CN105820499B - A kind of polyaniline composite conductive plastic - Google Patents
A kind of polyaniline composite conductive plastic Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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Abstract
The invention belongs to composite conducting material technical fields, specifically disclose a kind of polyaniline composite conductive plastic and preparation method thereof.It according to parts by weight, mainly include plastic basis material 90-100 parts, 15-25 parts of polyaniline, 5-15 parts of dimethyl sulfoxide, 2-4 parts of graphene, 1-5 parts of nano silver, 1-4 parts of coupling agent, 15-20 parts of plasticizer, 0.2-1 parts of calcium stearate, 1-5 parts of maleic anhydride inoculated polypropylene, 0.5-1.5 parts of surfactant.The present invention is insufficient by the compound mechanics that can make up polyaniline of polyaniline and other high molecular materials, while improving the electric property of common high molecular materials, and popularization can more be widely applied.
Description
Invention field
The invention belongs to composite conducting material technical fields, concretely relate to a kind of polyaniline composite conductive plastic
And preparation method thereof.
Background technique
Polyaniline is one kind of high-molecular compound, has special electricity, optical property, can have conduction after doped
Property and chemical property.After centainly handling, various equipment and material with specific function can be made, such as can be used as biology or
Urea enzyme sensor, electronic field emission source, the more traditional lithium electrode material of chemical sensor have more excellent in charge and discharge process
Different reversible electrode material, selective membrane material, antistatic and electromagnetic shielding material, conductive fiber, anti-corrosion material, etc.
Deng.Polyaniline is because its raw material having is easy to get, synthesis technology is simple, chemistry and environmental stability good the features such as due to have obtained extensively
Research and application.But since intermolecular strong effect and high rigidity chain cause its indissoluble to melt, difficult processing, largely
Limit application.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of polyaniline composite conductive plastics and preparation method thereof.
In order to achieve the above objectives, the technical solution used in the present invention are as follows:
A kind of polyaniline composite conductive plastic, by weight score meter include: 90-100 parts of plastic basis material, polyaniline 15-
25 parts, 5-15 parts of dimethyl sulfoxide, 2-4 parts of graphene, 1-5 parts of nano silver, 1-4 parts of coupling agent, 15-20 parts of plasticizer, tristearin
Sour calcium 0.2-1 parts, 1-5 parts of maleic anhydride inoculated polypropylene, 0.5-1.5 parts of surfactant.
Preferably, in the preferred embodiment, the plastic basis material is ABS resin, polythene PE, polypropylene
The mixture of one or more of the polymer such as PP, polyvinylchloride, polycarbonate, nylon PA.
Preferably, in the preferred embodiment, polyaniline score meter by weight is by following material composition, benzene
15-25 parts of amine, 40-60 parts of dioctyl phthalate, 10-20 parts of hydrochloric acid, 15-25 parts of p-methyl benzenesulfonic acid, potassium bichromate 1-5
Part, 40-60 parts of sodium hydroxide, 60-80 parts of acetone.
Preferably, in the preferred embodiment, the coupling agent is silane coupling agent, and the silane coupling agent is
Titanate coupling agent or aluminate coupling agent is one such or mixture.
Preferably, in the preferred embodiment, the plasticizer is triacetyl glycerine or triethyl citrate
At least one of.
A kind of preparation method of polyaniline composite conductive plastic, comprising the following steps:
(1) by the aniline, the dioctyl phthalate be added to the hydrochloric acid, the p-methyl benzenesulfonic acid it is mixed
It closes in acid solution, 0.5-2h is stirred with 300-500r/min, forms lotion；Then the potassium bichromate is added drop-wise to the lotion
In, it is added the sodium hydroxide after completion of dropwise addition the reaction was continued 1-3h, the temperature of reaction system maintains 0-20 in whole process
℃；Deionized water is washed into washing lotion without Cl-, then with the acetone washing, filtering, drying, grinding, obtain the polyphenyl
Amine；
(2) plastic basis material, the calcium stearate and the maleic anhydride inoculated polypropylene are placed in high-speed mixer
In, it is stirred with 2000-3000r/min and the plasticizer is added when being warming up to 30-50 DEG C, continued heat preservation 1-4h and mixed
Object；
(3) graphene, the nano silver are added in the dimethyl sulfoxide and are stirred in 50-60 DEG C of water-bath,
Divide 3-5 times and be added in the mixture, keeps 55-60 DEG C of stirring 1.5-2.5h of constant temperature；Above-mentioned solution is added in the polyaniline
In, 15-20min is stirred under 35-40 DEG C of constant temperature, the coupling agent is added, the surfactant continues after stirring 20-30min
It is added in step (2) described mixture and stirs 1.5-2h, after being ultrasonically treated 25-35min, 90-100 DEG C of vacuum drying 20-24h is
Obtain the polyaniline composite conductive plastic.Compared with the existing technology, beneficial effects of the present invention: due to ABS resin, poly- second
The polymer such as alkene PE, polypropylene PP, polyvinylchloride, polycarbonate, nylon PA are all the very excellent plastics of comprehensive performance,
With excellent chemical stability, and there is preferable mechanical property, polyaniline is compound with it, it to a certain extent can be with
Improve the machinability of polyaniline.The mechanics for compensating for polyaniline is insufficient, while improving the electric property of common high molecular materials.
