
The volume of used glucose solution is identical as the volume of silver nitrate solution, reacts 1~60 minute at room temperature, obtains surface covering
There is the matrix of silvery white silver layer.It is preferred that concentration of glucose is 20g/L, the reaction time is 60 minutes.
The selection of glucose concentration and the concentration of silver plating solution are not related, but are silver plating solution concentration in concentration of glucose
Twice when reduction effect it is best.
The polyamines is diethylenetriamine, triethylene tetramine, seven amine of tetraethylenepentamine, pentaethylene hexamine or six ethylene.It is excellent
Select tetraethylenepentamine.
The molar ratio of the catechol and polyamines is 1:3~3:1, preferred molar ratio 1:1.
Wherein, the method described in step 1) is all suitable for the matrix of all forms, including but not limited to spherical microballon,
Sheet, fiber, particle, powder etc., while being suitable for all material type, including it is metal, inorganic non-metallic, polymer, compound
Material etc..The preferred silicon dioxide microsphere of matrix.
The principle of the present invention is：Nitrogen-containing group in polyamines can play the role of restoring silver ion, and catechol
Phenolic hydroxyl group can fix the silver particles that reduction generates.Meanwhile there is good packet by chemically treated matrix/silver composite material
Performance and electric conductivity are covered, this has been primarily due to reducing agent additional, promotes the reduction process of silver, while catechol-is more
The presence of amine accelerates and has consolidated growth of the Argent grain in matrix surface.Since catechol-polyamines is in polymer matrix body surface
Face is deposited as physical process, unrelated with the surface topography of inorganic matter matrix and chemical composition in entire method, is applicable to each
The inorganic matter matrix of kind form and composition.
It is prepared compared with Conductive inorganic nonmetallic materials technology with existing, the method for the present invention has the advantages that：
1) present invention is easy to operate, takes short (the preferably basic 5h of total reaction time), at low cost (cost of material is dopamine
1/50).
2) present invention prepared by matrix surface silver layer even compact, have good conductive property (conductivity be 1.0-
1.5×105) and covering property S/m.
3) matrix/silver composite material prepared by the present invention has higher adhesion strength between silver layer and matrix.
4) there is no limit silver-colored attachment does not interfere with the physics of inorganic matter to pattern and composition of the present invention to inorganic matter matrix
Mechanical performance and hot property.
Description of the drawings
X-ray photoelectron spectroscopy (XPS) wide range figure of Fig. 1,1 microballoon of embodiment, wherein (a) pure silicon dioxide microballoon, (b)
Poly- (catechol-tetraethylenepentamine) surface-functionalized silicon dioxide microsphere, that is, silica/poly- (- four ethylene of catechol
Five amine) core-shell microspheres and (c) surface reduction have silicon dioxide microsphere i.e. silica/poly- (catechol-tetrem of silver
Five amine of alkene)/silver core-shell microspheres.
X-ray diffraction power spectrum (XRD) spectrogram of Fig. 2,1 microballoon of embodiment, wherein (a) pure silicon dioxide microballoon, (b) dioxy
SiClx/poly- (catechol-tetraethylenepentamine) core-shell microspheres and (c) silica/poly- (- four ethylene five of catechol
Amine)/silver core-shell microspheres.
Scanning electron microscope (SEM) image of Fig. 3, embodiment 1, wherein (a) pure silicon dioxide microballoon, (b) titanium dioxide
Silicon/poly- (catechol-tetraethylenepentamine) core-shell microspheres and (c) silica/poly- (- four ethylene five of catechol
Amine)/silver core-shell microspheres.
Scanning electron microscope (SEM) image of 1 microballon of Fig. 4, comparative example 9 and embodiment, wherein (a) is comparative example more than 9
The silicon dioxide/silver core shell-type complex microsphere of bar amine surface modification (b) is catechol in embodiment 1-tetraethylenepentamine modification
Silicon dioxide/silver core shell-type complex microsphere afterwards.
The surface-functionalized aluminium of (a) blank aluminium powder of gained, (b) catechol-tetraethylenepentamine in Fig. 5, embodiment 10
Powder, that is, aluminium/poly- (catechol-tetraethylenepentamine) core-shell microspheres and (c) surface reduction have the aluminium powder i.e. aluminium of silver/poly-
The XPS wide range figures of (catechol-tetraethylenepentamine)/silver-colored core-shell microspheres.
