CN107892832A - A kind of nano paint - Google Patents
A kind of nano paint Download PDFInfo
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- CN107892832A CN107892832A CN201711284004.7A CN201711284004A CN107892832A CN 107892832 A CN107892832 A CN 107892832A CN 201711284004 A CN201711284004 A CN 201711284004A CN 107892832 A CN107892832 A CN 107892832A
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- nano
- tio
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Classifications
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of nano paint, the nano-TiO that the coating is modified by octadecyl acrylate, polystyrene emulsion, surface2Powder active material and acid anhydrides are using mass ratio as 47:3‑10:2‑6:1 10 well mixed both obtain nano paint.The preparation method of the present invention has that technique is simple and convenient, stability is good, has very strong toughness, high mechanical strength.
Description
Technical field
The present invention relates to a kind of nano paint.
Background technology
Nano material has skin effect, small-size effect, optical effect, quantum size effect, macroscopic quantum size effect
Special nature should be waited, coating can be made to obtain new function.
Due to the small-size effect of nanoparticle, skin effect, quantum size effect and macroscopic quantum tunnel in nano paint
Channel effect etc. causes the characteristic that they do not possess in magnetic, light, electricity, sensitivity etc. presentation conventional material.Therefore nanoparticle exists
Magnetic material, electronic material, optical material, the sintering of high compactedness material, catalysis, sensing, ceramic toughening etc. have wide
Application prospect.In general, nano paint must is fulfilled for two conditions：First, at least grain size of a phase in coating
In 1-100nm particle size range；Secondly, the presence of nanometer phase makes the performance of coating be significantly improved or has new work(
Energy.But current nano paint also has the disadvantage that, such as poor performance, the characteristics of stability is not strong.
The content of the invention
The purpose of patent of the present invention is to provide a kind of nano paint, and the present invention adopts the following technical scheme that：
A kind of nano paint, it is characterised in that the coating is changed by octadecyl acrylate, polystyrene emulsion, surface
The nano-TiO of property2Powder active material and acid anhydrides are using mass ratio as 4-7:3-10:2-6:1-10 is well mixed both to have obtained nanometer painting
Material.
The nano-TiO that the surface is modified2Powder active material comprises the following steps：
Step 1: nano-TiO2Powder active material
By nano-TiO2Powder and polyethylene glycol oxide powder are 2-5 in mass ratio:10-20 is placed in ground and mixed in ball mill
1-12h, mixture is placed in heating furnace under the conditions of being warming up to 100-500 DEG C after heating 0.5-10h and naturally cools to normal temperature and obtain
To nano-TiO2Powder active material；
Step 2: nano-TiO2The surface of powder active material is modified
By nano-TiO2Powder active material, potassium peroxydisulfate, DMF, P2O5With deionized water with quality
Than for 2-4:3‐6:1‐5:0.5‐1:15-50 is mixed, and is controlled the pH value of the mixture between 3 and 6 using the concentrated sulfuric acid, heating
1-2h is stirred to 40-70 DEG C, is cooled to after room temperature and uses deionized water to be dried to obtain solid powder after cleaning 3-6 times sediment
End, solid powder is added into distilled water and H2O2Maintain the temperature at 40-60 DEG C of reaction 0.5-3h；Reaction is carried out product after terminating
Centrifuge 15-30min to clean obtained product 3-6 times using deionized water, receiving for surface modification had both been obtained by drying
Rice TiO2Powder active material；The solid powder, distilled water and H2O2Mass ratio 3-6:20‐30:1‐6.
TiO described in step 12Powder is 3 in mass ratio with polyethylene glycol oxide powder:15.
Nano-TiO described in step 22Powder active material, potassium peroxydisulfate, DMF, P2O5With go from
Sub- water is using mass ratio as 3:4.5:2:0.6:35 mixing.
Nano-TiO described in step 12The particle diameter of particle is 1-50nm.
