CN105907292B - One kind patterning poly-dopamine coating and preparation method thereof - Google Patents
One kind patterning poly-dopamine coating and preparation method thereof Download PDFInfo
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- CN105907292B CN105907292B CN201610353727.7A CN201610353727A CN105907292B CN 105907292 B CN105907292 B CN 105907292B CN 201610353727 A CN201610353727 A CN 201610353727A CN 105907292 B CN105907292 B CN 105907292B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/02—Polyamines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
- C08G73/0213—Preparatory process
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Abstract
It is layer structure, substrate is biocompatible material, and intermediate layer is the titanium dioxide conversion zone with photocatalytic activity, and surface is patterned poly-dopamine layer the invention discloses one kind patterning poly-dopamine coating and preparation method thereof；Pass through patterned transparent or opaque illumination template under illumination condition, the substrate in Dopamine hydrochloride solution with the titanium dioxide conversion zone of photocatalytic activity is irradiated, dopamine is aoxidized using the photocatalytic effect of titanium dioxide patterned poly-dopamine layer is obtained on surface.Utilize the technology of photocatalysis oxidation technique structure poly-dopamine/titanium dioxide bioactivity surface.This technology solves the problems, such as that existing bioactivity surface processing is complicated.It is adapted to large-scale industrial production.
Description
Technical field
The present invention relates to bioactivity surface coating and preparation method thereof, more particularly to patterned poly-dopamine coating and
It is prepared.
Background technology
Poly-dopamine receives extensive attention as a kind of coating material of new good biocompatibility.At present,
It is to utilize oxidation of the oxygen in solution to dopamine that dopamine forms the basic skills painted in material surface, in substrate
Surface forms poly-dopamine coating.This method, which has, prepares simple characteristic, still, coating film thickness control, particularly coating
There is shortcoming in terms of patterning.Present invention is generally directed to this 2 problems to be solved.
The content of the invention
Technical problem:The object of the present invention is to provide simply form patterned poly-dopamine coating in substrate surface
Method.
Technical solution:One kind patterning poly-dopamine coating, is layer structure, and substrate is biocompatible material, intermediate layer
For the titanium dioxide conversion zone with photocatalytic activity, surface is patterned poly-dopamine layer；Pass through figure under illumination condition
The transparent or opaque illumination template of case, to having the titanium dioxide conversion zone of photocatalytic activity in Dopamine hydrochloride solution
Substrate be irradiated, dopamine is aoxidized using the photocatalytic effect of titanium dioxide obtained on surface it is patterned poly- more
Bar amine layer.
The substrate includes any in glass, quartz, polystyrene, PMMA, silicon rubber, titanium, magnesium alloy, stainless steel
It is a kind of.
The titanium dioxide with photocatalytic activity is anatase titanium dioxide, or the rutile titania that carbon, nitrogen, hydrogen mix
Ore deposit type titanium dioxide.
The thickness of the titanium dioxide conversion zone with photocatalytic activity is 10 nanometers -10 microns, the pattern
The poly-dopamine layer thickness of change is 1 nanometer -100 nanometers.
The method for preparing the patterning poly-dopamine coating, by patterned transparent or impermeable under illumination condition
Bright illumination template, is irradiated the substrate in Dopamine hydrochloride solution with the titanium dioxide conversion zone of photocatalytic activity,
Dopamine is aoxidized using the photocatalytic effect of titanium dioxide patterned poly-dopamine layer is obtained on surface.
The concentration of Dopamine hydrochloride is 0.01%-5%wt in the Dopamine hydrochloride solution, solvent 0.01%
The alcohol of vol-96%vol.
The Dopamine hydrochloride solution adjusts pH to 7.0 to 9.2 with trishydroxymethylaminomethane, or is adjusted with sodium phosphate
To 4.4 to 9.2, nitrogen or argon gas are passed through to remove the oxygen in solution in solution.
Illumination condition is the light source containing 365 nano wave length light.
Beneficial effect：Very patterned poly-dopamine surface can be prepared using the method for the present invention by simple and fast
Coating.Coating layer thickness is controllable, and pattern can be selected arbitrarily, is adapted to large-scale industrial production.
Brief description of the drawings
Fig. 1 is the bioactivity substrate after patterning.1 is patterned poly-dopamine layer, and 2 be with light-catalysed dioxy
Change titanium conversion zone, 3 be basalis.
Fig. 2 is experimental provision used in the present invention.2 be with light-catalysed titanium dioxide conversion zone, and 3 be basalis, 4
It is transparent or opaque illumination template for container, 5,6 be light source, and 7 be Dopamine hydrochloride solution.
