CN106189382A - A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof - Google Patents
A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof Download PDFInfo
- Publication number
- CN106189382A CN106189382A CN201610594992.4A CN201610594992A CN106189382A CN 106189382 A CN106189382 A CN 106189382A CN 201610594992 A CN201610594992 A CN 201610594992A CN 106189382 A CN106189382 A CN 106189382A
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- Prior art keywords
- aluminium powder
- thin slice
- pigment
- dehydrated alcohol
- ethyl ester
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
- C09C1/64—Aluminium
- C09C1/648—Aluminium treated with inorganic and organic, e.g. polymeric, compounds
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
Abstract
The invention discloses a kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment, be prepared by the raw materials in: aluminum pigment 2 2.3, TEOS 3 3.5, ammonia 4.5 5, dehydrated alcohol are appropriate, distilled water 5 5.5, chitin whisker 0.4 0.6, ascorbic acid 0.2 0.3, Oleum Folium Artemisiae Argyi 0.2 0.3, nanometer Zn WO40.3 0.4, acrylic acid trifluoro ethyl ester 0.4 0.5, dicumyl peroxide 0.03 0.04.The present invention uses nanometer Zn WO4, acrylic acid trifluoro ethyl ester aluminum pigment is modified, improve resistance to water and the compactness of aluminium powder, reduce air oxidation, improve the floatability of aluminium powder；By using chitin whisker, Oleum Folium Artemisiae Argyi, improve the antibiotic property of aluminium powder, resistance to water and floatability；Ascorbic acid can slow down aluminium powder oxidation, keeps glossiness.
Description
Technical field
The present invention relates to aluminium powder pigment technical field, particularly relate to a kind of antimicrobial nano coated with silica modification thin slice aluminum
Powder pigment and preparation method thereof.
Background technology
Thin slice (0.1～1 μ m-thick, 5～50 μm length or width) metallic aluminium pigment is owing to having special changeable colors along with angle optics effect
Should and metallic luster, be widely used in car paint, industrial coating, printing-ink and Plastics Processing Industry.But aluminum is both sexes lives
Property metal, the O in contact acid aqueous slkali or air2As easy as rolling off a log generation aoxidizes and blackening, affects its metallic luster, also can
Produce substantial amounts of H2, affect its bin stability.
Improving the bin stability of aluminium powder, prevent aluminium powder surface oxidized, effective method is to enter at aluminium powder microparticle surfaces
Row modification, one layer of corrosion inhibitor of surface adsorption or one layer of inert layer of microcapsule coated, isolation aluminum and oxygen, directly the connecing of water
Touch.Compared to absorption organic corrosion inhibitor, form one layer of thin and compact passivation layers of chrome or SiO on aluminium powder surface2Layer
Deng inorganic layer, there is extraordinary oxidation and corrosion performance .Y .Iriyama with tetraethyl orthosilicate (TEOS) as forerunner
Body, using plasma polymerization has been coated with one layer of SiO at aluminium powder particle surface2 Layer.Sol-gal process because reaction temperature is low,
Processes and apparatus is simple, has wider industrial application value.Ralf Supplit and Ul rich Schubert uses phosphorus
Acid catalysis teos hydrolysis carries out ground floor cladding to aluminium powder, then with hexadecyl trimethoxy silane or dimethyl two
Methoxy silane hydrolysis carries out second layer cladding, and cladding aluminium powder has preferable stability in the alkali liquor of hot water and pH=9.
Liu Hui etc. use methyl allyl acyloxypropyl trimethoxysilane that aluminium powder carries out pretreatment, then use emulsion in situ to gather
The method cladding polymethyl methacrylate closed.Li Lijuns etc. use TEOS that thin slice aluminium powder has been carried out Nano-meter SiO_22Cladding,
TEOS and VTES is used to hydrolyze simultaneously and aluminium powder has carried out the Nano-meter SiO_2 of hydridization2 Cladding, and at this base
Using polymer to carry out second layer cladding on plinth, cladding aluminium powder can stable existence 30 d in the alkali liquor of pH=11.Jo
Stein Mardalen etc. find that the impact of the chemical stability of cladding aluminium powder is compared coated Si by the form of coated Si and coverage degree
The impact of thickness more important.
