CN105754330A - A PA66 nanometer conductive composite material - Google Patents
A PA66 nanometer conductive composite material Download PDFInfo
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- CN105754330A CN105754330A CN201410793285.9A CN201410793285A CN105754330A CN 105754330 A CN105754330 A CN 105754330A CN 201410793285 A CN201410793285 A CN 201410793285A CN 105754330 A CN105754330 A CN 105754330A
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- carbon nanotubes
- formic acid
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Abstract
A PA66 nanometer conductive composite material is provided. The PA66 nanometer conductive composite material is prepared through adding carbon nanotubes into an ethanol-water solution of a silane coupling agent, performing surface modification, fully dissolving PA66 into formic acid to prepare a PA66-formic acid solution having a certain concentration, adding the surface-modified carbon nanotubes into the PA66-formic acid solution, performing ultrasonic treatment, adding absolute ethyl alcohol under violent stirring, precipitating a PA66/carbon nanotube mixture, filtering, washing with water, and drying under vacuum. The carbon nanotubes are subjected to surface modification with the silane coupling agent, and therefore the interface bonding force between the carbon nanotubes and the PA66 is increased, and the reinforcing function of the carbon nanotubes is more liable to exert. Dispersion of the carbon nanotubes in a PA66 substrate is more uniform through adopting a solution blending process, thus facilitating improvement of conductive performance of the composite material.
Description
Technical field
The invention belongs to conducing composite material field, relate to a kind of PA66 conductive nano composites, it is specifically related to a kind of PA66/ carbon nanotube conducting composite, adopts solution blended process by the carbon nano-tube filled PA66 conductive nano composites prepared particularly to a kind of.
Background technology
CNT is a kind of nano functional filler, conductive polymer composite can be prepared after filled high polymer matrix material, a difficult problem for current Nano filling filled high polymer material is the scattering problem how solving Nano filling in macromolecule matrix, adopt surfactant that CNT is carried out surface modification, CNT dispersibility in macromolecule matrix material can be strengthened and improve the interface binding power of itself and macromolecular material, the good mechanical performance of the polymer-based composite obtained.
Summary of the invention
It is an object of the invention to provide a kind of PA66 conductive nano composites, be specifically related to a kind of employing solution blended process and carbon nano-tube filled PA66 is prepared conducing composite material.
For realizing such purpose, the technical solution used in the present invention is:
The invention provides a kind of PA66 conductive nano composites, comprise the following steps:
(1) CNT is added in the ethanol-water solution of silane coupler, ultrasonic 2h, stand, filter post-drying；
(2) PA66 is completely dissolved in formic acid, prepares certain density PA66-formic acid solution；
(3) CNT of step (1) is added in the PA66-formic acid solution that step (2) obtains, control mass percent is PA66 the 5～10% of CNT, ultrasonic 5～8h, then in strong agitation situation, add dehydrated alcohol, precipitate out PA66/ carbon nanotube mixture, filter, wash, vacuum drying, obtain PA66 conductive nano composites.
Described silane coupler is the one of gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy silicane.
The present invention is had the advantages that
The present invention relates to a kind of PA66 conductive nano composites, it is specifically related to a kind of adopt solution blended process by the carbon nano-tube filled PA66 conducing composite material prepared, beneficial effect has: (1) adopts silane coupler that CNT is carried out surface modification, the interface binding power of CNT and PA66 can be improved, make the potentiation of CNT be more easy to performance；(1) adopt solution blended process that CNT dispersion in PA66 matrix can be made more uniform, be conducive to the raising of conductivity of composite material energy.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
Embodiment 1
1g CNT is added in the ethanol-water solution of 0.1mol/L gamma-aminopropyl-triethoxy-silane, ultrasonic 2h, stand 1h, filter post-drying；Take in the PA66-formic acid solution 45g adding 20% concentration of the CNT 1g after process, ultrasonic 8h, add dehydrated alcohol after mix homogeneously under agitation, precipitate out PA66/ carbon nanotube mixture, filter, wash, vacuum drying, obtain PA66/ carbon nanotube conducting composite.
