CN104889387A - Preparation method for high polymer composite nano aluminum powder - Google Patents
Preparation method for high polymer composite nano aluminum powder Download PDFInfo
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- CN104889387A CN104889387A CN201510233646.9A CN201510233646A CN104889387A CN 104889387 A CN104889387 A CN 104889387A CN 201510233646 A CN201510233646 A CN 201510233646A CN 104889387 A CN104889387 A CN 104889387A
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Abstract
aluminum powder, and relates to the technical field of metal materials. The preparation method comprises the following steps: 1, uniformly mixing nano aluminum powder with a coupling agent to obtain modified nano aluminum powder; 2, uniformly mixing the modified nano aluminum powder with an organic solvent and performing ultrasonic dispersion to obtain a nano aluminum powder organic solvent dispersion liquid; 3, adding a coating agent into the dispersion liquid and uniformly stirring; 4, adding an antioxidant into the dispersion liquid, and uniformly stirring; and 5, drying the solvent in the organic solvent dispersion liquid by distillation. The preparation method has the beneficial effects that: the prepared high polymer composite nano aluminum powder can be stored for more than one month in the air at the normal temperature, and has the characteristics of good stability, no dust flying, and the like.
Description
Technical field
The present invention relates to technical field of metal, the preparation method of a kind of high-molecular composite nanometer aluminium powder of specific design.
Background technology
Nanometer aluminium powder is the metal material that a kind of activity is very high.Nanometer aluminium powder is joined in gunpowder, the power of gunpowder can be significantly improved.But freshly prepd pure nanometer aluminium powder, because active high, easily burn in atmosphere, if directly added in the process preparing explosive, very easily causes catastrophic effect.In addition, because nano material is very light, be easy to floating in atmosphere, easy airborne dust when interpolation, causes large danger.Therefore, before use nanometer aluminium powder, must carry out processing early stage, meet security under normal temperature, stability and not airborne dust etc.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, a kind of preparation method that is stable, the not high-molecular composite nanometer aluminium powder of airborne dust is provided.
For achieving the above object, the technical solution used in the present invention is:
A kind of preparation method of high-molecular composite nanometer aluminium powder comprises following steps:
1, nanometer aluminium powder is mixed with coupling agent, obtain modified Nano aluminium powder;
2, modified Nano aluminium powder is mixed with organic solvent, ultrasonic disperse, prepare nanometer aluminium powder dispersion in organic solvent;
3, covering is joined in dispersion liquid, uniform stirring;
4, by antioxidant and join in dispersion liquid, uniform stirring;
5, by the solvent evaporate to dryness in dispersion in organic solvent.
As preferably, the ratio of described nanometer aluminium powder and coupling agent is 1: (1-10000).
As preferably, described coupling agent is the one in silane coupler, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent.More preferred, described coupling agent is one or more in KH-550, KH-560, KH-570, KH-792, A-1160, KH580, KH602, butyl titanate, isopropyl titanate, aluminate coupling agent LS-61.
As preferably, the ratio of nanometer aluminium powder and organic solvent is 1: (1-10000).
As preferably, described organic solvent is varsol, halogenated hydrocarbon solvent, ether solvent, one in ketones solvent, more preferred, described organic solvent is pentane, hexane, cyclohexane, heptane, oxolane, chloroform, carbon tetrachloride, 1, 1-dichloroethanes, 1, 2-dichloroethanes, 1, 1, 1-trichloroethanes, 1, 1, 2-trichloroethanes, 1, 1, 1, 2-tetrachloroethanes, 1, 1, 2, 2-tetrachloroethanes, trichloro-ethylene, n-propyl chloride, 2 cbloropropane isopropyl chloride, 1, 2-dichloropropane, allyl chloride, 1-chlorobutane, Sec-Butyl Chloride, benzinum, acetone, butanone, one or more in benzene.
As preferably, described covering is one or more in paraffin, calcium stearate, zinc stearate, tristerin, epoxy resin, fluorubber, di-n-octyl sebacate.
As preferably, described antioxidant is one or more in dialkyl disulfides trbasic zinc phosphate, antimony dialkyl-dithiocarbamate, 4,4-di-iso-octyldiphenylamines, BHT.
The invention has the beneficial effects as follows: can preserve more than one month in normal temperature, air, there is the features such as good stability, not airborne dust.
Detailed description of the invention
The present invention is further illustrated below.
