CN108774421A - A kind of graphene composite wave-suction material and preparation method thereof and coating agent using the material preparation - Google Patents
A kind of graphene composite wave-suction material and preparation method thereof and coating agent using the material preparation Download PDFInfo
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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Abstract
The present invention provides a kind of graphene composite wave-suction material and preparation method thereof and the coating agent using the material preparation, is made of graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine.A kind of preparation method of graphene composite wave-suction material of the present invention has good absorbing property with graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine resulting materials.
Description
Technical field
The present invention relates to absorbing material technical fields, and in particular to a kind of graphene composite wave-suction material and preparation method thereof
And the coating agent using the material preparation.
Background technology
Absorbing material is to absorb the electromagnetic wave energy for projecting its surface, and be changed into thermal energy by the loss of material
A kind of material.The initial design of absorbing material is mainly used in the research of stealth aircraft in military affairs.With the development of the society, wireless
The extensive use of the technologies such as electromagnetic wave, absorbing material also begin to be widely used in the daily lifes such as building, household electrical appliances.
Graphene is the carbon material with two-dimensional structure of a kind of latest find.Due to its unique two-dimensional structure, graphite
Alkene has many peculiar physical properties, and such as high-specific surface area, density is small, and mechanical performance is strong, excellent electric conductivity.Graphene is also fast
Short-term training is a research hotspot in present material field, also of interest by the researcher in suction wave field.
Invention content
The purpose of the present invention is to provide a kind of graphene composite wave-suction material and preparation method thereof and utilize the material system
Standby coating agent has good wave absorbtion with graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine resulting materials
Energy.
In order to achieve the above objectives, the technical solution adopted by the present invention：
A kind of graphene composite wave-suction material of the present invention, by graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine
It is made.
Further, the preparation method of a kind of graphene composite wave-suction material, which is characterized in that according to the following steps
It is made：
（1）The preparation of graphene oxide：Under condition of ice bath, the natural graphite of 3-10 parts of weight is added to 30-50 parts of weight
The concentrated sulfuric acid in, and be stirred continuously, the oxidant of 1-3 part weight, and temperature reaction be added, then respectively with hydrogen peroxide, dilute hydrochloric acid
And deionized water, it washs repeatedly, 40 DEG C of dryings obtain graphene oxide solid, then by graphene oxide solid fine grinding and micro-
Wave handles to obtain the graphene oxide.
（2）By the graphene oxide of 6-10 parts of weight, the acetone and 2- of the carbon nanotube of 1-5 parts of weight, 20-30 parts of weight
The neopelex mixing of 6 parts of weight, ultrasonic 1-3h are uniformly dispersed, and obtain uniform mixed solution；
（3）Magnetic agitation 30-60min at the epoxy resin of 10-16 parts of weight and 80 DEG C of the modification aliphatic cyclic amine of 1-5 parts of weight, obtains
To the liquid of homogeneous transparent；
（4）By step（2）Obtained transparent liquid is added to step（1）In obtained mixed solution, magnetic agitation 500-
1-5min is stirred under 10000rpm, and 30-60min is had children outside the state plan at 80 DEG C, then moves to mixture in vacuum tank, the temperature of vacuum tank
It is 80-120 DEG C, handles 10h, takes out the acetone in material；
（5）It injects the mixture into warmed-up 100 DEG C to be coated in the mold of releasing agent, 30min is vacuumized at 100 DEG C, is then pressed
120 DEG C/1h is cured, and is finally cooled to room temperature to get to graphene composite wave-suction material with baking oven.
Further, the coating agent that prepared by the graphene composite wave-suction material, which is characterized in that according to the following steps into
Row：Compound powder is poured into coating agent, water, formaldehyde and butanone is added, 30-50min is stirred with dispersant, is fabricated to uniform painting
Layer agent.
The invention has the advantages that：A kind of graphene composite wave-suction material of the present invention and preparation method thereof and profit
With the coating agent of the material preparation, have with graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine resulting materials good
Good absorbing property.
Specific implementation mode
Embodiment 1
A kind of graphene composite wave-suction material is made of graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine.
A kind of preparation method of graphene composite wave-suction material, is made according to the following steps：
（1）The preparation of graphene oxide：Under condition of ice bath, the natural graphite of 3 parts of weight is added to the dense sulphur of 30 parts of weight
It in acid, and is stirred continuously, the oxidant of 1 part of weight, and temperature reaction is added, then use hydrogen peroxide, dilute hydrochloric acid and deionization respectively
Water washs repeatedly, and 40 DEG C of dryings obtain graphene oxide solid, and then by the fine grinding of graphene oxide solid, simultaneously microwave treatment obtains
To the graphene oxide.
