CN101265362A - Method for processing function-stable metal organic composite material - Google Patents
Method for processing function-stable metal organic composite material Download PDFInfo
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- CN101265362A CN101265362A CN 200810015785 CN200810015785A CN101265362A CN 101265362 A CN101265362 A CN 101265362A CN 200810015785 CN200810015785 CN 200810015785 CN 200810015785 A CN200810015785 A CN 200810015785A CN 101265362 A CN101265362 A CN 101265362A
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- copper powder
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Abstract
The invention discloses a method for processing a metal organic composite material with stable functions. By adopting the technology of coating micro-nanometer metal powder with a cross-linking agent, the problem that the metal of metal organic substance insoluble in organic substance is deposited and separated from the organic base substance is effectively solved, thus effectively preparing the metal organic composite material with the stable functions. The preparation method comprises the steps of coating micro-nanometer metal powder with the cross-linking agent; thoroughly mixing organic base material with the reinforcing material of the cross-linking agent coated metal powder; and forming. The invention aims to prepare the metal organic composite material with the stable functions.
Description
(1) technical field
The invention belongs to the functional composite material field, particularly relate to the working method of the metal organic composite material of function-stable.
(2) background technology
Organic compounds generally has performances such as relatively poor heat conduction, conduction, but many organic compound have characteristics such as low melting point, the coefficient of expansion are big, good fluidity; Compare with organism, metal has performances such as superior heat conduction, conduction, but common metal has characteristics such as fusing point height, thermal expansivity is little, coordination ability is strong.The matrix material that elemental metals and organic compound are compounded to form as the plastimets of plastics and metal mixed preparation, has regulatable good electricity or hot conductive performance, has been widely used in production, the life.But because the matrix material that elemental metals and organic compound form, metal reinforcements and organic basis material be dissolving mutually not, but atoms metal group is dispersed in the organic basis material, be easy to cause the instability of such material property like this, especially for those metal organic composite materials of under the liquid state of being everlasting, working (as the compound temperature-sensitive wax of copper wax), because the density of metal is greater than organic density, cause easily metal reinforcements from organic basis material precipitate and separate or the part separate, thereby caused the very unstable of such composite property.The very unsettled matrix material of this performance is used for various components and parts, can directly influences the stable performance and the work-ing life of components and parts, give and produce, live and bring loss.Make compound temperature-sensitive wax as direct with copper powder, wax, be used to make the engine temperature sensing device,, very easily cause the instability of temperature sensing device performance because the copper powder in this compound temperature-sensitive wax separates with wax easily, and then influence the performance of engine, even cause engine to be scrapped.
(3) summary of the invention
The working method that the purpose of this invention is to provide a kind of metal organic composite material of stable performance.Adopt bridging agent to coat micro-nano metal powder and strengthen the body material, and utilize bridging agent can with the mutual dissolved characteristic of body material, with metal reinforcements and organic basis material is ingenious combines together, make the functional composite material of stable performance.
The technical scheme that the present invention takes is as follows:
A, strongthener are handled:
(1) chooses bridging agent (as compounds such as pyridines, nicotinic acid class, alcamines, amine, aromatic ring acids, fatty acid, nitrogen heterocycles, amino acidses), with thoroughly dissolving of appropriate solvent (as ethanol, methyl alcohol, acetonitrile, acetone, ether, deoxidized water, chloroform, hexanaphthene, benzene etc.), regulate pH8～10 values with NaOH/HCl, and deoxidation is handled preparation bridging agent solution for standby.
(2) with after micro/nano level metal powder (as copper powder, aluminium powder etc.) usefulness acid (example hydrochloric acid/nitric acid/acetic acid) pickling, filter, after dry a few hours under rare gas element (as the nitrogen/argon gas) protection, an amount of metal powder is soaked in the bridging agent solution of step (1) preparation; Perhaps in the process for preparing metal-powder with micro-nano pulverizer, directly bridging agent steam is fed in the micro-nano pulverizer; Promptly prepared the metal powder strongthener that bridging agent coats after the drying.
B, with body material, as organic compound such as wax, Vaseline, silicone oil, polyolefine, be controlled at liquid state; Under whipped state, in the metal powder material that the bridging agent that adding prepares to steps A in right amount coats, be fully mixed to evenly, thereby prepared liquid metal powder organic composite material.
C, room temperature are shaped.For being the solid body material under the room temperature, utilize mould to make difform solid composite material.
Indicate: must under the professional instructs, operate, otherwise may cause dangerous consequence.
(4) description of drawings
The process flow sheet of preparation function-stable metal organic composite material.
1 is the preparation bridging agent among Fig. 1, the 2nd, and the dry metal powder of pickling also is soaked in the bridging agent solution, and the 3rd, the body material organic compound is joined in the metallic substance that bridging agent coats (2+1), the 4th, thorough mixing is even, and the 5th, room temperature is shaped in the mould.
