CN107163506A - Epoxy resin-based composite material and preparation method thereof - Google Patents
Epoxy resin-based composite material and preparation method thereof Download PDFInfo
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- CN107163506A CN107163506A CN201710524609.2A CN201710524609A CN107163506A CN 107163506 A CN107163506 A CN 107163506A CN 201710524609 A CN201710524609 A CN 201710524609A CN 107163506 A CN107163506 A CN 107163506A
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- Prior art keywords
- epoxy resin
- resin material
- fiber
- reinforced fabric
- epoxide resin
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 96
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 96
- 239000002131 composite material Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 81
- 239000004744 fabric Substances 0.000 claims abstract description 63
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 10
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 36
- 239000004593 Epoxy Substances 0.000 claims description 35
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 12
- 230000008021 deposition Effects 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 description 19
- 239000011347 resin Substances 0.000 description 19
- 239000011159 matrix material Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002118 epoxides Chemical group 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- 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
- C08K9/00—Use of pretreated ingredients
-
- 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
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention provides an epoxy resin-based composite material which is characterized by comprising a fiber reinforced fabric and an epoxy resin material, wherein the epoxy resin material comprises epoxy resin, a curing agent and graphite fluoride. Meanwhile, a preparation method of the epoxy resin-based composite material is provided, wherein graphite fluoride is dispersed in a curing agent, and then the curing agent is mixed with epoxy resin to obtain the epoxy resin material; coating the obtained epoxy resin material on one side of the first layer of fiber-reinforced fabric, sequentially laying the remaining layers of fiber-reinforced fabric, demolding cloth and flow guide net on the side of the first layer of fiber-reinforced fabric coated with the epoxy resin material, vacuumizing, introducing the epoxy resin material into the fiber-reinforced fabric, and curing to obtain the epoxy resin-based composite material. The preparation method solves the pinhole phenomenon on the surface of the material, greatly reduces the number of pores on the unit surface, and almost achieves the ideal effect of no pore.
Description
Technical field
The invention belongs to polymeric material field, it is related to a kind of epoxide resin material, more particularly to a kind of epoxy resin-matrix
Composite.
Background technology
In recent years, fiber-reinforced resin matrix compound material is due to the excellent mechanical performance of its high-strength light, gradually in market
On start one upsurge, be even more as high made of new structural material to be employed for the fields such as space flight, automobile.In fiber-reinforced resin base
In composite, matrix by interface by load be efficiently transferred to enhancing quite in, fiber be subject to by matrix transmission Lai
Payload, is primary load bearing phase.Resin system after fiber reinforcement compared with pure resin material, its modulus, corrosion resistance,
The advantages of impact resistance, heat resistance, is greatly improved.It is well known that the macromolecule containing epoxide group in all molecular structures
Compound is referred to as epoxy resin, and it is a kind of excellent thermosetting resin.Compared with the unsaturated polyester resin applied at present,
Epoxy resin after solidification has more excellent mechanical property, corrosion resistance, heat resistance etc..Instantly, epoxy resin is applied in powder
The fields such as material, encapsulating compound, bonding agent have been widely used, and are even more to exhibit one's skill to the full in fibre reinforced composites field.It
And the combination of glass fibre, Kafra fiber, carbon fiber grade high performance fibers, has attracted sprouting for structure function material of new generation
Bud, can be widely used in the key areas such as Aero-Space, sports equipment, architectural engineering, chemical industry protection.
Vacuum assisted resin water conservancy diversion technique, it is under the vacuum pressures, by the driving of pressure differential, to utilize to change forming technique
The dipping to fabric, and curing molding at vacuum pressure conditions are realized in flowing, the infiltration of resin.Past 25 years with
Come, vacuum assisted resin water conservancy diversion technique is one of moulding process for being most widely used in composite manufacturing, main tool
There is following advantage：1) resin impregnates fabric reinforcement under vacuum conditions, ensure that and does not stay unnecessary resin in system,
Fiber volume fraction is very high, makes higher quality product；2) technique accurately controls resin demand, resin loss is reached most
It is few, it is cost-effective；3) vacuum pressure of different piece is identical, it is meant that relatively equal by the resin distribution of the technique finished product
It is even；4) one-side mould, another side is vacuum bag, can only with the face mould product smooth with regard to that can obtain one-sided smooth, another side
Preferably to control product thickness, die manufacturing cost and time have been saved.
