CN110922705A - High-heat-resistance conductive composite material and preparation method thereof - Google Patents
High-heat-resistance conductive composite material and preparation method thereof Download PDFInfo
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- CN110922705A CN110922705A CN201911286202.6A CN201911286202A CN110922705A CN 110922705 A CN110922705 A CN 110922705A CN 201911286202 A CN201911286202 A CN 201911286202A CN 110922705 A CN110922705 A CN 110922705A
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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
- C08L47/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Compositions of derivatives of such polymers
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The invention discloses a high-heat-resistance conductive composite material which comprises the following components in percentage by mass: 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black, wherein the sum of the mass percentages of the components is 100%. The invention also discloses a preparation method of the high heat-resistant conductive composite material. The high-heat-resistance conductive composite material disclosed by the invention uses the high-heat-resistance styrene-butadiene resin, can meet the requirements of extreme application conditions, has good mechanical properties such as flexibility and adhesion and conductive performance, and has excellent comprehensive properties. The preparation method of the high-heat-resistance conductive composite material is basically the same as that of a common high polymer material in processing and forming, is convenient to prepare, has high practicability and has a good market prospect.
Description
Technical Field
The invention belongs to the technical field of conductive materials, and particularly relates to a high-heat-resistance conductive composite material and a preparation method of the high-heat-resistance conductive composite material.
Background
The conductive polymer materials can be classified into structural conductive polymer materials and composite conductive polymer materials according to the difference between the structure and the preparation method. The structural conductive polymer material refers to a conjugated polymer with a molecular structure capable of conducting electricity or having a conductive function after being subjected to doping treatment, such as polyethylene terephthalate, polyaniline, polyperfole, polyphagophen, polypyrole and the like. The composite conductive high molecular material is a multiphase composite material which is prepared by taking a polymer as a matrix, adding various conductive fillers (such as carbon black, metal powder, metal sheets, carbon fibers and the like) and compounding by adopting a physical and chemical method, and has a certain conductive function and good mechanical properties. Most of the structural conductive polymer materials are still in the laboratory research stage due to the structural particularity and the difficulty in preparation and purification, and have less practical application and are mostly semiconductor materials. The preparation method of the composite conductive polymer material is basically the same as that of a common polymer material in terms of processing and forming, is convenient to prepare, has stronger practicability, has good market prospect, but has poor heat resistance.
Disclosure of Invention
The invention aims to provide a strong heat-resistant conductive composite material which has good heat resistance.
The invention also aims to provide a preparation method of the conductive composite material with strong heat resistance.
The first technical scheme adopted by the invention is as follows: the high-heat-resistance conductive composite material comprises the following components in percentage by mass: 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black, wherein the sum of the mass percentages of the components is 100%.
The first technical solution of the present invention is also characterized in that,
the cross-linking agent is any one of triallyl cyanurate, trimethyl acrylic acid or diallyl phthalate or a mixture of at least two of the triallyl cyanurate, the trimethyl acrylic acid and the diallyl phthalate.
The initiator is any one of dicumyl peroxide, tert-butyl cumyl peroxide or tert-butyl octoate or a mixture of at least two of the dicumyl peroxide, the tert-butyl cumyl peroxide and the tert-butyl octoate.
The curing agent is any one or a mixture of at least two of 2-methylimidazole, 2-phenylimidazole or 2-phenyl-4-methylimidazole.
The second technical scheme adopted by the invention is as follows: a preparation method of a strong heat-resistant conductive composite material comprises the following steps:
step 1: weighing 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black according to the mass percentage, wherein the sum of the mass percentages of the components is 100%;
step 2: dissolving the styrene-butadiene resin, the polybutadiene resin, the cross-linking agent and the initiator weighed in the step 1 in toluene to obtain a glue solution;
and step 3: adding the conductive carbon black weighed in the step 1 into an internal mixer, controlling the temperature to be 120-;
and 4, step 4: and (4) cooling the material obtained in the step (3) to 20-40 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
The invention has the beneficial effects that: the high-heat-resistance conductive composite material disclosed by the invention uses the high-heat-resistance styrene-butadiene resin, can meet the requirements of extreme application conditions, has good mechanical properties such as flexibility and adhesion and conductive performance, and has excellent comprehensive properties.
