CN104341801B - A kind of fireproof aluminium pigment and preparation method thereof - Google Patents
A kind of fireproof aluminium pigment and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of fireproof aluminium pigment, it is characterized in that being made up of the raw material of following weight parts: micron-sized flake aluminum 30-40, tetraethoxy 6-8, silane resin acceptor kh-550? 0.3-0.5, Graphite Powder 99 0.2-0.4, dimethyl silicone oil 0.5-1, clorafin 1-2, Yelkin TTS 1-2, microcrystalline wax 0.1-0.2, aluminium triphosphate 0.1-0.2, N-BUTYL ACETATE 3-6, Octyl adipate 1-2, styracin 0.2-0.4, silane coupling A-151? 0.1-0.2, cocoanut fatty acid diethanolamide 0.02-0.04, composite assistant 1-2.Aluminium pigment fire retardant performance of the present invention is good, and security is high, good, practical with the consistency of organic resin.
Description
Technical field
The present invention relates to metallic pigment field, be specifically related to a kind of fireproof 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.
Summary of the invention
The object of this invention is to provide a kind of fireproof aluminium pigment.
The present invention is achieved by the following technical solutions:
A kind of fireproof aluminium pigment, it is made up of the raw material of following weight parts:
Micron-sized flake aluminum 30-40, tetraethoxy 6-8, silane resin acceptor kh-550 0.3-0.5, Graphite Powder 99 0.2-0.4, dimethyl silicone oil 0.5-1, clorafin 1-2, Yelkin TTS 1-2, microcrystalline wax 0.1-0.2, aluminium triphosphate 0.1-0.2, N-BUTYL ACETATE 3-6, Octyl adipate 1-2, styracin 0.2-0.4, silane coupling A-1510.1-0.2, cocoanut fatty acid diethanolamide 0.02-0.04, 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 fireproof 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, Graphite Powder 99 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 Yelkin TTS, microcrystalline wax 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 fire-retardant fireproof performance, reduce fire hazard coefficient, high security is provided;
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 fireproof aluminium pigment, is prepared from by the component raw material of following weight (kg):
Micron-sized flake aluminum 35, tetraethoxy 7, silane resin acceptor kh-550 0.4, Graphite Powder 99 0.3, dimethyl silicone oil 0.7, clorafin 1.5, Yelkin TTS 1.5, microcrystalline wax 0.15, aluminium triphosphate 0.15, N-BUTYL ACETATE 5, Octyl adipate 1.5, styracin 0.3, silane coupling A-1510.15, cocoanut fatty acid diethanolamide 0.03, 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, Graphite Powder 99 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 Yelkin TTS, microcrystalline wax and q. s. toluene again, 30 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 feel is good.
Claims (2)
1. a fireproof aluminium pigment, is characterized in that it is made up of the raw material of following weight parts:
Micron-sized flake aluminum 30-40, tetraethoxy 6-8, silane resin acceptor kh-550 0.3-0.5, Graphite Powder 99 0.2-0.4, dimethyl silicone oil 0.5-1, clorafin 1-2, Yelkin TTS 1-2, microcrystalline wax 0.1-0.2, aluminium triphosphate 0.1-0.2, N-BUTYL ACETATE 3-6, Octyl adipate 1-2, styracin 0.2-0.4, silane coupling A-1510.1-0.2, cocoanut fatty acid diethanolamide 0.02-0.04, 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 fireproof 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, Graphite Powder 99 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 Yelkin TTS, microcrystalline wax 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.
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| CN201410509637.3A CN104341801B (en) | 2014-09-29 | 2014-09-29 | A kind of fireproof aluminium pigment and preparation method thereof |
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| CN105482515A (en) * | 2015-12-15 | 2016-04-13 | 常熟市环虹化工颜料厂 | Low-reflectivity aluminum pigment |
| CN105647244A (en) * | 2016-01-29 | 2016-06-08 | 佛山市聚成生化技术研发有限公司 | Porous aluminum powder pigment for outer wall and preparation method thereof |
| CN106883457A (en) * | 2017-02-14 | 2017-06-23 | 上海大学 | It is a kind of to mould with the preparation method of flame retardant type aluminium pigment |
| CN106928492A (en) * | 2017-03-15 | 2017-07-07 | 上海明园新材料科技有限公司 | It is a kind of to mould with the preparation method of flame retardant type aluminium pigment |
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| CN102476183A (en) * | 2010-11-29 | 2012-05-30 | 合肥旭阳铝颜料有限公司 | Preparation method for flake-like aluminium powder pigment |
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| JPS63189471A (en) * | 1987-01-31 | 1988-08-05 | Pentel Kk | Readily water-dispersible powder |
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| CN102476183A (en) * | 2010-11-29 | 2012-05-30 | 合肥旭阳铝颜料有限公司 | Preparation method for flake-like aluminium powder pigment |
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