The different amplification in the face absolutely of quenching of the silicon rubber of the silver-plated glass beads filling of gained in Fig. 6, embodiment 11
(a) 400 times and (b) 1000 times of SEM photograph.
Specific implementation mode
With reference to embodiment, the present invention will be further described, but the present invention is not limited to following embodiments.
Embodiment 1
1) configuration concentration is catechol-tetraethylenepentamine aqueous solution of 10mM/L, and catechol rubs with tetraethylenepentamine
You are than being 1:1, after being used in combination Tris-HCl buffer solutions to adjust PH to 8.5, wherein with the clean glass microballoon immersion of ethyl alcohol by 4g, with
The stir speed (S.S.) of 60 turns/min stirs 4 hours, has the glass of poly- (catechol-tetraethylenepentamine) micro- deposition after stirring
Pearl filters out, and net, vacuum drying is washed with deionized water；
2) configuration concentration is the silver nitrate solution of 10g/L, is just disappeared with ammonia water titration to precipitation, obtains silver plating solution；
3) glass microballoon after poly- (catechol-tetraethylenepentamine) is surface-functionalized in step 1) will be used in the item of stirring
It is immersed under part in the 100ml silver plating solutions obtained in step 2), 0.01g polyethylene of dispersing agent pyrrolidines is added in this silver plating solution
Ketone (PVP) is stirred 20 minutes with improving the dispersion performance of glass microballoon in the solution；
4) glucose solution that 100ml mass concentrations are 20g/L is added in the silver plating solution of step 3), is reacted 60 minutes
Afterwards, the glass microballoon that surface is coated with silver particles can be obtained.
After measured, glass microballoon (the silica)/galactic nucleus shell-type compounded microbeads are electrically conductive, conductivity 1.0-1.5 ×
105Between S/m.
The atomic percent of pure silicon dioxide and silicon dioxide/silver core shell-type complex microsphere surface-element contains in the present embodiment
Amount ratio is shown in Table 1.
Pure silicon dioxide microballoon XPS wide ranges figure and XRD spectra are shown in Fig. 1 (a) and Fig. 2 (a), silica/dopamine respectively
The XPS wide ranges figure and XRD spectra of core-shell microspheres are shown in Fig. 1 (b) and Fig. 2 (b), silica/poly- (catechol-respectively
Tetraethylenepentamine)/silver-colored core-shell microspheres XPS wide ranges figure and XRD spectra see Fig. 1 (c) and Fig. 2 (c) respectively；Scanning electron
Microscope (SEM) image is shown in Fig. 3, wherein (a) pure silicon dioxide microballoon, (b) silica/poly- (- four ethylene five of catechol
Amine) core-shell microspheres and (c) silica/poly- (catechol-tetraethylenepentamine)/silver core-shell microspheres.
It is seen in fig. 1, that in Fig. 1 (b) silica/poly- (catechol-tetraethylenepentamine) core-shell microspheres
There is the nitrogen not having in Fig. 1 (a) pure silicon dioxides in XPS wide range figures, illustrates that poly- (catechol-tetraethylenepentamine) is heavy
Product is on silicon dioxide microsphere surface.It is compound in Fig. 1 (c) silica/poly- (catechol-tetraethylenepentamine)/galactic nucleus shell-type
There is silver-colored peak in the XPS wide range figures of microballoon, illustrates to deposited silver particles on silicon dioxide microsphere surface.As can be seen from Figure 2,
In the XRD of Fig. 2 (a) pure silicon dioxides and Fig. 2 (b) silica/poly- (catechol-tetraethylenepentamine) core-shell microspheres
Do not have silver-colored peak in spectrogram, and in Fig. 2 (c) silica/poly- (catechol-tetraethylenepentamine)/silver core-shell microspheres
XRD spectra in there are four types of different crystalline lattice structure silver-colored peak occur, it was demonstrated that have silver particles on silicon dioxide microsphere surface.From Fig. 3
It can be seen that Fig. 3 (a) pure silicon dioxides, Fig. 3 (b) silica/poly- (catechol-tetraethylenepentamine) core-shell microspheres
With the variation of the surface topography of Fig. 3 (c) silica/poly- (catechol-tetraethylenepentamine)/silver core-shell microspheres, together
When can be seen that the silver layer on the silicon dioxide/silver core shell-type complex microsphere surface made from chemical reduction method is fine and close continuous, tool
Standby good electric conductivity.