（2）By the graphene oxide of 6 parts of weight, the carbon nanotube of 1 part of weight, the acetone of 20 parts of weight and 2 parts of weight
Neopelex mixes, and ultrasonic 1h is uniformly dispersed, and obtains uniform mixed solution；
（3）Magnetic agitation 30-60min at the epoxy resin of 10 parts of weight and 80 DEG C of the modification aliphatic cyclic amine of 1 part of weight, obtains uniformly
Transparent liquid；
（4）By step（2）Obtained transparent liquid is added to step（1）In obtained mixed solution, magnetic agitation 500rpm
Lower stirring 1min has children outside the state plan 30min at 80 DEG C, then moves to mixture in vacuum tank, and the temperature of vacuum tank is 80 DEG C, processing
10h takes out the acetone in material；
（5）It injects the mixture into warmed-up 100 DEG C to be coated in the mold of releasing agent, 30min is vacuumized at 100 DEG C, is then pressed
120 DEG C/1h is cured, and is finally cooled to room temperature to get to graphene composite wave-suction material with baking oven.
Coating agent prepared by the graphene composite wave-suction material, which is characterized in that follow the steps below：Multiple
It closes pulvis and pours into coating agent, water, formaldehyde and butanone is added, stir 30-50min with dispersant, be fabricated to uniform coating agent.
Embodiment 2
A kind of graphene composite wave-suction material is made of graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine.
Further, the preparation method of a kind of graphene composite wave-suction material, is made according to the following steps：
（1）The preparation of graphene oxide：Under condition of ice bath, the natural graphite of 10 parts of weight is added to the concentrated sulfuric acid of 50 parts of weight
In, and be stirred continuously, the oxidant of 3 parts of weight, and temperature reaction is added, then use hydrogen peroxide, dilute hydrochloric acid and deionized water respectively,
It washs repeatedly, 40 DEG C of dryings obtain graphene oxide solid, and then by the fine grinding of graphene oxide solid, simultaneously microwave treatment obtains institute
State graphene oxide.
（2）By the graphene oxide of 10 parts of weight, the carbon nanotube of 5 parts of weight, the acetone of 30 parts of weight and 6 parts of weight
Neopelex mixes, and ultrasonic 3h is uniformly dispersed, and obtains uniform mixed solution；
（3）Magnetic agitation 60min at the epoxy resin of 10-16 parts of weight and 80 DEG C of the modification aliphatic cyclic amine of 5 parts of weight, obtains uniformly
Transparent liquid；
（4）By step（2）Obtained transparent liquid is added to step（1）In obtained mixed solution, magnetic agitation
5min is stirred under 10000rpm, 60min is had children outside the state plan at 80 DEG C, then moves to mixture in vacuum tank, and the temperature of vacuum tank is 120
DEG C, 10h is handled, the acetone in material is taken out；
（5）It injects the mixture into warmed-up 100 DEG C to be coated in the mold of releasing agent, 30min is vacuumized at 100 DEG C, is then pressed
120 DEG C/1h is cured, and is finally cooled to room temperature to get to graphene composite wave-suction material with baking oven.
Coating agent prepared by the graphene composite wave-suction material, which is characterized in that follow the steps below：Multiple
It closes pulvis and pours into coating agent, water, formaldehyde and butanone is added, stir 30-50min with dispersant, be fabricated to uniform coating agent.
Embodiment 3
A kind of graphene composite wave-suction material is made of graphene oxide, carbon nanotube, epoxy resin and modified aliphatic cyclic amine.
A kind of preparation method of graphene composite wave-suction material, is made according to the following steps：
（1）The preparation of graphene oxide：Under condition of ice bath, the natural graphite of 5 parts of weight is added to the dense sulphur of 40 parts of weight
It in acid, and is stirred continuously, the oxidant of 2 parts of weight, and temperature reaction is added, then use hydrogen peroxide, dilute hydrochloric acid and deionization respectively
Water washs repeatedly, and 40 DEG C of dryings obtain graphene oxide solid, and then by the fine grinding of graphene oxide solid, simultaneously microwave treatment obtains
To the graphene oxide.
