CN106243723A - A kind of conductive composite rubber material and preparation method thereof - Google Patents
A kind of conductive composite rubber material and preparation method thereof Download PDFInfo
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- CN106243723A CN106243723A CN201610633231.5A CN201610633231A CN106243723A CN 106243723 A CN106243723 A CN 106243723A CN 201610633231 A CN201610633231 A CN 201610633231A CN 106243723 A CN106243723 A CN 106243723A
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
- 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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention provides a kind of conductive composite rubber material and preparation method thereof.Preparation method is as follows: (1), by tetraethyl orthosilicate, 107 silicone rubber, the mixing of maleic anhydride grafted natural rubber, stirs 20 40 minutes；(2) add zinc oxide, stearic acid, magnesium hydroxide and microencapsulated powder oil, stir 10 20 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3 mercaptopropionic acids, continue stirring 20 40 minutes；(4) add nickel coated glass microballon, spherical nano-silver and dacron fibre, stir 40 60 minutes to same direction；(5) pour into and mould at room temperature solidifies and get final product.The conductive composite rubber material of the present invention, percolation threshold is little, is easily formed conductive path, improves percolating network quantity, and specific insulation is little, and electric conductivity is good, has preferable mechanical property simultaneously.
Description
Technical field
The present invention relates to conductive material field, be specifically related to a kind of conductive composite rubber material and preparation method thereof.
Background technology
Conductive rubber is to be evenly distributed in silicone rubber by the conductive particle such as silver-plated, silver-colored to glass silvering, aluminum, is made by pressure
Conductive particle contacts, and reaches good electric conductivity, and its Main Function is to seal and electromagnetic shielding.The most conventional conductive filler
Mainly there is the metal-powder such as the carbon-based materials such as white carbon black, graphite, carbon fiber, CNT and gold, silver, copper, nickel.Prepared by carbon system filler
Conductive rubber specific insulation generally the highest, though and filler metal powder body can obtain splendid electric conductivity, but there is cost
The shortcomings such as height, free settling.Therefore, research and develop a kind of novel, electric conductivity is good, mechanical property good and cheap conduction
Elastomeric material has great importance and wide application prospect.
Summary of the invention
Solve the technical problem that: it is an object of the invention to provide a kind of conductive composite rubber material, percolation threshold is little, easily
Forming conductive path, improve percolating network quantity, specific insulation is little, and electric conductivity is good, has preferable mechanical property simultaneously
Energy.
Technical scheme: a kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate
10-20 part, 107 silicone rubber 50-70 parts, maleic anhydride grafted natural rubber 10-20 part, nickel coated glass microballon 10-20 part, spherical
Nanometer silver 10-20 part, zinc oxide 3-6 part, stearic acid 1-2 part, dacron fibre 5-10 part, stannous octoate 2-
5 parts, dibutyltin diacetate 1-3 part, magnesium hydroxide 0.2-0.5 part, microencapsulated powder oil 0.3-0.5 part, epoxy soybean oil 5-8
Part, 3-mercaptopropionic acid 0.2-0.5 part.
It is further preferred that described a kind of conductive composite rubber material, following component it is prepared from weight portion: just
Silester 12-18 part, 107 silicone rubber 55-65 parts, maleic anhydride grafted natural rubber 12-17 part, nickel coated glass microballon 13-
18 parts, spherical nano-silver 13-18 part, zinc oxide 4-5 part, stearic acid 1.3-1.7 part, dacron fibre 6-9
Part, stannous octoate 3-4 part, dibutyltin diacetate 1.5-2.5 part, magnesium hydroxide 0.3-0.4 part, microencapsulated powder oil 0.35-
0.45 part, epoxy soybean oil 6-7 part, 3-mercaptopropionic acid 0.3-0.4 part.
The preparation method of above-mentioned conductive composite rubber material comprises the following steps:
(1) by tetraethyl orthosilicate, 107 silicone rubber, the mixing of maleic anhydride grafted natural rubber, stir under rotating speed 80-110r/min
Mix 20-40 minute；
(2) add zinc oxide, stearic acid, magnesium hydroxide and microencapsulated powder oil, stir 10-20 minute；
(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue stirring 20-40 minute；
(4) add nickel coated glass microballon, spherical nano-silver and dacron fibre, turning to same direction
Stir 40-60 minute under speed 60-90r/min；
(5) pour into and mould at room temperature solidifies and get final product.
Further, the preparation method of described a kind of conductive composite rubber material, described step (1) medium speed is
90-100r/min, mixing time is 25-35 minute.
Further, the preparation method of described a kind of conductive composite rubber material, mixing time in described step (3)
For 25-35 minute.
