CN105632650A - Novel electric connection material preparation process - Google Patents
Novel electric connection material preparation process Download PDFInfo
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- CN105632650A CN105632650A CN201410595473.0A CN201410595473A CN105632650A CN 105632650 A CN105632650 A CN 105632650A CN 201410595473 A CN201410595473 A CN 201410595473A CN 105632650 A CN105632650 A CN 105632650A
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Abstract
The invention discloses a novel electric connection material preparation process comprising a step 1 of preparing spherical conductive powder with a glassy-state film; a step 2 of preparing lamellar conductive powder; a step 3 of weighing various materials according to a novel electric connection material formula; a step 4 of placing silicone oil, the spherical conductive powder with a glassy-state film, and the lamellar conductive powder which are weighed in the step 3 in a stirrer to be mixed uniformly; a step 5 treating the uniformly-mixed mixture for one to three hours at the temperature from 100 to 250 degrees centigrade; a step 6 of cooling the mixture to the room temperature; and a step 7 of adding an antioxidant and a stabilizer weighted in the step 3 and grinding the mixture on a four-roll machine. The novel electric connection material prepared by the preparation process is resistant to high temperature and corrosion, good in conductivity, long in service life, and low in production cost.
Description
Technical field
The present invention relates to conducing composite material processing technology, be specifically related to a kind of nonmetal Novel electric connecting material preparation technology.
Background technology
Electric conductor contact surface and contact face, no matter how bright and clean processing is, from fine structure, it is all rough, actually active contact surface only accounts for the sub-fraction of whole contact surface, and various metals also can generate layer of oxide layer in atmosphere, makes effective contact area less. Metallic fine particle in Novel electric connecting material is filled in the gap of contact surface, it is equal to and increases conductive contact surfaces, metallic fine particle is under compression stress or bolt clipping forcee effect, metal oxide layer on contact surface can be crushed, contact resistance is made to decline, corresponding joint temperature rise also reduces, and makes joint life. Novel electric connecting material, is for anti-erosion, the composite saving power consumption on a kind of contact surface being coated in Power tabs. Firing condition is had higher requirement by the manufacture method of current Novel electric connecting material, and production cost is higher.
Summary of the invention
The purpose of the present invention is that and overcomes above-mentioned deficiency, it is provided that a kind of Novel electric connecting material preparation technology. For achieving the above object, the technical scheme is that a kind of Novel electric connecting material preparation technology, this step of preparation process is:
Step one: preparation has the spherical conductive powder of glassy state thin film, has the spherical conductive powder of glassy state thin film in the method preparation that particle diameter is vapour deposition glassy state thin film on 0.1-2 ��m of spherical copper powder;
Step 2: preparation flake conducting powder, adopt wet type displacement method, by copper powder and stannum displacement plating solution contacts, make the copper dissolution in copper powder, the replaced precipitation of stannum simultaneously, in the laminar conducting powder made, residual copper content is less than 25%, and flake conducting powder particle diameter is less than 5 ��m, and flake conduction powder mean aspect ratio is the flat of 1 15;
Step 3: weigh each raw material by a kind of Novel electric connecting material formula, a kind of Novel electric connecting material formula is silicone oil 100, have the spherical conductive powder 0.5 20 of glassy state thin film, flake conducting powder 0.5 20, antioxidant 02, stabilizer 02;
Step 4: silicone oil step 3 weighed, the spherical conductive powder with glassy state thin film, flake conducting powder are put in agitator and mixed, and stirring is reported as 20-25 rev/min, and after stirring 20 points, rotating speed is upgraded to 40 60 revs/min, until stirring;
Step 5: the compound of step 4 mix homogeneously is processed 13 hours under 100 250 DEG C of temperature conditions;
Step 6: be cooled to room temperature after process;
Step 7: add the load weighted antioxidant of step 3, stabilizer after cooling, then grind 3-6 time on four roller machines, novel point connecting material can be obtained.
Further prioritization scheme is, in described step 3, a kind of Novel electric connecting material formula is silicone oil 100, has the spherical conductive powder 0.5 15 of glassy state thin film, laminar conducting powder 0.5 15, antioxidant 12, stabilizer 12.
Further prioritization scheme is, in described step 5, compound processes 2 hours under 150 temperature conditions.
Further prioritization scheme is, adds the load weighted antioxidant of step 3, stabilizer, then grind 5 times on four roller machines after the cooling of described step 7.
Further prioritization scheme is, described antioxidant is ferrum oxide or ferric oxalate.
Further prioritization scheme is, described stabilizer is ethylene glycol or glycerol.
Further prioritization scheme is, described silicone oil is dimethicone.
The advantage of the Novel electric connecting material that this invention is made is: corrosion-and high-temp-resistant, conducts electricity very well, and long service life, production cost is low.
