CN105694161A - Metal particle conductive composite material and preparation method of metal particle conductive composite material - Google Patents
Metal particle conductive composite material and preparation method of metal particle conductive composite material Download PDFInfo
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- CN105694161A CN105694161A CN201610163342.4A CN201610163342A CN105694161A CN 105694161 A CN105694161 A CN 105694161A CN 201610163342 A CN201610163342 A CN 201610163342A CN 105694161 A CN105694161 A CN 105694161A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L13/00—Compositions of rubbers containing carboxyl groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a metal particle conductive composite material and a preparation method of the metal particle conductive composite material. The metal particle conductive composite material is prepared from the following components in parts by weight: carboxyl nitrile rubber powder, polyamide, maleic anhydride grafted polypropylene, erucamide, polypropylene, carbon nano-tubes, a lead-tin alloy, a lead-bismuth alloy, diphenylamine, bee wax, dibutyl hydroxy toluene, disteaxyl thiodipropionate, talcum powder and trioctyl citrate. The preparation method of the metal particle conductive composite material comprises the following steps: firstly, mixing all the components, and dispersing the mixture in a dispersion machine; putting the mixture into an internal mixer, and performing melt blending; secondly, carrying out sheeting treatment through a double-roller open mill, and vulcanizing by using a flat plate vulcanizing device; finally, carrying out cold pressing to obtain the material. The average grain diameter of the metal particle conductive composite material ranges from 1.8 microns to 1.9 microns; the metal particle conductive composite material has low volume resistivity and an excellent conducting capability; meanwhile, the permeation threshold value is also very low and the energy conduction efficiency is high.
Description
Technical field
The present invention relates to Material Field, be specifically related to a kind of metallic particles conducing composite material and preparation method thereof。
Background technology
Along with the progress of recent years science and technology, all trades and professions are also more and more higher to the kind of material and the requirement of performance, and conductive material is exactly one of which。And metal packing is used to prepare conductive material and obtains rapid development, especially in recent years along with the development of nanotechnology, metal nanoparticle due to have that loading is low and networking efficiency advantages of higher and be widely used in high-performance conductive composite。But the conducing composite material prepared with metallic material particles has again and causes that electric conductivity reduces with needing the shortcomings such as the nature difference of composite is relatively big, dispersibility is little and oxidizable。Therefore, in recent years, by constantly studying, the metallic particles conducing composite material of low melting point arises at the historic moment, it has, and processing temperature is low, it is easy to control to process and advantage that is that conduct electricity very well, but low-melting-point metal particle viscosity is low, easily precipitates out from matrix and cause that electric conductivity is deteriorated, therefore improve that its percolation threshold is low, improve its electric conductivity has great importance and wide market prospect。
Summary of the invention
Solve the technical problem that:It is an object of the invention to provide a kind of metallic particles conducing composite material, mean diameter is between 1.8-1.9 μm, and specific insulation is low, and conductive capability is good, and meanwhile, its percolation threshold is also very low, and energy conduction efficiency is high。
Technical scheme:A kind of metallic particles conducing composite material, is prepared from weight portion by following component: carboxyl acrylonitrile-butadiene rubber powder end 40-70 part, polyamide 1-3 part, maleic anhydride inoculated polypropylene 30-50 part, erucyl amide 0.2-0.5 part, polypropylene 20-40 part, CNT 1-4 part, terne metal 0.5-1 part, lead bismuth alloy 0.5-1 part, diphenylamines 0.1-0.2 part, Cera Flava 1-2 part, dibenzylatiooluene 0.1-0.3 part, thio-2 acid double; two octadecyl ester 0.1-0.2 part, Pulvis Talci 0.2-0.4 part, trioctyl lemon acid 0.3-0.5 part。