The nanometer for being modified octadecyl acrylate, surface prepared by polystyrene emulsion, step 2 in step 3
TiO2Powder active material and acid anhydrides are using mass ratio as 5:7:4:2 well mixed both obtain nano paint.
Beneficial effect：
1st, preparation method of the invention has that technique is simple and convenient, pollution-free, environment-friendly, film quality is high, input production
Go out the advantages that and application prospect cheaper than high, cost is extensive；
2nd, the coating intensity is big, and corrosion resistance is good.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.
A kind of nano paint, the present invention adopt the following technical scheme that：
A kind of nano paint, it is characterised in that the coating is changed by octadecyl acrylate, polystyrene emulsion, surface
The nano-TiO of property2Powder active material and acid anhydrides are using mass ratio as 4-7:3-10:2-6:1-10 is well mixed both to have obtained nanometer painting
Material.
The nano-TiO that the surface is modified2Powder active material comprises the following steps：
Step 1: nano-TiO2Powder active material
By nano-TiO2Powder and polyethylene glycol oxide powder are 2-5 in mass ratio:10-20 is placed in ground and mixed in ball mill
1-12h, mixture is placed in heating furnace under the conditions of being warming up to 100-500 DEG C after heating 0.5-10h and naturally cools to normal temperature and obtain
To nano-TiO2Powder active material；
Step 2: nano-TiO2The surface of powder active material is modified
By nano-TiO2Powder active material, potassium peroxydisulfate, DMF, P2O5With deionized water with quality
Than for 2-4:3‐6:1‐5:0.5‐1:15-50 is mixed, and is controlled the pH value of the mixture between 3 and 6 using the concentrated sulfuric acid, heating
1-2h is stirred to 40-70 DEG C, is cooled to after room temperature and uses deionized water to be dried to obtain solid powder after cleaning 3-6 times sediment
End, solid powder is added into distilled water and H2O2Maintain the temperature at 40-60 DEG C of reaction 0.5-3h；Reaction is carried out product after terminating
Centrifuge 15-30min to clean obtained product 3-6 times using deionized water, receiving for surface modification had both been obtained by drying
Rice TiO2Powder active material；The solid powder, distilled water and H2O2Mass ratio 3-6:20‐30:1‐6.
TiO described in step 12Powder is 3 in mass ratio with polyethylene glycol oxide powder:15.
Nano-TiO described in step 22Powder active material, potassium peroxydisulfate, DMF, P2O5With go from
Sub- water is using mass ratio as 3:4.5:2:0.6:35 mixing.
Nano-TiO described in step 12The particle diameter of particle is 1-50nm.
The nanometer for being modified octadecyl acrylate, surface prepared by polystyrene emulsion, step 2 in step 3
TiO2Powder active material and acid anhydrides are using mass ratio as 5:7:4:2 well mixed both obtain nano paint.
The nano paint of the present invention is prepared with the following method：
Step 1: nano-TiO2Powder active material
By nano-TiO2Powder and polyethylene glycol oxide powder are 2-5 in mass ratio:10-20 is placed in ground and mixed in ball mill
1-12h, mixture is placed in heating furnace under the conditions of being warming up to 100-500 DEG C after heating 0.5-10h and naturally cools to normal temperature and obtain
To TiO_2 nanoparticles active material；The active material is the TiO of Surface coating nano-sized carbon2Powder active material.
Step 2: nano-TiO2The surface of powder active material is modified
By nano-TiO2Powder active material, potassium peroxydisulfate, DMF, P2O5With deionized water with quality
Than for 2-4:3‐6:1‐5:0.5‐1:15-50 is mixed, and is controlled the pH value of the mixture between 3 and 6 using the concentrated sulfuric acid, heating
1-2h is stirred to 40-70 DEG C, is cooled to after room temperature and uses deionized water to be dried to obtain solid powder after cleaning 3-6 times sediment
End, solid powder is added into distilled water and H2O2Maintain the temperature at 40-60 DEG C of reaction 0.5-3h；Reaction is carried out product after terminating
Centrifuge 15-30min to clean obtained product 3-6 times using deionized water, receiving for surface modification had both been obtained by drying
Rice TiO2Powder active material；The solid powder, distilled water and H2O2Mass ratio 3-6:20‐30:1‐6；
Step 3: the preparation of coating
The nano-TiO that octadecyl acrylate, surface prepared by polystyrene emulsion, step 2 are modified2Powder is lived
Property material and acid anhydrides are using mass ratio as 4-7:3-10:2-6:1-10 is well mixed both to obtain nano paint.