Detailed description of the invention
Below in conjunction with specific embodiment, introduce the present invention further. These examples of implementation are not used in restriction the scope of the present invention.
Embodiment 1
A kind of Novel electric connecting material preparation technology, this step of preparation process is:
Step one: preparation has the spherical conductive powder of glassy state thin film, has the spherical conductive powder of glassy state thin film in the method preparation that particle diameter is vapour deposition glassy state thin film on 0.1-2 ��m of spherical copper powder;
Step 2: preparation flake conducting powder, adopt wet type displacement method, by copper powder and stannum displacement plating solution contacts, make the copper dissolution in copper powder, the replaced precipitation of stannum simultaneously, in the laminar conducting powder made, residual copper content is less than 25%, and flake conducting powder particle diameter is less than 5 ��m, and flake conduction powder mean aspect ratio is the flat of 1 15;
Step 3: weigh each raw material by a kind of Novel electric connecting material formula, a kind of Novel electric connecting material formula is silicone oil 100, have the spherical conductive powder 0.5 20 of glassy state thin film, flake conducting powder 0.5 20, ferrum oxide 02, ethylene glycol 02;
Step 4: silicone oil step 3 weighed, the spherical conductive powder with glassy state thin film, flake conducting powder are put in agitator and mixed, and stirring is reported as 20-25 rev/min, and after stirring 20 points, rotating speed is upgraded to 40 60 revs/min, until stirring;
Step 5: the compound of step 4 mix homogeneously is processed 13 hours under 100 250 DEG C of temperature conditions;
Step 6: be cooled to room temperature after process;
Step 7: add the load weighted ferrum oxide of step 3, ethylene glycol after cooling, then grind 3-6 time on four roller machines, novel point connecting material can be obtained.
Embodiment 2
A kind of Novel electric connecting material preparation technology, this step of preparation process is:
Step one: preparation has the spherical conductive powder of glassy state thin film, has the spherical conductive powder of glassy state thin film in the method preparation that particle diameter is vapour deposition glassy state thin film on 0.1-2 ��m of spherical copper powder;
Step 2: preparation flake conducting powder, adopt wet type displacement method, by copper powder and stannum displacement plating solution contacts, make the copper dissolution in copper powder, the replaced precipitation of stannum simultaneously, in the laminar conducting powder made, residual copper content is less than 25%, and flake conducting powder particle diameter is less than 5 ��m, and flake conduction powder mean aspect ratio is the flat of 1 15;
Step 3: weigh each raw material by a kind of Novel electric connecting material formula, a kind of Novel electric connecting material formula is silicone oil 100, have the spherical conductive powder 0.5 20 of glassy state thin film, flake conducting powder 0.5 20, ferric oxalate 02, glycerol 02;
Step 4: silicone oil step 3 weighed, the spherical conductive powder with glassy state thin film, flake conducting powder are put in agitator and mixed, and stirring is reported as 20-25 rev/min, and after stirring 20 points, rotating speed is upgraded to 40 60 revs/min, until stirring;
Step 5: the compound of step 4 mix homogeneously is processed 13 hours under 100 250 DEG C of temperature conditions;
Step 6: be cooled to room temperature after process;
Step 7: add the load weighted ferric oxalate of step 3, glycerol after cooling, then grind 3-6 time on four roller machines, novel point connecting material can be obtained.
Embodiment 3
A kind of Novel electric connecting material preparation technology, this step of preparation process is:
Step one: preparation has the spherical conductive powder of glassy state thin film, has the spherical conductive powder of glassy state thin film in the method preparation that particle diameter is vapour deposition glassy state thin film on 0.1-2 ��m of spherical copper powder;
Step 2: preparation flake conducting powder, adopt wet type displacement method, by copper powder and stannum displacement plating solution contacts, make the copper dissolution in copper powder, the replaced precipitation of stannum simultaneously, in the laminar conducting powder made, residual copper content is less than 25%, and flake conducting powder particle diameter is less than 5 ��m, and flake conduction powder mean aspect ratio is the flat of 1 15;
Step 3: weigh each raw material by a kind of Novel electric connecting material formula, a kind of Novel electric connecting material formula is silicone oil 100, have the spherical conductive powder 0.5 15 of glassy state thin film, flake conducting powder 0.5 15, ferrum oxide 12, glycerol 12;
Step 4: silicone oil step 3 weighed, the spherical conductive powder with glassy state thin film, flake conducting powder are put in agitator and mixed, and stirring is reported as 20-25 rev/min, and after stirring 20 points, rotating speed is upgraded to 40 60 revs/min, until stirring;
Step 5: the compound of step 4 mix homogeneously is processed 13 hours under 100 250 DEG C of temperature conditions;
Step 6: be cooled to room temperature after process;
Step 7: add the load weighted ferrum oxide of step 3, glycerol after cooling, then grind 3-6 time on four roller machines, novel point connecting material can be obtained.
