CN103288365B - The surface treatment method of scale resin coating glass flake and scale resin coating - Google Patents
The surface treatment method of scale resin coating glass flake and scale resin coating Download PDFInfo
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- CN103288365B CN103288365B CN201310195268.0A CN201310195268A CN103288365B CN 103288365 B CN103288365 B CN 103288365B CN 201310195268 A CN201310195268 A CN 201310195268A CN 103288365 B CN103288365 B CN 103288365B
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Abstract
The invention provides a kind of surface-functionalized treatment process of glass flake.The method adopts two kinds of silane coupling agents, a kind of is short carbon chain silane coupling agent containing reactive group, another kind is the silane coupling agent with Long carbon chain hydrophobic performance, carries out dual modified process to glass flake surface, makes its surface have hydrophilic radical and hydrophobic grouping simultaneously.Experiment confirms, the method improves the bonding force between glass flake and resin matrix on the one hand, enhances the compactness of scale resin coating; Make the space formed between the glass flake of superposition mutually have kapillary hydrophobic effect on the other hand, thus effectively prevent the infiltration of water molecules.Therefore, the water-intake rate of the scale resin coating that the glass flake utilizing the method modified is formed reduces greatly, effectively improve its Corrosion Protection and anti-permeability performance, have a good application prospect in the heavy antisepsis fields such as and marine anticorrosion anticorrosion with the chimney anticorrosion of flue gas desulfurization (FGD) unit, petrochemical pipe.
Description
Technical field
The invention belongs to protective system technical field, particularly relate to a kind of surface treatment method of scale resin coating glass flake, and the scale resin coating adopting this glass flake to prepare.
Background technology
China is the country of energy structure based on fire coal, the topsoil mainly pollution such as coal smoke, dust, sulfide, oxynitride.Along with in world wide to the pay attention to day by day of environment protection; as far back as the eighties in 20th century, in Europe, a lot of country uses desulfurizer (FGD) with regard to mandatory provision in coal-fired power plant; China 20 the end of the century thermoelectricity desulfurizing item also start start, therefore the 10-20 of the beginning of this century will be the desulfurization critical period of power plants.
Current thermoelectricity desulfurization many employings wet processing; but; because the temperature of smoke mixture after wet desulphurization process is lower than its dew-point temperature; thus cause the sour gas in tail gas (gas such as sulfurous gas, sulphur trioxide) and liquid water can reflect the sulfuric acid that generation corrodibility is very strong and sulfurous acid; cause gas shaft to destroy under the effect of flue gas long-term corrosion, therefore need to carry out corrosionproof protection to the chimney of all use wet desulphurization tail gas.
At present, China's flue gas desulphurization system many employings scale resin coating antiseptic, this scale resin is by blended and obtained to glass flake, resin and other additives.But, in actual application, there is the higher problem of water regain in scale resin coating, causes causing the problem such as coating expansion, cracking and film and body material stripping in the short period of time, thus had a strong impact on antiseptic property and the moisture-proof characteristic of coating.
For this reason, bibliographical information is had to adopt coupling agent in advance glass flake to be carried out surface-treated method, with the bonding force of reinforcing glass scale and resin, namely the compactness of this scale resin coating is strengthened, thus improve reduce this coating water regain, improve its permeability resistance, finally realize efficient corrosion resisting and damp proof object.Wherein, coupling agent can select silane coupling agent, usual employing contains the silane coupling agent of reactive group, such as, in the surface treatment method of scale resin glass flake disclosed in patent CN1810866A and the method for making of scale resin, the open silane coupling agent adopted containing reactive group, these groups and resin matrix have stronger response capacity; Especially when adopting the silane coupling agent with two or more different reactive groups, silane coupling agent containing the reactive group wherein reactive group of side and glass sheet surface reacts, reactive group and the resin matrix of opposite side react, thus the non-corrosibility that can strengthen better after scale resin solidification and moisture resistance.
But the limited efficiency of aforesaid method, because glass flake is mutually stacked in scale resin coating, forms gap unavoidably, this just provides favourable passage for water molecules infiltrates.Therefore, how reduce the water regain of strong scale resin coating further, thus to improve its permeability resistance be one of brainstorm subject of this field technology staff.
