CN109265817A - The preparation method of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites - Google Patents
The preparation method of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites Download PDFInfo
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- CN109265817A CN109265817A CN201810762286.5A CN201810762286A CN109265817A CN 109265817 A CN109265817 A CN 109265817A CN 201810762286 A CN201810762286 A CN 201810762286A CN 109265817 A CN109265817 A CN 109265817A
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- carbon
- carbon nanotube
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2355/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
- C08J2355/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
Abstract
The present invention provides a kind of preparation methods of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites, including configuration carbon nano-tube electrophoretic suspension；Carbon nanotube is grown in carbon fiber surface；The carbon nano-tube electrophoretic suspension prepared is placed in electrolytic cell, uses stainless steel plate as anode, the carbon cloth cut out carries out the carbon nano-tube electrophoretic deposition of carbon fiber surface as cathode；Carbon cloth obtained after electrophoretic deposition is placed in baking oven dry 80-120min；By thermoplastic resin with it is dry after carbon cloth heating be placed in it is hot-forming in mold.The present invention grows carbon nanotube in carbon fiber surface, effectively realizes the evenly dispersed of carbon nanotube, significantly increases the interaction area of fiber and resin by the introducing of carbon nanotube, improve the interface bond strength of fiber and resin.
Description
Technical field
The present invention relates to field of new materials, and in particular to a kind of carbon nanotube enhancing thermoplastic carbon fiber resin base composite wood
The preparation method of material.
Background technique
Carbon fiber has a series of excellent properties such as high intensity, high-modulus, endurance, creep resistant, is ideal composite wood
Expect reinforced phase.Fibre reinforced thermoplas tic resin composite then combines the respective advantage of carbon fiber and engineering plastics, such as excellent
Good mechanical property, simple moulding process and recyclable processing etc..But the interface bond strength of composite material is still not
It is very ideal, to weaken the comprehensive mechanical property of thermoplastic carbon fiber resin composite materials and limit this kind of material
The application in certain fields.
The size characteristic of the excellent mechanical property of carbon nanotube and " nanometer caliber, micron pipe range " becomes composite material
The ideal reinforced phase in field.Document " Carbon nanotube reinforced composites:Potential and
Challenges [J], Materials and Design, 2007,28 2394-2401 " is pointed out, by carbon nanotube disperse in increasing
Between strong fiber, that is, construct " the multiple dimensioned precast body of carbon nanotube-fiber ", fiber preform lamination internal junction can not damaged
Effective reinforcement matrix under the premise of structure realizes the multiple dimensioned reinforcing to matrices of composite material, the synthesis of composite material is substantially improved
Mechanical property.However the dispersing uniformity of carbon nanotube and interface cohesion problem are still the pass for improving composite material correlated performance
Key factor.
For this purpose, the present invention comes into being.
Summary of the invention
In view of the foregoing, the present invention provides a kind of systems of carbon nanotube enhancing thermoplastic carbon fiber resin composite materials
Preparation Method.Carbon nanotube is grown in carbon fiber surface, effectively realizes the evenly dispersed of carbon nanotube.Pass through drawing for carbon nanotube
Enter to significantly increase the interaction area of fiber and resin, improves the interface bond strength of fiber and resin.
To achieve the above object, the present invention provides a kind of carbon nanotubes to enhance thermoplastic carbon fiber polymer matrix composites
Preparation method, comprising:
Configure carbon nano-tube electrophoretic suspension；It disperses carbon nanotube in isopropanol dispersion liquid, is configured to 1.5-1.7g/
The carbon nanotube isopropanol dispersion liquid of L concentration；The aluminum nitrate of weight fraction 0.3-0.8% is then added in the dispersion liquid,
Carbon nano-tube electrophoretic suspension is obtained after solution is dispersed 150-180min with supersonic oscillations；
Carbon nanotube is grown in carbon fiber surface；The carbon nano-tube electrophoretic suspension prepared is placed in electrolytic cell
In, use stainless steel plate as anode, the carbon cloth cut out carries out the carbon nano-tube electrophoretic of carbon fiber surface as cathode
Deposition；
Carbon cloth obtained after electrophoretic deposition is placed in baking oven dry 80-120min；
By thermoplastic resin and it is dry after carbon cloth be heated to 170-240 DEG C after (thermoplastic in the case that temperature is too low
Property Resin Flow difference is difficult to form, and temperature is too high, and the oxidation for being easy to appear thermoplastic resin thermal oxide and carbon fiber leads to material
Expect mechanical property deteriorate), be placed in it is hot-forming in mold, be prepared carbon nanotube enhancing composite thermoplastic carbon fiber material.
The invention has the benefit that
The present invention grows carbon nanotube in carbon fiber surface, effectively realizes the evenly dispersed of carbon nanotube, is received by carbon
The introducing of mitron significantly increases the interaction area of fiber and resin, improves the interface bond strength of fiber and resin.
