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CN104277596A - Corrosion-resistant aluminum pigment and preparation method thereof - Google Patents

Corrosion-resistant aluminum pigment and preparation method thereof Download PDF

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Publication number
CN104277596A
CN104277596A CN201410509442.9A CN201410509442A CN104277596A CN 104277596 A CN104277596 A CN 104277596A CN 201410509442 A CN201410509442 A CN 201410509442A CN 104277596 A CN104277596 A CN 104277596A
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CN
China
Prior art keywords
parts
ethanol
component
drying
stirred
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410509442.9A
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Chinese (zh)
Inventor
董前年
朱双单
朱芳兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
Original Assignee
HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd filed Critical HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
Priority to CN201410509442.9A priority Critical patent/CN104277596A/en
Publication of CN104277596A publication Critical patent/CN104277596A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/004Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
    • C09D17/006Metal
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08Treatment with low-molecular-weight non-polymer organic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/10Anti-corrosive paints containing metal dust
    • C09D5/103Anti-corrosive paints containing metal dust containing Al

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

The invention discloses a corrosion-resistant aluminum pigment. The invention is characterized in that the aluminum pigment is prepared from the following raw materials in parts by weight: 30-40 parts of micron-scale flake aluminum powder, 1-2 parts of sericite powder, 0.02-0.04 part of diamidohydrazine sebacate, 6-8 parts of ethyl orthosilicate, 0.3-0.5 part of silane coupling agent KH-550, 1-2 parts of palmitic acid, 0.5-1 part of tung oil, 1-2 parts of borneol oil, 0.5-1 part of glycol ether acetate, 3-6 parts of ethyl acetate, 0.02-0.04 part of sucrose fatty acid ester, 0.1-0.2 part of silane coupling agent A-151, 0.01-0.02 part of butylated hydroxyanisole and 1-2 parts of composite assistant. The aluminum pigment has the advantages of favorable corrosion resistance, favorable compatibility with resin and high practicality, and the corrosion of the aluminum pigment can be effectively postponed.