TiO described in step 12Powder is 3 in mass ratio with polyethylene glycol oxide powder:15.
Nano-TiO described in step 22Powder active material, potassium peroxydisulfate, DMF, P2O5With go from
Sub- water is using mass ratio as 3:4.5:2:0.6:35 mixing.
Nano-TiO described in step 12The particle diameter of particle is 1-50nm.
The nanometer for being modified octadecyl acrylate, surface prepared by polystyrene emulsion, step 2 in step 3
TiO2Powder active material and acid anhydrides are using mass ratio as 5:7:4:2 well mixed both obtain nano paint.
(1) polystyrene emulsion used in the present invention is prepared with the following method：
A, the preparation of styrene emulsion
Styrene and ammonium persulfate are placed in the container equipped with 40-55 DEG C of water, 20-60min is stirred, is passed through nitrogen, stirs
Azo-bis-isobutyrate hydrochloride and ammonium hydrogen carbonate are added while mixing, 40-55 DEG C of stirring 30-60min is kept, is warming up to 60~90
DEG C, reaction 3-15h is obtained, styrene emulsion；
The mass ratio of the styrene, ammonium persulfate, azo-bis-isobutyrate hydrochloride and ammonium hydrogen carbonate is 10-20:2-6:
1-3:3-7；
B, the preparation of cyclodextrine derivatives
(1) pretreatment of beta-schardinger dextrin：
Distilled water is added in a reservoir, is heated to 90-100 DEG C, takes beta-schardinger dextrin to be placed in heated steaming under agitation
Dissolved in distilled water, keeping temperature control is filtered at 90-95 DEG C, 10-20h at a temperature of filtrate is placed in into -5-5 DEG C so that
Crystal separates out, and the crystal of precipitation, which is placed on, to dry within 6 hours in 80 DEG C of vacuum drying chambers must crystallize beta-schardinger dextrin；The distillation
The mass ratio of water and beta-schardinger dextrin is 100-200:20-30；
(2) preparation of cyclodextrine derivatives
Beta-schardinger dextrin of the step (1) by pretreatment is placed in anhydrous pyridine, 15- is stirred in -5-0 DEG C of ice-water bath
Mixed liquor is made in 60min, NaOH and deionized water is added in mixed liquor the liquid that pH value is 9-11 is made, be warming up to 25-30
Butyrolactone DEG C is added in the liquid, reacts 15-30min, is cooled to -5-0 DEG C again, adds 1,2- epoxy butane keeping temperatures
3-6h is reacted, adds second eyeball solution sustained response 10-15h, after completion of the reaction, pH value is adjusted to neutrality using hydrochloric acid, used
Vacuum rotary steam removes water and pyridine, and solid particle is placed in dimethylformamide and stirred, is consolidated using acetone precipitation
Body product, the product is dried in vacuo 3-6h at 70-90 DEG C and obtains solid particle, as cyclodextrine derivatives；
The beta-schardinger dextrin of the pretreatment, anhydrous pyridine, butyrolactone, 1,2- epoxy butane, the mass ratio of second eyeball is 10-
20:30-60:2-5:3-6:1-3；
C, the preparation of polystyrene emulsion
Cyclodextrine derivatives and deionized water prepared by styrene emulsion, step B prepared by step A mix equal
It is even, n-butanol and DMA are added, is passed through nitrogen temperature to 50 DEG C, reacts 3-6 hours, stops heating and stirring
Mix down and be cooled to room temperature, obtain polystyrene emulsion；
The mass ratio of the styrene emulsion, cyclodextrine derivatives, deionized water, n-butanol and DMA
For 5-10:1-3:30-60:2-4:3-5；
(2) research is found
1st, cyclodextrine derivatives prepared in the present invention are 2-O- (2- hydroxybutyls)-cyclodextrin, and yield can reach
