CN105694372A - Carbon fiber reinforced epoxy resin composite and preparation method thereof - Google Patents
Carbon fiber reinforced epoxy resin composite and preparation method thereof Download PDFInfo
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- CN105694372A CN105694372A CN201610235881.4A CN201610235881A CN105694372A CN 105694372 A CN105694372 A CN 105694372A CN 201610235881 A CN201610235881 A CN 201610235881A CN 105694372 A CN105694372 A CN 105694372A
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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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
- C08K2201/011—Nanostructured 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Abstract
The invention provides a carbon fiber reinforced epoxy resin composite, comprising the components according to parts by weight: 45-60 parts of epoxy resin, 10-15 parts of a toughener, 4-5 parts of a smoothening agent, 15-20 parts of a solidifying agent, 1-2 parts of an accelerant, 5-10 parts of a thickener, 1-3 parts of a release agent, 5-10 parts of a compatibilizer, 10-15 parts of nano barium sulfate, 8-12 parts of UHMWPE (ultrahigh molecular weight polyethylene), and 10-16 parts of carbon fiber. The invention also discloses a preparation method of the carbon fiber reinforced epoxy resin composite. The carbon fiber reinforced epoxy resin composite has good scratch resistance.
Description
Technical field:
The present invention relates to a kind of carbon-fibre reinforced epoxy resin composite material, particularly relate to a kind of carbon-fibre reinforced epoxy resin composite material for bicycle accessories and preparation method thereof。
Background technology:
Carbon fibre composite is the new material that the class emerged is very prominent, it can be taken into account the performance of carbon fiber and matrix and becomes the more excellent structural timber of combination property and have the functional material of property, is broadly divided into carbon fiber resin matrix composite and metal-base composites。Metallic matrix has the performances such as high intensity, thermostability, electrical and thermal conductivity and anti-moisture absorption are aging, but its manufacturing process and internal structure are more complicated, present stage research mainly optimizes its manufacturing process of design, improve the compatibility of carbon fiber and matrix, give full play to the performance advantage of this composite, and then open up its application market。Polymer matrix composites develop prior to metal-base composites, start from the initial stage sixties, are grow up on the basis of fiberglass reinforced plastics (fiberglass)。Owing to its proportion is little, mechanical property and chemical property better, popularization and application widely are obtained from the eighties, a large amount of as aircraft light material, and with the reduction of cost, also obtain in the devices such as constitutional detail and sports and amusement such as machinery, chemical industry, automobile, bicycle and be widely applied。
Epoxy resin is excellent thermosetting resin, it is compared with the unsaturated polyester resin widely applied at present, there is more excellent physical property, electrical insulation capability, resistance to chemical corrosion, heat-resisting and bond properties, be a kind of matrix material the most general, most important and structural material at present。Carbon-fibre reinforced epoxy resin composite material, its specific strength, specific modulus aggregative indicator, be the highest in existing structure material。Have the field of strict demand in rigidity, weight, fatigue properties etc., in the occasion requiring that high temperature, chemical stability are high, carbon fibre composite all has much advantage。According to investigating roughly display, China be currently used for epoxy radicals fibre reinforced composites needed for epoxy resin total amount at about 150,000 tons, and annual with 20% speed increment。
Such as, publication number is CN101805493B, publication date is 2012.03.07, apply for artificial Zhongshan University, the Chinese patent of Dongguan Tai He composite company limited discloses " a kind of high-temperature resistance carbon fiber/epoxy resin composite material and preparation method and purposes ", curing molding including the preparation of prepreg and composite, the method is by introducing a class subsidence feed fatty amine hydrofluoride, reduce composite molding time in a mold, be effectively improved production efficiency and reduce production cost and the storage period of prepreg will not be reduced；By high-temperature heat treatment, improving the crosslink density of resin further, be favorably improved the glass transition temperature of composite, meanwhile, high-temperature heat treatment can eliminate the internal stress produced because of fast setting effectively；The composite prepared has good mechanical property and wearability, and the glass transition temperature of composite is between 190～210 DEG C, it is possible to meet the requirement of resistance to 180 DEG C of hot environments。