CN107629238A - A kind of method for Treatment of Carbon composite material surface - Google Patents
A kind of method for Treatment of Carbon composite material surface Download PDFInfo
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- CN107629238A CN107629238A CN201710739195.5A CN201710739195A CN107629238A CN 107629238 A CN107629238 A CN 107629238A CN 201710739195 A CN201710739195 A CN 201710739195A CN 107629238 A CN107629238 A CN 107629238A
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- carbon fiber
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- transparent powder
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Abstract
The present invention provides a kind of method for Treatment of Carbon composite material surface, it is characterised in that described method includes step：（1）Carbon fiber enhancement resin base composite material is pre-processed；（2）Transparent powder is sprayed on to carbon fiber enhancement resin base composite material surface and is solidified；（3）Carbon fiber enhancement resin base composite material surface after transparent powder is solidified carries out grinding process；（4）Transparent powder is sprayed on carbon fiber enhancement resin base composite material surface after solidifying to transparent powder and is solidified；（5）Polishing is cleaned and toasted；（6）The colored varnish is sprayed on carbon fiber enhancement resin base composite material surface after solidifying again to transparent powder and is solidified.The advantages of technical scheme, is, employs the protection system of acrylic clear powder+acrylic clear powder+acrylic clear paint, can effectively improve carbon fiber enhancement resin base composite material surface effect, improves the reliability of Related product.
Description
Technical field
The present invention relates to composite material surface process field, more particularly to one kind in carbon fiber enhancement resin base composite wood
Expect the method for surfacecti proteon processing.
Background technology
Carbon fiber is the inorganic polymer fiber that phosphorus content is higher than 90%.Wherein phosphorus content is higher than 99% title graphite fibre.
The microstructure of carbon fiber is random graphits structure similar to Delanium.It is spaced about 3.39 arriving between each aspect of carbon fiber
3.42A, each carbon atom between each parallel aspect, arrangement is regular not as graphite, between layers by means of Van der Waals force connection
Together.Carbon fiber is a kind of new material of excellent in mechanical performance.Carbon fiber tensile strength is about 2 to arrive 7GPa, stretch modulus
About 200 arrive 700GPa.Density is about 1.5 to 2.0 grams per cubic centimeter, and this is depended mainly on except having outside the Pass with precursor structure
The temperature of charing process.Typically pass through 3000 DEG C of graphitization processings of high temperature, density is up to 2.0 grams every cube li.Along with it
Very light in weight, its proportion is also lighter than aluminium, and less than the 1/4 of steel, specific strength is 20 times of iron.The thermal coefficient of expansion of carbon fiber with
Other fibers are different, and it has the characteristics of anisotropy.The specific heat capacity of carbon fiber is generally 7.12.Under thermal conductivity is with temperature rise
Drop is negative value parallel to machine direction（0.72 to 0.90）, and perpendicular to machine direction be on the occasion of（32 to 22）.The ratio of carbon fiber
Resistance is relevant with the type of fiber, and at 25 DEG C, high-modulus 775, high-strength carbon fiber is per cm 1500.This make it that carbon is fine
Dimension has highest specific strength and specific modulus in all high-performance fibers.Compared with the metal materials such as titanium, steel, aluminium, carbon fiber
Have the characteristics that intensity is big, modulus is high, density is low, linear expansion coefficient is small in physical property, be properly termed as the king of new material.Carbon
For fiber in addition to the characteristic with general carbon materials, its profile has significant anisotropy soft, can be processed into various fabrics,
Again because proportion is small, very high intensity is shown along fiber direction of principal axis, carbon-fibre reinforced epoxy resin composite material, it is than strong
Degree, specific modulus overall target, are highests in existing structure material.
After carbon fibre material is molded by resin-bonding, there is high mechanical strength, density is low to wait excellent characteristic, is usually used in
The occasions such as frame, body of a motor car, automotive hub.When it is used to manufacture carbon fibre hub, compared with aluminium alloy wheel hub,
Hub weight more than 30% can be reduced, there is wide loss of weight prospect.