12-16%, the yield of 6-9% on the market is exceeded well over, this is due to that the beta-schardinger dextrin of pretreatment is placed in into nothing first in the present invention
In water pyridine, mixed at a temperature of -5-0 DEG C of ice-water bath, by adding butyrolactone after heating, be cooled to -5-0 DEG C of ice again
1,2- epoxy butanes under water-bath, research are found, are added different materials by the change of this temperature, can effectively be lifted pre- place
The reactivity of the beta-schardinger dextrin of reason, so as to lift the yield of cyclodextrine derivatives by about one time；
2nd, research is found in addition, is spread out using the beta-schardinger dextrin of pretreatment compared to direct using beta-schardinger dextrin production cyclodextrin
Biology, its yield can lift 1-2%；
3rd, find by research, lifted by adding cyclodextrine derivatives polystyrene emulsion shelf stability, with
Do not add cyclodextrin as a comparison embodiment 1, add beta-schardinger dextrin embodiment 2 as a comparison, adding cyclodextrin with the present invention spreads out
Biology is compared, referring specifically to table 1.Table 1
| Comparative example 1 | Comparative example 2 | Add cyclodextrine derivatives | |
| Storage 1 week | Emulsion is substantially layered | It is unchanged | It is unchanged |
| Storage 1 month | Creaming of emulsion, flocculation are serious | It is unchanged | It is unchanged |
| Deposit 2-3 months | Creaming of emulsion, flocculation are serious | Without obvious layering | It is unchanged |
| Deposit 4-6 months | Creaming of emulsion, flocculation are serious | Creaming of emulsion, flocculation are serious | It is unchanged |
4th, found by studying, the reaction time of polystyrene emulsion can effectively be lifted by adding cyclodextrine derivatives；With benzene
The mass ratio of vac emulsion, cyclodextrine derivatives, deionized water, n-butanol and DMA is 6:1.5:50:3:
The conversion ratio that styrene is tested exemplified by 3.5 is shown in Table 2.
Table 2
| Comparative example 1 | Comparative example 2 | Add cyclodextrine derivatives | |
| React 3h | 30% | 76% | 92% |
| React 5h | 65% | Less than 95% | More than 98% |
| React 6h | 65% | Less than 95% | More than 98% |
5th, first to nano-TiO in the present invention2Powder surface activates to obtain the TiO of Surface coating nano-sized carbon2Powder active material
Material, surface modification then is carried out to the nano-powder active material, is found by numerous studies, passes through modified nano-powder
Material can be even closer with the bond conjunction between heretofore described polystyrene emulsion, can effectively strengthen coating
Can, the coating being modified on the market using hydroxyl surface modification or other surfaces is exceeded well over, referring specifically to table 3.
Table 3
It should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
After the content of the invention lectured has been read, those skilled in the art can make various changes or modifications to the present invention, these
The equivalent form of value equally falls within the application appended claims limited range.
Claims (6)
1. a kind of nano paint, it is characterised in that the coating is modified by octadecyl acrylate, polystyrene emulsion, surface
Nano-TiO2Powder active material and acid anhydrides are using mass ratio as 4-7:3-10:2-6:1-10 is well mixed both to have obtained nanometer painting
Material.