Further, the carbon cloth is unidirectional lamination, two-way carbon cloth, appointing in 3D weaving carbon fiber cloth
It anticipates one kind.
Further, the thermoplastic resin be polypropylene, it is polyethylene, polyamide, polyformaldehyde, any in poly- carbon ether
It is a kind of.
Further, it anode and cathode face and is parallel to each other, the distance between anode and cathode adjusts most 15-
30mm, setting electrophoretic voltage are 40-60V, electrophoresis time 80-100s.
Detailed description of the invention
Fig. 1 is the carbon fiber SEM figure after growing carbon nanotube.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Comparative example 1:
5 layers of two-way carbon cloth and polypropylene powder are taken, laying a layer thickness is about in the mold of 300 × 300mm die cavity
The polypropylene powder of 1mm is then covered with one layer of two-way carbon fiber woven cloth on polypropylene powder；Upper carbon fiber woven cloth upper berth again
The polypropylene powder of 1mm thickness is spread, so repeats, 5 layers of carbon fiber woven cloth is replaced into laying in mold with polypropylene powder.It will
Mold is heated to 210 DEG C, 5000kN pressure of pressurizeing, pressure maintaining 30s molding.Carbon fiber PP composite material is obtained after release, with
Embodiment 1 compares.
Embodiment 1:
The carbon nanotube aqueous isopropanol of 1.7g/L is configured, the aluminum nitrate of 0.5% weight fraction is added.It is shaken using ultrasonic wave
It swings dispersion 160min and obtains carbon nano-tube electrophoretic suspension.Configured suspension is poured into electrolytic cell, stainless steel plate is used
As electrophoresis anode, the single-layer bidirectional carbon cloth cut is as electrophoresis cathode.The distance between anode and cathode adjust to
20mm, electrophoretic voltage 40V, electrophoresis time 80s.By carbon cloth turn-over after electrophoresis, electrophoresis 80s, obtains table again
Carbon cloth of the face with carbon nanotube.Carbon fiber surface pattern after growing carbon nanotube is as shown in Figure 1.
The carbon cloth 5 and polypropylene powder with carbon nanotube prepared is taken, in the mould of 300 × 300mm die cavity
The polypropylene powder of laying a layer thickness about 1mm in having is then covered with one layer of carbon fiber for having carbon nanotube on polypropylene powder
Wei Bu；The polypropylene powder for having spreading 1mm thickness on the carbon cloth of carbon nanotube again, so repeats, and has carbon nanometer for 5 layers
The carbon cloth of pipe replaces laying with polypropylene powder in mold.Mold is heated to 210 DEG C, 5000kN pressure of pressurizeing is protected
Press 30s molding.Carbon nanotube is made after release enhances carbon fiber PP composite material.Table 1 is compound to prepare in comparative example
The composite material tensile strength prepared in material and embodiment 1 compares.
The tensile strength of 1 carbon nanotube of table enhancing front and back carbon fiber PP composite material
Comparative example 2:
Two panels single layer carbon fiber woven cloth is taken, carbon fiber-nylon-carbon fiber structural is formed with nylon blank, is placed on baking
It is laid in mold, is pressed and molded after being heated to 235 DEG C in case.Obtain carbon fiber nylon composite material.It is compared with embodiment 2.
Embodiment 2:
The carbon nanotube aqueous isopropanol of 1.5g/L is configured, the aluminum nitrate of 0.4% weight fraction is added.It is shaken using ultrasonic wave
It swings dispersion 150min and obtains carbon nano-tube electrophoretic suspension.Configured suspension is poured into electrolytic cell, stainless steel plate is used
As electrophoresis anode, the single-layer bidirectional carbon cloth cut is as electrophoresis cathode.The distance between anode and cathode adjust to
20mm, electrophoretic voltage 40V, electrophoresis time 80s.By carbon cloth turn-over after electrophoresis, electrophoresis 80s, obtains table again
Carbon cloth of the face with carbon nanotube.
2 layers of carbon cloth with carbon nanotube prepared are taken, form carbon fiber-nylon-carbon fiber with nylon blank
Sandwich structure, be placed in baking oven after being heated to 235 DEG C and be laid in mold, be pressed and molded.Obtain carbon nanotube increasing
Strong nylon composite materials.Table 2 is the composite material for preparing and the composite material bending strength pair prepared in embodiment 2 in comparative example
Than.
The bending strength of 2 carbon nanotube of table enhancing front and back carbon fiber nylon composite material
Comparative example 3:
5 layers of two-way carbon cloth and ABS (acrylonitrile-butadiene-styrene (ABS)) powder are taken, in the mould of 300 × 300mm die cavity
The ABS powder of laying a layer thickness about 1mm, is then covered with one layer of two-way carbon fiber woven cloth on ABS powder in having；Upper carbon fiber again
The ABS powder of spreading 1mm thickness in woven cloth is tieed up, so repeats, 5 layers of carbon fiber woven cloth is replaced into laying in mould with ABS powder
In tool.Mold is heated to 230 DEG C, 5000kN pressure of pressurizeing, pressure maintaining 25s molding.Carbon fiber ABS composite wood is obtained after release
Material, compares with embodiment 3.
