CN103554529A - Epoxy resin-based conductive composite material and preparation method thereof - Google Patents
Epoxy resin-based conductive composite material and preparation method thereof Download PDFInfo
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- CN103554529A CN103554529A CN201310470977.5A CN201310470977A CN103554529A CN 103554529 A CN103554529 A CN 103554529A CN 201310470977 A CN201310470977 A CN 201310470977A CN 103554529 A CN103554529 A CN 103554529A
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Abstract
The invention relates to an epoxy resin-based conductive composite material and a preparation method thereof. The epoxy resin-based conductive composite material is obtained by the steps of firstly, preparing a modified conductive epoxy resin; then mixing and stirring the modified conductive epoxy resin, a fire retardant aluminium hydroxide and a resin assistant methyl ethyl ketone peroxide uniformly to obtain a mixed glue material; adding a resin assistant cobalt naphthenate and a resin assistant dimethylaniline in the mixed glue material and stirring uniformly to obtain a resin glue material; laying carbon fibers and silica fibers in a mold; dip-coating the resin glue material on the carbon fibers and the silica fibers; then covering a flexible mold made of a polyester film on the surface of the carbon fibers and the silica fibers dip-coated with the resin glue material; removing the flexible mold made of the polyester film after the resin glue materials dip-coated on the carbon fibers and the silica fibers changes from a liquid state to a solid state and is compounded with the carbon fibers and the silica fibers; and demolding. The material provided by the invention has strong corrosion resistance, good conductivity, light weight and high strength.
Description
Technical field
The present invention relates to a kind of matrix material and preparation method thereof, particularly a kind of epoxy resin based conductive composite material and preparation method thereof.
Background technology
< < fossil-fuel power plant atmospheric pollutant emission standard > > GB13223-2011 requires chimney breast soot emissions≤30mg/m after implementing
3, major area≤20mg/m
3after dust removal installation, in flue gas, fine particle proportion is higher at present, wet desulfurization system is unstable to the efficiency of dust collection of fine particle, mechanical type mist eliminator can only be removed macrobead drop, the desulphurization system of GGH is not installed and easily carries again gypsum slurries, produce gypsum rain problem, all can cause soot emissions to exceed standard.
The working conditions of wet electrical dust precipitator is different from dry electric precipitation device, and dust removing effects is better than dry electric precipitation device.The object that wet electrical dust precipitator is removed is except there being dust granules to also have a large amount of water smoke to drip, and because the physical property of droplet and dust exists difference, its working process is difference to some extent also.
From principle, first the existence due to water droplet has produced impact to electrode discharge, form emitting ions, and the unbound electron in metal electrode must obtain enough energy, and just can overcome ionization energy and cross surface potential barrier becomes electron emission.Allow the electrode surface band water be a kind of effective measure that reduce surface potential barrier.Behind water covering metal surface, original " metal one air " interface is divided into " metal one water " interface and " water one air " interface, the potential barrier at latter two interface is more much lower than the potential barrier at front a kind of interface, these have all changed electrode discharge effect, make it, under low voltage, corona discharge occurs.Secondly due to the existence of water droplet, after water droplet is combined with dust, the dust specific resistance of high specific resistance is declined, so the working order of wet electrical dust precipitator can be more stable; Because wet electrical dust precipitator adopts current, rinse in addition, there is no rapping apparatus, so can not produce reentrainment of dust.
So wet electrical dust precipitator is arranged on after wet desulphurization device conventionally, in saturated flue gas after desulfurization, carry part water droplet, when by high-voltage electric field, also can catch and be rinsed away by water, can reduce so total water yield of carrying in flue gas, reduce the probability that gypsum rain forms.Simultaneously for collecting fine particle PM
2.5, acid mist (being of a size of 0.1～0.5 μ m) etc., can reach≤10mg/m of smoke dust discharge concentration
3; Solve the gypsum rain problem that wet desulfurization system exists.The PM of wet electrical dust precipitator after the U.S., Japan and Europe have been successfully applied to wet desulphurization
2.5removal.
Because wet electrical dust precipitator is arranged on after wet desulphurization, flue-gas temperature lower (lower than acid dew point), equipment corrosion problem is particularly outstanding, and stainless material investment is larger.Thereby adopt which kind of impregnating material, become wet electrical dust precipitator and need badly and deal with problems.
Summary of the invention
The object of the invention is to overcome the shortcoming existing in above-mentioned prior art, a kind of epoxy resin based conductive composite material with good antiseptic property and conductivity and preparation method thereof is provided.
