CN106380998A - Polyaniline-chopped glass fiber-phenolic resin paint and preparation method thereof - Google Patents
Polyaniline-chopped glass fiber-phenolic resin paint and preparation method thereof Download PDFInfo
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- CN106380998A CN106380998A CN201610753411.7A CN201610753411A CN106380998A CN 106380998 A CN106380998 A CN 106380998A CN 201610753411 A CN201610753411 A CN 201610753411A CN 106380998 A CN106380998 A CN 106380998A
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- Prior art keywords
- glass fiber
- polyaniline
- chopped glass
- phenolic resin
- parts
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses anticorrosive paint with green and environmental protection property and excellent corrosion resistance, namely polyaniline-chopped glass fiber-phenolic resin paint. The paint is composed of the following raw materials (by weight): 20-40 parts of polyaniline-chopped glass fiber composite material, 40-70 parts of phenolic resin, 2-10 parts of filler, 0.05-1.5 parts of a dispersant, 0.05-1.5 parts of an organosilicon leveling agent, 0.2-1 part of an anti-sag agent Dapro BEZ 75, 10-60 parts of a solvent and 3-8 parts of a polyamide curing agent. According to the method, polyaniline and an inorganic material chopped glass fiber modified composite material is firstly prepared; and then, the composite material is added into phenolic resin to prepare the phenolic resin paint. Meanwhile, the influence of the composite material on corrosion resistance of the phenolic resin paint is studied. The paint of the invention has heat stability, dispersity, mechanical property and corrosion resistance, is pollution-free to human body and the nature, and is a new environment-friendly paint.
Description
Technical field:
This invention is related to the technology in anti-corrosion of metal field for the new macromolecular material, specially a kind of polyaniline-be chopped
Glass-phenolic resin coating and preparation method thereof.
Background technology
Metal material has long history and is widely applied, and in the modern life, the moment can see metal material
Shadow.Metal material becomes most important, the most frequently used engineering material, in the developments of the national economy such as bridge, building, ship all
Too busy to get away metal material.For metal material in external environment due to corrosion so that it is badly damaged thus losing use value.Gold
The harm belonging to corrosion all causes great loss to the daily life of the development of the national economy and the people, be generally divided into directly and
Connect loss.Direct losses comprise the destruction of material, the inefficacy of equipment and maintenance, anti-corrosion adopted various anti-corrosion measures and produce
Expense, wherein contain the expenses such as corrosion-inhibiting coating, electrochemical protection, anti-corrosion material.The whole world is scrapped because of corrosion every year
Iron and steel and equipment are originate in amount 30% about, cause the great wasting of resources and manpower consumption.Research shows existing
Under anti-corrosion knowledge and technological means support, the economic loss being caused by corroding can reduce by 25% about, therefore passes through effectively
Anti-corrosion means can greatly reduce the economic loss that China causes every year because of corrosion.
Current preserving method has following several：
(1) rational selection：Operating environment requirements according to product and work purposes reasonable material.
(2) control medium：According to the corrosion composition in the use environment control medium of material.Reduce medium in oxygen and
Vapor, adjusts the acid-base value of medium.
(3) electrochemical protection：Electrochemical protection is divided into cathode protection method and anodic protection method.It is mainly to protected gold
Belong to impressed cathodic thus suppressing the method that in corrosion process, electronics flowing reaches pre- preventing metal corrosion.Anodic protection method refers to guarantor
Shield metal be passed through anode current so that metal anode be polarised to passivation region from obtained from guard method.
(4) coating protection：Coating protection comprises two kinds, and one kind is by plating, chemical plating, vacuum coating, thermal spraying etc.
Mode covers the stronger metal film of corrosion resistance thus improving its corrosion resistance in metal surface；Another is directly in metal
Surface coats organic coating, thus reaching impermeabilisation, the effect of isolation air and water is thus be greatly improved the corrosion resistance of coating
Energy.
