CN107383788A - A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material - Google Patents
A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material Download PDFInfo
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- CN107383788A CN107383788A CN201710759390.4A CN201710759390A CN107383788A CN 107383788 A CN107383788 A CN 107383788A CN 201710759390 A CN201710759390 A CN 201710759390A CN 107383788 A CN107383788 A CN 107383788A
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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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
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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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
- 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
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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
- C08J2463/00—Characterised by the use of epoxy resins; 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
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Abstract
The invention discloses a kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, comprise the following steps that：Step 1, carbon fiber and hypochlorite are dispersed in diluent；Step 2, peroxide, heating water bath and magnetic agitation will be added in the product of step 1, obtains modified carbon fiber；Step 3, with uv light irradiation resin combination, resin combination is imported and laid in the mould of modified carbon fiber, curing agent is added dropwise, is cast in mould, the demoulding can obtain finished product.Resin combination is made up of following raw material according to parts by weight：5 15 parts of 65 80 parts of epoxy resin, 0.2 0.6 parts of light trigger, 0.5 1.2 parts of sensitising agent and additive.Resin combination produces activated centre after ultraviolet irradiates in the present invention, and activated centre may be uniformly dispersed in whole curing system, and this can make, and whole light tight system is uniform curing, and the type of product, size and dimension are unrestricted.
Description
Technical field
The present invention relates to fiber-reinforced resin matrix compound material technical field, specifically a kind of photocuring quickly prepares fiber
The method of reinforced resin based composites.
Background technology
Fiber-reinforced resin matrix compound material has that high-strength light, designability are strong, anti-fatigue performance is good, easily realize multi-section
The features such as part integration, widely applied on modern industry.As China's carbon fiber large-scale production expands, progressively full
After the needs in the high-precision pointed collar domain such as sufficient domestic air mail space flight, carbon fiber industrial circle application and development just turn into carbon fiber and its
Composite complete industrial chain urgent problem to be solved.At present, it is carbon fiber costliness to restrict carbon fiber sizable application primary factor
Price, next to that the energy consumption cost during machine-shaping.
Heat cure is that conventional carbon fibre reinforced composite manufactured technique, and compared with heat cure, ultraviolet light solidification is anti-
Answer simple, convenient and efficient, it is only necessary to the working face of material is irradiated, energy consumption is only 1st/1 to five/10ths of the latter,
Operation maintenance cost is low, has been widely used in each production field.But existing ultraviolet curing process limits mould
Have the thickness of material and shaped article, improve die cost, meanwhile, it is compound in order to meet uniform curing requirement
The type and shape of material final products are restricted, and this just brings inconvenience for the use of people.
The content of the invention
It is an object of the invention to provide a kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, with
Solve the problems, such as to propose in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, is comprised the following steps that：
Step 1, carbon fiber and hypochlorite are dispersed in diluent and use supersonic oscillations 15-25 minutes, is obtained
First mixture；
Step 2, the first mixture is warming up to 40-60 degrees Celsius and adds peroxide, water bath with thermostatic control heating and magnetic
After power stirring 30-50 minutes, then 70-90 degrees Celsius of insulation 2-4 hour is warming up to, filters, be cooled to normal temperature and dry, obtain
Modified carbon fiber；
Step 3, the Ultraviolet curable resin composition of the raw materials such as light trigger is mixed with uv light irradiation, triggers polymerization
Afterwards, priming by vacuum is carried out rapidly, resin combination is imported and laid in the mould of modified carbon fiber, and curing agent is added dropwise and enters
Row curing reaction and it is well mixed, after repeatedly vacuumizing and excluding bubble, sample is cast in mould, in 15-
Cold curing 18-24 hours under 24MPa, the demoulding can obtain finished product
As the further scheme of the present invention：The weight ratio of curing agent and resin combination is 1: 4-6 in step 3.
As the further scheme of the present invention：Diluent in step 1 using acetone, absolute ethyl alcohol, toluene, dimethylbenzene,
At least one of styrene, ethyl acetate and phenmethylol.