Claims (7)
1. a Novel electric connecting material preparation technology, it is characterised in that: this step of preparation process is:
Step one: preparation has the spherical conductive powder of glassy state thin film, has the spherical conductive powder of glassy state thin film in the method preparation that particle diameter is vapour deposition glassy state thin film on 0.1-2 ��m of spherical copper powder;
Step 2: preparation flake conducting powder, adopt wet type displacement method, by copper powder and stannum displacement plating solution contacts, make the copper dissolution in copper powder, the replaced precipitation of stannum simultaneously, in the laminar conducting powder made, residual copper content is less than 25%, and flake conducting powder particle diameter is less than 5 ��m, and flake conduction powder mean aspect ratio is the flat of 1 15;
Step 3: weigh each raw material by a kind of Novel electric connecting material formula, a kind of Novel electric connecting material formula is silicone oil 100, have the spherical conductive powder 0.5 20 of glassy state thin film, flake conducting powder 0.5 20, antioxidant 02, stabilizer 02;
Step 4: silicone oil step 3 weighed, the spherical conductive powder with glassy state thin film, flake conducting powder are put in agitator and mixed, and stirring is reported as 20-25 rev/min, and after stirring 20 points, rotating speed is upgraded to 40 60 revs/min, until stirring;
Step 5: the compound of step 4 mix homogeneously is processed 13 hours under 100 250 DEG C of temperature conditions;
Step 6: be cooled to room temperature after process;
Step 7: add the load weighted antioxidant of step 3, stabilizer after cooling, then grind 3-6 time on four roller machines, novel point connecting material can be obtained.
2. a kind of Novel electric connecting material preparation technology according to claim 1, it is characterised in that: in described step 3, a kind of Novel electric connecting material formula is silicone oil 100, has the spherical conductive powder 0.5 15 of glassy state thin film, laminar conducting powder 0.5 15, antioxidant 12, stabilizer 12.
3. a kind of Novel electric connecting material preparation technology according to claim 1, it is characterised in that: in described step 5, compound processes 2 hours under 150 temperature conditions.
4. a kind of Novel electric connecting material preparation technology according to claim 1, it is characterised in that: add the load weighted antioxidant of step 3, stabilizer after the cooling of described step 7, then grind 5 times on four roller machines.
5. a kind of Novel electric connecting material preparation technology according to claim 1, it is characterised in that: described antioxidant is ferrum oxide or ferric oxalate.
6. a kind of Novel electric connecting material preparation technology according to claim 1, it is characterised in that: described stabilizer is ethylene glycol or glycerol.
7. a kind of Novel electric connecting material preparation technology according to claim 1, it is characterised in that: described silicone oil is dimethicone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410595473.0A CN105632650A (en) | 2014-10-30 | 2014-10-30 | Novel electric connection material preparation process |
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| CN201410595473.0A CN105632650A (en) | 2014-10-30 | 2014-10-30 | Novel electric connection material preparation process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700361A (en) * | 2004-03-30 | 2005-11-23 | 昭荣化学工业株式会社 | Conductive paste for terminal electrode of multilayer ceramic electronic part |
| CN102024505A (en) * | 2010-10-12 | 2011-04-20 | 北京国电富通科技发展有限责任公司 | Silicone oil electric force compound grease and preparation method thereof |
| CN102142297A (en) * | 2010-11-04 | 2011-08-03 | 湖南博伟新材料有限公司 | Preparing method electric contact protection grease |
| CN102522155A (en) * | 2011-12-03 | 2012-06-27 | 河南省电力公司南阳供电公司 | Preparation method for conductive paste |
| CN103073176A (en) * | 2013-02-05 | 2013-05-01 | 山西海诺科技有限公司 | Preparation method of hollow glass microbead |
-
2014
- 2014-10-30 CN CN201410595473.0A patent/CN105632650A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700361A (en) * | 2004-03-30 | 2005-11-23 | 昭荣化学工业株式会社 | Conductive paste for terminal electrode of multilayer ceramic electronic part |
| CN102024505A (en) * | 2010-10-12 | 2011-04-20 | 北京国电富通科技发展有限责任公司 | Silicone oil electric force compound grease and preparation method thereof |
| CN102142297A (en) * | 2010-11-04 | 2011-08-03 | 湖南博伟新材料有限公司 | Preparing method electric contact protection grease |
| CN102522155A (en) * | 2011-12-03 | 2012-06-27 | 河南省电力公司南阳供电公司 | Preparation method for conductive paste |
| CN103073176A (en) * | 2013-02-05 | 2013-05-01 | 山西海诺科技有限公司 | Preparation method of hollow glass microbead |
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Application publication date: 20160601 |