Compared with conventional fabrication processes, bubble is few in the product that vacuum assisted resin water conservancy diversion technique is prepared, and porosity is low,
Quality is lower, and intensity is higher, and the difference between batch is more stable.However, in preparation, it is still defective.It is auxiliary using vacuum at present
Fibre reinforced epoxy resin composite surface prepared by resin guide technique is helped although being improved, but there is phase
The pin hole of equivalent.Its main cause is still because fabric face Presence of an interface space, and resin has certain viscosity because of it, solid
Have little time to fill up during change, and the hot expansion property due to epoxy resin in itself, generate the phenomenon of Pinhole-shaped aperture.Mesh
The most frequently used solution is that surface spraying processing is carried out on the basis of product is formed in preceding industry, although effective and feasible, but
It is to have had more subsequent treatment link to show slightly burden；And many laboratory research directions are that fabric is modified so as to reinforcing fiber
With the wellability of interlaminar resin, although some result of the test effects significantly, but still belong to scientific research level, can not apply to industry
Production.
The content of the invention
For technical problem present in prior art, the present invention provides a kind of epoxy resin-base composite material and its preparation
Method, the preparation method solves the pin-hole phenomena of material surface, greatly reduces the stomatal number of per surface, almost accomplishes
Imperforate ideal effect.
To reach above-mentioned purpose, the present invention uses following technical scheme：
One of the object of the invention is to provide a kind of epoxy resin-base composite material, and the composite includes fiber reinforcement
Fabric and epoxide resin material, wherein the epoxide resin material includes epoxy resin, curing agent and fluorographite.
As currently preferred technical scheme, the mass ratio of curing agent and epoxy resin is in the epoxide resin material
(0.1~0.5):1, such as 0.1:1、0.15:1、0.2:1、0.25:1、0.3:1、0.35:1、0.4:1 or 0.45:1 etc., but not
It is only limitted to other unrequited numerical value in cited numerical value, the number range equally applicable.
Preferably, the mass ratio of the fluorographite and epoxy resin is (0.03~0.06):1, such as 0.03:1、0.035:
1、0.04:1、0.045:1、0.05:1、0.055:1 or 0.06:1 etc., it is not limited to cited numerical value, the number range
Other interior unrequited numerical value are equally applicable.
As currently preferred technical scheme, the number of plies >=2 of the fiber-reinforced fabric, such as 2,3,4,5,6,7,8,9,
10th, 12,15,18,20,30,40 or 50 etc., it is not limited to other are unrequited in cited numerical value, the number range
Numerical value is equally applicable.
The two of the object of the invention are to provide a kind of preparation method of above-mentioned epoxy resin-base composite material, methods described bag
Include following steps：
(1) by Graphite fluoride Composite Deposition in curing agent, then curing agent mixed with epoxy resin, obtains epoxy resin material
Material；
(2) epoxide resin material obtained in first layer fiber-reinforced fabric side coating step (1), it is fine then at first layer
The side that dimension enhancing fabric coating has epoxide resin material is coated with remaining each layer fiber-reinforced fabric, release cloth and water conservancy diversion successively
Net, is then vacuumized, and epoxide resin material is imported into fiber-reinforced fabric, solidification, obtains epoxy resin-base composite material.
The position that stomata is produced in epoxy resin-base composite material is mainly the intervening portion of fiber-reinforced fabric, therefore
First layer fiber-reinforced fabric side coats one layer of one layer of epoxide resin material of coating in advance, is carrying out subsequent operation, Neng Gouzeng
Plus the wellability of fiber-reinforced fabric, reduce the porosity of composite.
As currently preferred technical scheme, described be dispersed under ultrasound of step (1) is carried out.
Preferably, the ultrasonic time be 10~20min, such as 10min, 11min, 12min, 13min, 14min,
15min, 16min, 17min, 18min, 19min or 20min etc., it is not limited in cited numerical value, the number range
Other unrequited numerical value are equally applicable.
As currently preferred technical scheme, after step (1) described curing agent is mixed with epoxy resin, to obtaining temperature
Epoxide resin material carries out vacuumize process.