Embodiment 2
For process with embodiment 1, the reaction time in step 4) is changed to 30min, 40min, 50min, 90min and 120min can
Obtain the glass microballoon that silver particles are coated with to surface.
After measured, the silicon dioxide/silver core shell-type compounded microbeads are electrically conductive, and conductivity is 1.0-1.5 × 105S/m it
Between.
Embodiment 3
Process with embodiment 1, by the concentration of catechol-tetraethylenepentamine in step 1) be changed to 5mM/L, 15mM/L,
The glass microballoon that surface is coated with silver particles can be obtained in 20mM/L and 25mM/L.
After measured, the silicon dioxide/silver core shell-type compounded microbeads are electrically conductive, and conductivity is 1.0-1.5 × 105S/m it
Between.
Embodiment 4
Mixing time in step 1) is changed to 2 hours, 8 hours, 12 hours and 24 hours by process with embodiment 1, can be obtained
Surface is coated with the glass microballoon of silver particles.
After measured, the silicon dioxide/silver core shell-type compounded microbeads are electrically conductive, and conductivity is 1.0-1.5 × 105S/m it
Between.
Embodiment 5
Process is changed to 5g/L, 20g/L, 30g/L and 40g/L with embodiment 1, by silver nitrate concentration in step 2), accordingly
Glucose concentration is 10g/L, 40g/L, 60g/L and 80g/L, and the glass microballoon that surface is coated with silver particles can be obtained.
After measured, the silicon dioxide/silver core shell-type compounded microbeads are electrically conductive, and conductivity is 1.0-1.5 × 105S/m it
Between.
Embodiment 6
Process is adjusted to 7 respectively with embodiment 1, by the PH of catechol in step 1)-tetraethylenepentamine solution, 7.5,8,
9,9.5 and 10, the glass microballoon that surface is coated with silver particles can be obtained.
After measured, the silicon dioxide/silver core shell-type compounded microbeads are electrically conductive, and conductivity is 1.0-1.5 × 105S/m it
Between.
Embodiment 7
Process is changed to diethylenetriamine, triethylene tetramine, five ethylene six with embodiment 1, by tetraethylenepentamine in step 1)
Seven amine of amine and six ethylene, can be obtained the glass microballoon that surface is coated with silver particles.
After measured, the silicon dioxide/silver core shell-type compounded microbeads are electrically conductive, and conductivity is 1.0-1.5 × 105S/m it
Between.
Embodiment 8
Process is changed to 1 with embodiment 1, by the molar ratio of catechol in step 1) and tetraethylenepentamine:2,1:3,2:1 and
3:1, the glass microballoon that surface is coated with silver particles can be obtained.
Comparative example 9
1) configuration concentration is the aqueous dopamine solution of 10mM/L, after being used in combination Tris-HCl buffer solutions to adjust PH to 8.5, by 4g
It is impregnated wherein with the glass microballoon that ethyl alcohol is cleaned, is stirred 24 hours with the stir speed (S.S.) of 60 turns/min, it will deposition after stirring
There is the glass microballoon of poly-dopamine to filter out, net, vacuum drying is washed with deionized water；
2) configuration concentration is the silver nitrate solution of 10g/L, is just disappeared with ammonia water titration to precipitation, obtains silver plating solution；
3) it will be immersed in step under stirring conditions with glass microballoon of the poly-dopamine in step 1) after surface-functionalized
2) in the 100ml silver plating solutions obtained in, 0.01g polyethylene of dispersing agent pyrrolidones (PVP) is added in this silver plating solution to improve
The dispersion performance of glass microballoon in the solution stirs 20 minutes；
4) glucose solution that 100ml mass concentrations are 20g/L is added in the silver plating solution of step 3), is reacted 60 minutes
Afterwards, the glass microballoon that surface is coated with silver particles can be obtained.
The silicon dioxide/silver core shell-type complex microsphere surface-element of products obtained therefrom and gained in embodiment 1 is shown in comparative example 9
Table 2.From Table 2, it can be seen that poly-dopamine it is surface-functionalized glass microballoon it is silver-plated after silver dollar cellulose content it is relatively low, element silicon
Content is higher.This illustrates that the silver layer of the surface-functionalized glass microballoon surface deposition of poly-dopamine is relatively thin, and content is less, leads to it
Conductivity is relatively low.