As the further scheme of the present invention：The weight ratio of peroxide and carbon fiber is 2-5: 100 in step 2.
As the further scheme of the present invention：Resin combination is made up of following raw material according to parts by weight：Epoxy resin 65-
80 parts, light trigger 0.2-0.6 parts, sensitising agent 0.5-1.2 parts and additive 5-15 parts.
As the further scheme of the present invention：Epoxy resin is using glycidyl ether type epoxy resin, glycidol esters
One or several kinds of mixtures in epoxy resin, glycidyl amine epoxy resin and cycloaliphatic epoxy resin.
As the further scheme of the present invention：Sensitising agent using Benzophenone, dimethoxybenzoin, benzil, benzil and
One or several kinds of mixtures in Michler's keton.
As the further scheme of the present invention：Additive is using in powder or the filler of particle form, pigment, Nano filling
One or more mixtures.
Compared with prior art, the beneficial effects of the invention are as follows：Resin combination produces after ultraviolet irradiates in the present invention
Liveliness proof center, activated centre may be uniformly dispersed in whole curing system by the effect of dispersing apparatus, and this can make entirely
Light tight system is uniform curing, and the type of product, size and dimension are unrestricted, and the reaction is simple and convenient, cost and
Energy consumption is low；Product prepared by the present invention has good mechanical property, has a extensive future.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, is comprised the following steps that：
Step 1, carbon fiber and hypochlorite are dispersed in absolute ethyl alcohol and use supersonic oscillations 18 minutes, is obtained
First mixture；
Step 2, the first mixture is warming up to 45 degrees Celsius and adds the peroxide of carbon fiber weight 3%, constant temperature
Heating water bath and magnetic agitation are after 36 minutes, then are warming up to 78 degrees Celsius and are incubated 3 hours, filter, are cooled to normal temperature and dry,
Obtain modified carbon fiber；
Step 3, the Ultraviolet curable resin composition of the raw materials such as light trigger, resin combination are mixed with uv light irradiation
Thing is made up of following raw material according to parts by weight：68 parts of glycidyl ether type epoxy resin, 0.3 part of light trigger, styrax diformazan
7 parts of 0.7 part of ether and filler, after triggering polymerization, priming by vacuum is carried out rapidly, resin combination is imported and has laid carbon modified
In the mould of fiber, curing agent is added dropwise and carries out curing reaction and is well mixed, after repeatedly vacuumizing and excluding bubble, by sample
It is cast in mould, cold curing 20 hours under 16MPa, the demoulding can obtain finished product.
Embodiment 2
A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, is comprised the following steps that：
Step 1, carbon fiber and hypochlorite are dispersed in dimethylbenzene and using supersonic oscillations 19 minutes, obtain the
One mixture；
Step 2, the first mixture is warming up to 50 degrees Celsius and adds the peroxide of carbon fiber weight 4%, constant temperature
Heating water bath and magnetic agitation are after 42 minutes, then are warming up to 80 degrees Celsius and are incubated 3 hours, filter, are cooled to normal temperature and dry,
Obtain modified carbon fiber；
Step 3, the Ultraviolet curable resin composition of the raw materials such as light trigger, resin combination are mixed with uv light irradiation
Thing is made up of following raw material according to parts by weight：74 parts of glycidyl amine epoxy resin, 0.5 part of light trigger, Michler's keton 0.9
12 parts of part and pigment, after triggering polymerization, priming by vacuum is carried out rapidly, resin combination is imported and has laid modified carbon fiber
Mould in, the curing agent that resin composition weight 1/5th is added dropwise curing reaction and be well mixed, through repeatedly taking out
After vacuum excludes bubble, sample is cast in mould, cold curing 21 hours under 20MPa, the demoulding can obtain into
Product.