A kind of 2. nano paint, it is characterised in that the nano-TiO that the surface is modified2Powder active material comprises the following steps：
Step 1: nano-TiO2Powder active material
By nano-TiO2Powder and polyethylene glycol oxide powder are 2-5 in mass ratio:10-20 is placed in ground and mixed 1- in ball mill
12h, mixture is placed in heating furnace under the conditions of being warming up to 100-500 DEG C after heating 0.5-10h and naturally cools to normal temperature and obtain
Nano-TiO2Powder active material；
Step 2: nano-TiO2The surface of powder active material is modified
By nano-TiO2Powder active material, potassium peroxydisulfate, DMF, P2O5With deionized water using mass ratio as
2‐4:3‐6:1‐5:0.5‐1:15-50 is mixed, and is controlled between 3 and 6 the pH value of the mixture using the concentrated sulfuric acid, is warming up to 40-
1-2h is stirred at 70 DEG C, is cooled to after room temperature and uses deionized water to be dried to obtain solid powder after cleaning 3-6 times sediment, will
Solid powder adds distilled water and H2O2Maintain the temperature at 40-60 DEG C of reaction 0.5-3h；Product is carried out centrifugation after terminating and divided by reaction
Obtained product is cleaned 3-6 times using deionized water from 15-30min, the nano-TiO of surface modification had both been obtained by drying2
Powder active material；The solid powder, distilled water and H2O2Mass ratio 3-6:20‐30:1‐6.
A kind of 3. nano paint as claimed in claim 2, it is characterised in that TiO described in step 12Powder and polyoxyethylene
The mass ratio of alkene powder is 3:15.
A kind of 4. nano paint as claimed in claim 2, it is characterised in that nano-TiO described in step 22Powder active material
Material, potassium peroxydisulfate, DMF, P2O5With deionized water using mass ratio as 3:4.5:2:0.6:35 mixing.
A kind of 5. nano paint as claimed in claim 2, it is characterised in that nano-TiO described in step 12The particle diameter of particle
For 1-50nm.
6. a kind of nano paint as claimed in claim 1, it is characterised in that by octadecyl acrylate in step 3, gather
The nano-TiO that surface prepared by styrene emulsion, step 2 is modified2Powder active material and acid anhydrides are using mass ratio as 5:7:4:2
It is well mixed both to obtain nano paint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284004.7A CN107892832A (en) | 2017-12-07 | 2017-12-07 | A kind of nano paint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284004.7A CN107892832A (en) | 2017-12-07 | 2017-12-07 | A kind of nano paint |
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| CN107892832A true CN107892832A (en) | 2018-04-10 |
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ID=61807419
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003686A (en) * | 2017-12-15 | 2018-05-08 | 安徽省华腾农业科技有限公司 | A kind of nano paint |
| EP4234641A1 (en) | 2022-02-25 | 2023-08-30 | Basf Se | Compositions, comprising modified titanium dioxide nanoparticles and uses thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162969A (en) * | 1994-11-10 | 1997-10-22 | 瓦克化学有限公司 | Redispersable polymer powder compositions containing cyclodextrin or cyclodextrin derivatives |
| CN106752424A (en) * | 2016-11-29 | 2017-05-31 | 国网山东省电力公司电力科学研究院 | A kind of wear-resistant integrated super-hydrophobic coat of polystyrene and preparation method thereof |
-
2017
- 2017-12-07 CN CN201711284004.7A patent/CN107892832A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162969A (en) * | 1994-11-10 | 1997-10-22 | 瓦克化学有限公司 | Redispersable polymer powder compositions containing cyclodextrin or cyclodextrin derivatives |
| CN106752424A (en) * | 2016-11-29 | 2017-05-31 | 国网山东省电力公司电力科学研究院 | A kind of wear-resistant integrated super-hydrophobic coat of polystyrene and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003686A (en) * | 2017-12-15 | 2018-05-08 | 安徽省华腾农业科技有限公司 | A kind of nano paint |
| EP4234641A1 (en) | 2022-02-25 | 2023-08-30 | Basf Se | Compositions, comprising modified titanium dioxide nanoparticles and uses thereof |
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Application publication date: 20180410 |