The preparation method of the high-heat-resistance conductive composite material is basically the same as that of a common high polymer material in processing and forming, is convenient to prepare, has high practicability and has a good market prospect.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention provides a high-heat-resistance conductive composite material which comprises the following components in percentage by mass: 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black, wherein the sum of the mass percentages of the components is 100%. Wherein the crosslinking agent is any one or a mixture of at least two of triallyl cyanurate, trimethylacrylic acid or diallyl phthalate; the initiator is any one or a mixture of at least two of dicumyl peroxide, tert-butyl cumyl peroxide or tert-butyl octanoate; the curing agent is any one or a mixture of at least two of 2-methylimidazole, 2-phenylimidazole or 2-phenyl-4-methylimidazole.
The high-heat-resistance conductive composite material disclosed by the invention uses the high-heat-resistance styrene-butadiene resin, can meet the requirements of extreme application conditions, has good mechanical properties such as flexibility and adhesion and conductive performance, and has excellent comprehensive properties.
The invention also provides a preparation method of the high heat-resistant conductive composite material, which comprises the following steps:
step 1: weighing 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black according to the mass percentage, wherein the sum of the mass percentages of the components is 100%;
step 2: dissolving the styrene-butadiene resin, the polybutadiene resin, the cross-linking agent and the initiator weighed in the step 1 in toluene to obtain a glue solution;
and step 3: adding the conductive carbon black weighed in the step 1 into an internal mixer, controlling the temperature to be 120-;
and 4, step 4: and (4) cooling the material obtained in the step (3) to 20-40 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
Through the mode, the preparation method of the high-heat-resistance conductive composite material is basically the same as that of a common high polymer material in processing and forming, is convenient to prepare, has high practicability and has a good market prospect.
Example 1
Weighing 16% of styrene-butadiene resin, 16% of polybutadiene resin, 1% of cross-linking agent, 1% of initiator, 1% of curing agent and the balance of conductive carbon black according to the mass percentage, wherein the sum of the mass percentages of the components is 100%; dissolving the weighed styrene-butadiene resin, polybutadiene resin, a cross-linking agent and an initiator in toluene to obtain a glue solution; adding the weighed conductive carbon black into an internal mixer, controlling the temperature to be 120 ℃, stirring for 40min, adding the glue solution and the weighed curing agent, continuously stirring for 60min, and discharging; and cooling the material to 20 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
Example 2
Weighing 17% of styrene-butadiene resin, 17% of polybutadiene resin, 2% of cross-linking agent, 2% of initiator, 2% of curing agent and the balance of conductive carbon black according to mass percentage, wherein the sum of the mass percentages of the components is 100%; dissolving the weighed styrene-butadiene resin, polybutadiene resin, a cross-linking agent and an initiator in toluene to obtain a glue solution; adding the weighed conductive carbon black into an internal mixer, controlling the temperature to be 125 ℃, stirring for 45min, adding the glue solution and the weighed curing agent, continuously stirring for 65min, and discharging; and cooling the materials to 25 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
Example 3
Weighing 18% of styrene-butadiene resin, 18% of polybutadiene resin, 3% of cross-linking agent, 3% of initiator, 3% of curing agent and the balance of conductive carbon black according to mass percentage, wherein the sum of the mass percentages of the components is 100%; dissolving the weighed styrene-butadiene resin, polybutadiene resin, a cross-linking agent and an initiator in toluene to obtain a glue solution; adding the weighed conductive carbon black into an internal mixer, controlling the temperature to be 130 ℃, stirring for 50min, adding the glue solution and the weighed curing agent, continuously stirring for 70min, and discharging; and cooling the material to 30 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
Example 4
