CN104312221B - A kind of fire resistant magnetic aluminium pigment and preparation method thereof - Google Patents
A kind of fire resistant magnetic aluminium pigment and preparation method thereof Download PDFInfo
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- CN104312221B CN104312221B CN201410580604.8A CN201410580604A CN104312221B CN 104312221 B CN104312221 B CN 104312221B CN 201410580604 A CN201410580604 A CN 201410580604A CN 104312221 B CN104312221 B CN 104312221B
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Abstract
The invention discloses a kind of fire resistant magnetic aluminium pigment and preparation method thereof, it is made up of the raw material of following weight part: modified aluminium powder 80-100, naphthene base crude oil 100-150, propoxylation stearyl alcohol benzoic ether 4-8, Trilinoleyl glyceride 3-6, barium metaborate 30-40, ethyl cellulose 5-10, zinc sulphide 12-18, tritolyl phosphate 5-10, hexagonal boron nitride 15-25, Dioctyl Sodium Sulfosuccinate 2-5, polyamide wax micropowder 4.5-6.5,2,6 di tert butyl 4 methyl phenol 2-3, ethyl p-hydroxybenzoate 1.5-2.5.The magnetic aluminum pigment Heat stability is good that the present invention obtains, high temperature resistant, nondiscoloration, its resistance to temp effect can reach 300 DEG C or more, also have well acidproof, alkaline-resisting, light absorptive is strong, the feature such as ageing-resistant, can be widely used in the product that application is at high temperature manufactured.
Description
Technical field
A kind of fire resistant magnetic aluminium of the present invention pigment and preparation method thereof, belongs to aluminium pigment art.
Background technology
Aluminium pigment is scale like powder, compared with other pigment, has and hides unique performance such as ground, physical shielding, contrast effect, floating and flash metal luster effect, be widely used in the industries such as pigment, coating, ink, paint.In recent years along with improving constantly of China's economic level and developing rapidly of modern coatings industry, the quality of people to decoration has darker understanding and higher requirement, therefore, the demand of aluminium pigment also strengthens gradually, also further strict to the requirement of its performance.Not only require that it has unique 3D stereoeffect, also require that there is good resistance to elevated temperatures, but aluminium pigment in the market does not generally have magnetic, can not align according to the direction in magnetic field under magnetic field, when good stereo artistic effect can not be formed after coating drying, also there is the shortcoming of high thermal resistance difference simultaneously, therefore, be badly in need of developing a kind of novel fire resistant magnetic aluminium pigment, to meet the need of market.
Summary of the invention
The object of the invention is to provide a kind of fire resistant magnetic aluminium pigment and preparation method thereof.
For achieving the above object, the present invention adopts following technical scheme:
A kind of fire resistant magnetic aluminium pigment, be made up of the raw material of following weight part: modified aluminium powder 80-100, naphthene base crude oil 100-150, propoxylation stearyl alcohol benzoic ether 4-8, Trilinoleyl glyceride 3-6, barium metaborate 30-40, ethyl cellulose 5-10, zinc sulphide 12-18, tritolyl phosphate 5-10, hexagonal boron nitride 15-25, Dioctyl Sodium Sulfosuccinate 2-5, polyamide wax micropowder 4.5-6.5,2,6 di tert butyl 4 methyl phenol 2-3, ethyl p-hydroxybenzoate 1.5-2.5;
The preparation method of described modified aluminium powder is as follows: a, in mass fraction, getting 100 parts of micron-size spherical aluminium powders adds in ball mill, add 200-300 part distilled water, 4-8 part sodium lignosulfonate, 2.5-4.5 part citric acid, 3-6 part trolamine, 2-4 part perfluoro octyl sulfonic acid tetraethyl ammonium, 1-2 part tallow diamines two oleate more successively, 30-50r/min ball milling 24-48h, ratio of grinding media to material is 20-30:1, and ball milling terminates rear discharging, leaves standstill, pump supernatant liquor, 70-80 DEG C of vacuum-drying; B, get 20-30 part ZnCl
2, 20-30 part BaCl
22H
2o, 30-40 part NiCl
26H
2o, 60-70 part FeCl
36H
2o mixes, add in 400-500 part distilled water, be stirred to and dissolve completely, then add in the reactor of the aluminium powder that step a process is housed, heating in water bath is to 70-80 DEG C and constant temperature, drip 25% ammoniacal liquor regulator solution PH=8-10 again, stir 2-3h, suction filtration, filter cake is washed with distilled water to neutrality, 60-70 DEG C of vacuum-drying is placed on 450-550 DEG C of roasting temperature 2-3h, naturally cools to room temperature; C, the aluminium powder that step b process obtains is scattered in 250-350 part dehydrated alcohol, add 2.5-4.5 part 25% ammoniacal liquor and 8-12 part distilled water again, the mixing solutions of the drop rate instillation 12-18 part tetraethoxy by 0.5-1 drop/sec at 40-50 DEG C after stirring, 8-14 part vinyltriethoxysilane and 15-25 part dehydrated alcohol composition, stirring reaction 3-6h, suction filtration, with absolute ethanol washing product three times, 55-65 DEG C of vacuum-drying, obtains modified aluminium powder.
