CN101792285A - Chromium-free environment-friendly epoxy anticorrosion primer - Google Patents

Chromium-free environment-friendly epoxy anticorrosion primer Download PDF

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CN101792285A
CN101792285A CN 201010138075 CN201010138075A CN101792285A CN 101792285 A CN101792285 A CN 101792285A CN 201010138075 CN201010138075 CN 201010138075 CN 201010138075 A CN201010138075 A CN 201010138075A CN 101792285 A CN101792285 A CN 101792285A
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component
anticorrosion primer
pigment
epoxy anticorrosion
free epoxy
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CN101792285B (en
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林志宏
国建坡
张雅琴
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DE LAITTERN ENVIRONMENTAL COATING (BEIJING) Co Ltd
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DE LAITTERN ENVIRONMENTAL COATING (BEIJING) Co Ltd
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Abstract

The invention relates to an environment-friendly double-component epoxy anticorrosion primer without containing heavy metals such as chromium and the like. The primer is prepared from components A and B, wherein the component A contains bisphenol A epoxy resin, active dilute, tinting pigment, antirust pigment, filler, auxiliary agent, mixed solvent and the like; and the component A is a curing agent component and contains two cashew nut shell modified phenolic aldehyde amine curing agents with different amine values and a mixed solvent. During use, the components A and B are mixed in a weight ratio of 5 to 1. The anticorrosion primer does not contain the heavy metals such as chromium and the like, and meanwhile has excellent anticorrosion performance, physical and mechanical properties, salt mist resistance and acid and alkali resistance. The primer is particularly suitable for coating steel materials, aluminum materials, aluminum alloy and the like, and can be used as a surface anticorrosion primer for airplanes, rapid trains and the like with high anticorrosion requirements. The primer can be normally constructed even at the low temperature of 5 DEG C below zero, and has excellent matching property with finishing paint.

Description

Chromium-free environment-friendly epoxy anticorrosion primer
Technical field
The present invention relates to a kind of anti-corrosion primer, more specifically, relate to a kind of two-pack chromium-free environment-friendly epoxy anticorrosion primer.
Background technology
Epoxy anticorrosion primer is widely used in heavy corrosion-resistant field such as boats and ships, inner and outer walls of pipeline, mine steelframe, aircraft, bullet train.In order to obtain better anticorrosion ability, generally all be added with the rust-stabilising pigment that contains chromium in the existing epoxy anticorrosion primer, for example chromyl chromic salt etc. improves antiseptic property.The protective system of two-pack is disclosed as Chinese patent application open CN101457116A, CN100526406C, adopted the neccessary composition as its rust-stabilising pigment such as zinc yellow, chrome yellow, strontium yellow, phosphorus zinc chromate, the contained chromium metal of these pigment is harmful, and especially sexavalent chrome has carinogenicity.Contain heavy metallic pigments such as chromium in the priming paint and can between the usage period after preparation, construction and the film forming of coating, cause serious harm workmen and environment.
For this reason, develop both at home and abroad the protective system of some Chrome-frees successively, open CN101260252 discloses a kind of chromium-free Dyclo paint as Chinese patent application, with flake zinc powder and aluminium powder as rust-stabilising pigment.Yet there is certain defective in this type of coating aspect weathering resistance.In the application of aircraft, bullet train etc., because rapid variation takes place in coating envrionment temperature of living at short notice, demands for higher performance to anti-corrosion primer, the priming paint that uses in these are used must have sticking power and the better toughness stronger with ground, otherwise the ground that causes along with variation of temperature expands with heat and contract with cold, the sticking power of coating and ground is with continuous deterioration, the toughness variation, embrittlement takes place and crackle occurs, can cause coating shedding and peel off after using for some time, lose preservative activity.
Therefore, develop a kind of environmental protection and have certain toughness, shock-resistant, anticorrosion, can more and more be subjected to people's great attention at the protective system of low temperature-5 ℃ solidified excellent combination property.
Summary of the invention
The technical problem to be solved in the present invention is to overcome not environmental protection, the easily crisp shortcoming of paint film poor toughness that existing epoxy anticorrosion primer exists, and a kind of Chrome-free epoxy anticorrosion primer is provided.This priming paint has good sticking power to ground, can keep sticking power and the toughness good to ground under weather envrionment conditions jumpy, thereby provides favorable protection for ground.