Preferably, the time of the vacuumize process be 5~15min, such as 5min, 6min, 7min, 8min, 9min,
10min, 11min, 12min, 13min, 14min or 15min etc., it is not limited in cited numerical value, the number range
Other unrequited numerical value are equally applicable.
Enter due in hybrid resin system, having partial air in epoxy-resin systems, first it is taken out with vacuum tank
Vacuum, carries out vacuumize process, it can be ensured that vacuum condition, epoxide resin material is being led to the epoxide resin material prepared
Also can be evenly when entering fiber-reinforced fabric.Should not be too fast to epoxide resin material vacuum pumping rate, it should be completed in more than 5min,
Otherwise the solidification of epoxide resin material can be caused.
It is used to be coated in first layer fiber-reinforced fabric side as currently preferred technical scheme, in step (2)
Epoxide resin material is the 5~15% of epoxide resin material that step (1) is obtained, such as 5%, 6%, 7%, 8%, 9%, 10%,
11%th, 12%, 13%, 14% or 15% etc., it is not limited to other are unrequited in cited numerical value, the number range
Numerical value is equally applicable.
Epoxy resin, curing agent and fiber-reinforced fabric that the present invention is used, and preparation method of the present invention step
Suddenly other operations of (2) after the epoxide resin material that first layer fiber-reinforced fabric side coating step (1) is obtained, are this
Art personnel just repeat no more to prepare the technological means well known to fibre-reinforced epoxy resin composite material.
By the present invention in that being modified with fluorographite to epoxide resin material, the mobility of epoxy resin is enhanced,
Improve dispersiveness of the epoxy resin in fiber-reinforced fabric, at the same by preparation process in first layer fiber-reinforced fabric
Side coats one layer of epoxide resin material in advance, and increase fiber-reinforced fabric is to the wellability of epoxide resin material, the two collaboration
Effect, reduces the porosity of epoxy resin-base composite material, and by carrying out vacuumize process to epoxide resin material, enters one
Step reduces the porosity of composite, improves the mechanical performance of composite.
Compared with prior art, the present invention at least has the advantages that：
(1) present invention provides a kind of epoxy resin-base composite material, and the composite has excellent mechanical performance；
(2) present invention provides a kind of preparation method of epoxy resin-base composite material, and the preparation method is solved well
The pin-hole phenomena of material surface, greatly reduces the porosity of per surface, visually observes the composite material surface almost
Pore-free；
(3) present invention provides a kind of preparation method of epoxy resin-base composite material, and the preparation method eliminates existing
Surface spraying handling process in technology, reduces production cost；
(4) present invention provides a kind of preparation method of epoxy resin-base composite material, and the preparation method technique is simple, can
For industrialized production.
Brief description of the drawings
Fig. 1 is the metallographic microscope figure for the epoxy resin-base composite material that the present invention is prepared；
Fig. 2 is the metallographic microscope figure of the epoxy resin-base composite material prepared using prior art.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
For the present invention is better described, technical scheme is readily appreciated, of the invention is typical but non-limiting
Embodiment is as follows：
Embodiment 1
A kind of preparation method of epoxy resin-base composite material, the described method comprises the following steps：
(1) by 7.5g fluorographites ultrasonic disperse in 50g curing agent 10min, then by the curing agent containing fluorographite
Mixed with 200g epoxy resin, obtain epoxide resin material, vacuumize process is carried out to obtained epoxide resin material, vacuumized
Time is 5min；
(2) the epoxide resin material 30g obtained in first layer fiber-reinforced fabric side coating step (1), then at first
Layer fiber-reinforced fabric be coated with epoxide resin material side be coated with successively remaining 9 layers of fiber-reinforced fabric, release cloth and
Flow-guiding screen, is then vacuumized, and epoxide resin material is imported into fiber-reinforced fabric, solidification, obtains epoxy resin-matrix composite wood
Material.
Embodiment 2
A kind of preparation method of epoxy resin-base composite material, the described method comprises the following steps：
(1) by 6g fluorographites ultrasonic disperse in 20g curing agent 12min, then by the curing agent containing fluorographite with
200g epoxy resin is mixed, and obtains epoxide resin material, vacuumize process is carried out to obtained epoxide resin material, when vacuumizing
Between be 10min；
(2) the epoxide resin material 11.3g obtained in first layer fiber-reinforced fabric side coating step (1), then at
One layer of fiber-reinforced fabric be coated with epoxide resin material side be coated with successively remaining 2 layers of fiber-reinforced fabric, release cloth with
And flow-guiding screen, then vacuumize, epoxide resin material is imported into fiber-reinforced fabric, solidify, obtain epoxy resin-matrix and be combined
Material.