It is maximally effective anti-corrosion means in numerous metal corrosion preventing method floating coat Protection Codes, and anti-corrosive organic coatings are applying
Mostly important in layer protection.When organic coating is coated on metal surface, the infiltration to corrosive medium has very strong physics screen
Cover effect, significantly delay corrosive medium to reach the time of substrate.In coating, filler can also act as corrosion inhibiter reduction metal simultaneously
Extent of corrosion and decoration is played a part to metal surface.Anti-corrosive organic coatings construction is simple, with low cost, antiseptic property is excellent
Different, it has also become the most frequently used anti-corrosion means in modern anti-corrosion method.And the performance of organic coating itself directly affects coating
Whole antiseptic property excellent.But machine anticorrosive paint is deposited and be there is also a lot of shortcomings, such as fragility is big, impact resistance is poor, pliability
Low, temperature tolerance is poor, UV resistant optical property difference etc..This limits its range of application to a certain extent.Therefore, develop one
Kind of the feature of environmental protection is good, good impact resistance and corrosion-resistant coating is necessary.
Content of the invention
It is an object of the invention to overcome above the deficiencies in the prior art and provide a kind of environment-friendly type and corrosion-resistant polyaniline-
Chopped glass fiber-phenolic resin coating and preparation method thereof.
The technological means that the present invention takes is：A kind of polyaniline-chopped glass fiber-phenolic resin coating, by following mass parts
The raw material composition of number meter:
The preparation method of described polyaniline-chopped glass fiber-phenolic resin coating, comprises the following steps：
1) curing agent and phenolic resin are added in complex solvent, stir 1-2h, become homogeneous solution 1；Wherein compounding
Solvent is butanol and dimethylbenzene, and quality parts ratio is 1：2-3；Polyamide curing agent：Complex solvent=1：2-5；
2) organosilicon levelling agent, filler, anti-sagging agent Dapro BEZ 75 is added in acetone, stirs 20-50min,
Become homogeneous solution 2, add polyaniline/chopped glass fiber composite powder and solution 1 in solution 2 successively under agitation, stir
Mix uniform standing 5-10min curing, be then ground in paint grinder mill；Wherein, filler：Ratio=1 of acetone：3-
20；Control the discharging between 30-50um of coating particle diameter, prepared polyaniline-chopped glass fiber-phenolic resin coating.
Described method for preparing polyaniline referenced patent 201410065190.5.
Described polyaniline-chopped glass fiber composite material and preparation method thereof and step are as follows：
According to the mass fraction, being positioned over 10-20 part mass fraction to powdery after the chopped glass fiber grinding weighing 1-5 part is
In 65% phosphoric acid solution, put into the Ultrasound Instrument concussion 1-2h ultrasonic disperse of 30-50KHz, after taking-up, add polyaniline 1.5-7.5
Part, it is slowly added dropwise nitric acid 5-10 part that mass fraction is 36% after mechanical agitation 1-3h in mixed solution.It is further continued for stirring 1-
Stop stirring after 2h and mixture is filtered, deionized water and absolute ethyl alcohol are positioned in 50-90 DEG C after respectively washing 3-4 time and do
Dry then be fully ground to powder with mortar to constant weight, obtain polyaniline-chopped glass fiber composite；Wherein, chopped glass fiber diameter
For 11um, length is 1mm.
Described filler is one of magnesium silicate or zinc stearate.
Described dispersant is in multivalence phosphoric acid family macromolecule dispersant LBD-1 and silicates macromolecule dispersing agent LBCB-1
One kind.
Described solvent is acetone, butanol and dimethylbenzene；Described solvent is acetone, butanol and dimethylbenzene；Wherein, acetone, fourth
The quality parts ratio of alcohol and dimethylbenzene is 2：1：2-3.
The invention has the beneficial effects as follows：This polyaniline-chopped glass fiber-phenolic resin coating of the present invention has conjunction
Become process is simple, environmentally safe, low cost and there is the features such as stable thermodynamic property and chemical property, concrete have
Have the advantage that：
(1) high with the adhesion strength of resin matrix.Chopped glass fiber main component is silicate, and there are a lot of hydroxyls on its surface,
There is very high adhesion strength with resin, make coating have very high freedom from cracking and impact strength.