Further, the preparation method of described a kind of conductive composite rubber material, described step (4) medium speed is
70-80r/min, mixing time is 45-55 minute.
Beneficial effect: the percolation threshold minimum of the conductive composite rubber material of the present invention is only 17.11%, is easily formed conduction
Path, improves percolating network quantity, its specific insulation minimum 7.22 × 10-3Ω cm, electric conductivity is good, and it draws simultaneously
Stretch intensity and shore hardness best result not can reach 2.7MPa and 15.71kN m, there is preferable mechanical property.
Detailed description of the invention
Embodiment 1
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 10 parts, 107 silicone rubber
50 parts, maleic anhydride grafted natural rubber 10 parts, nickel coated glass microballon 10 parts, spherical nano-silver 10 parts, zinc oxide 3 parts, stearic
Acid 1 part, dacron fibre 5 parts, stannous octoate 2 parts, dibutyltin diacetate 1 part, 0.2 part of magnesium hydroxide,
Microencapsulated powder oil 0.3 part, epoxy soybean oil 5 parts, 3-mercaptopropionic acid 0.2 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate, 107 silicone rubber, maleic anhydride are connect by (1)
Branch natural rubber mixing, stirs 20 minutes under rotating speed 80r/min；(2) zinc oxide, stearic acid, magnesium hydroxide and micro-glue are added
Encapsulated red phosphorus, stirs 10 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue
Continuous stirring 20 minutes；(4) nickel coated glass microballon, spherical nano-silver and dacron fibre are added, to same
Direction is stirred 40 minutes under rotating speed 60r/min；(5) pour into and mould at room temperature solidifies and get final product.
Embodiment 2
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 12 parts, 107 silicone rubber
55 parts, maleic anhydride grafted natural rubber 12 parts, nickel coated glass microballon 13 parts, spherical nano-silver 13 parts, zinc oxide 4 parts, stearic
Acid 1.3 parts, dacron fibre 6 parts, stannous octoate 3 parts, dibutyltin diacetate 1.5 parts, magnesium hydroxide 0.3
Part, microencapsulated powder oil 0.35 part, epoxy soybean oil 6 parts, 3-mercaptopropionic acid 0.3 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate, 107 silicone rubber, maleic anhydride are connect by (1)
Branch natural rubber mixing, stirs 25 minutes under rotating speed 90r/min；(2) zinc oxide, stearic acid, magnesium hydroxide and micro-glue are added
Encapsulated red phosphorus, stirs 15 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue
Continuous stirring 25 minutes；(4) nickel coated glass microballon, spherical nano-silver and dacron fibre are added, to same
Direction is stirred 45 minutes under rotating speed 70r/min；(5) pour into and mould at room temperature solidifies and get final product.
Embodiment 3
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 15 parts, 107 silicone rubber
60 parts, maleic anhydride grafted natural rubber 15 parts, nickel coated glass microballon 15 parts, spherical nano-silver 15 parts, zinc oxide 4.5 parts, hard
Fat acid 1.5 parts, dacron fibre 7.5 parts, stannous octoate 3.5 parts, dibutyltin diacetate 2 parts, hydroxide
0.35 part of magnesium, microencapsulated powder oil 0.4 part, epoxy soybean oil 6.5 parts, 3-mercaptopropionic acid 0.35 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate, 107 silicone rubber, maleic anhydride are connect by (1)
Branch natural rubber mixing, stirs 30 minutes under rotating speed 95r/min；(2) zinc oxide, stearic acid, magnesium hydroxide and micro-glue are added
Encapsulated red phosphorus, stirs 15 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue
Continuous stirring 30 minutes；(4) nickel coated glass microballon, spherical nano-silver and dacron fibre are added, to same
Direction is stirred 50 minutes under rotating speed 75r/min；(5) pour into and mould at room temperature solidifies and get final product.
Embodiment 4
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 18 parts, 107 silicone rubber
65 parts, maleic anhydride grafted natural rubber 17 parts, micro-18 parts of nickel coated glass, spherical nano-silver 18 parts, zinc oxide 5 parts, stearic acid
1.7 parts, dacron fibre 9 parts, stannous octoate 4 parts, dibutyltin diacetate 2.5 parts, magnesium hydroxide 0.4
Part, microencapsulated powder oil 0.45 part, epoxy soybean oil 7 parts, 3-mercaptopropionic acid 0.4 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate, 107 silicone rubber, maleic anhydride are connect by (1)
Branch natural rubber mixing, stirs 35 minutes under rotating speed 100r/min；(2) zinc oxide, stearic acid, magnesium hydroxide and micro-glue are added
Encapsulated red phosphorus, stirs 15 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue
Continuous stirring 35 minutes；(4) nickel coated glass microballon, spherical nano-silver and dacron fibre are added, to same
Direction is stirred 55 minutes under rotating speed 80r/min；(5) pour into and mould at room temperature solidifies and get final product.