A preparation method for high-molecular composite nanometer aluminium powder, comprises the following steps:
1, nanometer aluminium powder and coupling agent KH560 are mixed according to mass ratio 10: 1, obtain modified Nano aluminium powder;
2, modified Nano aluminium powder is mixed according to mass ratio 1: 8 with organic solvent-acetone, ultrasonic disperse 10min;
3, calcium stearate is joined in the dispersion liquid of step 2, ultrasonic disperse 10min;
4, antioxidant (dialkyl disulfides trbasic zinc phosphate, 4 is added in the system obtained to step 3, the mixture of 4-di-iso-octyldiphenylamine mass ratio 1: 1), the quality of antioxidant is 0.1% of the gross mass of modified Nano aluminium powder and organic solvent-acetone, ultrasonic disperse 10min;
5, solvent evaporated.
Claims (7)
1. a preparation method for high-molecular composite nanometer aluminium powder, is characterized in that it comprises following steps:
(1), by nanometer aluminium powder mix with coupling agent, obtain modified Nano aluminium powder;
(2), by modified Nano aluminium powder mix with organic solvent, ultrasonic disperse, prepare nanometer aluminium powder dispersion in organic solvent;
(3), by covering join in dispersion liquid, uniform stirring;
(4), by antioxidant and join in dispersion liquid, uniform stirring;
(5), by the solvent evaporate to dryness in dispersion in organic solvent.
2. the preparation method of a kind of high-molecular composite nanometer aluminium powder according to claim 1, is characterized in that: the ratio of nanometer aluminium powder and coupling agent is 1: (1-10000).
3. the preparation method of a kind of high-molecular composite nanometer aluminium powder according to claim 1, it is characterized in that: described coupling agent is the one in silane coupler, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, one or more in preferred KH-550, KH-560, KH-570, KH-792, A-1160, KH580, KH602, butyl titanate, isopropyl titanate, aluminate coupling agent LS-61.
4. the preparation method of a kind of high-molecular composite nanometer aluminium powder according to claim 1, is characterized in that: the ratio of nanometer aluminium powder and organic solvent is 1: (1-10000).
5. the preparation method of a kind of high-molecular composite nanometer aluminium powder according to claim 1, it is characterized in that: described organic solvent is varsol, halogenated hydrocarbon solvent, ether solvent, one in ketones solvent, preferred pentane, hexane, cyclohexane, heptane, oxolane, chloroform, carbon tetrachloride, 1, 1-dichloroethanes, 1, 2-dichloroethanes, 1, 1, 1-trichloroethanes, 1, 1, 2-trichloroethanes, 1, 1, 1, 2-tetrachloroethanes, 1, 1, 2, 2-tetrachloroethanes, trichloro-ethylene, n-propyl chloride, 2 cbloropropane isopropyl chloride, 1, 2-dichloropropane, allyl chloride, 1-chlorobutane, Sec-Butyl Chloride, benzinum, acetone, butanone, one or more in benzene.
6. the preparation method of a kind of high-molecular composite nanometer aluminium powder according to claim 1, is characterized in that: covering is one or more in paraffin, calcium stearate, zinc stearate, tristerin, epoxy resin, fluorubber, di-n-octyl sebacate.
7. the preparation method of a kind of high-molecular composite nanometer aluminium powder according to claim 1, it is characterized in that: antioxidant is dialkyl disulfides trbasic zinc phosphate, antimony dialkyl-dithiocarbamate, 4, one or more in 4-di-iso-octyldiphenylamine, BHT.