" Nano-meter SiO_22Coating modification thin slice aluminium powder pigment and acid resistance research thereof " literary composition with TEOS as presoma, adopt
SiO is prepared by sol-gel process2Aluminium powder pigment (the Al/SiO of cladding2), detailed examination reaction temperature, response time, aluminum silicon
Than process conditions such as (S=nAl/nTEOS), water silicon ratio (R=nH2O/nTEOS) and catalyst amounts to clad form and product
The acid proof impact of product.
But use Nano-meter SiO_22The thin slice aluminium powder pigment brightness of coating modification declines, and needs to improve.And aluminium powder pigment
Corrosion resistance, thermostability, anti-radiation, ultra-violet resistance, resistance to water, resistance to ag(e)ing, antibiotic property, corrosion resistance, scratch,
The performance such as stability, thermal diffusivity is also required to further promote.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of antimicrobial nano coated with silica is modified
Thin slice aluminium powder pigment and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment, is prepared by the raw materials in: aluminum pigment 2-
2.3, TEOS 3-3.5, ammonia 4.5-5, dehydrated alcohol be appropriate, distilled water 5-5.5, chitin whisker 0.4-0.6, ascorbic acid
0.2-0.3, Oleum Folium Artemisiae Argyi 0.2-0.3, nanometer Zn WO40.3-0.4, acrylic acid trifluoro ethyl ester 0.4-0.5, dicumyl peroxide
0.03-0.04。
The preparation method of described antimicrobial nano coated with silica modification thin slice aluminium powder pigment, comprises the following steps:
(1) by chitin whisker, ascorbic acid, Oleum Folium Artemisiae Argyi, nanometer Zn WO4Mix with the dehydrated alcohol of 30-35 weight portion, ultrasonic
Disperseing 5-10 minute, add acrylic acid trifluoro ethyl ester, dicumyl peroxide is heated to 40-45 DEG C, stirring reaction 30-40 divides
Clock, adds TEOS, stirs, and obtains mixture；
(2) dehydrated alcohol of aluminum pigment and 50-55 weight portion is mixed, stir 1-1.2h under nitrogen protection, then heat to
40-45 DEG C, obtain slurry；
(3) by ammonia and the dehydrated alcohol of 30 weight portions and distilled water mix homogeneously, the mixture obtained with (1st) step drips simultaneously
Being added in (2nd) slurry obtained, controlling rate of addition is 1 drop/sec, after dropping, reacts 6-6.5h at 40-43 DEG C,
Stopped reaction, vacuum filtration, with absolute ethanol washing product 3 times, it is drying to obtain.
The invention have the advantage that the present invention uses nanometer Zn WO4, acrylic acid trifluoro ethyl ester aluminum pigment is modified,
ZnWO4Being coated on aluminium powder surface and improve bright property and the rotproofness of aluminium powder, acrylic acid trifluoro ethyl ester improves the water-fast of aluminium powder
Property and compactness, reduce air oxidation, improve the floatability of aluminium powder；By using chitin whisker, Oleum Folium Artemisiae Argyi, improve aluminum
The antibiotic property of powder, resistance to water and floatability；Ascorbic acid can slow down aluminium powder oxidation, keeps glossiness.
Detailed description of the invention
A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment, by the raw material system of following weight portion (kilogram)
Become: aluminum pigment 2, TEOS 3, ammonia 4.5, dehydrated alcohol are appropriate, distilled water 5, chitin whisker 0.4, ascorbic acid 0.2, Folium Artemisiae Argyi
Oil 0.2, nanometer Zn WO40.3, acrylic acid trifluoro ethyl ester 0.4, dicumyl peroxide 0.03.