Summary of the invention
Technical purpose of the present invention is for the above-mentioned state of the art, provides a kind of surface treatment method of scale resin coating glass flake.The scale resin coating utilizing the glass flake after the method process to be formed not only has higher bonding force with resin matrix, can improve the compactness of scale resin coating; And can effectively prevent water molecules by the infiltration in the stacked gap of glass flake, thus greatly reduce the water-intake rate of scale resin coating, improve its Corrosion Protection and moisture-proof characteristic.
In order to realize above-mentioned technical purpose, the present inventor explores through long-term scientific research, adopts silane coupling agent to carry out dual modified process to glass flake surface in advance.Namely, the silane coupling agent containing reactive group is not only adopted to carry out surface modification treatment to glass flake, because these groups and resin matrix have stronger response capacity, thus the bonding force between glass flake and resin matrix can be improved, to strengthen the compactness of scale resin coating; And, the Long carbon chain silane coupling agent with hydrophobic performance is adopted to carry out surface modification treatment to glass flake, this coupling agent can improve the affinity between glass flake and resin matrix on the one hand, namely, further increase the bonding force between glass flake and resin matrix, on the other hand owing to having hydrophobic performance, the space formed between the glass flake of superposition mutually can be made to have hydrophobic effect, namely, " the infiltration passage " of water molecules is modified as " hydrophobic channel ", thus effectively prevents the infiltration of water molecules.Experiment confirms, the water-intake rate of the scale resin coating that the glass flake after dual modified process is formed reduces greatly, effectively improves its Corrosion Protection and moisture-proof characteristic.
The technical solution adopted in the present invention is specially: a kind of surface treatment method of scale resin coating glass flake, concrete employing silane coupling agent carries out surface treatment, it is characterized in that: described silane coupling agent comprises two kinds, a kind of is silane coupling agent (hereinafter referred to as silane coupling A) containing reactive group, and another kind is the silane coupling agent (hereinafter referred to as silane coupling agent B) with Long carbon chain hydrophobic performance.
The size of described glass flake be thickness 1 μm ~ 4 μm, length is the flakey C glass of 50 μm ~ 200 μm.
In described silane coupling A, short carbon chain refers to that molecular formula is C
1-C
12carbochain.
In described silane coupling A, reactive group and resin matrix have response capacity, including but not limited to groups such as amino, epoxy group(ing), acrylate-based, vinyl.As preferably, the described silane coupling agent containing reactive group is the mixture of one or more in γ-aminopropyltrialkoxysilane, γ-glycidyl ether oxygen propyl trialkoxy silane, γ-methacryloxypropyl trialkoxy silane, vinyl trialkyl oxysilane, γ-chloropropyl trialkoxy silane etc.
In described silane coupling agent B, Long carbon chain refers to that molecular formula is C
12-C
18carbochain, include but not limited to one or more mixtures in octadecyl trichlorosilane alkane, ten trifluoro octyltrialkoxysilane, ten difluoro heptyl propyl trialkoxy silanes etc.
As preferably, the flakey C glass that described glass flake is thickness is 1 μm ~ 4 μm, length is 50 μm ~ 200 μm.
Described surface treatment method is not limit.The matrix resin being mixed with above-mentioned two kinds of silane coupling A and B can be adopted to carry out monoblock type process to glass flake; Also can adopt the injection method for pretreating above-mentioned two kinds of silane coupling A and B being sprayed at respectively the enterprising row relax of glass flake, or be sprayed at the injection method for pretreating of the enterprising row relax of glass flake after above-mentioned two kinds of silane coupling A being mixed with B.In order to improve glass flake surface-treated homogeneity and integrity, the present inventor preferably adopts following treatment process one and treatment process two:
Treatment process one: two kinds of silane coupling A are mixed with organic solvent respectively with B and forms two kinds for the treatment of solution A and B afterwards, glass flake after cleanup acid treatment is successively immersed in these two kinds for the treatment of solution A and B and carries out surface modification treatment, or these two kinds for the treatment of solution A and B are sprayed respectively or are coated in the glass flake surface after cleanup acid treatment carry out surface modification treatment;
Treatment process two: two kinds of silane coupling A are mixed with B and organic solvent, form mixed treating liquid, glass flake after cleanup acid treatment is immersed in this mixed treating liquid and carries out surface modification treatment, or this mixed treating liquid is directly sprayed or is coated in the glass flake surface after cleanup acid treatment and carry out surface modification treatment.
Wherein, described organic solvent is for dissolving silane coupling agent, belong to non-reacted organic solvent, namely do not react with glass flake and resin matrix, include but not limited to ethanol, normal hexane, dioxane, DBE, butyl ether, one or more mixtures in Terpineol 350, N-BUTYL ACETATE etc.