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| CN201510233646.9A CN104889387A (en) | 2015-05-11 | 2015-05-11 | Preparation method for high polymer composite nano aluminum powder |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665698A (en) * | 2015-11-06 | 2016-06-15 | 郑州大学 | Method for modifying surfaces of metal aluminum powder with nanometer magnesia-alumina spinel precursor-resin |
| CN107812938A (en) * | 2017-12-04 | 2018-03-20 | 中国工程物理研究院化工材料研究所 | A kind of pre- method of agglomeration of the micro-meter scale of nanometer aluminium powder |
| CN108034293A (en) * | 2017-12-04 | 2018-05-15 | 杨忠华 | A kind of water-based metal baking vanish |
| CN108176851A (en) * | 2018-01-02 | 2018-06-19 | 中国工程物理研究院化工材料研究所 | A kind of metallic aluminium powder coats means of defence |
| CN109293463A (en) * | 2018-12-13 | 2019-02-01 | 中国工程物理研究院化工材料研究所 | A kind of method of aluminium powder surface self-activation |
| CN109332682A (en) * | 2018-12-07 | 2019-02-15 | 泸溪县金源粉体材料有限责任公司 | The process units and production method of stearic acid cladding aluminium powder |
| CN110105157A (en) * | 2019-06-19 | 2019-08-09 | 中国工程物理研究院化工材料研究所 | A kind of microcapsule-type thermite and preparation method thereof |
| CN110605385A (en) * | 2019-10-29 | 2019-12-24 | 广东银纳科技有限公司 | Preparation method of tungsten-based micro-nano composite powder and tungsten-based micro-nano composite powder |
| CN113698262A (en) * | 2021-02-09 | 2021-11-26 | 北京理工大学 | Preparation method of high-detonation-heat-type range-extending safe and environment-friendly firework propellant |
| CN113980495A (en) * | 2021-11-29 | 2022-01-28 | 曲靖华益兴新材料有限公司 | Safe coated aluminum powder for aluminum pigment production and preparation method thereof |
| CN115108873A (en) * | 2022-06-08 | 2022-09-27 | 西安兰科工控技术有限责任公司 | High-activity nano aluminum powder granulation method |
| CN116063134A (en) * | 2022-12-28 | 2023-05-05 | 江苏智仁景行新材料研究院有限公司 | Long-acting passivation aluminum powder for suspension granulation of pressed aluminum-containing frying liquid medicine and preparation method thereof |
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| CN102581272A (en) * | 2012-02-06 | 2012-07-18 | 西安近代化学研究所 | Method for preparing nanometer aluminum composite powder coated with nitro-cotton |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665698A (en) * | 2015-11-06 | 2016-06-15 | 郑州大学 | Method for modifying surfaces of metal aluminum powder with nanometer magnesia-alumina spinel precursor-resin |
| CN105665698B (en) * | 2015-11-06 | 2017-11-10 | 郑州大学 | A kind of method on nano magnalium spinelle presoma resin modified metal aluminium powder surface |
| CN107812938A (en) * | 2017-12-04 | 2018-03-20 | 中国工程物理研究院化工材料研究所 | A kind of pre- method of agglomeration of the micro-meter scale of nanometer aluminium powder |
| CN108034293A (en) * | 2017-12-04 | 2018-05-15 | 杨忠华 | A kind of water-based metal baking vanish |
| CN107812938B (en) * | 2017-12-04 | 2019-08-23 | 中国工程物理研究院化工材料研究所 | A kind of pre- method of agglomeration of the micro-meter scale of nanometer aluminium powder |
| CN108176851A (en) * | 2018-01-02 | 2018-06-19 | 中国工程物理研究院化工材料研究所 | A kind of metallic aluminium powder coats means of defence |
| CN109332682A (en) * | 2018-12-07 | 2019-02-15 | 泸溪县金源粉体材料有限责任公司 | The process units and production method of stearic acid cladding aluminium powder |
| CN109293463A (en) * | 2018-12-13 | 2019-02-01 | 中国工程物理研究院化工材料研究所 | A kind of method of aluminium powder surface self-activation |
| CN110105157A (en) * | 2019-06-19 | 2019-08-09 | 中国工程物理研究院化工材料研究所 | A kind of microcapsule-type thermite and preparation method thereof |
| CN110605385A (en) * | 2019-10-29 | 2019-12-24 | 广东银纳科技有限公司 | Preparation method of tungsten-based micro-nano composite powder and tungsten-based micro-nano composite powder |
| CN113698262A (en) * | 2021-02-09 | 2021-11-26 | 北京理工大学 | Preparation method of high-detonation-heat-type range-extending safe and environment-friendly firework propellant |
| CN113980495A (en) * | 2021-11-29 | 2022-01-28 | 曲靖华益兴新材料有限公司 | Safe coated aluminum powder for aluminum pigment production and preparation method thereof |
| CN115108873A (en) * | 2022-06-08 | 2022-09-27 | 西安兰科工控技术有限责任公司 | High-activity nano aluminum powder granulation method |
| CN116063134A (en) * | 2022-12-28 | 2023-05-05 | 江苏智仁景行新材料研究院有限公司 | Long-acting passivation aluminum powder for suspension granulation of pressed aluminum-containing frying liquid medicine and preparation method thereof |
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