Embodiment 2
0.5g CNT is added in the ethanol-water solution of 0.1mol/L γ-glycidyl ether oxygen propyl trimethoxy silicane, ultrasonic 2h, stand 1h, filter post-drying；Take in the PA66-formic acid solution 47.5g adding 20% concentration of the CNT 0.5g after process, ultrasonic 6h, add dehydrated alcohol after mix homogeneously under agitation, precipitate out PA66/ carbon nanotube mixture, filter, wash, vacuum drying, obtain PA66/ carbon nanotube conducting composite.
Embodiment 3
1g CNT is added in the ethanol-water solution of 0.1mol/L gamma-aminopropyl-triethoxy-silane, ultrasonic 2h, stand 1h, filter post-drying；Take in the PA66-formic acid solution 57.5g adding 20% concentration of the CNT 1g after process, ultrasonic 6h, add dehydrated alcohol after mix homogeneously under agitation, precipitate out PA66/ carbon nanotube mixture, filter, wash, vacuum drying, obtain PA66/ carbon nanotube conducting composite.
The above, be only presently preferred embodiments of the present invention, and technical scheme is not done any pro forma restriction.Every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all still falls within the scope of technical scheme.
Claims (2)
1. the preparation method of a PA66 conductive nano composites, it is characterised in that comprise the following steps:
(1) CNT is added in the ethanol-water solution of silane coupler, ultrasonic 2h, stand, filter post-drying；
(2) PA66 is completely dissolved in formic acid, prepares certain density PA66-formic acid solution；
(3) CNT of step (1) is added in the PA66-formic acid solution that step (2) obtains, control mass percent is PA66 the 5～10% of CNT, ultrasonic 5～8h, then in strong agitation situation, add dehydrated alcohol, precipitate out PA66/ carbon nanotube mixture, filter, wash, vacuum drying, obtain PA66 conductive nano composites.
2. PA66 conductive nano composites according to claim 1, it is characterised in that described silane coupler is the one of gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy silicane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793285.9A CN105754330A (en) | 2014-12-20 | 2014-12-20 | A PA66 nanometer conductive composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793285.9A CN105754330A (en) | 2014-12-20 | 2014-12-20 | A PA66 nanometer conductive composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105754330A true CN105754330A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410793285.9A Pending CN105754330A (en) | 2014-12-20 | 2014-12-20 | A PA66 nanometer conductive composite material |
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| CN (1) | CN105754330A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221209A (en) * | 2016-08-25 | 2016-12-14 | 江苏百利达股份有限公司 | A kind of nylon66 fiber/carbon nanotube conducting composite and preparation method thereof |
| CN110835465A (en) * | 2019-11-22 | 2020-02-25 | 北京航天凯恩化工科技有限公司 | Preparation and application of nylon/carbon nanotube master batch for improving material conductivity |
| CN110982255A (en) * | 2019-10-17 | 2020-04-10 | 中国科学院化学研究所 | Long-carbon-chain polyamide/carbon nanotube composite material, preparation method thereof and application thereof in FDM |
| CN115260734A (en) * | 2022-09-27 | 2022-11-01 | 广东盟信塑胶实业有限公司 | Wear-resistant anti-deformation POK plastic bar and preparation method thereof |
-
2014
- 2014-12-20 CN CN201410793285.9A patent/CN105754330A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221209A (en) * | 2016-08-25 | 2016-12-14 | 江苏百利达股份有限公司 | A kind of nylon66 fiber/carbon nanotube conducting composite and preparation method thereof |
| CN110982255A (en) * | 2019-10-17 | 2020-04-10 | 中国科学院化学研究所 | Long-carbon-chain polyamide/carbon nanotube composite material, preparation method thereof and application thereof in FDM |
| CN110835465A (en) * | 2019-11-22 | 2020-02-25 | 北京航天凯恩化工科技有限公司 | Preparation and application of nylon/carbon nanotube master batch for improving material conductivity |
| CN115260734A (en) * | 2022-09-27 | 2022-11-01 | 广东盟信塑胶实业有限公司 | Wear-resistant anti-deformation POK plastic bar and preparation method thereof |
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Application publication date: 20160713 |
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| WD01 | Invention patent application deemed withdrawn after publication |