Description

A kind of protection against corrosion aluminium pigment and preparation method thereof
Technical field
The present invention relates to metallic pigment field, be specifically related to a kind of protection against corrosion aluminium pigment and preparation method thereof.
Background technology
Metallic pigment are the metallicss with lamellar morphology, its role is to decorate or special process performance gives goods with a kind of metallic color outward appearance for target or feature.The purposes of metallic pigment can be roughly divided into top coat (coating, ink, powder coating etc.) and plastics.In these purposes, make use of the characteristic that metallic pigment are total: high metal luster, high covering power and even thin layers film can be formed.Aluminium powder, Cu-Zn alloy powder and zinc powder are current most widely used metallic pigment.In industrial application, metallic pigment must possess the performance of higher acid-alkali-corrosive-resisting, could meet the needs of people.
Summary of the invention
The object of this invention is to provide a kind of protection against corrosion aluminium pigment.
The present invention is achieved by the following technical solutions:
A kind of protection against corrosion aluminium pigment, it is made up of the raw material of following weight parts:
Micron-sized flake aluminum 30-40, sericite in powder 1-2, sebacic dihydrazide 0.02-0.04, tetraethoxy 6-8, silane resin acceptor kh-550 0.3-0.5, palmitinic acid 1-2, tung oil 0.5-1, borneol oil 1-2, ethylene glycol ether acetate 0.5-1, ethyl acetate 3-6, sucrose fatty ester 0.02-0.04, silane coupling A-151 0.1-0.2, butylated hydroxy anisole 0.01-0.02, composite assistant 1-2;
Composite assistant is made up of the raw material of following weight part:
Nano-calcium carbonate 30-40, nano silicon 5-10, titanate coupling agent 0.5-1, white mineral oil 1-2, linseed oil 1-2, alizarin assistant 0.5-1, Tenox PG 0.5-1;
The preparation method of composite assistant:
Nano-calcium carbonate and nano silicon are added suitable quantity of water, add titanate coupling agent after mixing, 60-80 DEG C is fully stirred 0.5-1h, adds the mixed solution of white mineral oil, linseed oil, Tenox PG and alizarin assistant after drying, 110-130 DEG C is fully stirred 0.5-1h, to obtain final product.
A preparation method for protection against corrosion aluminium pigment, comprises the following steps:
(1) mixed solvent of ammoniacal liquor, distilled water and ethanol is prepared as component A, with alcohol dilution tetraethoxy as B component; Micron-sized flake aluminum is added in appropriate dehydrated alcohol, add silane coupling A-151, after stirred under nitrogen atmosphere 0.5-1h, with 1-2 drip/rate of addition of s drips component A and B component simultaneously respectively, dropping limit, limit is stirred, dropwise rear 40-45 DEG C of reaction 6-8h, with absolute ethanol washing after suction filtration, vacuum-drying, weight ratio=the 1:2:5 of ammoniacal liquor, distilled water and ethanol in described component A, described ammonia concn is 25%, the weight ratio=1:2 of ethanol and tetraethoxy in described B component;
(2) in reaction vessel, add aluminium powder, sericite in powder and ethanol in proper amount after process in (1), silane resin acceptor kh-550 is added after being uniformly mixed, 60-80 DEG C of heated and stirred back flow reaction 3-6h, rear drying is repeatedly washed with ethanol, add palmitinic acid, tung oil, butylated hydroxy anisole and q. s. toluene again, 30-40 DEG C of stirring reaction 1-2h, repeatedly washs after centrifugal, vacuum-drying;
(3) after mixing with all the other raw materials, 50-60 DEG C is stirred 1-2h, takes out final vacuum and is drying to obtain.
Advantage of the present invention is:
1. by the improvement of recipe optimization, make aluminium pigment have good non-corrosibility, effectively can delay the corrosion of aluminium pigment.
2., by the surface modification of aluminium powder, improve the hydrophobicity of aluminium pigment and the dispersing property in resin, good, practical with the consistency of resin.
Embodiment
Non-limiting examples of the present invention is as follows:
Embodiment 1
A kind of protection against corrosion aluminium pigment, is prepared from by the component raw material of following weight (kg):
Micron-sized flake aluminum 35, sericite in powder 1.5, sebacic dihydrazide 0.03, tetraethoxy 7, silane resin acceptor kh-550 0.4, palmitinic acid 1.5, tung oil 0.8, borneol oil 1.5, ethylene glycol ether acetate 0.7, ethyl acetate 5, sucrose fatty ester 0.03, silane coupling A-151 0.15, butylated hydroxy anisole 0.015, composite assistant 1.5;
Wherein, composite assistant is made up of the raw material of following weight (kg):
Nano-calcium carbonate 35, nano silicon 8, titanate coupling agent 0.8, white mineral oil 1.5, linseed oil 1.5, alizarin assistant 0.8, Tenox PG 0.8;
The preparation method of composite assistant:
Nano-calcium carbonate and nano silicon are added suitable quantity of water, add titanate coupling agent after mixing, 80 DEG C are fully stirred 0.5h, add the mixed solution of white mineral oil, linseed oil, Tenox PG and alizarin assistant after drying, 120 DEG C are fully stirred 0.5h, to obtain final product.
Its preparation method comprises the following steps:
(1) mixed solvent of ammoniacal liquor, distilled water and ethanol is prepared as component A, with alcohol dilution tetraethoxy as B component; Micron-sized flake aluminum is added in appropriate dehydrated alcohol, add silane coupling A-151, after stirred under nitrogen atmosphere 0.5h, drip component A and B component respectively with the rate of addition of 1/s, dropping limit, limit is stirred simultaneously, dropwise rear 40 DEG C of reaction 8h, with absolute ethanol washing after suction filtration, vacuum-drying, the weight ratio=1:2:5 of ammoniacal liquor, distilled water and ethanol in described component A, described ammonia concn is 25%, the weight ratio=1:2 of ethanol and tetraethoxy in described B component;
(2) in reaction vessel, add aluminium powder, sericite in powder and ethanol in proper amount after process in (1), silane resin acceptor kh-550 is added after being uniformly mixed, 80 DEG C of heated and stirred back flow reaction 3h, rear drying is repeatedly washed with ethanol, add palmitinic acid, tung oil, butylated hydroxy anisole and q. s. toluene again, 40 DEG C of stirring reaction 2h, repeatedly wash after centrifugal, vacuum-drying;
(3) mix latter 60 DEG C with all the other raw materials and stir 1h, take out final vacuum and be drying to obtain.
Through inspection, the pigment coated surfacing of aluminium of the present embodiment is smooth, and glossiness is good, and corrosion resistance nature is good.NaOH solution product being put into pH=11 processes, and in 30d, no hydrogen produces.