The Ferrite Material that above-mentioned modified aluminium powder stone is made up of ferric oxide, zinc oxide, nickel oxide, barium oxide at the Surface coating of flake aluminum particle sol-gel method, flake aluminum is made to have magnetic, there is good directional property and arrangement property, when being just fixed up according to certain mode after coating drying, form solid pattern.
A preparation method for fire resistant magnetic aluminium pigment, comprises the following steps:
(1) get modified aluminium powder, naphthene base crude oil, zinc sulphide, propoxylation stearyl alcohol benzoic ether, Trilinoleyl glyceride together drop in dispersion machine, 350-450r/min stirs 3-5h, is stirred rear press filtration, vacuum-drying, obtains compound A;
(2) getting barium metaborate, hexagonal boron nitride, Dioctyl Sodium Sulfosuccinate, tritolyl phosphate, polyamide wax micropowder together adds in high-speed kneading machine, and 45-65r/min stirs 2-3h, takes out vacuum-drying, obtains compound B;
(3) compound A obtained above, compound B are mixed with remaining raw material, packaging gets product.
Beneficial effect of the present invention:
The magnetic aluminum pigment Heat stability is good that the present invention obtains, high temperature resistant, nondiscoloration, its resistance to temp effect can reach 300 DEG C or more, also have well acidproof, alkaline-resisting, light absorptive is strong, the feature such as ageing-resistant, can be widely used in the product that application is at high temperature manufactured.
Embodiment
Embodiment
A kind of fire resistant magnetic aluminium pigment, be made up of the raw material of following weight part: modified aluminium powder 100, naphthene base crude oil 120, propoxylation stearyl alcohol benzoic ether 6, Trilinoleyl glyceride 4, barium metaborate 35, ethyl cellulose 8, zinc sulphide 16, tritolyl phosphate 8, hexagonal boron nitride 20, Dioctyl Sodium Sulfosuccinate 3, polyamide wax micropowder 5.5,2,6 di tert butyl 4 methyl phenol 2.5, ethyl p-hydroxybenzoate 2;
The preparation method of described modified aluminium powder is as follows: a, in mass fraction, getting 100 parts of micron-size spherical aluminium powders adds in ball mill, add 240 parts of distilled water, 5 parts of sodium lignosulfonates, 3.5 parts of citric acids, 4 parts of trolamines, 3 parts of perfluoro octyl sulfonic acid tetraethyl ammoniums, 1.5 parts of tallow diamines two oleates more successively, 40r/min ball milling 36h, ratio of grinding media to material is 25:1, and ball milling terminates rear discharging, leaves standstill, pump supernatant liquor, 80 DEG C of vacuum-dryings; B, get 26 parts of ZnCl
2, 24 parts of BaCl
22H
2o, 35 parts of NiCl
26H
2o, 66 parts of FeCl
36H
2o mixes, add in 460 parts of distilled water, be stirred to and dissolve completely, then add in the reactor of the aluminium powder that step a process is housed, heating in water bath to 75 DEG C constant temperature, drip 25% ammoniacal liquor regulator solution PH=9.5 again, stir 2h, suction filtration, filter cake is washed with distilled water to neutrality, 70 DEG C of vacuum-dryings are placed on 480 DEG C of roasting temperature 3h, naturally cool to room temperature; C, the aluminium powder that step b process obtains is scattered in 300 parts of dehydrated alcohols, add 3 part of 25% ammoniacal liquor and 10 parts of distilled water again, at 45 DEG C, instill the mixing solutions of 13 parts of tetraethoxys, 11 parts of vinyltriethoxysilanes and 18 parts of dehydrated alcohol compositions by the drop rate of 0.6 drop/sec after stirring, stirring reaction 4h, suction filtration, with absolute ethanol washing product three times, 60 DEG C of vacuum-dryings, obtain modified aluminium powder.
A preparation method for fire resistant magnetic aluminium pigment, comprises the following steps:
(1) get modified aluminium powder, naphthene base crude oil, zinc sulphide, propoxylation stearyl alcohol benzoic ether, Trilinoleyl glyceride together drop in dispersion machine, 400r/min stirs 4h, is stirred rear press filtration, vacuum-drying, obtains compound A;
(2) get barium metaborate, hexagonal boron nitride, Dioctyl Sodium Sulfosuccinate, tritolyl phosphate, polyamide wax micropowder together to add in kneader, 55r/min stirs 2h, takes out vacuum-drying, obtains compound B;
(3) compound A obtained above, compound B are mixed with remaining raw material, packaging gets product.