Described cleanup acid treatment refers to carries out cleaning pre-treatment with acid solution to glass flake.Acid solution includes but not limited to a kind of solution in sulphuric acid soln, phosphoric acid solution, salpeter solution, hydrochloric acid soln, perchloric acid solution, hydrofluoric acid solution etc. or several mixing solutionss.Wherein, the mass percent concentration of acid solution is preferably 1% ~ 50%.
After described silane coupling A mixes with organic solvent in the treatment solution A that formed, silane coupling agent mass percent concentration is preferably 0.1% ~ 30%, and more preferably 1% ~ 8%.
After described silane coupling agent B mixes with organic solvent in the treatment solution B that formed, silane coupling agent mass percent concentration is preferably 0.1% ~ 30%, and more preferably 1% ~ 15%.
After two kinds of described silane coupling A mix with B and organic solvent in the mixed treating liquid that formed, silane coupling agent mass percent concentration is 0.1% ~ 60%, more preferably 1% ~ 30%.The mass ratio of silane coupling A and B is 1:3 ~ 3:1.
In described treatment process one, by when carrying out surface modification treatment in the glass flake after cleanup acid treatment successively immersion two kinds for the treatment of solution A and B, treatment solution temperature is preferably 10 DEG C ~ 100 DEG C, more preferably 15 DEG C ~ 80 DEG C; Leave standstill after immersing or stir; Treatment time is preferably 1 hour ~ 24 hours, more preferably 5 hours ~ 12 hours.
In described treatment process two, immersed by the glass flake after cleanup acid treatment in this mixed treating liquid when carrying out surface modification treatment, treatment solution temperature is preferably 10 DEG C ~ 100 DEG C, more preferably 15 DEG C ~ 80 DEG C; Leave standstill after immersing or stir; Treatment time is preferably 1 hour ~ 24 hours, more preferably 5 hours ~ 12 hours.
In described treatment process one, the quality of glass flake and the mass ratio for the treatment of solution A are preferably 1:1 ~ 1:10; The quality of glass flake and the mass ratio for the treatment of solution B are preferably 1:1 ~ 1:10.
In described treatment process two, the quality of glass flake and the mass ratio of mixed treating liquid are preferably 1:1 ~ 1:10.
Glass flake after above-mentioned dual modified process and resin matrix have higher bonding force, have micro-hydrophobic performance simultaneously.Therefore, the coating that the scale resin coating adopting the glass flake after this surface modification, matrix resin and additive to form is formed has high compactness on the one hand, by " capillary effect ", there is " hydrophobic channel " on the other hand, effectively can prevent the infiltration of water molecules, thus greatly reduce the water-intake rate of coating, improve its Corrosion Protection and moisture-proof characteristic.
As preferably, in described scale resin coating each component and mass fraction as follows:
Vinylite 45 ~ 70 parts; Through the glass flake 15 ~ 35 parts of surface modification treatment; Additive 1 ~ 20 part.
Described additive comprises mica powder, defoamer, thixotropic agent, promotor etc.As a kind of implementation, described additive comprises mica powder 3 ~ 6 parts, polydimethylsiloxane defoamer 0.3 ~ 2 part, thixotropic agent 7200-200.3 ~ 5 part, promotor cobalt naphthenate 0.1 ~ 1 part.
Described Vinylite includes but not limited to the mixture of a kind of resin in epoxide modified Vinylite, acrylic modified Vinylite, bisphenol A modified Vinylite, phenol aldehyde modified Vinylite or several resin.
The using method of described scale resin coating is mixed with solidifying agent by scale resin coating, is coated in surface to be coated, forms scale resin coating after solidification.
Described solidifying agent is not limit, and comprises methylethyl ketone peroxide (its effective oxygen is preferably 1 ~ 5%), dicumyl peroxide, peroxy dicarbonate two (4-tert-butylcyclohexyl).
Described scale resin coating and the mass ratio of solidifying agent are preferably 40:1 ~ 70:1.
