CN106189381A - A kind of anticorrosive nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof - Google Patents

A kind of anticorrosive nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof Download PDF

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Publication number
CN106189381A
CN106189381A CN201610594988.8A CN201610594988A CN106189381A CN 106189381 A CN106189381 A CN 106189381A CN 201610594988 A CN201610594988 A CN 201610594988A CN 106189381 A CN106189381 A CN 106189381A
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China
Prior art keywords
aluminium powder
thin slice
pigment
nanometer
dehydrated alcohol
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CN201610594988.8A
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Chinese (zh)
Inventor
董前年
朱胜利
姚磊
王蓓蓓
朱双单
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HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
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HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
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Priority to CN201610594988.8A priority Critical patent/CN106189381A/en
Publication of CN106189381A publication Critical patent/CN106189381A/en
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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
    • 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
    • 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
    • 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 anticorrosive 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, Lithium metasilicate 0.4 0.5, ethylenediaminetetraacetic acid 0.3 0.4, nanometer silver 0.1 0.2, nano-hydroxy oxalic acid aluminum solutions 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.By the present invention in that and carry out mixed and modified with Lithium metasilicate, ethylenediaminetetraacetic acid, nanometer silver so that nanometer silver is evenly distributed on aluminium powder surface, improves the antibiotic property of aluminium powder, Lithium metasilicate improves resistance to water and the anticorrosive property of aluminium powder, persistently keeps brightness.

Description

A kind of anticorrosive nano coated with silica modification thin slice aluminium powder pigment and preparation thereof Method
Technical field
The present invention relates to aluminium powder pigment technical field, particularly relate to a kind of anticorrosive nano coated with silica modification thin slice Aluminium 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 anticorrosive nano coated with silica changes Property thin slice aluminium powder pigment and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of anticorrosive 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 are appropriate, distilled water 5-5.5, Lithium metasilicate 0.4-0.5, ethylenediamine tetrem Acid 0.3-0.4, nanometer silver 0.1-0.2, nano-hydroxy oxalic acid aluminum solutions 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 anticorrosive nano coated with silica modification thin slice aluminium powder pigment, comprises the following steps:
(1) by Lithium metasilicate, ethylenediaminetetraacetic acid, nanometer silver mixing, grind uniformly, with nanometer Zn WO after cooling4With 30-35 weight Part dehydrated alcohol mixing, ultrasonic disperse 5-10 minute, add acrylic acid trifluoro ethyl ester, dicumyl peroxide is heated to 40- 45 DEG C, stirring reaction 30-40 minute, add TEOS, stir, obtain 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 Lithium metasilicate, ethylenediaminetetraacetic acid, nanometer silver Carrying out mixed and modified so that nanometer silver is evenly distributed on aluminium powder surface, improve the antibiotic property of aluminium powder, Lithium metasilicate improves aluminium powder Resistance to water and anticorrosive property, persistently keep brightness.
Detailed description of the invention
A kind of anticorrosive 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, Lithium metasilicate 0.4, ethylenediaminetetraacetic acid 0.3, nanometer Silver 0.1, nano-hydroxy oxalic acid aluminum solutions 0.2, nanometer Zn WO40.3, acrylic acid trifluoro ethyl ester 0.4, dicumyl peroxide 0.03.
The preparation method of described anticorrosive nano coated with silica modification thin slice aluminium powder pigment, comprises the following steps:
(1) by Lithium metasilicate, ethylenediaminetetraacetic acid, nanometer silver mixing, grind uniformly, with nanometer Zn WO after cooling4With 30 weight portions Dehydrated alcohol mixing, ultrasonic disperse 5 minutes, add acrylic acid trifluoro ethyl ester, dicumyl peroxide is heated to 40 DEG C, stirring React 30 minutes, add TEOS, stir, obtain 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 11.35cm2/ g. aluminium powder in the acid solution of pH=1 can stable existence 30 d and do not produce H2。

Claims (2)

1. an anticorrosive nano coated with silica modification thin slice aluminium powder pigment, it is characterised in that by the raw material of following weight portion Make: aluminum pigment 2-2.3, TEOS 3-3.5, ammonia 4.5-5, dehydrated alcohol are appropriate, distilled water 5-5.5, Lithium metasilicate 0.4-0.5, Ethylenediaminetetraacetic acid 0.3-0.4, nanometer silver 0.1-0.2, nano-hydroxy oxalic acid aluminum solutions 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 anticorrosive nano coated with silica modification thin slice aluminium powder pigment the most according to claim 1, its It is characterised by comprising the following steps:
(1) by Lithium metasilicate, ethylenediaminetetraacetic acid, nanometer silver mixing, grind uniformly, with nanometer Zn WO after cooling4With 30-35 weight Part dehydrated alcohol mixing, ultrasonic disperse 5-10 minute, add acrylic acid trifluoro ethyl ester, dicumyl peroxide is heated to 40- 45 DEG C, stirring reaction 30-40 minute, add TEOS, stir, obtain 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.
CN201610594988.8A 2016-07-27 2016-07-27 A kind of anticorrosive nano coated with silica modification thin slice aluminium powder pigment and preparation method thereof Pending CN106189381A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106590292A (en) * 2016-12-13 2017-04-26 天长市银狐漆业有限公司 Aluminum powder anti-corrosive expansible graphite water-based ultra-thin steel structure fireproof coating and preparation method thereof
CN113816434A (en) * 2021-09-16 2021-12-21 电子科技大学 Method for preparing corrosion-resistant magnetic metal powder by one-step method

Citations (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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 (3)

* Cited by examiner, † Cited by third party
Title
中国工业产品大辞典委员会 编: "《中国工业产品大辞典（第三分册）》", 30 June 1988, 黑龙江科学出版社 *
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", 《湖南大学学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106590292A (en) * 2016-12-13 2017-04-26 天长市银狐漆业有限公司 Aluminum powder anti-corrosive expansible graphite water-based ultra-thin steel structure fireproof coating and preparation method thereof
CN113816434A (en) * 2021-09-16 2021-12-21 电子科技大学 Method for preparing corrosion-resistant magnetic metal powder by one-step method

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Application publication date: 20161207