The invention provides a kind of two-pack Chrome-free epoxy anticorrosion primer, formulated by A component and B component according to 5: 1 weight ratio, wherein:
The A component comprises the following composition according to the weight part meter:
Bisphenol A epoxide resin 20~35
Reactive thinner 1~6
Pigment: tinting pigment 8~16
Rust-stabilising pigment 10~30
Filler: ultrafine quartz powder 3~10
Aluminium powder 2~8
Talcum powder 8~15
Auxiliary agent: adhesion promoter 1~5
Anti-heavy sag prevention auxiliary agent 0.3~1
Dispersion agent 0.5~1.5
Flow agent 0.3~1
Defoamer 0.3~1
Mixed solvent: 1-Methoxy-2-propyl acetate 3~15
Butanols 1~10
Dimethylbenzene 1~15
The B component comprises the following composition according to the weight part meter:
The amine value is 180~210 cashew nut shell modified phenolic amine hardeners 25~40
The amine value is 220~270 cashew nut shell modified phenolic amine hardeners 25~40
Dimethylbenzene 5~20
Butanols 5~20
Trimethylbenzene 5~20.
Wherein, described bisphenol A epoxide resin can be: 601 (E-20), 618 (E-51), 1001,128 or 828, preferably adopt the bisphenol A epoxide resin collocation of two kinds of different molecular weights to use.Wherein Resins, epoxy 601 for example is the 0191-X-75 Resins, epoxy that Wuxi resin processing plant produces.Particularly preferably being molecular weight is that 850~1050 middle molecular weight bisphenol A epoxide resin 601 and molecular weight are that 300~417 liquid bisphenol A epoxide resin 618 is jointly as the bisphenol A epoxide resin composition.
Described reactive thinner can be given coating toughness, as has the alcohol ether of unsaturated fatty acids long-chain, for example the NX-513 of Ka Delai company; Or C 12~C 14Glycidyl ether type reactive thinner, for example Epodil 748 (AGE); Or the glycidyl ether type reactive thinner that smell is little, viscosity is low, for example KB-62 of chemical industry company limited of Zhangjiagang card nation.
Described tinting pigment adopts titanium dioxide, does not contain the organic yellow ultramarine or the phthalocyanine blue pigment of chromium.The preferred Rutile type Titanium Dioxide of titanium dioxide, for example R902 +
Described rust-stabilising pigment is the SRPP (modification hydration polyphosphoric acid strontium aluminium) of aluminium triphosphate, zinc phosphate, Heubach company or the 465M (phosphorylated amino oxidation magnesium salts) of Pigmentan company.
Described ultrafine quartz powder is the commercially available prod, and for example silicon is than the X7 of section.
Described adhesion promoter for example is that AP3000, the moral of Canadian Canfair Technologies is modest 1121, Degussa LTW or KH560 silane coupling agent.
Described anti-heavy sag prevention auxiliary agent is organobentonite, aerosil or modified urea solution.Described modified urea solution is BYK-410.
Described dispersion agent for example is common dispersants such as BYK-P104S, the BYK-103 of Bi Ke company or ANTI-TERRA-U.
Described cashew nut shell modified phenolic amine hardener can be purchased, and wherein the amine value is that 180~210 cashew nut shell modified phenolic amine hardener for example is MD2015, MD2015C or the MD2041 of Ka Delai NX-2015, Ka Delai NX-2015A or Shanghai Meidong Biological Material Co., Ltd; Described amine value is that 220~270 cashew nut shell modified phenolic amine hardener for example is the YJC-301 or the YJC-102 of Ka Delai NX-2041, Jinan Yun Jia chemical industry company limited.The cashew nut shell modified phenolic amine hardener collocation of above-mentioned two kinds of different amine values is used.
The present invention also provides the preparation method of this chromium-free environment-friendly epoxy anticorrosion primer, and it may further comprise the steps:
1) formulation components A
At first prepare mill base: bisphenol A epoxide resin and reactive thinner, dispersion agent, anti-heavy sag prevention auxiliary agent, the mixed solvent of part among the component A are added the mix jar and be uniformly dispersed, add pigment and filler again, stirring stirs evenly, add in the sand mill, it is qualified to be ground to fineness, filters, standby;
Mill base that this is ground adds paint mixing tank, adds remaining composition among the component A, stir, after viscosimetric reaches 80~120 seconds, filter, pack component A;
(2) formulation components B
Press formula ratio and successively each composition of B component is added in the container, stir, filter, be packaged to be B component;
(3) A component and the B component weight ratio according to 5: 1 is mixed before using, adopt Airless spraying or conventional aerial spraying or brush application.