Embodiment
One kind patterning poly-dopamine coating, is layer structure, and substrate is biocompatible material, and intermediate layer is to be urged with light
Change the titanium dioxide conversion zone of activity, surface is patterned poly-dopamine layer；By patterned transparent under illumination condition
Or opaque illumination template, to having the substrate of the titanium dioxide conversion zone of photocatalytic activity to carry out in Dopamine hydrochloride solution
Irradiation, aoxidizes dopamine using the photocatalytic effect of titanium dioxide and patterned poly-dopamine layer is obtained on surface.
The substrate includes any in glass, quartz, polystyrene, PMMA, silicon rubber, titanium, magnesium alloy, stainless steel
It is a kind of.
The titanium dioxide with photocatalytic activity is anatase titanium dioxide, or the rutile titania that carbon, nitrogen, hydrogen mix
Ore deposit type titanium dioxide.
The thickness of the titanium dioxide conversion zone with photocatalytic activity is 10 nanometers -10 microns, the pattern
The poly-dopamine layer thickness of change is 1 nanometer -100 nanometers.
The method for preparing the patterning poly-dopamine coating, by patterned transparent or impermeable under illumination condition
Bright illumination template, is irradiated the substrate in Dopamine hydrochloride solution with the titanium dioxide conversion zone of photocatalytic activity,
Dopamine is aoxidized using the photocatalytic effect of titanium dioxide patterned poly-dopamine layer is obtained on surface.
The concentration of Dopamine hydrochloride is 0.01%-5%wt in the Dopamine hydrochloride solution, solvent 0.01%
The alcohol of vol-96%vol.
The Dopamine hydrochloride solution adjusts pH to 7.0 to 9.2 with trishydroxymethylaminomethane, or is adjusted with sodium phosphate
To 4.4 to 9.2, nitrogen or argon gas are passed through to remove the oxygen in solution in solution.
Illumination condition is the light source containing 365 nano wave length light.
Raw material used in the present invention are commercially available finished product.
Embodiment 1
The preparation of low-density nano-fiber material：
1. the selection of presoma：Select the presoma that Dopamine hydrochloride is polymer.
2. the preparation of Dopamine hydrochloride solution：Solvent is water and the mixed solvent of alcohol.The concentration of alcohol in water is
0.01%vol-96%vol.Dopamine hydrochloride is 0.01%-5% in the concentration of in the mixed solvent.Solution trihydroxy methyl ammonia
Methylmethane adjusts pH to 7.0 to 9.2, or is adjusted with sodium phosphate to 4.4 to 9.2.It is molten to remove that nitrogen or argon gas are passed through in solution
Oxygen in liquid.
Device：
Illumination apparatus shines masterplate structure by the light source containing 365 nano wave length light and a patterned transparent/opaque light
Into.The light of light source is irradiated substrate through masterplate.
Solution storage device can be a transparent glass container.
Prepare：
It is covered with the titanium dioxide with photocatalytic activity as shown in Fig. 2, being applied on the basalis of good biocompatibility, does
It is dry, it is then immersed in Dopamine hydrochloride solution, is shone with 365 nano wave length light through transparent or opaque illumination template
Penetrate, question response fully takes out afterwards, and cleaning is dried to obtain as shown in Figure 1 with the material for patterning poly-dopamine coating.
Embodiment 2
The preparation of low-density nano-fiber material：
1. the selection of presoma：Select the presoma that Dopamine hydrochloride is polymer.
2. the preparation of Dopamine hydrochloride solution：Solvent is water and the mixed solvent of alcohol.The concentration of alcohol in water is
40%vol.Dopamine hydrochloride is 0.1% in the concentration of in the mixed solvent.Solution adjusts pH to 8 with trishydroxymethylaminomethane.
Nitrogen is passed through in solution to remove the oxygen in solution.
Device：
Illumination apparatus shines masterplate structure by the light source containing 365 nano wave length light and a patterned transparent/opaque light
Into.The light of light source is irradiated substrate through masterplate.
Solution storage device can be a transparent glass container.
Prepare：
Applied on the PMMA basalises of good biocompatibility and be covered with the titanium dioxide with photocatalytic activity, drying, then
Immerse in Dopamine hydrochloride solution, be irradiated with 365 nano wave length light through transparent or opaque illumination template, question response
Taken out after fully, cleaning dries to obtain the material with patterning poly-dopamine coating.
Embodiment 3
The preparation of low-density nano-fiber material：
1. the selection of presoma：Select the presoma that Dopamine hydrochloride is polymer.
2. the preparation of Dopamine hydrochloride solution：Solvent is water and the mixed solvent of alcohol.The concentration of alcohol in water is 5%
vol.Dopamine hydrochloride is 0.05% in the concentration of in the mixed solvent.Solution is adjusted to 5 with sodium phosphate.Nitrogen is passed through in solution to go
Except the oxygen in solution.