Nano silver is added and equally also improves the electric conductivity and heating conduction of material.
Specific embodiment
Technical solution of the present invention is further described combined with specific embodiments below.
Embodiment 1:
A kind of polyaniline composite conductive plastic, by weight score meter include: 90 parts of plastic basis material, 15 parts of polyaniline, two
5 parts of methyl sulfoxide, 2 parts of graphene, 1 part of nano silver, 1 part of coupling agent, 15 parts of plasticizer, 0.2 part of calcium stearate, maleic anhydride connect
Branch 1 part of polypropylene, 0.5 part of surfactant.
Plastic basis material is the mixture of ABS resin and polycarbonate.
Polyaniline score meter by weight is by following material composition, 15 parts of aniline, 40 parts of dioctyl phthalate, hydrochloric acid 10
Part, 15 parts of p-methyl benzenesulfonic acid, 1 part of potassium bichromate, 40 parts of sodium hydroxide, 60 parts of acetone.Coupling agent is silane coupling agent, silane
Coupling agent is titanate coupling agent.
Plasticizer is triacetyl glycerine.
A kind of preparation method of polyaniline composite conductive plastic, comprising the following steps:
(1) aniline, dioctyl phthalate are added in the mixed acid solution of hydrochloric acid, p-methyl benzenesulfonic acid, with
300r/min stirs 0.5h, forms lotion；Then potassium bichromate is added drop-wise in lotion, after completion of dropwise addition be added sodium hydroxide after
Continuous to react 1h, the temperature of reaction system maintains 0 DEG C in whole process；Deionized water is washed into washing lotion without Cl-, then with third
Ketone washing, filtering, dry, grinding, obtain polyaniline；
(2) plastic basis material, calcium stearate and maleic anhydride inoculated polypropylene are placed in high-speed mixer, with 2000r/
Min is stirred and plasticizer is added when being warming up to 30 DEG C, is continued heat preservation 1h and is obtained mixture；
(3) graphene, nano silver are added in dimethyl sulfoxide and are stirred in 50 DEG C of water-baths, be added three times mixture
In, keep 55 DEG C of stirring 1.5h of constant temperature；Polyaniline is added in above-mentioned solution, 15min is stirred under 35 DEG C of constant temperature, coupling is added
Agent, surfactant, which continue to stir to be added in step (2) mixture after 20min, stirs 1.5h, after being ultrasonically treated 25min, 90 DEG C
20h is dried in vacuo up to institute's polyaniline composite conductive plastic.
Embodiment 2:
A kind of polyaniline composite conductive plastic, by weight score meter include: 100 parts of plastic basis material, 25 parts of polyaniline, two
15 parts of methyl sulfoxide, 4 parts of graphene, 5 parts of nano silver, 4 parts of coupling agent, 20 parts of plasticizer, 1 part of calcium stearate, maleic anhydride connect
Branch 5 parts of polypropylene, 1.5 parts of surfactant.
Plastic basis material is the mixture of polythene PE and polyvinylchloride.
Polyaniline score meter by weight is by following material composition, 25 parts of aniline, 60 parts of dioctyl phthalate, hydrochloric acid 20
Part, 25 parts of p-methyl benzenesulfonic acid, 5 parts of potassium bichromate, 60 parts of sodium hydroxide, 80 parts of acetone.Coupling agent is silane coupling agent, silane
Coupling agent is aluminate coupling agent.
Plasticizer is triethyl citrate.