For achieving the above object, preparation method of the present invention is as follows:
1) preparation of modification conductive epoxy resin
First by mass percentage get 45～55% epoxy resin, 15～25% vinylbenzene, 5～10% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 0.5～1% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 40～60% modification conductive epoxy resin, 2～5% carbon fiber, 15～45% silicon oxide fibre, 8～15% fire retardant aluminium hydroxide, 0.5～2% resin additive methylethyl ketone peroxide, 1～4% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, by resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Described dip coated adopts and is coated with sizing material instrument is that hairbrush or hair roll.
The epoxy resin based conductive composite material of making by preparation method of the present invention comprises according to mass percent: 40～60% modification conductive epoxy resin, 2～5% carbon fiber, 15～45% silicon oxide fibre, 8～15% fire retardant aluminium hydroxide, 0.5～2% resin additive methylethyl ketone peroxide, 1～4% resin additive cobalt naphthenate and 0.5% resin additive xylidine.
Epoxy resin based conductive composite material prepared by the present invention, its corrosion resistance nature is strong, and conductivity is good; This Material texture is light, intensity is high, and its every detected result is as following table:
| Sequence number | Title | Unit | Index | Operative norm | Remarks |
| 1 | Material | CERP | ? | ? | ? |
| 2 | Surface resistivity | Ω | 1011 | ? | ? |
| 3 | Volume specific resistance | Ω/10cm | 5-1000 | ? | ? |
| 4 | Barcol hardness | HB | ≥40 | ? | ? |
| 5 | Density | g/cm 3 | 1.8-2.0 | ? | ? |
| 6 | Thermal deformation hardness | ℃ | ≤120 | ? | ? |
| 7 | Tensile strength | Mpa | 120-180 | ? | ? |
| 8 | Young's modulus | Cpa | 1.41-2.4×10 4 | ? | ? |
| 9 | Flexural strength | Mpa | ≥250 | ? | ? |
| 10 | Oxygen index | ? | ≥32 | ? | ? |
| 11 | Work-ing life | Year | 20 | ? | ? |
Embodiment
Embodiment 1:
1) preparation of modification conductive epoxy resin
First by mass percentage get 45% epoxy resin, 25% vinylbenzene, 6% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 1% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 40% modification conductive epoxy resin, 2% carbon fiber, 45% silicon oxide fibre, 10% fire retardant aluminium hydroxide, 1.5% resin additive methylethyl ketone peroxide, 1% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, adopt hairbrush or hair to roll resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Embodiment 2:
1) preparation of modification conductive epoxy resin
First by mass percentage get 55% epoxy resin, 15% vinylbenzene, 6.5% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 0.5% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 50% modification conductive epoxy resin, 5% carbon fiber, 23.5% silicon oxide fibre, 15% fire retardant aluminium hydroxide, 2% resin additive methylethyl ketone peroxide, 4% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, adopt hairbrush or hair to roll resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Embodiment 3:
1) preparation of modification conductive epoxy resin
First by mass percentage get 50% epoxy resin, 21% vinylbenzene, 5% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 1% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 45% modification conductive epoxy resin, 3% carbon fiber, 41% silicon oxide fibre, 8% fire retardant aluminium hydroxide, 0.5% resin additive methylethyl ketone peroxide, 2% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, adopt hairbrush or hair to roll resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Embodiment 4:
1) preparation of modification conductive epoxy resin
First by mass percentage get 48.5% epoxy resin, 20% vinylbenzene, 8% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 0.5% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 48% modification conductive epoxy resin, 4% carbon fiber, 30% silicon oxide fibre, 13.5% fire retardant aluminium hydroxide, 1% resin additive methylethyl ketone peroxide, 3% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, adopt hairbrush or hair to roll resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Embodiment 5:
1) preparation of modification conductive epoxy resin
First by mass percentage get 49.2% epoxy resin, 17% vinylbenzene, 10% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 0.8% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 43% modification conductive epoxy resin, 2% carbon fiber, 40% silicon oxide fibre, 11% fire retardant aluminium hydroxide, 2% resin additive methylethyl ketone peroxide, 1.5% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, adopt hairbrush or hair to roll resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Embodiment 6:
1) preparation of modification conductive epoxy resin