But there are many micropores in carbon fiber enhancement resin base composite material product surface so that carbon fiber enhancement resin base is multiple
The surfacecti proteon processing of condensation material becomes difficult a lot.
The content of the invention
It is an object of the invention to provide a kind of method of carbon fiber enhancement resin base composite material surface treatment protection, the party
Method can effectively improve carbon fiber enhancement resin base composite material surface effect, improve the reliability of Related product.
The invention discloses a kind of method of carbon fiber enhancement resin base composite material surface treatment protection, propylene is employed
The protection system of sour transparent powder+acrylic clear powder+acrylic clear paint, it is compound effectively to improve carbon fiber enhancement resin base
Material surface effect, improve the reliability of Related product.
In one aspect of the invention, there is provided a kind of method for Treatment of Carbon composite material surface, its feature
It is, described method includes step：（1）Carbon fiber enhancement resin base composite material is pre-processed, 800 mesh sand paper are beaten
Mill；Deionized water is cleaned；60-90 DEG C of baking 30-50 minute；（2）Sprayed on to carbon fiber enhancement resin base composite material surface
Transparent powder and solidify, the thickness of described transparent powder is 40~60 microns；（3）Fibre reinforced tree after transparent powder is solidified
Resin-based composite surface carries out grinding process, the polishing of 800 mesh sand paper, deionized water cleaning, 60-90 DEG C of baking 30-50 minute；
（4）Transparent powder is sprayed on carbon fiber enhancement resin base composite material surface after solidifying to transparent powder and is solidified, described is saturating
The thickness of bright powder is 60~80 microns；（5）The surface that previous step is obtained carries out grinding process, the polishing of 800 mesh sand paper, go from
Sub- water cleaning, 60-90 DEG C of baking 30-50 minute；（6）Carbon fiber enhancement resin base composite material table after solidifying again to transparent powder
The colored varnish is sprayed on face and is solidified, the thickness of the described colored varnish is 15~20 microns.
In currently preferred aspect, in step（1）In, described sand paper is 800 mesh Sponge sand papers, and baking is using infrared
Mode of heating.
In currently preferred aspect, in step（1）In, toasted 40 minutes at 80 DEG C after deionized water cleaning.
In currently preferred aspect, in step（2）In, described transparent powder is acrylic clear powder.
In currently preferred aspect, in step（3）In, toasted 40 minutes at 80 DEG C after deionized water cleaning.
In currently preferred aspect, in step（3）In, described sand paper is 800 mesh 3M Sponge sand papers, and baking is using red
External heating mode.
In currently preferred aspect, in step（4）In, described transparent powder is acrylic clear powder.
In currently preferred aspect, in step（5）In, described sand paper is 800 mesh Sponge sand papers, and baking is using infrared
Mode of heating.
In currently preferred aspect, in step（6）In, the described colored varnish is acrylic clear paint.
The advantages of technical scheme, is, employs acrylic clear powder+acrylic clear powder+acrylic clear
The protection system of paint, it can effectively improve carbon fiber enhancement resin base composite material surface effect, improve the reliable of Related product
Property.
Embodiment
Embodiment 1
Used carbon fiber enhancement resin base composite material is the carbon fiber enhancement resin base composite wood that resin content is 40%
Material.In the present embodiment, it is specifically chosen for carbon fiber enhancement resin base composite material model.3 blocks of same carbon fibers are taken to increase
Strong polymer matrix composites carry out following experiment.
Carbon fiber enhancement resin base composite material model is polished with the 3M Sponge sand papers of 800 mesh, then spend from
Sub- water cleaning, infrared heating 40 minutes after cold wind drying.
Then, transparent powder is sprayed to carbon fiber enhancement resin base composite material specimen surface using Wagner powder spraying apparatus, thoroughly
The thickness of bright powder is 40~60 microns, and is solidified 17 minutes under 177 degrees celsius.Used transparent powder is acrylic acid
The transparent powder of composition, it is purchased from Akzo Nobel's powdery paints Co., Ltd, article No. 158C121.