If adopt the high pressure painting construction, need not to add thinner, A component and the B component weight ratio according to 5: 1 is mixed and can spray.
The present invention is had no particular limits employed ground, and the ground that can enumerate comprises steel, aluminium alloy, stainless steel or the like.Particularly preferred ground is an aluminium alloy base material.
Priming paint of the present invention for the finish paint of follow-up coating or middle painted performance, kind without limits, matching capacity is good.Usually conventional finish paint or the middle japanning of using in this area may be used on the priming paint of the present invention.Described finish paint or middle japanning include but not limited to epoxy, vinylformic acid, urethane, polyester, alkyd, phenolic aldehyde and vinyl coating.
Priming paint of the present invention is specially adapted to use on aircraft, the bullet train, so that excellent antiseptic property and mechanical property to be provided.
The present invention has following beneficial effect:
1. good environmental protection has been abandoned in the selection of rust-stabilising pigment heavy metallic pigments such as very big leaded, the chromium of human and environment harm, and final coating composition and coating are a kind of chromium free paint composition and coating, can not work the mischief to operating personnel and environment.
2. simultaneously, in order to remedy no chrome pigment and to contain the difference of chrome pigment on antiseptic property, the present invention has selected aluminium triphosphate, zinc phosphate, the SRPP of Heubach company or the 465M high-performance rust-stabilising pigment of Pigmentan company for use.
3. adopted the solidifying agent of two kinds of different amine values, and used reactive thinner, adhesion promoter, improved final filming greatly, obtained excellent sticking power effect for the tack of ground; It is fine and close more to film, and antiseptic property and mechanical property are improved, and its antiseptic property is equivalent to or has surpassed traditional antiseptic property that contains the chromium epoxy primer.
4. to the discovery in the test of final coating performance,, make the toughness of final coating improve greatly, improved the ability of coating tolerable temperature environment jumpy owing in coating composition, used reactive thinner.Reactive thinner can guarantee the physicochemical property of paint film, the toughness that can also regulate construction operation time simultaneously and film again when reducing coating VOC content.Its particular structure makes it splendid consistency be arranged with various epoxy systems, and there is very intensive wetting property on the surface of constructing, and the snappiness of coating, anticorrosion, weather-proof protection are had good promoter action
Embodiment
Below in conjunction with specific embodiment to the preferred embodiment of the invention with and the beneficial technical effects that produced further make an explanation, but, it will be appreciated by those skilled in the art that the present invention is not limited to the content of these concrete embodiments and embodiment.
In an embodiment, unless clear and definite indication is arranged in addition, " part " refers to " weight part ", " ratio " refers to " weight ratio ", and " % " refers to " weight percent ".
Embodiment 1
In embodiment 1, bisphenol A epoxide resin is 601 Resins, epoxy (the Wuxi resin processing plant trade mark is 0191-X75) and liquid epoxies 618; Reactive thinner is Ka Delai NX-513; Tinting pigment is rutile titanium dioxide and organic yellow ultramarine; Rust-stabilising pigment is the 465M of aluminium triphosphate (800 order) and Pigmentan company; Adhesion promoter is Degussa LTW; Anti-heavy sag prevention auxiliary agent is organobentonite and BYK-410; Dispersion agent is BYK-103; Flow agent is BYK-358N; Defoamer is BYK-A530; The amine value is that 180~210 cashew nut shell modified phenolic amine hardener is Ka Delai NX-2015; The amine value is that 220~270 cashew nut shell modified phenolic amine hardener is the MD2041 of Shanghai Meidong Biological Material Co., Ltd.