Embodiment 3:
The carbon nanotube aqueous isopropanol of 1.8g/L is configured, the aluminum nitrate of 0.6% weight fraction is added.It is shaken using ultrasonic wave
It swings dispersion 180min and obtains carbon nano-tube electrophoretic suspension.Configured suspension is poured into electrolytic cell, stainless steel plate is used
As electrophoresis anode, the single-layer bidirectional carbon cloth cut is as electrophoresis cathode.The distance between anode and cathode adjust to
20mm, electrophoretic voltage 40V, electrophoresis time 100s.By carbon cloth turn-over after electrophoresis, electrophoresis 100s, is obtained again
Carbon cloth of the surface with carbon nanotube.Carbon fiber surface pattern after growing carbon nanotube is as shown in Figure 1.
The carbon cloth 5 and ABS (acrylonitrile-butadiene-styrene (ABS)) powder with carbon nanotube prepared is taken,
The ABS powder of laying a layer thickness about 1mm in the mold of 300 × 300mm die cavity is then covered with one layer with carbon on ABS powder
The carbon cloth of nanotube；The ABS powder for having spreading 1mm thickness on the carbon cloth of carbon nanotube again, so repeats, by 5 layers
Carbon cloth with carbon nanotube replaces laying in mold with ABS powder.Mold is heated to 230 DEG C, pressurize 5000kN
Pressure, pressure maintaining 25s, which is formed, is made carbon nanotube enhancing carbon fiber ABS composite material.Table 3 is the composite material prepared in comparative example
It is compared with the composite material interlayer shear strength prepared in embodiment 3.
The interlaminar shear strength of 2 carbon nanotube of table enhancing front and back carbon fiber ABS composite material
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Those skilled in the art can make a variety of variations to the present invention according to the above description.Thus, it is not violating
Under the premise of claim objective of the invention, certain details in embodiment should not constitute limitation of the invention, the present invention
It will be using the range that the appended claims define as protection scope.
Claims (4)
1. a kind of preparation method of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites characterized by comprising
Configure carbon nano-tube electrophoretic suspension；It disperses carbon nanotube in isopropanol dispersion liquid, it is dense to be configured to 1.5-1.7g/L
The carbon nanotube isopropanol dispersion liquid of degree；The aluminum nitrate of weight fraction 0.3-0.8% is then added in the dispersion liquid, it will be molten
Liquid obtains carbon nano-tube electrophoretic suspension after dispersing 150-180min with supersonic oscillations；
Carbon nanotube is grown in carbon fiber surface；The carbon nano-tube electrophoretic suspension prepared is placed in electrolytic cell, is made
Use stainless steel plate as anode, the carbon cloth cut out carries out the carbon nano-tube electrophoretic deposition of carbon fiber surface as cathode；
Carbon cloth obtained after electrophoretic deposition is placed in baking oven dry 80-120min；
By thermoplastic resin and it is dry after carbon cloth be heated to 170-240 DEG C after, be placed in hot-forming in mold, be prepared into
Enhance composite thermoplastic carbon fiber material to carbon nanotube.
2. the preparation method of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites according to claim 1,
It is characterized in that, the carbon cloth is unidirectional lamination, two-way carbon cloth, any one in 3D weaving carbon fiber cloth.
3. the preparation method of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites according to claim 1,
It is characterized in that, the thermoplastic resin is polypropylene, polyethylene, polyamide, polyformaldehyde, any one in poly- carbon ether.
4. the preparation method of carbon nanotube enhancing thermoplastic carbon fiber polymer matrix composites according to claim 1,
It is characterized in that, anode and cathode face and be parallel to each other, the distance between anode and cathode adjusts most 15-30mm, setting electricity
Swimming voltage is 40-60V, electrophoresis time 80-100s.
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Cited By (3)
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| CN112163273A (en) * | 2020-09-26 | 2021-01-01 | 上海交通大学 | Multi-scale equivalent modeling method for trapezoidal corrugated sandwich cylindrical shell made of composite material |
| CN112301743A (en) * | 2020-10-30 | 2021-02-02 | 西安工程大学 | Preparation method of electrophoretic deposition hollow microsphere loaded carbon fiber fabric composite material |
| CN112652737A (en) * | 2020-12-11 | 2021-04-13 | 北京航空航天大学 | Composite material structure battery based on carbon fiber and mobile phone shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112163273A (en) * | 2020-09-26 | 2021-01-01 | 上海交通大学 | Multi-scale equivalent modeling method for trapezoidal corrugated sandwich cylindrical shell made of composite material |
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| CN112652737A (en) * | 2020-12-11 | 2021-04-13 | 北京航空航天大学 | Composite material structure battery based on carbon fiber and mobile phone shell |
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Application publication date: 20190125 |