The scanning electron microscope image of itself and 1 products obtained therefrom of embodiment is shown in Fig. 4, before carrying out reduction silver by chemical deposition
It puts, compared the silver layer (Fig. 4 (a)) of the surface-functionalized glass microballoon surface deposition of poly-dopamine and poly- (adjacent benzene two
Phenol-tetraethylenepentamine) it is surface-functionalized after glass microballoon surface deposition silver layer (Fig. 4 (b)) surface topography difference, explanation
It is more dredged by chemical reduction method, the silver layer of the surface-functionalized glass microballoon surface deposition of poly-dopamine under similarity condition
Pine, silver layer is imperfect, and poly- (catechol-tetraethylenepentamine) it is surface-functionalized after glass microballoon surface deposition silver layer connect
Continuous densification, it is uniformly complete, it was demonstrated that the effect of catechol-tetraethylenepentamine is better than dopamine during restoring silver.
This is because having a large amount of-NH in tetraethylenepentamine3Group, faint reproducibility can be by the silver ion reductions in solution
At silver particles, silver particles are provided and increase required core, keep the silver layer of deposition compact and complete.
Embodiment 10
1) configuration concentration is catechol-tetraethylenepentamine aqueous solution of 10mM/L, and catechol rubs with tetraethylenepentamine
You are than being 1:1, after being used in combination Tris-HCl buffer solutions to adjust PH to 8.5, the 4g aluminium powders that ethyl alcohol is cleaned are impregnated wherein, with 60
Turn/stir speed (S.S.) of min stirs 24 hours, deposition is had to the aluminium powder mistake of poly- (catechol-tetraethylenepentamine) after stirring
It filters out, net, vacuum drying is washed with deionized water；
2) configuration concentration is the silver nitrate solution of 10g/L, is just disappeared with ammonia water titration to precipitation, obtains silver plating solution；
3) aluminium powder after poly- (catechol-tetraethylenepentamine) is surface-functionalized in step 1) will be used under stirring conditions
It is immersed in the 100ml silver plating solutions obtained in step 2), 0.01g polyethylene of dispersing agent pyrrolidones is added in this silver plating solution
(PVP) it to improve the dispersion performance of aluminium powder in the solution, stirs 20 minutes；
4) glucose solution that 100ml mass concentrations are 20g/L is added in the silver plating solution of step 3), is reacted 60 minutes
Afterwards, the aluminium powder that surface is coated with silver particles can be obtained.
After measured, the aluminium/galactic nucleus shell-type composite material is electrically conductive, and conductivity is 1.0-1.5 × 105Between S/m.
Fig. 5 is the blank aluminium powder of gained, aluminium/poly- (catechol-tetraethylenepentamine) core-shell type composite wood in embodiment 10
The XPS wide range figures of material and aluminium/poly- (catechol-tetraethylenepentamine)/galactic nucleus shell-type composite material.Due to Fig. 5 (b) aluminium/
There is the nitrogen not having in pure aluminium powder spectrogram in the XPS spectrum figure of poly- (catechol-tetraethylenepentamine), illustrates in aluminium powder table
Face deposition has poly- (catechol-tetraethylenepentamine), in the XPS spectrum of Fig. 5 (c) aluminium/poly- (catechol-tetraethylenepentamine)/silver
Occurs silver-colored peak in figure, it was demonstrated that deposited silver particles on aluminium powder surface.
Embodiment 11
The silver-plated glass beads 125g prepared in embodiment 1, methyl vinyl silicone rubber 50g, vulcanizing agent double 2,5 are added
It is fully kneaded in open mill, one section of sulphur is carried out to rubber compound under the conditions of 175 DEG C × 10Mpa × 15min using vulcanizing press
Change, electric drying oven with forced convection carries out post vulcanization under conditions of 190 DEG C × 3.5hr, and the silicon of silver-plated glass beads filling is made
Rubber.
Fig. 6 is the SEM photograph of the different amplification in face absolutely of quenching of the silicon rubber of silver-plated glass beads filling.From Fig. 6
(a) it as can be seen that silver-plated glass beads are evenly distributed in silicon rubber in, contacts with each other to form conductive path.From Fig. 6 of amplification
(b) it as can be seen that silver-plated glass beads still keep uniformly complete without falling off by being kneaded, vulcanizing rear surface silver layer in, maintains
Good electric conductivity.
