CN203994975U - A kind of long-lasting protection composite coating - Google Patents
A kind of long-lasting protection composite coating Download PDFInfo
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- CN203994975U CN203994975U CN201420277770.6U CN201420277770U CN203994975U CN 203994975 U CN203994975 U CN 203994975U CN 201420277770 U CN201420277770 U CN 201420277770U CN 203994975 U CN203994975 U CN 203994975U
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Abstract
The utility model relates to protective coating technical field, relates in particular to a kind of long-lasting protection composite coating, comprises zinc powder priming coat, and the surface of zinc powder priming coat is disposed with polyurethane floating coat, anti-variable color finishing coat and overcoat layer.Long-lasting protection composite coating of the present utility model is applicable to the surfacecti proteon of steel bin, and steel construction base material is had to overlength protective value.Testing result shows, the resistance to neutral salt spray test time of this long-lasting protection composite coating exceedes 2000h, and coating is after accelerated aging test more than 2000h, and coating is without bubbling, without cracking, slight without delamination, variable color.When the steel bin that is covered with this long-lasting protection composite coating uses in friendly environment, its protection life-span can reach 30 years.This long-lasting protection composite coating can be applied to much protection of indoor, outdoor steel structure, applied range, and protection effect excellence, is conducive to strengthen the added value of product of steel bin.
Description
Technical field
The utility model relates to protective coating technical field, relates in particular to a kind of long-lasting protection composite coating.
Background technology
Along with the fast development of economic construction, structure of steel product is also widely used in electric power, communication, building, bridge, communications and transportation, water conservancy projects, the every field such as civilian; But the failure damage of structure of steel product has caused huge loss and harm to national economy and the people's life, the protected working of therefore carrying out structure of steel product also seems particularly important.The industry such as electric power, communication is used steel bin in a large number, the structure of steel product of these equipment can adopt coating to protect, in order to reduce the maintenance of these devices and to extend their service life, the coating that the structure of steel product of these equipment uses requires anticorrosion, anti-variable color, Anti-scratching, anti-pollution.
At present, a lot of work has been done for the coating antiseptic erosion of Large Area Steel equipment structure by China, such as with the higher coating of a kind of zincilate amount as protective coating.The patent No. is that 96116863 patent of invention is carried out anti-corrosion protection with the zinc silicate anti-corrosive paint of two components to steel constructions such as vehicle, boats and ships, buildings with regard to putting forward; Further, form a kind of protective coating by priming paint and sealing finish paint.The patent of invention that is 98112987.0 as number of patent application has just proposed as sealing finish paint is used as a kind of protective coating, structure of steel product to be carried out to protection with the priming paint that contains the compositions such as epoxy resin, polyurethane, slaking zinc slurry with taking epoxy resin; Also have other to comprise the safeguard procedures that steel structure surface is processed, the protection of steel construction and protection are all played a role.These painting anticorrosion systems also expose some shortcomings.Adopt two-layer version, while particularly using epoxy as seal coat, use out of doors after a period of time; top layer epoxy resin easy-weathering; cause surperficial enamelled coating to come off gradually, and then make bottom rust preventive coating depart from matrix and cannot protecting steel, the protection life-span is shorter.In commercial Application, also there are many employing zinc rich primers to add the composite coating of acrylic acid top-coat or fluorine carbon finishing paint.They have good antiseptic property and ageing-resistant performance, but integrated protection performance is not strong, and the protection life-span is generally lower than 10 years.
The structure of steel product of the steel bin that the industry such as electric power, communication is used also generally adopts coating protection, but the main coating using is powder spray coating at present, such coating has the advantages that construction is simple, hardness is higher, but its barrier propterty is poor, the not strong and easy variable color of anti-corrosion capability, can not realize the requirement of long-lasting protection (as 20-30).Reasonably combined by different coating, actually rare to realize the application example of long-lasting protection of bin structure of steel product.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of long-lasting protection composite coating is provided, and it is applicable to the surfacecti proteon of steel bin, can reach the requirement of long-lasting protection, and protection effect excellence is conducive to strengthen the added value of product of steel bin.