Claims (2)

1. a protection against corrosion aluminium pigment, is characterized in that it is made up of the raw material of following weight parts:
Micron-sized flake aluminum 30-40, sericite in powder 1-2, sebacic dihydrazide 0.02-0.04, tetraethoxy 6-8, silane resin acceptor kh-550 0.3-0.5, palmitinic acid 1-2, tung oil 0.5-1, borneol oil 1-2, ethylene glycol ether acetate 0.5-1, ethyl acetate 3-6, sucrose fatty ester 0.02-0.04, silane coupling A-151 0.1-0.2, butylated hydroxy anisole 0.01-0.02, composite assistant 1-2;
Described composite assistant is made up of the raw material of following weight part:
Nano-calcium carbonate 30-40, nano silicon 5-10, titanate coupling agent 0.5-1, white mineral oil 1-2, linseed oil 1-2, alizarin assistant 0.5-1, Tenox PG 0.5-1;
The preparation method of described composite assistant is:
Nano-calcium carbonate and nano silicon are added suitable quantity of water, add titanate coupling agent after mixing, 60-80 DEG C is fully stirred 0.5-1h, adds the mixed solution of white mineral oil, linseed oil, Tenox PG and alizarin assistant after drying, 110-130 DEG C is fully stirred 0.5-1h, to obtain final product.
2. the preparation method of protection against corrosion aluminium pigment according to claim 1, is characterized in that, comprise the following steps:
(1) mixed solvent of ammoniacal liquor, distilled water and ethanol is prepared as component A, with alcohol dilution tetraethoxy as B component; Micron-sized flake aluminum is added in appropriate dehydrated alcohol, add silane coupling A-151, after stirred under nitrogen atmosphere 0.5-1h, with 1-2 drip/rate of addition of s drips component A and B component simultaneously respectively, dropping limit, limit is stirred, dropwise rear 40-45 DEG C of reaction 6-8h, with absolute ethanol washing after suction filtration, vacuum-drying, weight ratio=the 1:2:5 of ammoniacal liquor, distilled water and ethanol in described component A, described ammonia concn is 25%, the weight ratio=1:2 of ethanol and tetraethoxy in described B component;
(2) in reaction vessel, add aluminium powder, sericite in powder and ethanol in proper amount after process in (1), silane resin acceptor kh-550 is added after being uniformly mixed, 60-80 DEG C of heated and stirred back flow reaction 3-6h, rear drying is repeatedly washed with ethanol, add palmitinic acid, tung oil, butylated hydroxy anisole and q. s. toluene again, 30-40 DEG C of stirring reaction 1-2h, repeatedly washs after centrifugal, vacuum-drying;
(3) after mixing with all the other raw materials, 50-60 DEG C is stirred 1-2h, takes out final vacuum and is drying to obtain.
CN201410509442.9A 2014-09-29 2014-09-29 Corrosion-resistant aluminum pigment and preparation method thereof Pending CN104277596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410509442.9A CN104277596A (en) 2014-09-29 2014-09-29 Corrosion-resistant aluminum pigment and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410509442.9A CN104277596A (en) 2014-09-29 2014-09-29 Corrosion-resistant aluminum pigment and preparation method thereof

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CN104277596A true CN104277596A (en) 2015-01-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107892872A (en) * 2017-12-29 2018-04-10 常盛杰 One kind has metallic light sensation paint
CN110878178A (en) * 2019-12-18 2020-03-13 河南兴安新型建筑材料有限公司 Nano SiO2Film-coated flaky aluminum pigment and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777653A (en) * 2003-04-18 2006-05-24 默克专利股份有限公司 Antimicrobial pigments.
US20080314284A1 (en) * 2004-12-24 2008-12-25 Bangyin Li Highly Anti-Corrosive Thin Platelet-Like Metal Pigments, Preparing Method of the Same, and Colored Interference Pigments Having Metallic Luster Based on the Same
CN101384674A (en) * 2006-02-14 2009-03-11 东洋铝株式会社 Colored metallic pigment, process for producing the same, and coating composition and cosmetic preparation comprising said colored metallic pigment
CN101541891A (en) * 2006-11-14 2009-09-23 旭化成化学株式会社 Metal pigment composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777653A (en) * 2003-04-18 2006-05-24 默克专利股份有限公司 Antimicrobial pigments.
US20080314284A1 (en) * 2004-12-24 2008-12-25 Bangyin Li Highly Anti-Corrosive Thin Platelet-Like Metal Pigments, Preparing Method of the Same, and Colored Interference Pigments Having Metallic Luster Based on the Same
CN101384674A (en) * 2006-02-14 2009-03-11 东洋铝株式会社 Colored metallic pigment, process for producing the same, and coating composition and cosmetic preparation comprising said colored metallic pigment
CN101541891A (en) * 2006-11-14 2009-09-23 旭化成化学株式会社 Metal pigment composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107892872A (en) * 2017-12-29 2018-04-10 常盛杰 One kind has metallic light sensation paint
CN110878178A (en) * 2019-12-18 2020-03-13 河南兴安新型建筑材料有限公司 Nano SiO2Film-coated flaky aluminum pigment and preparation method thereof

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