This composite can be used for the preparation of stress rod member in automobile, bicycle, aircraft or the application in the preparation of pipeline, preserving jar and reactor。But, this invention there is also certain defect: its scraping and wiping resistance performance is not as, scraping and wiping resistance performance refers to when material is subject to External Force Acting, resistivity and deformation absorbability to external force, and when this resistivity is little and this deformation absorb (generation plastic deformation) original state can not be returned to time, substrate surface is just destroyed, produce cut, scraping and wiping resistance performance is main relevant with the hardness of material and coefficient of friction, hardness is more high, the more low then scraping and wiping resistance performance of coefficient of friction is more good, and this invention is all less desirable in hardness and coefficient of friction。
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of carbon-fibre reinforced epoxy resin composite material, and it has good scraping and wiping resistance performance。
For solving above-mentioned technical problem, the technical scheme is that
A kind of carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: its weight portion composition includes: epoxy resin 45～60 parts, toughener 10～15 parts, slipping agent 4～5 parts, 15～20 parts of firming agent, accelerator 1～2 part, thickening agent 5～10 parts, releasing agent 1～3 part, bulking agent 5～10 parts, nano barium sulfate 10～15 parts, UHMWPE8～12 part, 10～16 parts of carbon fiber。
Preferably, epoxy resin of the present invention is bisphenol A type epoxy resin or bisphenol-s epoxy resin。
Preferably, toughener of the present invention is amino terminated liquid nitrile rubber。
Preferably, slipping agent of the present invention is erucyl amide。
Preferably, firming agent of the present invention is amine curing agent。
Preferably, accelerator of the present invention is imidazoles accelerator。
Preferably, thickening agent of the present invention is TDI。
Preferably, releasing agent of the present invention is calcium stearate。
Preferably, bulking agent of the present invention is EVA-g-MAH。
The preparation method that another technical problem that the invention solves the problems that is to provide above-mentioned carbon-fibre reinforced epoxy resin composite material。
For solving above-mentioned technical problem, technical scheme is:
The preparation method of a kind of carbon-fibre reinforced epoxy resin composite material, comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender epoxy resin, toughener, slipping agent, firming agent, accelerator, thickening agent, releasing agent, bulking agent, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
Compared with prior art, the method have the advantages that
1) particle diameter of nano barium sulfate is less, hardness is higher, but there is hydroxyl in its surface, present oleophobic property, the compatibility with epoxy resin-base is poor, direct blended time both bond strength very low, nano barium sulfate easily precipitates out, raising poor effect to composite hardness aspect, also result in mechanical properties decrease, therefore it has been carried out graft modification by the present invention, PMMA is grafted to the surface of nano barium sulfate, greatly reduce the hydroxyl on its surface, and define one layer of PMMA clad, the oleophobic property on its surface is become lipophile, improve the compatibility between nano barium sulfate and epoxy resin-base and interface bond strength, thus being effectively increased the hardness of composite, improve the scraping and wiping resistance performance of composite；Additionally, nano barium sulfate also has stronger resistance to acids and bases and resistance to water, resistance to acids and bases and the resistance to water of composite therefore also can be effectively improved。
2) UHMWPE is the English name of ultra-high molecular weight polyethylene, it has extremely low coefficient of friction, in order to improve the compatibility between itself and epoxy resin-base, the present invention also with the addition of bulking agent simultaneously, under the help of bulking agent, UHMWPE and epoxy resin-base define stronger combination, effectively reduce the coefficient of friction of composite, further increase scraping and wiping resistance performance；Additionally, UHMWPE has extremely low brittle temperature, the resistance to low temperature of composite therefore also can be effectively improved。