Device：
Illumination apparatus shines masterplate structure by the light source containing 365 nano wave length light and a patterned transparent/opaque light
Into.The light of light source is irradiated substrate through masterplate.
Solution storage device can be a transparent glass container.
Prepare：
Applied on the glass substrate layers of good biocompatibility and be covered with the titanium dioxide with photocatalytic activity, drying, then
Immerse in Dopamine hydrochloride solution, be irradiated with 365 nano wave length light through transparent or opaque illumination template, question response
Taken out after fully, cleaning dries to obtain the material with patterning poly-dopamine coating.
Claims (8)
1. one kind patterning poly-dopamine coating, it is characterised in that be layer structure, substrate is biocompatible material, intermediate layer
For the titanium dioxide conversion zone with photocatalytic activity, surface is patterned poly-dopamine layer；Pass through figure under illumination condition
The transparent or opaque illumination template of case, to having the titanium dioxide conversion zone of photocatalytic activity in Dopamine hydrochloride solution
Substrate be irradiated, dopamine is aoxidized using the photocatalytic effect of titanium dioxide obtained on surface it is patterned poly- more
Bar amine layer.
2. as claimed in claim 1 patterning poly-dopamine coating, it is characterised in that the substrate include glass, quartz,
Any one in polystyrene, PMMA, silicon rubber, titanium, magnesium alloy, stainless steel.
3. patterning poly-dopamine coating as claimed in claim 1, it is characterised in that two with photocatalytic activity
Titanium oxide is anatase titanium dioxide, or the anatase titanium dioxide that carbon, nitrogen, hydrogen mix.
4. patterning poly-dopamine coating as claimed in claim 1, it is characterised in that two with photocatalytic activity
The thickness of titanium oxide conversion zone is 10 nanometers -10 microns, and the patterned poly-dopamine layer thickness is received for 1 nanometer -100
Rice.
5. prepare the method for any patterning poly-dopamine coating of Claims 1 to 4, it is characterised in that in illumination bar
By patterned transparent or opaque illumination template under part, to having the dioxy of photocatalytic activity in Dopamine hydrochloride solution
The substrate for changing titanium conversion zone is irradiated, and dopamine is aoxidized using the photocatalytic effect of titanium dioxide and obtains figure on surface
The poly-dopamine layer of case.
6. the method as claimed in claim 5 for preparing patterning poly-dopamine coating, it is characterised in that the hydrochloric acid DOPA
The concentration of Dopamine hydrochloride is 0.01%-5%wt in amine aqueous solution, and solvent is the alcohol of 0.01%vol-96%vol.
7. the method as claimed in claim 5 for preparing patterning poly-dopamine coating, it is characterised in that the hydrochloric acid DOPA
Amine aqueous solution adjusts pH to 7.0 to 9.2 with trishydroxymethylaminomethane, or is adjusted with sodium phosphate to 4.4 to 9.2, is passed through in solution
Nitrogen or argon gas are to remove the oxygen in solution.
8. the as claimed in claim 5 method for preparing patterning poly-dopamine coating, it is characterised in that illumination condition be containing
The light source of 365 nano wave length light.
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| CN108751117A (en) * | 2018-05-28 | 2018-11-06 | 深圳市中科先见医疗科技有限公司 | Microelectrode array and preparation method thereof |
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| CN107170669B (en) * | 2017-06-08 | 2020-08-11 | 西南大学 | Method suitable for growing patterned zinc oxide nano-structure on different substrates |
| US20190094417A1 (en) * | 2017-09-26 | 2019-03-28 | Verily Life Sciences Llc | Ophthalmic devices including polydopamine layers and methods of depositing a metal layer on ophthalmic devices including a polydopamine layer |
| CN112724737B (en) * | 2021-01-14 | 2022-02-22 | 中山大学 | Dopamine ink and method and application thereof for preparing micro-nano pattern |
| CN114249891A (en) * | 2021-08-23 | 2022-03-29 | 南京大学深圳研究院 | Method for polymerizing dopamine monomer on DNA origami by light control |
| CN114891370B (en) * | 2022-06-15 | 2023-09-22 | 衡水澳德彩建筑装饰材料有限公司 | Coated anatase titanium dioxide and preparation method thereof |
| CN115521709B (en) * | 2022-09-28 | 2023-04-18 | 中山大学 | Anti-biofouling coating and preparation method and application thereof |
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| CN103566776B (en) * | 2013-11-06 | 2015-06-17 | 复旦大学 | Photocatalytic inorganic nanoparticle/polydopamine/polymer self-cleaning composite film and preparation method thereof |
| CN104562002B (en) * | 2015-01-21 | 2017-04-05 | 西南交通大学 | The method that surface charge transfer doping regulates and controls Ti O film surface energy level energy states |
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