Each performance test results of magnetic aluminum pigment prepared by above-described embodiment is as shown in table 1
| magnetic | can be sucked up by magnet, add magnetic stripe absorption again by spraying, silk-screen, can stereoeffect be produced |
| chemistry resistance | water-fast, sour, alkali, organic solvent |
| high thermal resistance | 300 DEG C |
| optical stability | stable |
| toxicity | nontoxic; To human body skin and mucous membrane non-stimulated, do not cause allergic reaction. |
Claims (2)
1. a fire resistant magnetic aluminium pigment, it is characterized in that, be made up of the raw material of following weight part: modified aluminium powder 80-100, naphthene base crude oil 100-150, propoxylation stearyl alcohol benzoic ether 4-8, Trilinoleyl glyceride 3-6, barium metaborate 30-40, ethyl cellulose 5-10, zinc sulphide 12-18, tritolyl phosphate 5-10, hexagonal boron nitride 15-25, Dioctyl Sodium Sulfosuccinate 2-5, polyamide wax micropowder 4.5-6.5,2,6 di tert butyl 4 methyl phenol 2-3, ethyl p-hydroxybenzoate 1.5-2.5;
The preparation method of described modified aluminium powder is as follows: a, in mass fraction, getting 100 parts of micron-size spherical aluminium powders adds in ball mill, add 200-300 part distilled water, 4-8 part sodium lignosulfonate, 2.5-4.5 part citric acid, 3-6 part trolamine, 2-4 part perfluoro octyl sulfonic acid tetraethyl ammonium, 1-2 part tallow diamines two oleate more successively, 30-50r/min ball milling 24-48h, ratio of grinding media to material is 20-30:1, and ball milling terminates rear discharging, leaves standstill, pump supernatant liquor, 70-80 DEG C of vacuum-drying; B, get 20-30 part ZnCl
2, 20-30 part BaCl
22H
2o, 30-40 part NiCl
26H
2o, 60-70 part FeCl
36H
2o mixes, add in 400-500 part distilled water, be stirred to and dissolve completely, then add in the reactor of the aluminium powder that step a process is housed, heating in water bath is to 70-80 DEG C and constant temperature, drip 25% ammoniacal liquor regulator solution pH=8-10 again, stir 2-3h, suction filtration, filter cake is washed with distilled water to neutrality, 60-70 DEG C of vacuum-drying is placed on 450-550 DEG C of roasting temperature 2-3h, naturally cools to room temperature; C, the aluminium powder that step b process obtains is scattered in 250-350 part dehydrated alcohol, add 2.5-4.5 part 25% ammoniacal liquor and 8-12 part distilled water again, the mixing solutions of the drop rate instillation 12-18 part tetraethoxy by 0.5-1 drop/sec at 40-50 DEG C after stirring, 8-14 part vinyltriethoxysilane and 15-25 part dehydrated alcohol composition, stirring reaction 3-6h, suction filtration, with absolute ethanol washing product three times, 55-65 DEG C of vacuum-drying, obtains modified aluminium powder.
2. the preparation method of fire resistant magnetic aluminium pigment according to claim 1, is characterized in that comprising the following steps:
(1) get modified aluminium powder, naphthene base crude oil, zinc sulphide, propoxylation stearyl alcohol benzoic ether, Trilinoleyl glyceride together drop in dispersion machine, 350-450r/min stirs 3-5h, is stirred rear press filtration, vacuum-drying, obtains compound A;
(2) get barium metaborate, hexagonal boron nitride, Dioctyl Sodium Sulfosuccinate, tritolyl phosphate, polyamide wax micropowder together to add in kneader, 45-65r/min stirs 2-3h, takes out vacuum-drying, obtains compound B;
(3) compound A obtained above, compound B are mixed with ethyl cellulose, 2,6 di tert butyl 4 methyl phenol, ethyl p-hydroxybenzoate, packaging gets product.
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| CN104312221B true CN104312221B (en) | 2016-03-02 |
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| CN105057658B (en) * | 2015-07-20 | 2017-06-20 | 常州市武进晨光金属涂料有限公司 | Flake aluminum of surface coating modification film and preparation method thereof |
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2014
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| JP2001167637A (en) * | 1999-12-10 | 2001-06-22 | Catalysts & Chem Ind Co Ltd | Transparent-film-formed substrate, coating solution for formation of transparent film, and display device |
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