The carbon fiber enhancement resin base composite material model after solidification is polished with the 3M Sponge sand papers of 800 mesh again,
Then cleaned with deionized water, infrared heating 40 minutes after cold wind drying.
Then, reuse Wagner powder spraying apparatus and transparent powder sprayed to carbon fiber enhancement resin base composite material specimen surface,
The thickness of transparent powder is 60~80 microns, and is solidified 17 minutes under 177 degrees celsius.Used transparent powder is propylene
The transparent powder of sour composition, it is purchased from Akzo Nobel's powdery paints Co., Ltd, article No. 158C121.
Carbon fiber enhancement resin base composite material model is polished with the 3M Sponge sand papers of 800 mesh, then spend from
Sub- water cleaning, infrared heating 40 minutes after cold wind drying.
The colored varnish is sprayed to the carbon fiber enhancement resin base composite material specimen surface and is solidified, and colored varnish thickness is
15~20 microns, solidify 15 minutes under 150 degrees celsius.The described colored varnish is the paint of acrylic component.It is purchased from moral
LANKWITZER companies of state, article No. RF20-0007/1.
Embodiment 2
Used carbon fiber enhancement resin base composite material is the carbon fiber enhancement resin base composite wood that resin content is 40%
Material.In the present embodiment, it is specifically chosen for carbon fiber enhancement resin base composite material model.3 blocks of same carbon fibers are taken to increase
Strong polymer matrix composites carry out following experiment.
Carbon fiber enhancement resin base composite material model is polished with the 3M Sponge sand papers of 800 mesh, then spend from
Sub- water cleaning, infrared heating 40 minutes after cold wind drying.
Then, transparent powder is sprayed to carbon fiber enhancement resin base composite material specimen surface using Wagner powder spraying apparatus, thoroughly
The thickness of bright powder is 80~100 microns, and is solidified 17 minutes under 177 degrees celsius.Used transparent powder is propylene
The transparent powder of sour composition, it is purchased from Akzo Nobel's powdery paints Co., Ltd, article No. 158C121.
The carbon fiber enhancement resin base composite material model after solidification is polished with the 3M Sponge sand papers of 800 mesh again,
Then cleaned with deionized water, infrared heating 40 minutes after cold wind drying.
The colored varnish is sprayed to the carbon fiber enhancement resin base composite material specimen surface and is solidified, and colored varnish thickness is
15~20 microns, solidify 15 minutes under 150 degrees celsius.The described colored varnish is the paint of acrylic component.It is purchased from moral
LANKWITZER companies of state, article No. RF20-0007/1.
Embodiment 3
Used carbon fiber enhancement resin base composite material is the carbon fiber enhancement resin base composite wood that resin content is 40%
Material.In the present embodiment, it is specifically chosen for carbon fiber enhancement resin base composite material model.3 blocks of same carbon fibers are taken to increase
Strong polymer matrix composites carry out following experiment.
Carbon fiber enhancement resin base composite material model is polished with the 3M Sponge sand papers of 800 mesh, then spend from
Sub- water cleaning, infrared heating 40 minutes after cold wind drying.
Then, transparent powder is sprayed to carbon fiber enhancement resin base composite material specimen surface using Wagner powder spraying apparatus, thoroughly
The thickness of bright powder is 80~100 microns, and is solidified 17 minutes under 177 degrees celsius.Used transparent powder is propylene
The transparent powder of sour composition, it is purchased from Akzo Nobel's powdery paints Co., Ltd, article No. 158C121.
The colored varnish is sprayed to the carbon fiber enhancement resin base composite material specimen surface and is solidified, and colored varnish thickness is
15~20 microns, solidify 15 minutes under 150 degrees celsius.The described colored varnish is the paint of acrylic component.It is purchased from moral
LANKWITZER companies of state, article No. RF20-0007/1.