The preparation of priming paint 1:
The A component comprises the following composition according to weight part:
Bisphenol A epoxide resin 0191-X75 24
Bisphenol A epoxide resin 618 5
Reactive thinner: NX-513 3
Tinting pigment: titanium dioxide 8
Organic yellow ultramarine 0.6
Rust-stabilising pigment: 465M 8
Aluminium triphosphate (800 order) 10.3
Filler: ultrafine quartz powder X7 7
Aluminium powder 2
Talcum powder (800 order) 10
Auxiliary agent: adhesion promoter: Degussa LTW 3
Anti-heavy sag prevention auxiliary agent: organobentonite 0.5
BYK-410 0.3
Dispersion agent: BYK-103 1
Flow agent: BYK-358N 0.6
Defoamer: BYK A530 0.5
Mixed solvent: 1-Methoxy-2-propyl acetate 5.5
Butanols 3
Dimethylbenzene 7.7
The B component comprises the following composition according to the weight part meter:
Cashew nut shell modified phenolic amine hardener NX-2015 32
Cashew nut shell modified phenolic amine hardener MD2041 30
Dimethylbenzene 23
Butanols 8
Trimethylbenzene 7
The preparation method is as follows:
1) formulation components A
At first prepare mill base: two kinds of Resins, epoxy among the component A are respectively got 2/3, add the mix jar and be uniformly dispersed, add pigment and filler again with reactive thinner, dispersion agent, anti-heavy sag prevention auxiliary agent, mixed solvent, stirring stirs evenly, and adds in the sand mill, and it is qualified to be ground to fineness, filter, standby;
Mill base that this is ground adds paint mixing tank, adds remaining composition among the component A, stir, after viscosimetric reaches 80~120 seconds, filter, pack component A;
(2) formulation components B
Press formula ratio and successively each composition of B component is added in the container, stirred 0.5~1 hour, filter and package and obtain B component;
(3) before the use A component and B component are mixed according to 5: 1 weight ratio, promptly obtain described coating composition.
Embodiment 2
In embodiment 2, reactive thinner is C 12~C 14Glycidyl ether; Rust-stabilising pigment is the SRPP of aluminium triphosphate (800 order) and Heubach company; Adhesion promoter is the AP-3000 of Canadian CanfairTechnologies.The amine value is that 180~210 solidifying agent is Ka Delai NX-2015A, and the amine value is that 220~270 solidifying agent is the YJC-301 of Jinan Yun Jia chemical industry company limited.Other is identical with embodiment 1.
The A component comprises the following composition according to weight part:
Bisphenol A epoxide resin 0191-X75 24
Bisphenol A epoxide resin 618 5
Reactive thinner: C 12~C 14Glycidyl ether 2
Tinting pigment: titanium dioxide 8
Organic yellow ultramarine 0.6
Rust-stabilising pigment: SRPP 10
Aluminium triphosphate (800 order) 10
Filler: ultrafine quartz powder X7 7
Aluminium powder 2
Talcum powder (800 order) 10.8
Auxiliary agent: adhesion promoter: AP-3000 2
Anti-heavy sag prevention auxiliary agent: organobentonite 0.5
BYK-410 0.5
Dispersion agent: BYK-103 1
Flow agent: BYK-358N 0.6
Defoamer: BYK-A530 0.5
Mixed solvent: 1-Methoxy-2-propyl acetate 5.7
Butanols 3
Dimethylbenzene 7
The B component comprises the following composition according to the weight part meter:
Cashew nut shell modified phenolic amine hardener NX-2015A 30
Cashew nut shell modified phenolic amine hardener YJC-301 35
Dimethylbenzene 19
Butanols 8
Trimethylbenzene 8
The preparation method of embodiment 2 is identical with embodiment 1.
A component and B component are mixed according to 5: 1 weight ratio, promptly obtain described coating composition.
Embodiment 3
In embodiment 3, described reactive thinner is KB-62; Adhesion promoter is Degussa LTW; Other is identical with embodiment 2.
The A component comprises the following composition according to weight part:
Bisphenol A epoxide resin 0191-X75 24
Bisphenol A epoxide resin 618 5
Reactive thinner: KB-62 2
Tinting pigment: titanium dioxide 8
Organic yellow pigment 0.6
Rust-stabilising pigment: SRPP 10
Aluminium triphosphate (800 order) 10
Filler: ultrafine quartz powder X7 7
Aluminium powder 2
Talcum powder (800 order) 10.8
Auxiliary agent: adhesion promoter: Degussa LTW 3
Anti-heavy sag prevention auxiliary agent: organobentonite 0.45
BYK-410 0.3
Dispersant B YK-103 1
Flow agent BYK-358N 0.5
Defoamer BYK-A530 0.5
Mixed solvent: 1-Methoxy-2-propyl acetate 4.8
Butanols 3
Dimethylbenzene 7.05
The B component comprises the following composition according to the weight part meter:
Cashew nut shell modified phenolic amine hardener NX-2015A 30
Cashew nut shell modified phenolic amine hardener YJC-301 35
Dimethylbenzene 20
Butanols 8
Trimethylbenzene 7
The preparation method of embodiment 3 is identical with embodiment 1.