(5) embodiment
Because metal mixes the matrix material that the back forms with organism, because metal also is not dissolved in organism, like this metal easily from organism precipitate and separate come out such matrix material of especially working under the liquid state, in actual applications, be easy to cause the unstable properties of its goods.Bridging agent both can be realized effectively coating to the metal powder strongthener, can dissolve mutually with the organism matrix again.After in metal organic composite material, adding bridging agent, realized that by bridging agent metal strengthens the ligation of body and organic matrix, thereby solved the precipitate and separate problem of metal powder in organic basis material, and then prepared the metal organic composite material of stable performance.
Take by weighing the 16g o-phenanthroline, be dissolved in fully in the 100ml dehydrated alcohol, preparation o-phenanthroline solution; Take by weighing 30g micro/nano level copper powder, with 3mol/L salt acid soak 24h, the hydrochloric acid consumption was to soak the copper powder filtration that is as the criterion.Under nitrogen protection, the copper powder 6h after the finish-drying pickling; Under whipped state, the dried copper powder of pickling is soaked in the o-phenanthroline solution, and regulates the pH value between 8-10 with NaOH/HCl, behind the 12h, 160 ℃ of dry 15h prepare bridging clad copper powder body material; Take by weighing 20g C
32Alkane is heated to 90 ℃, behind the maintenance 2h, under the whipped state, adds the copper powder after coating rapidly, continues stirring 13h; Cooling is shaped, and can make copper wax matrix material.
Take by weighing 30g micro/nano level copper powder, with 3mo l/L salt acid soak 24h; Filter; Under nitrogen protection, the copper powder 6h after the finish-drying pickling; Under whipped state, the dried copper powder of pickling is soaked in 1, in the 3-propylene diamine solution, 1,3-propylene diamine solution was as the criterion to soak copper powder.And regulating the pH value between 8-10 with NaOH/HCl, behind the 12h, 125 ℃ of dry 16h prepare bridging clad copper powder body material; Take by weighing 20g C
32Alkane is heated to 90 ℃, behind the maintenance 2h, under the whipped state, adds the copper powder after coating rapidly, continues stirring 13h; Cooling is shaped, and can make copper wax matrix material.
Under nitrogen protection, with 2mol/L nitric acid treatment copper material, soaked copper material with nitric acid dosage and be as the criterion, to clean with deoxidized water, dry back is standby; (amount of substance is than=1: 1) mixing steam to feed ammonia-quadrol in micro-nano pulverizer, behind the 1min, add the dried copper material of pickling in pulverizer, copper material is pulverized and is finished, stop after continuing to feed bridging coating steam 0.5min, prepare bridging and coat the copper powder material; Under whipped state, directly join in the solution of Microcrystalline Wax (Microwax) of the liquid 2h of maintenance coating the copper powder material in right amount, mix 13h; Cooling is shaped, and can make copper wax matrix material.
Take by weighing oxine, be dissolved in fully in the dehydrated alcohol, be as the criterion with dissolving, and regulate pH=7-9 with NaOH/HCl, anaerobic control is preparation oxine bridging coating solution down; Under argon shield, soak aluminium 12h with acetic acid, the acetic acid amount was soaked aluminium and was as the criterion, and cleaned with deoxidized water, and dry back is standby; Feed bridging coating steam in micro-nano pulverizer, behind the 1min, add the dried aluminium of pickling in pulverizer, aluminium is pulverized and is finished, and continues to stop behind the feeding coating steam 1min, prepares bridging metallized aluminum powder material; Under whipped state, an amount of bridging metallized aluminum material is directly joined in the silicone oil, after continuing to mix 6h, can make aluminium silicone oil matrix material.
Claims (5)
1, a kind of working method of function-stable metal organic composite material, main raw is made up of metal reinforcements, bridging agent and basic material, it is characterized in that: bridging agent clad metal powder, as copper, aluminium, pass through bridging agent, dissolve mutually with organic basis material again, make metal reinforcements and organic basis material that effective bridge linking effect take place, form the metal organic composite material of function-stable.
2, the working method of a kind of function-stable metal organic composite material according to claim 1 is characterized in that taking by weighing the 16g o-phenanthroline, is dissolved in fully in the 100ml dehydrated alcohol, makes o-phenanthroline solution; Take by weighing 30g micro/nano level copper powder, with 3mol/L salt acid soak 24h, the hydrochloric acid consumption was as the criterion to soak copper powder, filter, and under nitrogen protection, the copper powder 6h after the finish-drying pickling; Under whipped state, the dried copper powder of pickling is soaked in the o-phenanthroline solution, and regulates the pH value between 8-10 with NaOH/HCl, behind the 12h, 160 ℃ of dry 15h prepare bridging clad copper powder body material; Take by weighing 20g C
32Alkane is heated to 90 ℃, behind the maintenance 2h, under the whipped state, adds the copper powder after coating rapidly, continues stirring 13h; Cooling is shaped, and can make copper wax matrix material.