Embodiment 3
A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, is comprised the following steps that：
Step 1, carbon fiber and hypochlorite are dispersed in ethyl acetate and use supersonic oscillations 22 minutes, is obtained
First mixture；
Step 2, the first mixture is warming up to 55 degrees Celsius and adds peroxide, water bath with thermostatic control heating and magnetic force
After stirring 44 minutes, then it is warming up to 82 degrees Celsius and is incubated 4 hours, filter, be cooled to normal temperature and dry, obtains carbon modified fibre
Dimension；
Step 3, the Ultraviolet curable resin composition of the raw materials such as light trigger, resin combination are mixed with uv light irradiation
Thing is made up of following raw material according to parts by weight：76 parts of epoxy resin, 0.6 part of light trigger, 1.2 parts of sensitising agent and additive 12
Part, epoxy resin is using the mixed of glycidyl ester epoxy resin, glycidyl amine epoxy resin and cycloaliphatic epoxy resin
Compound, sensitising agent use the mixture of dimethoxybenzoin, benzil and benzil, rapid to carry out vacuum filling after triggering polymerization
Resin combination is imported using aluminum oxide and the mixture of nano silicon and has been laid carbon modified fibre by note, additive
In the mould of dimension, curing agent is added dropwise and carries out curing reaction and is well mixed, after repeatedly vacuumizing and excluding bubble, sample is poured
Note in mould, cold curing 22 hours under 23MPa, the demoulding can obtain finished product
Embodiment 4
A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, is comprised the following steps that：
Step 1, carbon fiber and hypochlorite are dispersed in phenmethylol and using supersonic oscillations 25 minutes, obtain the
One mixture；
Step 2, the first mixture is warming up to 60 degrees Celsius and adds peroxide, water bath with thermostatic control heating and magnetic force
After stirring 45 minutes, then it is warming up to 85 degrees Celsius and is incubated 4 hours, filter, be cooled to normal temperature and dry, obtains carbon modified fibre
Dimension；
Step 3, the Ultraviolet curable resin composition of the raw materials such as light trigger, resin combination are mixed with uv light irradiation
Thing is made up of following raw material according to parts by weight：80 parts of cycloaliphatic epoxy resin, 0.6 part of light trigger, 1.2 parts of benzil and glass
15 parts, after triggering polymerization, priming by vacuum is carried out rapidly, and resin combination is imported to the mould for having laid modified carbon fiber
In, the curing agent that resin composition weight a quarter is added dropwise carries out curing reaction and is well mixed, through the multiple row of vacuumizing
After bubble removing, sample is cast in mould, cold curing 22 hours under 21MPa, the demoulding can obtain finished product
Carbon fiber first with hypochlorite and peroxide reactions, can improve the interface knot between carbon fiber and epoxy resin
Close, considerably increase the interfacial adhesion strength of composite, stress can also be made more effectively to transmit, the finished product mechanical property of preparation
It can significantly improve.Epoxy resin produces activated centre after ultraviolet lighting, and activated centre may be uniformly dispersed in whole solidification
In system, this can make whole light tight system uniform curing.And the reaction is simple and convenient, cost and energy consumption are low, meet people
Use demand.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material, it is characterised in that comprise the following steps that：
Step 1, carbon fiber and hypochlorite are dispersed in diluent and use supersonic oscillations 15-25 minutes, obtains first
Mixture；
Step 2, the first mixture is warming up to 40-60 degrees Celsius and adds peroxide, simultaneously magnetic force stirs for water bath with thermostatic control heating
After mixing 30-50 minutes, then 70-90 degrees Celsius of insulation 2-4 hour is warming up to, filters, be cooled to normal temperature and dry, be modified
Carbon fiber；
Step 3, the Ultraviolet curable resin composition of the raw materials such as light trigger is mixed with uv light irradiation, it is fast after triggering polymerization
Speed carries out priming by vacuum, and resin combination is imported and laid in the mould of modified carbon fiber, and curing agent is added dropwise and is consolidated
Change and react and be well mixed, after repeatedly vacuumizing and excluding bubble, sample is cast in mould, under 15-24MPa
Cold curing 18-24 hours, the demoulding can obtain finished product.