Embodiment 5
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 20 parts, 107 silicone rubber
70 parts, maleic anhydride grafted natural rubber 20 parts, nickel coated glass microballon 20 parts, spherical nano-silver 20 parts, zinc oxide 6 parts, stearic
Acid 2 parts, dacron fibre 10 parts, stannous octoate 5 parts, dibutyltin diacetate 3 parts, 0.5 part of magnesium hydroxide,
Microencapsulated powder oil 0.5 part, epoxy soybean oil 8 parts, 3-mercaptopropionic acid 0.5 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate, 107 silicone rubber, maleic anhydride are connect by (1)
Branch natural rubber mixing, stirs 40 minutes under rotating speed 110r/min；(2) zinc oxide, stearic acid, magnesium hydroxide and micro-glue are added
Encapsulated red phosphorus, stirs 20 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue
Continuous stirring 40 minutes；(4) nickel coated glass microballon, spherical nano-silver and dacron fibre are added, to same
Direction is stirred 60 minutes under rotating speed 90r/min；(5) pour into and mould at room temperature solidifies and get final product.
Comparative example 1
The present embodiment is not contain maleic anhydride grafted natural rubber with the difference of embodiment 5.Specifically:
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 20 parts, 107 silicone rubber
70 parts, nickel coated glass microballon 20 parts, spherical nano-silver 20 parts, zinc oxide 6 parts, stearic acid 2 parts, polyethylene terephthalate fine
Tie up 10 parts, stannous octoate 5 parts, dibutyltin diacetate 3 parts, 0.5 part of magnesium hydroxide, microencapsulated powder oil 0.5 part, epoxy soybean
Oil 8 parts, 3-mercaptopropionic acid 0.5 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate and 107 silicone rubber are mixed by (1), is turning
Stir 40 minutes under speed 110r/min；(2) add zinc oxide, stearic acid, magnesium hydroxide and microencapsulated powder oil, stir 20 points
Clock；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue stirring 40 minutes；(4) add
Enter nickel coated glass microballon, spherical nano-silver and dacron fibre, to same direction under rotating speed 90r/min
Stir 60 minutes；(5) pour into and mould at room temperature solidifies and get final product.
Comparative example 2
The present embodiment is not contain nickel coated glass microballon and zinc oxide with the difference of embodiment 5.Specifically:
A kind of conductive composite rubber material, is prepared from weight portion by following component: tetraethyl orthosilicate 20 parts, 107 silicone rubber
70 parts, maleic anhydride grafted natural rubber 20 parts, spherical nano-silver 20 parts, stearic acid 2 parts, dacron fibre
10 parts, stannous octoate 5 parts, dibutyltin diacetate 3 parts, 0.5 part of magnesium hydroxide, microencapsulated powder oil 0.5 part, epoxy soybean oil
8 parts, 3-mercaptopropionic acid 0.5 part.
The preparation method of above-mentioned conductive composite rubber material is: tetraethyl orthosilicate, 107 silicone rubber, maleic anhydride are connect by (1)
Branch natural rubber mixing, stirs 40 minutes under rotating speed 110r/min；(2) stearic acid, magnesium hydroxide and micro encapsulation are added red
Phosphorus, stirs 20 minutes；(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue stirring
40 minutes；(4) spherical nano-silver and dacron fibre are added, to same direction under rotating speed 90r/min
Stir 60 minutes；(5) pour into and mould at room temperature solidifies and get final product.
The percolation threshold minimum of the conductive composite rubber material of the present invention is only 17.11%, is easily formed conductive path, improves
Percolating network quantity, its specific insulation minimum 7.22 × 10-3Ω cm, electric conductivity is good, simultaneously its hot strength and
Shore hardness best result not can reach 2.7MPa and 15.71kN m, has preferable mechanical property.