A kind of preparation method of polyaniline composite conductive plastic, comprising the following steps:
(1) aniline, dioctyl phthalate are added in the mixed acid solution of hydrochloric acid, p-methyl benzenesulfonic acid, with
500r/min stirs 2h, forms lotion；Then potassium bichromate is added drop-wise in lotion, sodium hydroxide is added after completion of dropwise addition and continues
3h is reacted, the temperature of reaction system maintains 20 DEG C in whole process；Deionized water is washed into washing lotion without Cl-, then with third
Ketone washing, filtering, dry, grinding, obtain polyaniline；
(2) plastic basis material, calcium stearate and maleic anhydride inoculated polypropylene are placed in high-speed mixer, with 3000r/
Min is stirred and plasticizer is added when being warming up to 50 DEG C, is continued heat preservation 4h and is obtained mixture；
(3) graphene, nano silver are added in dimethyl sulfoxide and are stirred in 60 DEG C of water-baths, point 5 addition mixtures
In, keep 60 DEG C of stirring 2.5h of constant temperature；Polyaniline is added in above-mentioned solution, 20min is stirred under 40 DEG C of constant temperature, coupling is added
Agent, surfactant, which continue to stir to be added in step (2) mixture after 30min, stirs 2h, and after being ultrasonically treated 35min, 100 DEG C true
Sky is dry for 24 hours up to institute's polyaniline composite conductive plastic.
Embodiment 3:
A kind of polyaniline composite conductive plastic, by weight score meter include: 95 parts of plastic basis material, 20 parts of polyaniline, two
10 parts of methyl sulfoxide, 3 parts of graphene, 3 parts of nano silver, 2 parts of coupling agent, 17 parts of plasticizer, 0.6 part of calcium stearate, maleic anhydride
3 parts of graft polypropylene, 1.0 parts of surfactant.
Plastic basis material is the mixture of polypropylene PP, polyvinylchloride and polycarbonate.
Polyaniline score meter by weight is by following material composition, 20 parts of aniline, 50 parts of dioctyl phthalate, hydrochloric acid 15
Part, 20 parts of p-methyl benzenesulfonic acid, 3 parts of potassium bichromate, 50 parts of sodium hydroxide, 70 parts of acetone.Coupling agent is silane coupling agent, silane
Coupling agent is the mixture of titanate coupling agent and aluminate coupling agent.Plasticizer is triacetyl glycerine and triethyl citrate
Mixture.
A kind of preparation method of polyaniline composite conductive plastic, comprising the following steps:
(1) aniline, dioctyl phthalate are added in the mixed acid solution of hydrochloric acid, p-methyl benzenesulfonic acid, with
400r/min stirs 1.2h, forms lotion；Then potassium bichromate is added drop-wise in lotion, after completion of dropwise addition be added sodium hydroxide after
Continuous to react 2h, the temperature of reaction system maintains 10 DEG C in whole process；Deionized water is washed into washing lotion without Cl-, then use
Acetone washing, filtering, drying, grinding, obtain polyaniline；
(2) plastic basis material, calcium stearate and maleic anhydride inoculated polypropylene are placed in high-speed mixer, with 2500r/
Min is stirred and plasticizer is added when being warming up to 40 DEG C, is continued heat preservation 2.5h and is obtained mixture；
(3) graphene, nano silver are added in dimethyl sulfoxide and are stirred in 55 DEG C of water-baths, point 4 addition mixtures
In, keep 57 DEG C of stirring 2.0h of constant temperature；Polyaniline is added in above-mentioned solution, 17min is stirred under 37 DEG C of constant temperature, coupling is added
Agent, surfactant, which continue to stir to be added in step (2) mixture after 25min, stirs 1.7h, after being ultrasonically treated 30min, 95 DEG C
22h is dried in vacuo up to institute's polyaniline composite conductive plastic.To polyaniline composite conductive plastic obtained by embodiment 1-3
Conductivity and 30-3000Hz are carried out, shield effectiveness test finds that product conductivity prepared by embodiment 3 is higher, shields effect
It can be more preferable.