It is preferred that, described a kind of metallic particles conducing composite material, it is prepared from weight portion by following component: carboxyl acrylonitrile-butadiene rubber powder end 50-60 part, polyamide 1.5-2.5 part, maleic anhydride inoculated polypropylene 35-45 part, erucyl amide 0.3-0.4 part, polipropene 25-35 parts, CNT 2-3 part, terne metal 0.6-0.9 part, lead bismuth alloy 0.6-0.9 part, diphenylamines 0.11-0.17 part, Cera Flava 1.2-1.7 part, dibenzylatiooluene 0.15-0.25 part, the double, two octadecyl ester 0.11-0.17 part of thio-2 acid, Pulvis Talci 0.25-0.35 part, trioctyl lemon acid 0.35-0.45 part。
The preparation method of above-mentioned metallic particles conducing composite material comprises the following steps:
Step 1: mixed by all components, puts in dispersion machine and disperses 2-5 minute under rotating speed 600-800rpm；
Step 2: loading in banbury and carry out melt blending, blending temperature is 220-240 DEG C, and flow graph rotating speed is 60-80rpm, and the blended time is 10-20 minute；
Step 3: being processed in flakes by double; two roller mills, temperature is 180-220 DEG C；
Step 4: vulcanize with compression molding instrument, temperature is 200-210 DEG C, and pressure is 8-12MPa, and the time is 5-10 minute；
Step 5: at temperature 18-25 DEG C, carries out under pressure 5-7MPa colding pressing 3-5 minute and get final product。
It is further preferred that step 1 medium speed is 650-750r/min, the time is 3-4 minute。
It is further preferred that temperature is 225-235 DEG C in step 2, rotating speed is 65-75rpm, and the blended time is 15 minutes。
It is further preferred that temperature is 190-210 DEG C in step 3。
It is further preferred that temperature is 205 DEG C in step 4, pressure is 9-11MPa, and the time is 6-9 minute。
It is further preferred that temperature is 20-23 DEG C in step 5, pressure is 6MPa, and the time is 4 minutes。
Beneficial effect:The mean diameter of the metallic particles conducing composite material of the present invention is between 1.8-1.9 μm, and specific insulation is low to moderate 47 Ω cm, and conductive capability is good, and meanwhile, its percolation threshold is also low to moderate 0.21%, and energy conduction efficiency is high。
Detailed description of the invention
Embodiment 1
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 40 parts of carboxyl acrylonitrile-butadiene rubber powder end, polyamide 1 part, maleic anhydride inoculated polypropylene 30 parts, erucyl amide 0.2 part, polypropylene 20 parts, CNT 1 part, terne metal 0.5 part, lead bismuth alloy 0.5 part, diphenylamines 0.1 part, 1 part of Cera Flava, dibenzylatiooluene 0.1 part, thio-2 acid double; two octadecyl ester 0.1 part, Pulvis Talci 0.2 part, trioctyl lemon acid 0.3 part。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 2 minutes under rotating speed 600rpm, load in banbury and carry out melt blending, blending temperature is 220 DEG C, flow graph rotating speed is 60rpm, the blended time is 10 minutes, then pass through double; two roller mill to process in flakes, temperature is 180 DEG C, then vulcanizes with compression molding instrument, and temperature is 200 DEG C, pressure is 8MPa, time is 5 minutes, finally temperature 18 DEG C, carries out colding pressing 3 minutes and get final product under pressure 5MPa。
Embodiment 2
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 50 parts of carboxyl acrylonitrile-butadiene rubber powder end, polyamide 1.5 parts, maleic anhydride inoculated polypropylene 35 parts, erucyl amide 0.3 part, polipropene 25 part, CNT 2 parts, terne metal 0.6 part, lead bismuth alloy 0.6 part, diphenylamines 0.11 part, 1.2 parts of Cera Flava, dibenzylatiooluene 0.15 part, thio-2 acid double; two octadecyl ester 0.11 part, Pulvis Talci 0.25 part, trioctyl lemon acid 0.35 part。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 3 minutes under rotating speed 650rpm, load in banbury and carry out melt blending, blending temperature is 225 DEG C, flow graph rotating speed is 65rpm, the blended time is 15 minutes, then pass through double; two roller mill to process in flakes, temperature is 190 DEG C, then vulcanizes with compression molding instrument, and temperature is 205 DEG C, pressure is 9MPa, time is 6 minutes, finally temperature 20 DEG C, carries out colding pressing 4 minutes and get final product under pressure 6MPa。
Embodiment 3