Table 3 is the mechanical property of the silicon rubber of silver-plated glass beads filling and the comparison of electrical property and company standard.From table
In as can be seen that prepare silver-plated glass beads filling silicon rubber mechanical property and electrical property all meet enterprise requirements.
Pure silicon dioxide and silica/poly- (catechol-tetraethylenepentamine)/galactic nucleus shell-type are multiple in 1 embodiment 1 of table
Close the relative atomic percent of microsphere surface element
Silica/poly- (neighbour of silica/poly-dopamine/silver of gained and gained in embodiment 1 in 2 comparative example 9 of table
Benzenediol-tetraethylenepentamine)/silver-colored core-shell microspheres surface-element relative atomic percent
The mechanical property and electrical property of the silicon rubber of 3 silver-plated glass beads of table filling
。
Claims (7)
1. a kind of method for the composite material preparing coated with silver on surface by catechol-polyamines, which is characterized in that including following
Step：
1) matrix after ultrasonic cleansing, is placed it in into catechol a concentration of 5~25mM/L, pH 7.0 in ethanol solution
It is heavy not higher than surface for 24 hours, is obtained with the stir speed (S.S.) stirring of 30~100 turns/min in~10.0 catechol-polyamines solution
Product has the matrix of poly- (catechol-polyamines)；
2) when the silver nitrate solution that mass concentration is 5~40g/L just being disappeared with ammonia water titration to precipitation, preparation obtains silver-colored plating
Liquid；
3) silver plating solution for thering is the matrix of poly- (catechol-polyamines) to be placed in step 2) preparation the surface deposition prepared in step 1)
In, 0.01g polyethylene of dispersing agent pyrrolidones (PVP) is added per 4g matrixes, stirs 20 minutes；
4) glucose solution that mass concentration is 5~80g/L is added into the silver plating solution of step 3) under stirring conditions, is made
It is identical with the volume of glucose solution and the volume of silver nitrate solution, it reacts 1~60 minute at room temperature, obtains to surface and be covered with silver
The matrix of white silver layer.
2. a kind of method of composite material preparing coated with silver on surface by catechol-polyamines described in accordance with the claim 1,
It is characterized in that, step 1) catechol a concentration of 10mM/L, pH 8.5, mixing time 4h；Step 2) silver nitrate concentration is
10g/L；Step 4) concentration of glucose is 20g/L, and the reaction time is 60 minutes.
3. a kind of method of composite material preparing coated with silver on surface by catechol-polyamines described in accordance with the claim 1,
It is characterized in that, concentration of glucose is twice of silver plating solution concentration.
4. a kind of method of composite material preparing coated with silver on surface by catechol-polyamines described in accordance with the claim 1,
It is characterized in that, polyamines is diethylenetriamine, triethylene tetramine, seven amine of tetraethylenepentamine, pentaethylene hexamine or six ethylene.
5. a kind of method of composite material preparing coated with silver on surface by catechol-polyamines described in accordance with the claim 1,
It is characterized in that, the molar ratio of catechol and polyamines is 1:3~3:1.
6. a kind of method of composite material preparing coated with silver on surface by catechol-polyamines described in accordance with the claim 1,
It is characterized in that, polyamines is tetraethylenepentamine, the molar ratio of catechol and polyamines is 1:1.
7. a kind of method of composite material preparing coated with silver on surface by catechol-polyamines described in accordance with the claim 1,
It is characterized in that, the form of the matrix described in step 1) is selected from spherical microballon, sheet, fiber, particle, powder, it is applicable in simultaneously
Material category be selected from metal, inorganic non-metallic, polymer, composite material.
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| CN109487250B (en) * | 2017-09-13 | 2020-02-18 | 北京化工大学 | Method for preparing surface silver-plated composite material |
| CN109929344B (en) * | 2017-12-19 | 2020-07-14 | 中国科学院化学研究所 | Low-surface-energy polymer material composite structure with high cohesiveness and preparation method thereof |
| CN109957144B (en) * | 2017-12-25 | 2020-05-19 | 北京化工大学 | Preparation method of conductive filler with silver-plated surface |
| CN108461172B (en) * | 2018-02-22 | 2020-06-30 | 南方科技大学 | Conductive particle and preparation method and application thereof |
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