The partial properties index of table 1 conductive composite rubber material
| Name of product | Percolation threshold (%) | Specific insulation (Ω cm) | Hot strength (MPa) | Shore hardness (kN/m) |
| Embodiment 1 | 17.21 | 7.32×10-3 | 2.2 | 15.52 |
| Embodiment 2 | 17.17 | 7.30×10-3 | 2.4 | 15.58 |
| Embodiment 3 | 17.15 | 7.27×10-3 | 2.5 | 15.64 |
| Embodiment 4 | 17.11 | 7.22×10-3 | 2.7 | 15.71 |
| Embodiment 5 | 17.14 | 7.24×10-3 | 2.6 | 15.66 |
| Comparative example 1 | 17.48 | 8.56×10-3 | 2.2 | 13.21 |
| Comparative example 2 | 17.63 | 8.11×10-3 | 2.1 | 12.89 |
Claims (7)
1. a conductive composite rubber material, it is characterised in that: it is prepared from weight portion by following component: tetraethyl orthosilicate
10-20 part, 107 silicone rubber 50-70 parts, maleic anhydride grafted natural rubber 10-20 part, nickel coated glass microballon 10-20 part, spherical
Nanometer silver 10-20 part, zinc oxide 3-6 part, stearic acid 1-2 part, dacron fibre 5-10 part, stannous octoate 2-
5 parts, dibutyltin diacetate 1-3 part, magnesium hydroxide 0.2-0.5 part, microencapsulated powder oil 0.3-0.5 part, epoxy soybean oil 5-8
Part, 3-mercaptopropionic acid 0.2-0.5 part.
A kind of conductive composite rubber material the most according to claim 1, it is characterised in that: by following component with weight portion system
For forming: tetraethyl orthosilicate 12-18 part, 107 silicone rubber 55-65 parts, maleic anhydride grafted natural rubber 12-17 part, nickel plating glass
Glass microballon 13-18 part, spherical nano-silver 13-18 part, zinc oxide 4-5 part, stearic acid 1.3-1.7 part, poly terephthalic acid second two
Ester fiber 6-9 part, stannous octoate 3-4 part, dibutyltin diacetate 1.5-2.5 part, magnesium hydroxide 0.3-0.4 part, micro encapsulation
Red phosphorus 0.35-0.45 part, epoxy soybean oil 6-7 part, 3-mercaptopropionic acid 0.3-0.4 part.
3. a kind of conductive composite rubber material as claimed in claim 1, it is characterised in that: described polyethylene terephthalate
The draw ratio of fiber is 20-40.
4. the preparation method of a kind of conductive composite rubber material described in any one of claim 1 to 2, it is characterised in that: include
Following steps:
(1) by tetraethyl orthosilicate, 107 silicone rubber, the mixing of maleic anhydride grafted natural rubber, stir under rotating speed 80-110r/min
Mix 20-40 minute；
(2) add zinc oxide, stearic acid, magnesium hydroxide and microencapsulated powder oil, stir 10-20 minute；
(3) add stannous octoate, dibutyltin diacetate, epoxy soybean oil and 3-mercaptopropionic acid, continue stirring 20-40 minute；
(4) add nickel coated glass microballon, spherical nano-silver and dacron fibre, turning to same direction
Stir 40-60 minute under speed 60-90r/min；
(5) pour into and mould at room temperature solidifies and get final product.
The preparation method of a kind of conductive composite rubber material the most according to claim 4, it is characterised in that: described step
(1) medium speed is 90-100r/min, and mixing time is 25-35 minute.
The preparation method of a kind of conductive composite rubber material the most according to claim 4, it is characterised in that: described step
(3) in, mixing time is 25-35 minute.
The preparation method of a kind of conductive composite rubber material the most according to claim 4, it is characterised in that: described step
(4) medium speed is 70-80r/min, and mixing time is 45-55 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610633231.5A CN106243723A (en) | 2016-08-05 | 2016-08-05 | A kind of conductive composite rubber material and preparation method thereof |
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| CN201610633231.5A CN106243723A (en) | 2016-08-05 | 2016-08-05 | A kind of conductive composite rubber material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109294231A (en) * | 2018-01-20 | 2019-02-01 | 湛江市康田医用器械高科技有限公司 | Electrocardiographicmonitoring monitoring electrode production method |
| CN109354877A (en) * | 2018-10-29 | 2019-02-19 | 西南大学 | A kind of flexible strain-responsive material and preparation method thereof mismatching region with modulus |
| CN114085533A (en) * | 2021-10-08 | 2022-02-25 | 西北橡胶塑料研究设计院有限公司 | High-strength, wide-frequency-band and high-shielding-efficiency silicone rubber material and preparation method thereof |
-
2016
- 2016-08-05 CN CN201610633231.5A patent/CN106243723A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109294231A (en) * | 2018-01-20 | 2019-02-01 | 湛江市康田医用器械高科技有限公司 | Electrocardiographicmonitoring monitoring electrode production method |
| CN109354877A (en) * | 2018-10-29 | 2019-02-19 | 西南大学 | A kind of flexible strain-responsive material and preparation method thereof mismatching region with modulus |
| CN114085533A (en) * | 2021-10-08 | 2022-02-25 | 西北橡胶塑料研究设计院有限公司 | High-strength, wide-frequency-band and high-shielding-efficiency silicone rubber material and preparation method thereof |
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