In sum, the present invention adopts two kinds of silane coupling agents, a kind of is short carbon chain silane coupling A containing reactive group, another kind is the silane coupling agent B with Long carbon chain hydrophobic performance, dual modified process is carried out to glass flake surface, makes its surface have hydrophilic radical and hydrophobic grouping simultaneously.Specifically: adopt silane coupling A, strengthened the compactness of scale resin coating by the bonding force improved between glass flake and resin matrix, thus achieve the object reducing coating water regain, improve its permeability resistance; Meanwhile, adopt silane coupling agent B, make the space formed between the glass flake of superposition mutually have hydrophobic effect, thus effectively prevent the infiltration of water molecules, achieve the object reducing coating water regain, improve its permeability resistance.Therefore, the water-intake rate greatly reducing coating of the scale resin coating formed by the glass flake after the inventive method surface modification, improve its Corrosion Protection and moisture-proof characteristic, have a good application prospect, such as, in the heavy antisepsis fields such as and marine anticorrosion anticorrosion with the chimney anticorrosion of flue gas desulfurization (FGD) unit, petrochemical pipe.
Specific embodiments
The present invention is illustrated further below in conjunction with embodiment.Should be understood that these embodiments are only for illustration of the present invention, and be not used in and limit the scope of the invention.
Embodiment 1:
In the present embodiment, coupling agent is adopted to carry out surface preparation to glass flake.Coupling agent is made up of coupling agent A and coupling agent B, and coupling agent A is vinyl trialkyl oxysilane, and coupling agent B is dodecyl trichlorosilane.Detailed process is as follows:
(1) coupling agent A is added in ethanolic soln, mix, form the treatment solution A that mass percent concentration is 8%; Coupling agent B is added in ethanolic soln, mixes, form the treatment solution B that mass percent concentration is 8%;
(2) by perchloric acid, concentrated nitric acid according to perchloric acid: the mixing of the mass ratio of concentrated nitric acid=1:1, stir after being diluted to 20% ~ 60% concentration with deionized water, form acid solution, glass flake to be immersed in this acid solution clean 2 hours, clean with a large amount of deionized water after filtration, then nitrogen dries up or puts into 60 degree of baking ovens and dries;
(3) glass flake of step (2) cleanup acid treatment is first joined in the obtained treatment solution A of 50mL step (1), take out after 50 DEG C of stirring reaction 5h, filter after cleaning with ethanol, then join in the obtained treatment solution B of 50mL step (1), take out after 50 DEG C of stirring reaction 5h, with ethanol clean, filter after in 80 DEG C of oven dry, obtain the glass flake after surface double modification.
By the glass flake after above-mentioned for 20g surface double modification, the phenol aldehyde modified Vinylite of 50g, 5g mica powder, 0.4g polydimethylsiloxane defoamer, 0.2g thixotropic agent 7200-20,0.25g promotor cobalt naphthenate blended composition scale resin coating.In concrete mixing process, adopt mica powder, polydimethylsiloxane defoamer, thixotropic agent 7200-20, and promotor cobalt naphthenate adds in phenol aldehyde modified Vinylite successively, dispersed with stirring 30min, then slowly add the glass flake after surface double modification, stir rear obtained scale resin coating.
The concrete using method of above-mentioned obtained scale resin coating is, the methylethyl ketone peroxide being 2% by scale resin coating and effective oxygen mixes, wherein, the mass ratio of scale resin coating and methylethyl ketone peroxide is 50:1, be coated in surface to be coated after stirring, after solidification, form scale resin coating.
Comparing embodiment 1:
This enforcement is one of comparative example of above-described embodiment 1.
In the present embodiment, glass flake does not carry out surface preparation.This glass flake is utilized to prepare scale resin coating.Compared with embodiment 1, in the process for preparation of this scale resin coating, except adopting the glass flake without surface preparation to replace the glass flake after surperficial dual modified process, other conditions are identical with embodiment 1.
The concrete using method of above-mentioned obtained scale resin coating is identical with embodiment 1, namely, the methylethyl ketone peroxide being 2% by scale resin coating and effective oxygen mixes, wherein, the mass ratio of scale resin coating and methylethyl ketone peroxide is 50:1, be coated in surface to be coated after stirring, after solidification, form scale resin coating.
Comparing embodiment 2:
This enforcement is another comparative example of above-described embodiment 1.