Embodiment 4：The quality of the model of embodiment 1,2,3
Measured by ED300 eddy current thickness meters, 42 μm of the first layer transparent powder thickness average out to of the model of embodiment 1, spraying second
106 μm of thickness average out to after layer transparent powder, sprays 122 μm of thickness average out to after the colored varnish.The transparent powder thickness of the model of embodiment 2
93 μm of average out to, spray 119 μm of thickness average out to after the colored varnish.97 μm of the transparent powder powder thickness average out to of the model of embodiment 3,
115 μm of thickness average out to after the spraying colored varnish.
By being observed under lamp box, in embodiment 1, the flat appearance of carbon fiber enhancement resin base composite material model is smooth, nothing
Open defect, meet the requirements.There is needle pore defect in the carbon fiber enhancement resin base composite material model outward appearance in embodiment 2, no
Meet the requirements.The more needle pore defect of the presence of carbon fiber enhancement resin base composite material model in embodiment 3, not meeting will
Ask.
Claims (9)
- A kind of 1. method for Treatment of Carbon composite material surface, it is characterised in that described method includes step：（1） Carbon fiber enhancement resin base composite material is pre-processed, the polishing of 800 mesh sand paper；Deionized water is cleaned；60-90 DEG C of baking 30-50 minutes；（2）Transparent powder is sprayed on to carbon fiber enhancement resin base composite material surface and is solidified, described transparent powder Thickness be 40~60 microns；（3）Carbon fiber enhancement resin base composite material surface after transparent powder is solidified carries out burnishing part Reason, the polishing of 800 mesh sand paper, deionized water cleaning, 60-90 DEG C of baking 30-50 minute；（4）Carbon fiber after solidifying to transparent powder Transparent powder is sprayed on reinforced resin based composites surface and is solidified, the thickness of described transparent powder is 60~80 microns； （5）, the polishing of 800 mesh sand paper, deionized water cleaning, 60-90 DEG C of baking 30-50 minute；（6）Carbon after solidifying again to transparent powder is fine The colored varnish is sprayed on dimension reinforced resin based composites surface and is solidified, the thickness of the described colored varnish is 15~20 microns.
- 2. according to the method for claim 1, it is characterised in that in step（1）In, described sand paper is 800 mesh sand sponges Paper, baking use infrared heating mode.
- 3. according to the method for claim 1, it is characterised in that in step（1）In, dried after deionized water cleaning at 80 DEG C It is roasting 40 minutes.
- 4. according to the method for claim 1, it is characterised in that in step（2）In, described transparent powder is acrylic clear Powder.
- 5. according to the method for claim 1, it is characterised in that in step（3）In, dried after deionized water cleaning at 80 DEG C It is roasting 40 minutes.
- 6. according to the method for claim 1, it is characterised in that in step（3）In, described sand paper is 800 mesh 3M sponges Sand paper, baking use infrared heating mode.
- 7. according to the method for claim 1, it is characterised in that in step（4）In, described transparent powder is acrylic clear Powder.
- 8. according to the method for claim 1, it is characterised in that in step（5）In, described sand paper is 800 mesh sand sponges Paper, baking use infrared heating mode.
- 9. according to the method for claim 1, it is characterised in that in step（6）In, the described colored varnish is acrylic clear Paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710739195.5A CN107629238A (en) | 2017-08-25 | 2017-08-25 | A kind of method for Treatment of Carbon composite material surface |
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| CN201710739195.5A CN107629238A (en) | 2017-08-25 | 2017-08-25 | A kind of method for Treatment of Carbon composite material surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390654A (en) * | 2020-03-30 | 2020-07-10 | 中国科学院宁波材料技术与工程研究所 | Treatment method for surface of carbon fiber resin matrix composite material |
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2017
- 2017-08-25 CN CN201710739195.5A patent/CN107629238A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390654A (en) * | 2020-03-30 | 2020-07-10 | 中国科学院宁波材料技术与工程研究所 | Treatment method for surface of carbon fiber resin matrix composite material |
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