(2) coating hardness and high abrasion resistance.Because the addition of chopped glass fiber makes diffusion tendency during breakdown of coating little, resistance to
Mill property applies floor height than pure resin.
(3) heat-resist.Because when containing chopped glass fiber in coating, reducing the coefficient of expansion between coating and matrix
Difference, enables coating temperature difference resistance excellent.
(4) environment friendly and pollution-free.With respect to metal packings such as the chromium of other serious environment pollutions, lead, zinc, polyaniline is to human body
With the Nature nonstaining property, and there is very excellent antiseptic property.So polyaniline is become with self structure and preservative mechanism
Environmentally friendly material of new generation, has extraordinary antiseptic effect after it is added in phenolic resin.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that it is described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.In embodiment, organosilicon levelling agent, anti-stream
Hang agent Dapro BEZ 75, LBD-1, LBCB-1, magnesium silicate, zinc stearate and polyamide curing agent and be the bright rich chemistry in Shijiazhuang
The commercially available product of Technology Co., Ltd..
Embodiment 1
A kind of polyaniline-chopped glass fiber-phenolic resin coating, is made up of the raw material of following mass fraction meter:
Polyaniline -22 parts of chopped glass fiber composite, 40 parts of phenolic resin, 5 parts of magnesium silicate, 1 part of LBD-1, organosilicon stream
0.5 part of flat agent, 75 0.5 parts of anti-sagging agent Dapro BEZ, 26 parts of solvent, 5 parts of polyamide curing agent.
The preparation method of above-mentioned polyaniline-chopped glass fiber-phenolic resin coating, comprises the following steps：
1) polyamide curing agent and phenolic resin are added in complex solvent butanol and dimethylbenzene, its quality parts ratio is
1：2；Stirring 2h, becomes homogeneous solution 1；
2) LBD-1, organosilicon levelling agent, magnesium silicate and anti-sagging agent Dapro BEZ 75 are added in acetone, stirring
30min, becomes homogeneous solution 2, successively polyaniline/chopped glass fiber composite powder and solution 1 is added solution 2 under agitation
In, the standing that stirs 7min curing, then it is ground in paint grinder mill；Coating particle diameter is controlled to go out between 30-50um
Material, prepared polyaniline-chopped glass fiber-phenolic resin coating.
Polyaniline-chopped glass fiber composite material and preparation method thereof and step are as follows：
According to the mass fraction, being positioned over 13 parts of mass fractions to powdery after the chopped glass fiber grinding weighing 3 parts is 65%
Phosphoric acid solution in, put into 40KHz Ultrasound Instrument concussion 1.5h ultrasonic disperse, after taking-up add 4.5 parts of polyaniline, mechanical agitation
It is slowly added dropwise 7 parts of the nitric acid that mass fraction is 36% in mixed solution after 2h.Stop stirring and mixing after being further continued for stirring 1h
Compound filtration, deionized water and absolute ethyl alcohol are positioned in 60 DEG C after respectively washing 3 times and are dried to constant weight, are more fully ground with mortar
It is milled to powder, obtain polyaniline-chopped glass fiber composite.
Embodiment 2
A kind of polyaniline-chopped glass fiber-phenolic resin coating, is made up of the raw material of following mass fraction meter:
Polyaniline -20 parts of chopped glass fiber composite, 42 parts of phenolic resin, 3 parts of zinc stearate, 1 part of LBCB-1, organic
0.5 part of silicon levelling agent, 75 0.5 parts of anti-sagging agent Dapro BEZ, 26 parts of solvent, 7 parts of polyamide curing agent.
The preparation method of above-mentioned polyaniline-chopped glass fiber-phenolic resin coating, comprises the following steps：
1) polyamide curing agent and phenolic resin are added in complex solvent butanol and dimethylbenzene, its quality parts ratio is
1：3；Stirring 1.5h, becomes homogeneous solution 1；
2) LBCB-1, organosilicon levelling agent, zinc stearate and anti-sagging agent Dapro BEZ75 are added in acetone, stir
Mix 30min, become homogeneous solution 2, successively polyaniline/chopped glass fiber composite powder and solution 1 are added molten under agitation
In liquid 2, the standing that stirs 8min curing, then it is ground in paint grinder mill；Control coating particle diameter between 30-50um
Discharging, prepared polyaniline-chopped glass fiber-phenolic resin coating.