3, the working method of a kind of function-stable metal organic composite material according to claim 1 is characterized in that taking by weighing 30g micro/nano level copper powder, with 3mol/L salt acid soak 24h; Filter; Under nitrogen protection, the copper powder 6h after the finish-drying pickling; Under whipped state, the dried copper powder of pickling is soaked in 1, in the 3-propylene diamine solution, 1,3-propylene diamine solution was as the criterion to soak copper powder, and regulated the pH value between 8-10 with NaOH/HCl, behind the 12h, 125 ℃ of dry 16h prepare bridging clad copper powder body material; Take by weighing 20g C
32Alkane is heated to 90 ℃, behind the maintenance 2h, under the whipped state, adds the copper powder after coating rapidly, continues stirring 13h; Cooling is shaped, and can make copper wax matrix material.
4, the working method of a kind of function-stable metal organic composite material according to claim 1 is characterized in that under nitrogen protection, with 2mol/L nitric acid treatment copper material, soaks copper material with nitric acid and is as the criterion, and cleans with deoxidized water, and dry back is standby; (amount of substance is than=1: 1) mixing steam to feed ammonia-quadrol in micro-nano pulverizer, behind the 1min, add the dried copper material of pickling in pulverizer, copper material is pulverized and is finished, stop after continuing to feed bridging coating steam 0.5min, prepare bridging and coat the copper powder material; Under whipped state, directly join in the solution of Microcrystalline Wax of the liquid 2h of maintenance coating the copper powder material in right amount, mix 13h; Cooling is shaped, and can make copper wax matrix material.
5, according to the working method of claim 1 function-stable metal organic composite material, it is characterized in that taking by weighing oxine, be dissolved in fully in the dehydrated alcohol, be as the criterion with dissolving, and regulate pH=7-9 with NaOH/HCl, anaerobic control is preparation oxine bridging coating solution down; Under argon shield, soak aluminium 12h with acetic acid, the immersion of acetic acid amount covers aluminium and is as the criterion, and cleans with deoxidized water, and dry back is standby; Feed bridging coating steam in micro-nano pulverizer, behind the 1min, add the dried aluminium of pickling in pulverizer, aluminium is pulverized and is finished, and continues to prepare bridging metallized aluminum powder material by stopping behind the coating steam 1min; Under whipped state, an amount of bridging metallized aluminum material is directly joined in the silicone oil, after continuing to mix 6h, can make aluminium silicone oil matrix material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805522A (en) * | 2010-03-31 | 2010-08-18 | 孙玉希 | Method for preparing copper wax heat sensitive composite material with high heat stability |
| CN102166649A (en) * | 2011-01-29 | 2011-08-31 | 浙江工业大学 | Metal/polymer thermosensitive composite |
| CN104974555A (en) * | 2015-06-27 | 2015-10-14 | 铜陵铜基粉体科技有限公司 | Spherical copper powder with corrosion resistance and excellent thermal stability, and preparation method thereof |
| CN105964523A (en) * | 2016-05-21 | 2016-09-28 | 中山市绿浪助剂有限公司 | Synthetic process of metal organic matter high in stability and resistant to high temperature |
| CN115667407A (en) * | 2020-05-22 | 2023-01-31 | 信越化学工业株式会社 | Silicone composition with high thermal conductivity |
-
2008
- 2008-05-07 CN CN 200810015785 patent/CN101265362A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805522A (en) * | 2010-03-31 | 2010-08-18 | 孙玉希 | Method for preparing copper wax heat sensitive composite material with high heat stability |
| CN102166649A (en) * | 2011-01-29 | 2011-08-31 | 浙江工业大学 | Metal/polymer thermosensitive composite |
| CN102166649B (en) * | 2011-01-29 | 2012-11-21 | 浙江工业大学 | Metal/polymer thermosensitive composite |
| CN104974555A (en) * | 2015-06-27 | 2015-10-14 | 铜陵铜基粉体科技有限公司 | Spherical copper powder with corrosion resistance and excellent thermal stability, and preparation method thereof |
| CN105964523A (en) * | 2016-05-21 | 2016-09-28 | 中山市绿浪助剂有限公司 | Synthetic process of metal organic matter high in stability and resistant to high temperature |
| CN115667407A (en) * | 2020-05-22 | 2023-01-31 | 信越化学工业株式会社 | Silicone composition with high thermal conductivity |
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Open date: 20080917 |