（2）By the graphene oxide dispersion of 8 parts of weight, the acetone and 4 parts of weights of the carbon nanotube of 3 parts of weight, 26 parts of weight
The neopelex of amount mixes, and ultrasonic 2h is uniformly dispersed, and obtains uniform mixed solution；
（3）Magnetic agitation 45min at the epoxy resin of 14 parts of weight and 80 DEG C of the modification aliphatic cyclic amine of 3 parts of weight is obtained uniformly thoroughly
Bright liquid；
（4）By step（2）Obtained transparent liquid is added to step（1）In obtained mixed solution, magnetic agitation 1000rpm
Lower stirring 3min has children outside the state plan 55min at 80 DEG C, then moves to mixture in vacuum tank, and the temperature of vacuum tank is 100 DEG C, processing
10h takes out the acetone in material；
（5）It injects the mixture into warmed-up 100 DEG C to be coated in the mold of releasing agent, 30min is vacuumized at 100 DEG C, is then pressed
120 DEG C/1h is cured, and is finally cooled to room temperature to get to graphene composite wave-suction material with baking oven.
Further, the coating agent that prepared by the graphene composite wave-suction material, which is characterized in that according to the following steps into
Row：Compound powder is poured into coating agent, water, formaldehyde and butanone is added, 30-50min is stirred with dispersant, is fabricated to uniform painting
Layer agent.
Claims (3)
1. graphene composite wave-suction material, which is characterized in that by graphene oxide, carbon nanotube, epoxy resin and modified alicyclic ring
Amine is made.
2. a kind of preparation method of graphene composite wave-suction material according to claim 1, which is characterized in that according to following
Step is made：
(1) preparation of graphene oxide：Under condition of ice bath, the natural graphite of 3-10 parts of weight is added to 30-50 parts of weight
The concentrated sulfuric acid in, and be stirred continuously, the oxidant of 1-3 part weight, and temperature reaction be added, then respectively with hydrogen peroxide, dilute hydrochloric acid
And deionized water, it washs repeatedly, 40 DEG C of dryings obtain graphene oxide solid, then by graphene oxide solid fine grinding and micro-
Wave handles to obtain the graphene oxide.
(2) by the graphene oxide of 6-10 parts of weight, the carbon nanotube of 1-5 parts of weight, the acetone of 20-30 parts of weight and 2-6 parts
The neopelex of weight mixes, and ultrasonic 1-3h is uniformly dispersed, and obtains uniform mixed solution；
(3) magnetic agitation 30-60min at the epoxy resin of 10-16 parts of weight and 80 DEG C of the modification aliphatic cyclic amine of 1-5 parts of weight, obtains
To the liquid of homogeneous transparent；
(4) the transparent liquid that step (2) obtains is added in the mixed solution that step (1) obtains, magnetic agitation 500-
1-5min is stirred under 10000rpm, and 30-60min is had children outside the state plan at 80 DEG C, then moves to mixture in vacuum tank, the temperature of vacuum tank
It is 80-120 DEG C, handles 10h, takes out the acetone in material；
(5) warmed-up 100 DEG C are injected the mixture into be coated in the mold of releasing agent, 30min is vacuumized at 100 DEG C, is then pressed
120 DEG C/1h is cured, and is finally cooled to room temperature to get to graphene composite wave-suction material with baking oven.
3. coating agent prepared by a kind of graphene composite wave-suction material using described in any of the above-described claim, feature exist
In following the steps below：Compound powder is poured into coating agent, water, formaldehyde and butanone is added, 30- is stirred with dispersant
50min is fabricated to uniform coating agent.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423535A (en) * | 2019-08-01 | 2019-11-08 | 西安纳科新材料科技有限公司 | A kind of preparation method of ultra-thin carbon nanotube wave-absorbing coating material |
| CN112126089A (en) * | 2020-09-01 | 2020-12-25 | 中国电子科技集团公司第三十三研究所 | Carbon nano composite broadband wave-absorbing gradient structure material and preparation method thereof |
| CN114085041A (en) * | 2020-08-25 | 2022-02-25 | 深圳光启尖端技术有限责任公司 | Wave-absorbing glass bead and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110423535A (en) * | 2019-08-01 | 2019-11-08 | 西安纳科新材料科技有限公司 | A kind of preparation method of ultra-thin carbon nanotube wave-absorbing coating material |
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| CN114085041A (en) * | 2020-08-25 | 2022-02-25 | 深圳光启尖端技术有限责任公司 | Wave-absorbing glass bead and preparation method and application thereof |
| CN112126089A (en) * | 2020-09-01 | 2020-12-25 | 中国电子科技集团公司第三十三研究所 | Carbon nano composite broadband wave-absorbing gradient structure material and preparation method thereof |
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Application publication date: 20181109 |