In the present embodiment, coupling agent is adopted to carry out surface preparation to glass flake.But different from embodiment 1, coupling agent is only made up of coupling agent A, coupling agent A is vinyl trialkyl oxysilane.Concrete treating processes is as follows:
(1) coupling agent A is added in ethanolic soln, mix, form the treatment solution A that mass percent concentration is 8%;
(2) by perchloric acid, concentrated nitric acid according to perchloric acid: the mixing of the mass ratio of concentrated nitric acid=1:1, after being diluted to 20% ~ 60% concentration with deionized water, stir, form acid solution, glass flake to be immersed in this acid solution clean 2 hours, clean with a large amount of deionized water after filtration, then nitrogen dries up or puts into 60 degree of baking ovens and dries;
(3) glass flake of step (2) cleanup acid treatment is first joined in the obtained treatment solution A of 50mL step (1), takes out after 50 DEG C of stirring reaction 5h, with ethanol clean, filter after in 80 DEG C of oven dry, obtain the glass flake after surface modification treatment.
This glass flake is utilized to prepare scale resin coating.Compared with embodiment 1, in the process for preparation of this scale resin coating, the glass flake replacing in embodiment 1 after surface double modification except adopting the glass flake after surface modification treatment obtained above, other conditions are identical with embodiment 1.
The concrete using method of above-mentioned obtained scale resin coating is identical with embodiment 1, namely, the methylethyl ketone peroxide being 2% by scale resin coating and effective oxygen mixes, wherein, the mass ratio of scale resin coating and methylethyl ketone peroxide is 50:1, be coated in surface to be coated after stirring, after solidification, form scale resin coating.
Embodiment 2:
In the present embodiment, coupling agent is adopted to carry out surface preparation to glass flake.Coupling agent is made up of coupling agent A and coupling agent B, and coupling agent A is γ-glycidyl ether oxygen propyl trialkoxy silane, and coupling agent B is octadecyl trichlorosilane alkane.Detailed process is as follows:
(1) by coupling agent A1mL, coupling agent B1mL, adds successively in 120mL butyl ether solution, mixes, and forms mixed treating liquid;
(2) by the vitriol oil, concentrated nitric acid with water according to the vitriol oil: concentrated nitric acid: the mass ratio of water=2:1:2 mixes, stir, form acid solution, glass flake to be immersed in this acid solution clean 2 hours, clean with a large amount of deionized water after filtration, then nitrogen dries up or puts into 60 degree of baking ovens and dries;
(3) slowly poured into by mixed treating liquid obtained for step (1) and 30g is housed in the container of the glass flake of step (2) cleanup acid treatment, stirred at ambient temperature reaction 12h, then filters, in 80 DEG C of oven dry, obtains the glass flake after surface double modification.
By the glass flake after above-mentioned for 30g surface double modification, the epoxide modified Vinylite of 65g, 5g mica powder, 0.5g polydimethylsiloxane defoamer, 0.25g thixotropic agent 7200-20,0.3g promotor cobalt naphthenate blended composition scale resin coating.In concrete mixing process, adopt mica powder, polydimethylsiloxane defoamer, thixotropic agent 7200-20, and promotor cobalt naphthenate adds in epoxide modified Vinylite successively, dispersed with stirring 30min, then slowly add the glass flake after surface double modification, stir rear obtained scale resin coating.
The concrete using method of above-mentioned obtained scale resin coating is, the methylethyl ketone peroxide being 4% by scale resin coating and effective oxygen mixes, wherein, the mass ratio of scale resin coating and methylethyl ketone peroxide is 70:1, be coated in surface to be coated after stirring, after solidification, form scale resin coating.
Above-described embodiment 1, comparative example 1 and 2 is measured with reference to HG2-1612-85 method, and the water regain of the scale resin coating obtained in embodiment 2, the contrast of gained test result is as follows:
| Embodiment | Water regain (mg/cm 2） |
| Embodiment 1 | 0.046 |
| Comparative example 1 | 0.72 |
| Comparative example 2 | 0.28 |
| Embodiment 2 | 0.06 |
Above-described embodiment has been described in detail technical scheme of the present invention; be understood that and the foregoing is only specific embodiments of the invention; be not limited to the present invention; all make in spirit of the present invention any amendment, supplement or similar fashion substitute etc., all should be included within protection scope of the present invention.