First by mass percentage get 52% epoxy resin, 17% vinylbenzene, 7% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 1% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 60% modification conductive epoxy resin, 5% carbon fiber, 15% silicon oxide fibre, 15% fire retardant aluminium hydroxide, 2% resin additive methylethyl ketone peroxide, 2.5% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, adopt hairbrush or hair to roll resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
Claims (3)
1. a preparation method for epoxy resin based conductive composite material, is characterized in that:
1) preparation of modification conductive epoxy resin
First by mass percentage get 45～55% epoxy resin, 15～25% vinylbenzene, 5～10% phthalic anhydride, 15% propylene glycol, 8% Shawinigan black and 0.5～1% ammonia chloride;
Then epoxy resin, phthalic anhydride, propylene glycol are added after stirring in reactor and be warming up to 90 ℃, then add ammonia chloride, continue to be warming up to 100 ℃, stir and after 10 hours, slowly pour in the dilution still that vinylbenzene and Shawinigan black are housed and stir cooling;
By the compound after cooling, be finally that modification conductive epoxy resin is emitted by diluting still bottom;
2) get by mass percentage 40～60% modification conductive epoxy resin, 2～5% carbon fiber, 15～45% silicon oxide fibre, 8～15% fire retardant aluminium hydroxide, 0.5～2% resin additive methylethyl ketone peroxide, 1～4% resin additive cobalt naphthenate and 0.5% resin additive xylidine;
3) after being uniformly mixed, modification conductive epoxy resin, fire retardant aluminium hydroxide and resin additive methylethyl ketone peroxide obtain blend glue stuff;
4) to adding resin additive cobalt naphthenate and the resin additive xylidine resin sizing material that stirs to obtain in blend glue stuff;
5) carbon fiber and silicon oxide fibre are laid in mould, by resin sizing material dip coated on carbon fiber and silicon oxide fibre;
6) and then the flexible die that has the carbon fiber of resin sizing material and the surface coverage polyester film of silicon oxide fibre to make in dip coated;
7) the resin sizing material in coating carbon fiber to be impregnated and silicon oxide fibre from liquid state, become solid-state, the flexible die made from carbon fiber and the compound rear removal polyester film of silicon oxide fibre, then the demoulding obtains epoxy resin based conductive composite material.
2. the preparation method of epoxy resin based conductive composite material according to claim 1, is characterized in that: described dip coated adopts and is coated with sizing material instrument is that hairbrush or hair roll.
3. the epoxy resin based conductive composite material that the preparation method of epoxy resin based conductive composite material as claimed in claim 1 makes, is characterized in that: according to mass percent, comprise: 40～60% modification conductive epoxy resin, 2～5% carbon fiber, 15～45% silicon oxide fibre, 8～15% fire retardant aluminium hydroxide, 0.5～2% resin additive methylethyl ketone peroxide, 1～4% resin additive cobalt naphthenate and 0.5% resin additive xylidine.
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| CN201310470977.5A CN103554529B (en) | 2013-10-09 | 2013-10-09 | A kind of epoxy resin based conductive composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329659A (en) * | 2017-12-29 | 2018-07-27 | 浙江德创环保科技股份有限公司 | A kind of wet electrical dust precipitator FRP Wall and preparation method thereof |
| CN114083813A (en) * | 2021-11-18 | 2022-02-25 | 杭州顺豪金属制品有限公司 | Instrument shell and production process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250742A (en) * | 2008-03-24 | 2008-08-27 | 天津工业大学 | Method for improving interface performance of conductive fiber composite material |
| CN101286375A (en) * | 2008-05-30 | 2008-10-15 | 中国科学院长春应用化学研究所 | Conductive compound material and method for making same |
| CN103087341A (en) * | 2013-01-28 | 2013-05-08 | 中国民航大学 | Surface treatment method of carbon fiber epoxy resin composite material |
-
2013
- 2013-10-09 CN CN201310470977.5A patent/CN103554529B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250742A (en) * | 2008-03-24 | 2008-08-27 | 天津工业大学 | Method for improving interface performance of conductive fiber composite material |
| CN101286375A (en) * | 2008-05-30 | 2008-10-15 | 中国科学院长春应用化学研究所 | Conductive compound material and method for making same |
| CN103087341A (en) * | 2013-01-28 | 2013-05-08 | 中国民航大学 | Surface treatment method of carbon fiber epoxy resin composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329659A (en) * | 2017-12-29 | 2018-07-27 | 浙江德创环保科技股份有限公司 | A kind of wet electrical dust precipitator FRP Wall and preparation method thereof |
| CN114083813A (en) * | 2021-11-18 | 2022-02-25 | 杭州顺豪金属制品有限公司 | Instrument shell and production process thereof |
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| CN103554529B (en) | 2016-03-02 |
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