Weighing 19% of styrene-butadiene resin, 19% of polybutadiene resin, 4% of cross-linking agent, 4% of initiator, 4% of curing agent and the balance of conductive carbon black according to mass percentage, wherein the sum of the mass percentages of the components is 100%; dissolving the weighed styrene-butadiene resin, polybutadiene resin, a cross-linking agent and an initiator in toluene to obtain a glue solution; adding the weighed conductive carbon black into an internal mixer, controlling the temperature to be 135 ℃, stirring for 55min, adding the glue solution and the weighed curing agent, continuously stirring for 75min, and discharging; and cooling the material to 35 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
Example 5
Weighing 20% of styrene-butadiene resin, 20% of polybutadiene resin, 5% of cross-linking agent, 5% of initiator, 5% of curing agent and the balance of conductive carbon black according to mass percentage, wherein the sum of the mass percentages of the components is 100%; dissolving the weighed styrene-butadiene resin, polybutadiene resin, a cross-linking agent and an initiator in toluene to obtain a glue solution; adding the weighed conductive carbon black into an internal mixer, controlling the temperature to be 140 ℃, stirring for 60min, adding the glue solution and the weighed curing agent, continuously stirring for 80min, and discharging; and cooling the material to 40 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
Claims (5)
1. The high-heat-resistance conductive composite material is characterized by comprising the following components in percentage by mass: 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black, wherein the sum of the mass percentages of the components is 100%.
2. A strong heat resistant conductive composite as claimed in claim 1, wherein said crosslinking agent is any one of triallyl cyanurate, trimethacrylic acid, or diallyl phthalate, or a mixture of at least two thereof.
3. A strong heat resistant conductive composite as in claim 1 wherein said initiator is any one or a mixture of at least two of dicumyl peroxide, t-butyl cumyl peroxide or t-butyl octanoate.
4. A strong heat-resistant conductive composite material as recited in claim 1, wherein said curing agent is any one of 2-methylimidazole, 2-phenylimidazole or 2-phenyl-4-methylimidazole or a mixture of at least two thereof.
5. A method for preparing a highly heat-resistant conductive composite as claimed in claim 1, comprising the steps of:
step 1: weighing 16-20% of styrene-butadiene resin, 16-20% of polybutadiene resin, 1-5% of cross-linking agent, 1-5% of initiator, 1-5% of curing agent and the balance of conductive carbon black according to the mass percentage, wherein the sum of the mass percentages of the components is 100%;
step 2: dissolving the styrene-butadiene resin, the polybutadiene resin, the cross-linking agent and the initiator weighed in the step 1 in toluene to obtain a glue solution;
and step 3: adding the conductive carbon black weighed in the step 1 into an internal mixer, controlling the temperature to be 120-;
and 4, step 4: and (4) cooling the material obtained in the step (3) to 20-40 ℃, discharging, and then putting into a granulator for granulation to obtain the material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911286202.6A CN110922705A (en) | 2019-12-13 | 2019-12-13 | High-heat-resistance conductive composite material and preparation method thereof |
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| CN201911286202.6A CN110922705A (en) | 2019-12-13 | 2019-12-13 | High-heat-resistance conductive composite material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280179A (en) * | 2016-08-29 | 2017-01-04 | 陕西生益科技有限公司 | A kind of high frequency resin composition and application thereof |
| CN106280199A (en) * | 2016-08-29 | 2017-01-04 | 陕西生益科技有限公司 | A kind of compositions of thermosetting resin and application thereof |
| CN109467862A (en) * | 2018-11-09 | 2019-03-15 | 陕西生益科技有限公司 | A kind of high frequency resin composition and its application |
-
2019
- 2019-12-13 CN CN201911286202.6A patent/CN110922705A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280179A (en) * | 2016-08-29 | 2017-01-04 | 陕西生益科技有限公司 | A kind of high frequency resin composition and application thereof |
| CN106280199A (en) * | 2016-08-29 | 2017-01-04 | 陕西生益科技有限公司 | A kind of compositions of thermosetting resin and application thereof |
| CN109467862A (en) * | 2018-11-09 | 2019-03-15 | 陕西生益科技有限公司 | A kind of high frequency resin composition and its application |
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