| Embodiment | Conductivity s/cm | It shields efficiency (dB) |
| Embodiment 1 | 1.5×10-2 | 25-50 |
| Embodiment 2 | 1.5×10-2 | 25-45 |
| Embodiment 3 | 1.6×10-2 | 30-55 |
Claims (1)
1. a kind of polyaniline composite conductive plastic, which is characterized in that include: according to parts by weight 90-100 parts of plastic basis material,
15-25 parts of polyaniline, 5-15 parts of dimethyl sulfoxide, 2-4 parts of graphene, 1-5 parts of nano silver, 1-4 parts of coupling agent, plasticizer 15-
20 parts, 0.2-1 parts of calcium stearate, 1-5 parts of maleic anhydride inoculated polypropylene, 0.5-1.5 parts of surfactant；
The plastic basis material is ABS resin, in polythene PE, polypropylene PP, polyvinylchloride, polycarbonate, nylon PA
It is one or more of；
The polyaniline according to parts by weight by following material composition, 15-25 parts of aniline, 40-60 parts of dioctyl phthalate,
10-20 parts of hydrochloric acid, 15-25 parts of p-methyl benzenesulfonic acid, 1-5 parts of potassium bichromate, 40-60 parts of sodium hydroxide, 60-80 parts of acetone；
The coupling agent is titanate coupling agent or aluminate coupling agent is one such or mixture；
The plasticizer is at least one of triacetyl glycerine or triethyl citrate；
The preparation method of the polyaniline composite conductive plastic, which comprises the following steps:
(1) aniline, the dioctyl phthalate are added to the mixed acid of the hydrochloric acid, the p-methyl benzenesulfonic acid
In solution, 0.5-2h is stirred with 300-500r/min, forms lotion；Then the potassium bichromate is added drop-wise in the lotion,
It is added the sodium hydroxide after completion of dropwise addition the reaction was continued 1-3h, the temperature of reaction system maintains 0-20 DEG C in whole process；
Deionized water is washed into washing lotion without Cl-, then with the acetone washing, filtering, drying, grinding, obtain the polyaniline；
(2) plastic basis material, the calcium stearate and the maleic anhydride inoculated polypropylene are placed in high-speed mixer, with
2000-3000r/min is stirred and the plasticizer is added when being warming up to 50 DEG C of 30-, is continued heat preservation 1-4h and is obtained mixture；
(3) graphene, the nano silver are added in the dimethyl sulfoxide and are stirred in 50-60 DEG C of water-bath, divide 3-5
It is secondary to be added in the mixture, keep 55-60 DEG C of stirring 1.5-2.5h of constant temperature；The polyaniline is added in above-mentioned solution, 35-
15-20min is stirred under 40 DEG C of constant temperature, the coupling agent is added, the surfactant continues to be added after stirring 20-30min
1.5-2h is stirred in step (2) described mixture, after being ultrasonically treated 25-35min, 90-100 DEG C of vacuum drying 20-24h to obtain the final product
The polyaniline composite conductive plastic.
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| CN106519414A (en) * | 2016-11-15 | 2017-03-22 | 山东中塑泰富科技有限公司 | Environmentally friendly antistatic film material and preparation method thereof |
| CN109486091A (en) * | 2018-11-08 | 2019-03-19 | 浙江祥盛汽车科技有限公司 | A kind of antistatic automobile grid and preparation method thereof |
| CN111002674B (en) * | 2019-12-19 | 2021-06-25 | 横店集团东磁股份有限公司 | Composite electromagnetic shielding material and preparation method thereof |
| CN111073250A (en) * | 2019-12-20 | 2020-04-28 | 无锡若祎新材料科技有限公司 | Novel reinforced stable plastic material |
| CN114015173A (en) * | 2021-11-19 | 2022-02-08 | 广东腐蚀科学与技术创新研究院 | Modified polyaniline/polyamide filler doped composite conductive blend and preparation method thereof |
| CN116554573B (en) * | 2023-04-27 | 2024-04-26 | 河南海瑞祥科技有限公司 | Composite conductive plastic and preparation method thereof |
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| CN102311608A (en) * | 2010-07-09 | 2012-01-11 | 中国科学院金属研究所 | Polyaniline composite antibacterial plastic as well as preparation method and application thereof |
| CN103772975A (en) * | 2012-10-25 | 2014-05-07 | 黑龙江鑫达企业集团有限公司 | Graphene/polymer conductive composite material |
| CN103910997A (en) * | 2014-04-02 | 2014-07-09 | 合肥杰事杰新材料股份有限公司 | Permanent antistatic antibacterial polyamide 6/polypropylene composite material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311608A (en) * | 2010-07-09 | 2012-01-11 | 中国科学院金属研究所 | Polyaniline composite antibacterial plastic as well as preparation method and application thereof |
| CN103772975A (en) * | 2012-10-25 | 2014-05-07 | 黑龙江鑫达企业集团有限公司 | Graphene/polymer conductive composite material |
| CN103910997A (en) * | 2014-04-02 | 2014-07-09 | 合肥杰事杰新材料股份有限公司 | Permanent antistatic antibacterial polyamide 6/polypropylene composite material |
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