Claims (14)
1. the surface treatment method of a scale resin coating glass flake, concrete employing silane coupling agent carries out surface treatment, it is characterized in that: described silane coupling agent comprises two kinds, be the short carbon chain silane coupling A containing reactive group, another kind is the Long carbon chain silane coupling agent B with hydrophobic performance; Described short carbon chain refers to that molecular formula is C
1-C
12carbochain; Described Long carbon chain refers to that molecular formula is C
12-C
18carbochain;
Described treating processes is: two kinds of silane coupling A mixed with organic solvent respectively with B and form two kinds for the treatment of solution A and B afterwards, glass flake after cleanup acid treatment is successively immersed in these two kinds for the treatment of solution A and B and carries out surface treatment, or these two kinds for the treatment of solution A and B are sprayed respectively or is coated in the surface of the glass flake after cleanup acid treatment; Or,
Treating processes is: two kinds of silane coupling A mixed with B and organic solvent, form mixed treating liquid, glass flake after cleanup acid treatment is immersed in this mixed treating liquid and carries out surface treatment, or this mixed treating liquid is directly sprayed or is coated in the surface of the glass flake after cleanup acid treatment;
In described treatment solution A, silane coupling agent mass percent concentration is 0.1% ~ 30%;
In described treatment solution B, silane coupling agent mass percent concentration is 0.1% ~ 30%;
In described mixed treating liquid, silane coupling agent mass percent concentration is 0.1% ~ 60%, and the mass ratio of silane coupling A and B is 1:3 ~ 3:1.
2. the surface treatment method of scale resin coating glass flake according to claim 1, it is characterized in that: described containing in the short carbon chain silane coupling A of reactive group, reactive group comprises the mixture of one or more in amino, epoxy group(ing), acrylate-based, vinyl.
3. the surface treatment method of scale resin coating glass flake according to claim 1, is characterized in that: the described short carbon chain silane coupling A containing reactive group comprises the mixture of one or more in γ-aminopropyltrialkoxysilane, γ-glycidyl ether oxygen propyl trialkoxy silane, γ-methacryloxypropyl trialkoxy silane, vinyl trialkyl oxysilane, γ-chloropropyl trialkoxy silane.
4. the surface treatment method of scale resin coating glass flake according to claim 1, is characterized in that: described Long carbon chain silane coupling agent B comprises one or more mixtures in octadecyl trichlorosilane alkane, ten trifluoro octyltrialkoxysilane, ten difluoro heptyl propyl trialkoxy silanes.
5. the surface treatment method of the scale resin coating glass flake according to claim arbitrary in Claims 1-4, is characterized in that: the flakey C glass that described glass flake is thickness is 1 ~ 4 μm, length is 50 ~ 200 μm.
6. the surface treatment method of the scale resin coating glass flake according to claim arbitrary in Claims 1-4, it is characterized in that: described organic solvent comprises ethanol, normal hexane, dioxane, DBE, butyl ether, one or more mixtures in Terpineol 350, N-BUTYL ACETATE.
7. the surface treatment method of the scale resin coating glass flake according to claim arbitrary in Claims 1-4, is characterized in that: in described treatment solution A, and silane coupling agent mass percent concentration is 1% ~ 8%.
8. the surface treatment method of the scale resin coating glass flake according to claim arbitrary in Claims 1-4, is characterized in that: in described treatment solution B, and silane coupling agent mass percent concentration is 1% ~ 15%.
9. the surface treatment method of the scale resin coating glass flake according to claim arbitrary in Claims 1-4, is characterized in that: in described mixed treating liquid, silane coupling agent mass percent concentration is 1% ~ 30%.
10. a scale resin coating, is made up of glass flake, matrix resin and additive, it is characterized in that: described glass flake is the glass flake obtained after adopting the method in Claims 1-4 described in arbitrary claim to carry out surface treatment.
11. scale resin coating according to claim 10, is characterized in that: according to mass fraction meter, its component and content as follows:
Vinylite 45 ~ 70 parts;
Glass flake after surface treatment 15 ~ 35 parts;
Additive 1 ~ 20 part.
12. scale resin coating according to claim 11, is characterized in that: described additive comprises mica powder 3 ~ 6 parts, polydimethylsiloxane defoamer 0.3 ~ 2 part, thixotropic agent 7200-20 0.3 ~ 5 part, promotor cobalt naphthenate 0.1 ~ 1 part.
The using method of 13. scale resin coating according to claim 10, is characterized in that: mixed with solidifying agent by scale resin coating, is coated in surface to be coated, forms scale resin coating after solidification.
The using method of 14. scale resin coating according to claim 13, it is characterized in that: described solidifying agent comprises the mixture of one or more in methylethyl ketone peroxide, dicumyl peroxide, peroxy dicarbonate two (4-tert-butylcyclohexyl), and described scale resin coating and the mass ratio of solidifying agent are 40:1 ~ 70:1.
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