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 55 parts of carboxyl acrylonitrile-butadiene rubber powder end, polyamide 2 parts, maleic anhydride inoculated polypropylene 40 parts, erucyl amide 0.35 part, polypropylene 30 parts, CNT 2.5 parts, terne metal 0.75 part, lead bismuth alloy 0.75 part, diphenylamines 0.15 part, Cera Flava 1-2 part, dibenzylatiooluene 0.2 part, thio-2 acid double; two octadecyl ester 0.15 part, Pulvis Talci 0.3 part, trioctyl lemon acid 0.4 part。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 3.5 minutes under rotating speed 700rpm, load in banbury and carry out melt blending, blending temperature is 230 DEG C, flow graph rotating speed is 70rpm, the blended time is 15 minutes, then pass through double; two roller mill to process in flakes, temperature is 200 DEG C, then vulcanizes with compression molding instrument, and temperature is 205 DEG C, pressure is 10MPa, time is 7.5 minutes, finally temperature 21 DEG C, carries out colding pressing 4 minutes and get final product under pressure 6MPa。
Embodiment 4
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 60 parts of carboxyl acrylonitrile-butadiene rubber powder end, polyamide 2.5 parts, maleic anhydride inoculated polypropylene 45 parts, erucyl amide 0.4 part, polypropylene 35 parts, CNT 3 parts, terne metal 0.9 part, lead bismuth alloy 0.9 part, diphenylamines 0.17 part, 1.7 parts of Cera Flava, dibenzylatiooluene 0.25 part, thio-2 acid double; two octadecyl ester 0.17 part, Pulvis Talci 0.35 part, trioctyl lemon acid 0.45 part。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 4 minutes under rotating speed 750rpm, load in banbury and carry out melt blending, blending temperature is 235 DEG C, flow graph rotating speed is 75rpm, the blended time is 15 minutes, then pass through double; two roller mill to process in flakes, temperature is 210 DEG C, then vulcanizes with compression molding instrument, and temperature is 205 DEG C, pressure is 11MPa, time is 9 minutes, finally temperature 23 DEG C, carries out colding pressing 4 minutes and get final product under pressure 6MPa。
Embodiment 5
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 70 parts of carboxyl acrylonitrile-butadiene rubber powder end, kymene part, maleic anhydride inoculated polypropylene 50 parts, erucyl amide 0.5 part, polypropylene 40 parts, CNT 4 parts, terne metal 1 part, lead bismuth alloy 1 part, diphenylamines 0.2 part, 2 parts of Cera Flava, dibenzylatiooluene 0.3 part, thio-2 acid double; two octadecyl ester 0.2 part, Pulvis Talci 0.4 part, trioctyl lemon acid 0.5 part。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 5 minutes under rotating speed 800rpm, load in banbury and carry out melt blending, blending temperature is 240 DEG C, flow graph rotating speed is 80rpm, the blended time is 20 minutes, then pass through double; two roller mill to process in flakes, temperature is 220 DEG C, then vulcanizes with compression molding instrument, and temperature is 210 DEG C, pressure is 12MPa, time is 10 minutes, finally temperature 25 DEG C, carries out colding pressing 5 minutes and get final product under pressure 7MPa。
Comparative example 1
The present embodiment and embodiment 5 are distinctive in that and do not contain polyamide。Specifically:
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 70 parts of carboxyl acrylonitrile-butadiene rubber powder end, maleic anhydride inoculated polypropylene 50 parts, erucyl amide 0.5 part, polypropylene 40 parts, CNT 4 parts, terne metal 1 part, lead bismuth alloy 1 part, diphenylamines 0.2 part, 2 parts of Cera Flava, dibenzylatiooluene 0.3 part, thio-2 acid double; two octadecyl ester 0.2 part, Pulvis Talci 0.4 part, trioctyl lemon acid 0.5 part。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 5 minutes under rotating speed 800rpm, load in banbury and carry out melt blending, blending temperature is 240 DEG C, flow graph rotating speed is 80rpm, the blended time is 20 minutes, then pass through double; two roller mill to process in flakes, temperature is 220 DEG C, then vulcanizes with compression molding instrument, and temperature is 210 DEG C, pressure is 12MPa, time is 10 minutes, finally temperature 25 DEG C, carries out colding pressing 5 minutes and get final product under pressure 7MPa。
Comparative example 2
The present embodiment and embodiment 5 are distinctive in that and do not contain erucyl amide and trioctyl lemon acid。Specifically:
A kind of metallic particles conducing composite material, is prepared from weight portion by following component: 70 parts of carboxyl acrylonitrile-butadiene rubber powder end, kymene part, maleic anhydride inoculated polypropylene 50 parts, polypropylene 40 parts, CNT 4 parts, terne metal 1 part, lead bismuth alloy 1 part, diphenylamines 0.2 part, 2 parts of Cera Flava, dibenzylatiooluene 0.3 part, the double; two octadecyl ester 0.2 part of thio-2 acid, Pulvis Talci 0.4 part,。