2. the method that photocuring according to claim 1 quickly prepares fiber-reinforced resin matrix compound material, its feature exists
In the weight ratio of curing agent and resin combination is 1: 4-6 in the step 3.
3. the method that photocuring according to claim 1 quickly prepares fiber-reinforced resin matrix compound material, its feature exists
In the diluent in the step 1 uses acetone, absolute ethyl alcohol, toluene, dimethylbenzene, styrene, ethyl acetate and phenmethylol
At least one of.
4. the method that photocuring according to claim 1 quickly prepares fiber-reinforced resin matrix compound material, its feature exists
In the weight ratio of peroxide and carbon fiber is 2-5: 100 in the step 2.
5. resin combination according to claim 1, it is characterised in that be made up of following raw material according to parts by weight：Epoxy
Resin 65-80 parts, light trigger 0.2-0.6 parts, sensitising agent 0.5-1.2 parts and additive 5-15 parts.
6. resin combination according to claim 5, it is characterised in that the epoxy resin uses glycidol ethers ring
One kind in oxygen tree fat, glycidyl ester epoxy resin, glycidyl amine epoxy resin and cycloaliphatic epoxy resin or
Several mixtures.
7. resin combination according to claim 5, it is characterised in that the sensitising agent is using Benzophenone, styrax two
One or several kinds of mixtures in methyl ether, benzil, benzil and Michler's keton.
8. resin combination according to claim 5, it is characterised in that the additive is using powder or particle form
One or more mixtures in filler, pigment, Nano filling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710759390.4A CN107383788A (en) | 2017-08-29 | 2017-08-29 | A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731983A (en) * | 2020-12-09 | 2021-04-30 | 全立传感科技(南京)有限公司 | Method for curing base glue of foil type resistance strain gauge |
| CN115748253A (en) * | 2022-12-20 | 2023-03-07 | 武汉纺织大学 | Preparation method and application method of photocuring carbon fiber sizing agent |
| CN115838569A (en) * | 2022-10-25 | 2023-03-24 | 厦门理工学院 | Light-cured building repair material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543608A (en) * | 2016-12-09 | 2017-03-29 | 钦州学院 | The manufacture method of modified carbon fiber reinforced resin based composites |
| CN106987092A (en) * | 2016-01-20 | 2017-07-28 | 北京化工大学常州先进材料研究院 | Cation photocuring prepares the method and its resin combination of fiber-reinforced resin matrix compound material |
| CN106995583A (en) * | 2016-01-22 | 2017-08-01 | 北京化工大学常州先进材料研究院 | A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material |
-
2017
- 2017-08-29 CN CN201710759390.4A patent/CN107383788A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987092A (en) * | 2016-01-20 | 2017-07-28 | 北京化工大学常州先进材料研究院 | Cation photocuring prepares the method and its resin combination of fiber-reinforced resin matrix compound material |
| CN106995583A (en) * | 2016-01-22 | 2017-08-01 | 北京化工大学常州先进材料研究院 | A kind of method that photocuring quickly prepares fiber-reinforced resin matrix compound material |
| CN106543608A (en) * | 2016-12-09 | 2017-03-29 | 钦州学院 | The manufacture method of modified carbon fiber reinforced resin based composites |
Non-Patent Citations (1)
| Title |
|---|
| 黄玉东: "《聚合物表面与界面技术》", 30 September 2003, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731983A (en) * | 2020-12-09 | 2021-04-30 | 全立传感科技(南京)有限公司 | Method for curing base glue of foil type resistance strain gauge |
| CN115838569A (en) * | 2022-10-25 | 2023-03-24 | 厦门理工学院 | Light-cured building repair material |
| CN115748253A (en) * | 2022-12-20 | 2023-03-07 | 武汉纺织大学 | Preparation method and application method of photocuring carbon fiber sizing agent |
| CN115748253B (en) * | 2022-12-20 | 2024-03-22 | 武汉纺织大学 | Preparation method and application method of photo-curing carbon fiber sizing agent |
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