Polyaniline-chopped glass fiber composite material and preparation method thereof and step are as follows：
According to the mass fraction, being positioned over 12 parts of mass fractions to powdery after the chopped glass fiber grinding weighing 2 parts is 65%
Phosphoric acid solution in, put into 40KHz Ultrasound Instrument concussion 1.5h ultrasonic disperse, after taking-up add 4 parts of polyaniline, mechanical agitation 2h
It is slowly added dropwise 6 parts of the nitric acid that mass fraction is 36% afterwards in mixed solution.Stop stirring and mixing after being further continued for stirring 1h
Thing filtration, deionized water and absolute ethyl alcohol are positioned in 60 DEG C after respectively washing 3 times and are dried to constant weight, then are fully ground with mortar
To powder, obtain polyaniline-chopped glass fiber composite.Embodiment 3
A kind of polyaniline-chopped glass fiber-phenolic resin coating, is made up of the raw material of following mass fraction meter:
Polyaniline -24 parts of chopped glass fiber composite, 42 parts of phenolic resin, 2 parts of magnesium silicate, 1 part of LBD-1, organosilicon stream
0.5 part of flat agent, 75 0.5 parts of anti-sagging agent Dapro BEZ, 25 parts of solvent, 5 parts of polyamide curing agent.
The preparation method of above-mentioned polyaniline-chopped glass fiber-phenolic resin coating, comprises the following steps：
1) polyamide curing agent and phenolic resin are added in complex solvent butanol and dimethylbenzene, its quality parts ratio is
1：3；Stirring 2h, becomes homogeneous solution 1；
2) LBD-1, organosilicon levelling agent, magnesium silicate and anti-sagging agent Dapro BEZ 75 are added in acetone, stirring
40min, becomes homogeneous solution 2, successively polyaniline/chopped glass fiber composite powder and solution 1 is added solution 2 under agitation
In, the standing that stirs 10min curing, then it is ground in paint grinder mill；Coating particle diameter is controlled to go out between 30-50um
Material, prepared polyaniline-chopped glass fiber-phenolic resin coating.
Polyaniline-chopped glass fiber composite material and preparation method thereof and step are as follows：
According to the mass fraction, being positioned over 18 parts of mass fractions to powdery after the chopped glass fiber grinding weighing 4 parts is 65%
Phosphoric acid solution in, put into 50KHz Ultrasound Instrument concussion 2h ultrasonic disperse, after taking-up add 6 parts of polyaniline, after mechanical agitation 2h
It is slowly added dropwise 9 parts of the nitric acid that mass fraction is 36% in mixed solution.Stop stirring and by mixture after being further continued for stirring 1h
Filter, be positioned in 60 DEG C after each washing of deionized water and absolute ethyl alcohol 4 times and be dried to constant weight, then with mortar be fully ground to
Powder, obtains polyaniline-chopped glass fiber composite.
Under the detection such as of embodiment 3：
Coating is uniformly sprayed on a size of 10cm × 4cm × 2mm Q235 substrate steel disc, then in room temperature condition
Lower drying 10 days；Then coating performance is tested.
The impact strength test of coating
Illustrate that the pliability of coating is very good, impact strength is very high.
The corrosion potential of coating and corrosion current
The addition of polyaniline-chopped glass fiber composite accordingly improves the decay resistance of coating, and its corrosion current is close
Degree is less than pure resin coating, and corrosion potential is bigger than pure resin coating；In the coating due to adding the chopped glass of polyaniline-coated
Fine composite, the impermeabilisation ability of the existing glass fibre of coating, also there is the passivation of polyaniline, coating can be greatly improved
Antiseptic property.