The preparation method of described antimicrobial nano coated with silica modification thin slice aluminium powder pigment, comprises the following steps:
(1) by chitin whisker, ascorbic acid, Oleum Folium Artemisiae Argyi, nanometer Zn WO4Mix with the dehydrated alcohol of 30 weight portions, ultrasonic point
Dissipate 5 minutes, add acrylic acid trifluoro ethyl ester, dicumyl peroxide is heated to 40 DEG C, stirring reaction 30 minutes, add
TEOS, stirs, and obtains mixture；
(2) dehydrated alcohol of aluminum pigment and 50 weight portions is mixed, stir 1h under nitrogen protection, then heat to 40 DEG C,
To slurry；
(3) by ammonia and the dehydrated alcohol of 30 weight portions and distilled water mix homogeneously, the mixture obtained with (1st) step drips simultaneously
Being added in (2nd) slurry obtained, controlling rate of addition is 1 drop/sec, after dropping, reacts 6h at 40 DEG C, stops anti-
Should, vacuum filtration, with absolute ethanol washing product 3 times, it is drying to obtain.
Under microscopic visualization, aluminium powder surface has the coating film of densification to the present embodiment aluminium powder pigment, and has fluorescence
Bright spot, specific surface area is 10.98cm2/ g. aluminium powder in the acid solution of pH=1 can stable existence 30 d and do not produce H2。
Claims (2)
1. an antimicrobial nano coated with silica modification thin slice aluminium powder pigment, it is characterised in that by the raw material system of following weight portion
Become: aluminum pigment 2-2.3, TEOS 3-3.5, ammonia 4.5-5, dehydrated alcohol are appropriate, distilled water 5-5.5, chitin whisker 0.4-
0.6, ascorbic acid 0.2-0.3, Oleum Folium Artemisiae Argyi 0.2-0.3, nanometer Zn WO40.3-0.4, acrylic acid trifluoro ethyl ester 0.4-0.5, peroxide
Change isopropylbenzene 0.03-0.04.
The preparation method of antimicrobial nano coated with silica modification thin slice aluminium powder pigment the most according to claim 1, it is special
Levy and be to comprise the following steps:
(1) by chitin whisker, ascorbic acid, Oleum Folium Artemisiae Argyi, nanometer Zn WO4Mix with the dehydrated alcohol of 30-35 weight portion, ultrasonic
Disperseing 5-10 minute, add acrylic acid trifluoro ethyl ester, dicumyl peroxide is heated to 40-45 DEG C, stirring reaction 30-40 divides
Clock, adds TEOS, stirs, and obtains mixture；
(2) dehydrated alcohol of aluminum pigment and 50-55 weight portion is mixed, stir 1-1.2h under nitrogen protection, then heat to
40-45 DEG C, obtain slurry；
(3) by ammonia and the dehydrated alcohol of 30 weight portions and distilled water mix homogeneously, the mixture obtained with (1st) step drips simultaneously
Being added in (2nd) slurry obtained, controlling rate of addition is 1 drop/sec, after dropping, reacts 6-6.5h at 40-43 DEG C,
Stopped reaction, vacuum filtration, with absolute ethanol washing product 3 times, it is drying to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594992.4A CN106189382A (en) | 2016-07-27 | 2016-07-27 | A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594992.4A CN106189382A (en) | 2016-07-27 | 2016-07-27 | A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106189382A true CN106189382A (en) | 2016-12-07 |
Family
ID=57496122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594992.4A Pending CN106189382A (en) | 2016-07-27 | 2016-07-27 | A kind of antimicrobial nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106189382A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1774482A (en) * | 2003-07-18 | 2006-05-17 | 东洋铝株式会社 | Flake pigment, coating material and powder coating composition each containing the same, and surface-treating agent for flaky particle for use therein |
-
2016
- 2016-07-27 CN CN201610594992.4A patent/CN106189382A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1774482A (en) * | 2003-07-18 | 2006-05-17 | 东洋铝株式会社 | Flake pigment, coating material and powder coating composition each containing the same, and surface-treating agent for flaky particle for use therein |
Non-Patent Citations (2)
| Title |
|---|
| 刘国杰 等: "《现代涂料与涂装技术》", 31 May 2002, 中国轻工业出版社 * |
| 皮丕辉 等: "纳米SiO2 包覆改性薄片铝粉颜料及其耐酸性研究", 《纳米SIO2 包覆改性薄片铝粉颜料及其耐酸性研究》 * |
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Application publication date: 20161207 |