A component and B component are mixed according to 5: 1 weight ratio, promptly obtain described coating composition.
Comparative Examples 1
In the Comparative Examples 1, do not use reactive thinner, and replace the non-activated thinner NX-2020 of Ka Delai company; Rust-stabilising pigment is the SRPP of aluminium triphosphate (800 order) and Heubach company.Solidifying agent adopts Ka Delai NX-2015A, and other is identical with embodiment 2.
The A component comprises the following composition according to weight part:
Bisphenol A epoxide resin 0191-X75 24
Bisphenol A epoxide resin 618 5
Thinner NX-2020 2
Tinting pigment: titanium dioxide 8
Organic yellow tinting pigment 0.6
Rust-stabilising pigment: SRPP 10
Aluminium triphosphate (800 order) 10
Filler: ultrafine quartz powder X7 7
Aluminium powder 2
Talcum powder (800 order) 10.8
Auxiliary agent: adhesion promoter: AP3000 2
Anti-heavy sag prevention auxiliary agent: organobentonite 0.5
BYK-410 0.3
Dispersion agent: BYK-103 1
Flow agent: BYK-358N 0.6
Defoamer: BYK-A530 0.5
Mixed solvent: 1-Methoxy-2-propyl acetate 5.7
Butanols 3
Dimethylbenzene 7
The B component comprises the following composition according to the weight part meter:
Cashew nut shell modified phenolic amine hardener NX-2015 60
Dimethylbenzene 24
Butanols 8
Trimethylbenzene 8
The preparation method is with embodiment 1.
A component and B component are mixed according to 5: 1 weight ratio, promptly obtain described coating composition.
Comparative Examples 2
In the Comparative Examples 2, do not adopt reactive thinner, the rust-stabilising pigment composite zinc phosphate, solidifying agent adopts 650 commercially available polyamide curing agents.Other is identical with embodiment 3.
The A component comprises the following composition according to weight part:
Bisphenol A epoxide resin 0191-X75 24
Bisphenol A epoxide resin 618 5
Tinting pigment: titanium dioxide 8
Organic yellow tinting pigment 0.6
Rust-stabilising pigment: composite zinc phosphate 10
Aluminium triphosphate (800 order) 10
Filler: ultrafine quartz powder X7 7
Aluminium powder 2
Talcum powder (800 order) 9
Auxiliary agent: adhesion promoter: AP3000 2
Anti-heavy sag prevention auxiliary agent: wilkinite 0.5
BYK-410 0.3
Dispersant B YK-103 1
Flow agent BYK-358N 0.6
Defoamer BYK-A530 0.5
Mixed solvent: 1-Methoxy-2-propyl acetate 8
Butanols 3
Dimethylbenzene 8.5
The B component comprises the following composition according to the weight part meter:
650 polyamide curing agents 65
Dimethylbenzene 25
Butanols 10
The preparation method is with embodiment 1.
A component and B component are mixed according to 5: 1 weight ratio, promptly obtain described coating composition.
Use conventional aerial spraying to prepare model embodiment 1-3 and Comparative Examples 1, Comparative Examples 2, and to the performance of formed paint film, detect according to national standard, the result is as follows:
Figure GSA00000054165400131
* annotate: salt spray resistance adopts GB/T 1991 standards, and the plate face is non-foaming, non-corrosive; Corrosion width≤2mm in cross scratch place is for qualified.
From above-mentioned detected result as can be seen, compare with the paint film property of the Comparative Examples 1 that does not contain reactive thinner, the paint film property of embodiments of the invention 1-3 is all having remarkable advantages aspect solid content, surface drying time, snappiness, adhesion property, the salt spray resistance.
Comparative Examples 2 does not contain the paint solvent content height of reactive thinner preparation.Adopt the polyamide curing agent drying property slow, paint film flexibility, adhesion property, salt spray resistance the aspect all paint film of comparative example 1-3 are poor.
Though the most practical invention has been described with embodiment preferred in conjunction with being considered at present, but be to be understood that the present invention is not limited only to above-mentioned disclosed embodiment, those skilled in the art can expect in purport of the present invention and spirit technical scheme of the present invention being carried out changes and improvements, and do not break away from defined model scope of the present invention in additional claims.