Embodiment 3
A kind of preparation method of epoxy resin-base composite material, the described method comprises the following steps：
(1) by 12g fluorographites ultrasonic disperse in 100g curing agent 20min, then by the curing agent containing fluorographite
Mixed with 200g epoxy resin, obtain epoxide resin material, vacuumize process is carried out to obtained epoxide resin material, vacuumized
Time is 15min；
(2) the epoxide resin material 46.8g obtained in first layer fiber-reinforced fabric side coating step (1), then at
One layer of fiber-reinforced fabric be coated with epoxide resin material side be coated with successively remaining 15 layers of fiber-reinforced fabric, release cloth with
And flow-guiding screen, then vacuumize, epoxide resin material is imported into fiber-reinforced fabric, solidify, obtain epoxy resin-matrix and be combined
Material.
Embodiment 4
A kind of preparation method of epoxy resin-base composite material, the described method comprises the following steps：
(1) by 8g fluorographites ultrasonic disperse in 40g curing agent 15min, then by the curing agent containing fluorographite with
200g epoxy resin is mixed, and obtains epoxide resin material, vacuumize process is carried out to obtained epoxide resin material, when vacuumizing
Between be 8min；
(2) the epoxide resin material 24.8g obtained in first layer fiber-reinforced fabric side coating step (1), then at
One layer of fiber-reinforced fabric be coated with epoxide resin material side be coated with successively remaining 5 layers of fiber-reinforced fabric, release cloth with
And flow-guiding screen, then vacuumize, epoxide resin material is imported into fiber-reinforced fabric, solidify, obtain epoxy resin-matrix and be combined
Material.
Embodiment 5
A kind of preparation method of epoxy resin-base composite material, the described method comprises the following steps：
(1) by 10g fluorographites ultrasonic disperse in 80g curing agent 15min, then by the curing agent containing fluorographite with
200g epoxy resin is mixed, and obtains epoxide resin material, vacuumize process is carried out to obtained epoxide resin material, when vacuumizing
Between be 12min；
(2) the epoxide resin material 35g obtained in first layer fiber-reinforced fabric side coating step (1), then at first
Layer fiber-reinforced fabric be coated with epoxide resin material side be coated with successively remaining 12 layers of fiber-reinforced fabric, release cloth and
Flow-guiding screen, is then vacuumized, and epoxide resin material is imported into fiber-reinforced fabric, solidification, obtains epoxy resin-matrix composite wood
Material.
Embodiment 6
A kind of preparation method of epoxy resin-base composite material, methods described is except the epoxy prepared to step (1)
Resin material without vacuumize process outside.
Comparative example 1
A kind of preparation method of epoxy resin-base composite material, methods described in addition to step (1) is added without fluorographite,
Other conditions are same as Example 1.
Comparative example 2
A kind of preparation method of epoxy resin-base composite material, methods described does not increase except step (2) in first layer fiber
Outside the epoxide resin material that strong fabric side coating step (1) is obtained, other conditions are same as Example 1.
Comparative example 3
A kind of preparation method of epoxy resin-base composite material, methods described is except the time vacuumized step (1) Suo Shu
Outside for 3min, other conditions are same as Example 1.
The sample area 25cm*25cm of selection, the epoxy resin-matrix prepared to embodiment 1-6 and comparative example 1-3
The surface average air hole count and average pore diameter of composite are tested, as a result as shown in table 1.
Table 1
As it can be seen from table 1 the epoxy resin-base composite material surfaces that prepare of embodiment 1-5 almost pore-free, and
Embodiment 6 does not carry out vacuumize process due to the epoxide resin material that step (1) is obtained, and surface has a small amount of stomata and produced,
And hole diameter is smaller.And comparative example 1 does not add fluorographite, average pore number is up to 0.68/cm2, and average pore
It is relatively large in diameter, average pore diameter is up to 230 μm；Step (2) is not coated in first layer fiber-reinforced fabric side and walked in comparative example 2
Suddenly the epoxide resin material that (1) is obtained, average pore number is up to 0.60/cm2, average pore diameter is up to 50 μm；Comparative example 3 is taken out
Vacuum value of velocity is very fast, causes part epoxy to solidify, branch is not uniform enough in fiber-reinforced fabric, causes average pore
Count up to 0.65/cm2, average pore diameter is up to 150 μm.