Detailed description of the invention:
Describing the present invention in detail below in conjunction with specific embodiment, illustrative examples and explanation in this present invention are used for explaining the present invention, but not as a limitation of the invention。
Embodiment 1
Carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: bisphenol-s epoxy resin 50 parts, amino terminated liquid nitrile rubber 11 parts, erucyl amide 4 parts, amine curing agent 20 parts, imidazoles accelerator 1.2 parts, TDI7 part, calcium stearate 1.5 parts, EVA-g-MAH5 part, nano barium sulfate 11 parts, UHMWPE9.5 part, 15 parts of carbon fiber。
Its preparation method comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender bisphenol-s epoxy resin, amino terminated liquid nitrile rubber, erucyl amide, amine curing agent, imidazoles accelerator, TDI, calcium stearate, EVA-g-MAH, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
Embodiment 2
Carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: bisphenol-s epoxy resin 55 parts, amino terminated liquid nitrile rubber 13 parts, erucyl amide 5 parts, amine curing agent 15 parts, imidazoles accelerator 1.8 parts, TDI9 part, calcium stearate 2.5 parts, EVA-g-MAH7 part, nano barium sulfate 13 parts, UHMWPE12 part, 12 parts of carbon fiber。
Its preparation method comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender bisphenol-s epoxy resin, amino terminated liquid nitrile rubber, erucyl amide, amine curing agent, imidazoles accelerator, TDI, calcium stearate, EVA-g-MAH, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
Embodiment 3
Carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: bisphenol A type epoxy resin 45 parts, amino terminated liquid nitrile rubber 15 parts, erucyl amide 4.4 parts, amine curing agent 17 parts, imidazoles accelerator 1.4 parts, TDI8 part, calcium stearate 2 parts, EVA-g-MAH9 part, nano barium sulfate 15 parts, UHMWPE10.5 part, 16 parts of carbon fiber。
Its preparation method comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender bisphenol A type epoxy resin, amino terminated liquid nitrile rubber, erucyl amide, amine curing agent, imidazoles accelerator, TDI, calcium stearate, EVA-g-MAH, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
Embodiment 4
Carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: bisphenol-s epoxy resin 60 parts, amino terminated liquid nitrile rubber 10 parts, erucyl amide 4.8 parts, amine curing agent 16 parts, imidazoles accelerator 1.5 parts, TDI6 part, calcium stearate 3 parts, EVA-g-MAH6 part, nano barium sulfate 14 parts, UHMWPE11 part, 14 parts of carbon fiber。
Its preparation method comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender bisphenol A type epoxy resin, amino terminated liquid nitrile rubber, erucyl amide, amine curing agent, imidazoles accelerator, TDI, calcium stearate, EVA-g-MAH, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
Embodiment 5
Carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: bisphenol-s epoxy resin 48 parts, amino terminated liquid nitrile rubber 12 parts, erucyl amide 4.2 parts, amine curing agent 19 parts, imidazoles accelerator 1 part, TDI10 part, calcium stearate 1.4 parts, EVA-g-MAH8 part, nano barium sulfate 12 parts, UHMWPE9 part, 10 parts of carbon fiber。
Its preparation method comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender bisphenol-s epoxy resin, amino terminated liquid nitrile rubber, erucyl amide, amine curing agent, imidazoles accelerator, TDI, calcium stearate, EVA-g-MAH, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
Embodiment 6
Carbon-fibre reinforced epoxy resin composite material, its weight portion composition includes: bisphenol A type epoxy resin 56 parts, amino terminated liquid nitrile rubber 14 parts, erucyl amide 4.5 parts, amine curing agent 18 parts, imidazoles accelerator 2 parts, TDI5 part, calcium stearate 1 part, EVA-g-MAH10 part, nano barium sulfate 10 parts, UHMWPE10 part, 11 parts of carbon fiber。
Its preparation method comprises the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender bisphenol A type epoxy resin, amino terminated liquid nitrile rubber, erucyl amide, amine curing agent, imidazoles accelerator, TDI, calcium stearate, EVA-g-MAH, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
The scraping and wiping resistance performance of embodiment 1-6 and comparative example is tested, wherein,
Comparative example is publication number is the Chinese patent of CN101805493B；
Scraping and wiping resistance performance test is divided into two aspects: (1) reference standard GMW14688 color difference meter tests the brightness flop Δ L-value of each composite；(2) test glossiness (load is 9N) with reference to ISO105 method, rub 600 times, calculate glossiness rate of change (ROG) by following formula:
Glossiness × 100% before ROG=(glossiness after glossiness friction before friction)/friction。
Δ L-value and ROG value is more little shows that scraping and wiping resistance performance is more good。
Test result is as shown in the table:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example | |
| ΔL | 0.84 | 0.88 | 0.75 | 0.77 | 0.83 | 0.80 | 3.37 |
| ROG/% | 4.2 | 3.9 | 3.5 | 3.8 | 4.0 | 3.6 | 13.3 |
As can be seen from the above table, the Δ L-value of embodiment 1-6 and ROG value, all significantly lower than comparative example, show good scraping and wiping resistance performance。
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention。Above-described embodiment all under the spirit and category of the present invention, can be modified or change by any those skilled in the art。Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention。
Claims (10)
1. a carbon-fibre reinforced epoxy resin composite material, it is characterised in that its weight portion composition includes: epoxy resin 45～60 parts, toughener 10～15 parts, slipping agent 4～5 parts, 15～20 parts of firming agent, accelerator 1～2 part, thickening agent 5～10 parts, releasing agent 1～3 part, bulking agent 5～10 parts, nano barium sulfate 10～15 parts, UHMWPE8～12 part, 10～16 parts of carbon fiber。
2. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described epoxy resin is bisphenol A type epoxy resin or bisphenol-s epoxy resin。
3. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described toughener is amino terminated liquid nitrile rubber。
4. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described slipping agent is erucyl amide。
5. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described firming agent is amine curing agent。
6. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described accelerator is imidazoles accelerator。
7. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described thickening agent is TDI。
8. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described releasing agent is calcium stearate。
9. a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1, it is characterised in that: described bulking agent is EVA-g-MAH。
10. the preparation method of a kind of carbon-fibre reinforced epoxy resin composite material according to claim 1～9 any one, it is characterised in that: comprise the following steps:
(1) by nano-barium sulfate powder with at 105 DEG C of baking oven dry 4 hours, put into radiant bottles, radiant bottles is placed in605cm place below Co radiation source, radiates 2 hours, stands 5 hours, obtain pre-irradiated nano barium sulfate after taking-up；
(2) pre-irradiated nano barium sulfate step (1) obtained adds in the deionized water solution of emulsifying agent, stirring obtains mixed emulsion after being uniformly dispersed, it is added drop-wise in mixed emulsion by after MMA, BPO mix homogeneously, heating is to 90 DEG C, discharging after 3 hours, sucking filtration, washing, dry, obtain Grafted Nano-scale barium sulfate；
(3) Grafted Nano-scale barium sulfate addition blender epoxy resin, toughener, slipping agent, firming agent, accelerator, thickening agent, releasing agent, bulking agent, UHMWPE and step (2) obtained by formula ratio stirs, move in screw extruder and melt extrude at 190～230 DEG C, obtain extruded stock, acetone is added extruded stock stir, obtain epoxide-resin glue；
(4) by formula ratio, carbon fiber is made carbon fiber felt, put into sealed mold after mould, under 0.8Pa vacuum, the epoxide-resin glue that step (3) obtains is fed in mould, by mould 40 DEG C, keep 3 hours under 7MPa pressure, proceed to vacuum drying oven, 110 DEG C, keep 2 hours under 0.6Pa vacuum, obtain carbon-fibre reinforced epoxy resin composite material。
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| CN106674900A (en) * | 2016-12-21 | 2017-05-17 | 芜湖天道绿色新材料有限公司 | Fiber-enhanced epoxy resin composition for quickly forming automobile part and preparation method thereof |
| CN108192182A (en) * | 2017-12-05 | 2018-06-22 | 复旦大学 | No-dig technique underground pipe network reparation CIPP hoses, preparation method and application |
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| CN114181496A (en) * | 2021-12-25 | 2022-03-15 | 广东盈骅新材料科技有限公司 | Epoxy resin composite material, prepreg and laminated board |
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| CN114181496B (en) * | 2021-12-25 | 2023-10-20 | 广东盈骅新材料科技有限公司 | Epoxy resin composite material, prepreg and laminated board |
| CN114907803A (en) * | 2022-06-28 | 2022-08-16 | 福建龙岩方圆水泥制品有限公司 | Modified epoxy resin composite material for reinforcing cement electric pole and preparation method thereof |
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