Claims (6)
1. a kind of polyaniline-chopped glass fiber-phenolic resin coating it is characterised in that：It is made up of the raw material of following mass fraction meter：
2. as claimed in claim 1 a kind of polyaniline-chopped glass fiber-phenolic resin coating it is characterised in that：Described polyphenyl
Amine-chopped glass fiber composite material and preparation method thereof and step are as follows：
According to the mass fraction, being positioned over 10-20 part mass fraction to powdery after the chopped glass fiber grinding weighing 1-5 part is 65%
Phosphoric acid solution in, put into 30-50KHz Ultrasound Instrument concussion 1-2h ultrasonic disperse, after taking-up add polyaniline 1.5-7.5 part,
It is slowly added dropwise nitric acid 5-10 part that mass fraction is 36% in mixed solution after mechanical agitation 1-3h.After being further continued for stirring 1-2h
Stop stirring simultaneously filtering mixture, deionized water and absolute ethyl alcohol are positioned in 50-90 DEG C drying extremely after respectively washing 3-4 time
Constant weight, then be fully ground to powder with mortar, obtain polyaniline-chopped glass fiber composite.
3. as claimed in claim 1 a kind of polyaniline-chopped glass fiber-phenolic resin coating it is characterised in that：Described filler is
One of magnesium silicate or zinc stearate.
4. as claimed in claim 1 a kind of polyaniline-chopped glass fiber-phenolic resin coating it is characterised in that：Described dispersant
For one of multivalence phosphoric acid family macromolecule dispersant LBD-1 and silicates macromolecule dispersing agent LBCB-1.
5. as claimed in claim 1 a kind of polyaniline-chopped glass fiber-phenolic resin coating it is characterised in that：Described solvent
It is acetone, butanol and dimethylbenzene；Wherein, the quality parts ratio of acetone, butanol and dimethylbenzene is 2：1：2-3.
6. the preparation method of a kind of polyaniline-chopped glass fiber-phenolic resin coating described in a kind of claim 1, its feature exists
In comprising the following steps：
1) polyamide curing agent and phenolic resin are added in complex solvent, stir 1-2h, become homogeneous solution 1；Wherein multiple
Joining solvent is butanol and dimethylbenzene, and quality parts ratio is 1：2-3；Polyamide curing agent：Complex solvent=1：2-5；
2) dispersant, organosilicon levelling agent, filler, anti-sagging agent Dapro BEZ 75 is added in acetone, stirs 20-
50min, becomes homogeneous solution 2, successively polyaniline-chopped glass fiber composite powder and solution 1 is added solution 2 under agitation
In, the standing that stirs 5-10min curing, then it is ground in paint grinder mill；Wherein, filler：The ratio of acetone=
1：3-20；Control the discharging between 30-50um of coating particle diameter, prepared polyaniline-chopped glass fiber-phenolic resin coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753411.7A CN106380998A (en) | 2016-08-29 | 2016-08-29 | Polyaniline-chopped glass fiber-phenolic resin paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753411.7A CN106380998A (en) | 2016-08-29 | 2016-08-29 | Polyaniline-chopped glass fiber-phenolic resin paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106380998A true CN106380998A (en) | 2017-02-08 |
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ID=57916242
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610753411.7A Pending CN106380998A (en) | 2016-08-29 | 2016-08-29 | Polyaniline-chopped glass fiber-phenolic resin paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106866002A (en) * | 2017-04-21 | 2017-06-20 | 济南大学 | A kind of preparation method of the glass fibre of polyaniline functionalization |
| CN107163835A (en) * | 2017-06-15 | 2017-09-15 | 苏州莱特复合材料有限公司 | A kind of preparation method of metal fire resistant anticorrosive paint |
-
2016
- 2016-08-29 CN CN201610753411.7A patent/CN106380998A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106866002A (en) * | 2017-04-21 | 2017-06-20 | 济南大学 | A kind of preparation method of the glass fibre of polyaniline functionalization |
| CN107163835A (en) * | 2017-06-15 | 2017-09-15 | 苏州莱特复合材料有限公司 | A kind of preparation method of metal fire resistant anticorrosive paint |
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Application publication date: 20170208 |
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