Applicant states that the present invention illustrates the detailed construction feature of the present invention by above-described embodiment, but the present invention is simultaneously
Above-mentioned detailed construction feature is not limited to, that is, does not mean that the present invention has to rely on above-mentioned detailed construction feature and could implemented.Institute
Belong to those skilled in the art it will be clearly understood that any improvement in the present invention, to the equivalence replacement of part selected by the present invention
And increase, the selection of concrete mode of accessory etc., within the scope of all falling within protection scope of the present invention and being open.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (7)
1. a kind of epoxy resin-base composite material, it is characterised in that the composite includes fiber-reinforced fabric and epoxy
Resin material, wherein the epoxide resin material includes epoxy resin, curing agent and fluorographite.
2. composite according to claim 1, it is characterised in that curing agent and epoxy resin in the epoxide resin material
Mass ratio be (0.1~0.5):1；
Preferably, the mass ratio of the fluorographite and epoxy resin is (0.03~0.06):1.
3. composite according to claim 1 or claim 2, it is characterised in that the number of plies >=2 of the fiber-reinforced fabric.
4. a kind of preparation method of any one of the claim 1-3 epoxy resin-base composite material, it is characterised in that the side
Method comprises the following steps：
(1) by Graphite fluoride Composite Deposition in curing agent, then curing agent mixed with epoxy resin, obtains epoxide resin material；
(2) epoxide resin material obtained in first layer fiber-reinforced fabric side coating step (1), increases then at first layer fiber
The side that strong fabric coating has epoxide resin material is coated with remaining each layer fiber-reinforced fabric, release cloth and flow-guiding screen successively,
Then vacuumize, epoxide resin material is imported into fiber-reinforced fabric, solidify, obtain epoxy resin-base composite material.
5. preparation method according to claim 4, it is characterised in that described be dispersed under ultrasound of step (1) is carried out；
Preferably, the ultrasonic time is 10~20min.
6. the preparation method according to claim 4 or 5, it is characterised in that step (1) curing agent is mixed with epoxy resin
After conjunction, vacuumize process is carried out to obtaining temperature epoxide resin material；
Preferably, the time of the vacuumize process is 5~15min.
7. the preparation method according to claim any one of 4-6, it is characterised in that be used to be coated in first in step (2)
The 5~15% of the epoxide resin material that the epoxide resin material of layer fiber-reinforced fabric side obtains for step (1).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744886A (en) * | 2019-11-01 | 2020-02-04 | 南方科技大学 | Metal protective film and preparation method thereof |
| CN112063115A (en) * | 2020-09-18 | 2020-12-11 | 海南大学 | Preparation method of natural coconut shell fiber reinforced epoxy resin composite fabric |
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| US3776845A (en) * | 1969-05-16 | 1973-12-04 | Nippon Paint Co Ltd | Dry film lubricant consisting of synthetic resin,fluorinated graphite,and solid lubricants such as molybdenum disulfide,graphite,and polytetrafluoroethylene |
| JPS63150318A (en) * | 1986-12-15 | 1988-06-23 | Mitsubishi Electric Corp | Abrasion-resistant epoxy resin |
| JPH06248223A (en) * | 1993-02-26 | 1994-09-06 | Nippon Telegr & Teleph Corp <Ntt> | Material excellent in water repellency, resistance to corrosion and snow sticking, weatherability and lubricity and its production |
| CN103410848A (en) * | 2013-07-18 | 2013-11-27 | 西北工业大学 | Creep resistant composite thrust washer and its making method |
| CN104893256A (en) * | 2015-04-10 | 2015-09-09 | 重庆交通大学 | High-performance composite brake disc material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744886A (en) * | 2019-11-01 | 2020-02-04 | 南方科技大学 | Metal protective film and preparation method thereof |
| CN112063115A (en) * | 2020-09-18 | 2020-12-11 | 海南大学 | Preparation method of natural coconut shell fiber reinforced epoxy resin composite fabric |
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| CN107163506B (en) | 2019-07-12 |
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