Claims (11)

1. a two-pack Chrome-free epoxy anticorrosion primer is formulated according to 5: 1 weight ratio by A component and B component, wherein:
The A component comprises the following composition according to the weight part meter:
Bisphenol A epoxide resin 20~35
Reactive thinner 1~6
Pigment: tinting pigment 8~16
Rust-stabilising pigment 10~30
Filler: ultrafine quartz powder 3~10
Aluminium powder 2~8
Talcum powder 8~15
Auxiliary agent: adhesion promoter 1~5
Anti-heavy sag prevention auxiliary agent 0.3~1
Dispersion agent 0.5~1.5
Flow agent 0.3~1
Defoamer 0.3~1
Mixed solvent: 1-Methoxy-2-propyl acetate 3~15
Butanols 1~10
Dimethylbenzene 1~15
The B component comprises the following composition according to the weight part meter:
The amine value is 180~210 cashew nut shell modified phenolic amine hardeners 25~40
The amine value is 220~270 cashew nut shell modified phenolic amine hardeners 25~40
Dimethylbenzene 5~20
Butanols 5~20
Trimethylbenzene 5~20.
2. two-pack Chrome-free epoxy anticorrosion primer according to claim 1, wherein said bisphenol A epoxide resin are that molecular weight is that 850~1050 middle molecular weight bisphenol A epoxide resin 601 and molecular weight are 300~417 liquid bisphenol A epoxide resin 618.
3. to be that NX-513, Epodil 748, Changshu of Ka Delai company is good send out the JX-015 of company limited or the KB-62 of chemical industry company limited of Zhangjiagang card nation chemical for two-pack Chrome-free epoxy anticorrosion primer according to claim 1 and 2, wherein said reactive thinner.
4. two-pack Chrome-free epoxy anticorrosion primer according to claim 1, wherein said tinting pigment adopts titanium dioxide, the organic yellow ultramarine that does not contain chromium or phthalocyanine blue pigment.
5. two-pack Chrome-free epoxy anticorrosion primer according to claim 4, wherein said titanium dioxide is a Rutile type Titanium Dioxide.
6. two-pack Chrome-free epoxy anticorrosion primer according to claim 1, wherein said rust-stabilising pigment are the SRPP of aluminium triphosphate, zinc phosphate, Heubach company or the 465M of Pigmentan company.
7. two-pack Chrome-free epoxy anticorrosion primer according to claim 1, wherein said adhesion promoter are that AP3000, the moral of Canadian Canfair Technologies is modest 1121, Degussa LTW or KH560 silane coupling agent.
8. two-pack Chrome-free epoxy anticorrosion primer according to claim 1, wherein said anti-heavy sag prevention auxiliary agent is organobentonite, aerosil or modified urea solution.
9. two-pack Chrome-free epoxy anticorrosion primer according to claim 8, wherein said modified urea solution is BYK-410.
10. two-pack Chrome-free epoxy anticorrosion primer according to claim 1, wherein said amine value are that 180~210 cashew nut shell modified phenolic amine hardener is MD2015, MD2015C or the MD2041 of Ka Delai NX-2015, Ka Delai NX-2015A or Shanghai Meidong Biological Material Co., Ltd; Described amine value is that 220~270 cashew nut shell modified phenolic amine hardener is the YJC-301 or the YJC-102 of Ka Delai NX-2041, Jinan Yun Jia chemical industry company limited.
11. the preparation method of each described two-pack Chrome-free epoxy anticorrosion primer among the claim 1-10 may further comprise the steps:
(1) formulation components A
At first prepare mill base: bisphenol A epoxide resin and reactive thinner, dispersion agent, anti-heavy sag prevention auxiliary agent, the mixed solvent of part among the component A are added the mix jar and be uniformly dispersed, add pigment and filler again, stirring stirs evenly, add in the sand mill, it is qualified to be ground to fineness, filters, standby;
Mill base that this is ground adds paint mixing tank, adds remaining composition among the component A, stir, after viscosimetric reaches 80~120 seconds, filter, pack component A;
(2) formulation components B
Press formula ratio and successively each composition of B component is added in the container, stir, filter, be packaged to be B component;
(3) A component and the B component weight ratio according to 5: 1 is mixed before using, adopt Airless spraying or conventional aerial spraying or brush application.
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