The preparation method of above-mentioned metallic particles conducing composite material is: first mixed by all components, put in dispersion machine and disperse 5 minutes under rotating speed 800rpm, load in banbury and carry out melt blending, blending temperature is 240 DEG C, flow graph rotating speed is 80rpm, the blended time is 20 minutes, then pass through double; two roller mill to process in flakes, temperature is 220 DEG C, then vulcanizes with compression molding instrument, and temperature is 210 DEG C, pressure is 12MPa, time is 10 minutes, finally temperature 25 DEG C, carries out colding pressing 5 minutes and get final product under pressure 7MPa。
Following table is the partial properties index of the present invention, it will be seen that the mean diameter of material of the present invention is between 1.8-1.9 μm, specific insulation is low to moderate 47 Ω cm, and conductive capability is good, and meanwhile, its percolation threshold is also low to moderate 0.21%, and energy conduction efficiency is high。
The performance indications of table 1 metallic particles conducing composite material
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | |
| Mean diameter (μm) | 1.9 | 1.8 | 1.9 | 1.9 | 1.8 | 1.9 | 2.3 |
| Specific insulation (Ω cm) | 52 | 51 | 50 | 47 | 48 | 48 | 63 |
| Percolation threshold (%) | 0.23 | 0.22 | 0.22 | 0.21 | 0.22 | 0.32 | 0.27 |
Claims (8)
1. a metallic particles conducing composite material, it is characterised in that: it is prepared from weight portion by following component: carboxyl acrylonitrile-butadiene rubber powder end 40-70 part, polyamide 1-3 part, maleic anhydride inoculated polypropylene 30-50 part, erucyl amide 0.2-0.5 part, polypropylene 20-40 part, CNT 1-4 part, terne metal 0.5-1 part, lead bismuth alloy 0.5-1 part, diphenylamines 0.1-0.2 part, Cera Flava 1-2 part, dibenzylatiooluene 0.1-0.3 part, thio-2 acid double; two octadecyl ester 0.1-0.2 part, Pulvis Talci 0.2-0.4 part, trioctyl lemon acid 0.3-0.5 part。
2. a kind of metallic particles conducing composite material according to claim 1, it is characterized in that: be prepared from weight portion by following component: carboxyl acrylonitrile-butadiene rubber powder end 50-60 part, polyamide 1.5-2.5 part, maleic anhydride inoculated polypropylene 35-45 part, erucyl amide 0.3-0.4 part, polipropene 25-35 parts, CNT 2-3 part, terne metal 0.6-0.9 part, lead bismuth alloy 0.6-0.9 part, diphenylamines 0.11-0.17 part, Cera Flava 1.2-1.7 part, dibenzylatiooluene 0.15-0.25 part, the double, two octadecyl ester 0.11-0.17 part of thio-2 acid, Pulvis Talci 0.25-0.35 part, trioctyl lemon acid 0.35-0.45 part。
3. the preparation method of a kind of metallic particles conducing composite material described in any one of claim 1 to 2, it is characterised in that: comprise the following steps:
Step 1: mixed by all components, puts in dispersion machine and disperses 2-5 minute under rotating speed 600-800rpm；
Step 2: loading in banbury and carry out melt blending, blending temperature is 220-240 DEG C, and flow graph rotating speed is 60-80rpm, and the blended time is 10-20 minute；
Step 3: being processed in flakes by double; two roller mills, temperature is 180-220 DEG C；
Step 4: vulcanize with compression molding instrument, temperature is 200-210 DEG C, and pressure is 8-12MPa, and the time is 5-10 minute；
Step 5: at temperature 18-25 DEG C, carries out under pressure 5-7MPa colding pressing 3-5 minute and get final product。
4. the preparation method of a kind of metallic particles conducing composite material according to claim 3, it is characterised in that: described step 1 medium speed is 650-750r/min, and the time is 3-4 minute。
5. the preparation method of a kind of metallic particles conducing composite material according to claim 3, it is characterised in that: in described step 2, temperature is 225-235 DEG C, and rotating speed is 65-75rpm, and the blended time is 15 minutes。
6. the preparation method of a kind of metallic particles conducing composite material according to claim 3, it is characterised in that: in described step 3, temperature is 190-210 DEG C。
7. the preparation method of a kind of metallic particles conducing composite material according to claim 3, it is characterised in that: in described step 4, temperature is 205 DEG C, and pressure is 9-11MPa, and the time is 6-9 minute。
8. the preparation method of a kind of metallic particles conducing composite material according to claim 3, it is characterised in that: in described step 5, temperature is 20-23 DEG C, and pressure is 6MPa, and the time is 4 minutes。
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| CN201610163342.4A CN105694161A (en) | 2016-03-22 | 2016-03-22 | Metal particle conductive composite material and preparation method of metal particle conductive composite material |
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Application publication date: 20160622 |