The utility model is achieved through the following technical solutions.
A kind of long-lasting protection composite coating, comprise zinc powder priming coat, the surface of zinc powder priming coat is disposed with polyurethane floating coat, anti-variable color finishing coat and overcoat layer, and the thickness of described zinc powder priming coat is 80-120 μ m, and the thickness of described polyurethane floating coat is 40-60 μ m; The thickness of described anti-variable color finishing coat is 60-80 μ m, and the thickness of described overcoat layer is 20-40 μ m.
Wherein, the upper surface of described polyurethane floating coat is provided with several grooves, and the position of the lower surface respective slot of described anti-variable color finishing coat offers the lug boss matching, and the roughness of the lower surface of anti-variable color finishing coat is 2.5-3.5 μ m.
Wherein, described long-lasting protection composite coating also includes substrate layer, and described zinc powder primer-layer-coated is in the surface of substrate layer.
Wherein, the surface of described substrate layer is provided with sandblast layer, and described zinc powder priming coat is arranged at the surface of described sandblast layer.
Wherein, the surface of described substrate layer is provided with phosphate coating, and described zinc powder priming coat is arranged at the surface of described phosphate coating.
Wherein, the surface of described substrate layer is provided with passivation layer, and described zinc powder priming coat is arranged at the surface of described passivation layer.
Wherein, the surface of described substrate layer is provided with anti-corrosive primer layer, and described zinc powder priming coat is arranged at the surface of described anti-corrosive primer layer.
Wherein, the surface of described overcoat layer is provided with patterned layer.
The beneficial effects of the utility model are: long-lasting protection composite coating of the present utility model is applicable to the surfacecti proteon of steel bin, and steel construction base material is had to overlength protective value.Testing result shows, the resistance to neutral salt spray test time of this long-lasting protection composite coating exceedes 2000h, and coating is after accelerated aging test more than 2000h, and coating is without bubbling, without cracking, slight without delamination, variable color.When the steel bin that is covered with this long-lasting protection composite coating uses in friendly environment, its protection life-span can reach 30 years.This long-lasting protection composite coating can be applied to much protection of indoor, outdoor steel structure, applied range, and protection effect excellence, is conducive to strengthen the added value of product of steel bin.
Brief description of the drawings
The utility model is described in further detail to utilize accompanying drawing, but embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is the cross-sectional view of embodiment 1 of the present utility model.
Fig. 2 is the cross-sectional view of embodiment 2 of the present utility model.
Fig. 3 is the cross-sectional view of embodiment 3 of the present utility model.
Fig. 4 is the cross-sectional view of embodiment 4 of the present utility model.
Fig. 5 is the cross-sectional view of embodiment 5 of the present utility model.
In Fig. 1-5, include:
1---zinc powder priming coat 2---polyurethane floating coat
3---anti-variable color finishing coat 4---overcoat layer
5---substrate layer 51---sandblast layer
52---phosphate coating 53---passivation layer
54---anti-corrosive primer layer 6---patterned layer.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described.
embodiment 1.
As shown in Figure 1, a kind of long-lasting protection composite coating of the present embodiment, comprises zinc powder priming coat 1, and the surface of zinc powder priming coat 1 is disposed with polyurethane floating coat 2, anti-variable color finishing coat 3 and overcoat layer 4.
Zinc powder on zinc powder priming coat 1 plays cathodic protection effect to steel construction base material, and oxidized zinc powder forms zinc oxide or zinc hydroxide persists in zinc powder priming coat 1 as a kind of filler.Polyurethane floating coat 2 has played a good closed protective performance to zinc powder priming coat 1, effectively suppressed zinc powder priming coat 1 dry linting, be left out.Anti-variable color finishing coat 3 is finishing coats of fluorine silica acrylic acid polyurethane material, has anti-variable color and anti-aging functional component, and physical and mechanical properties is good, strong adhesion.Overcoat layer 4 is the overcoat layer 4 of fluorinated silicone modified acroleic acid polyurethane material or the overcoat layer 4 of fluorine-containing polyurethane material, there is excellent ageing resistace, can stop the destruction of the extraneous unfavorable factor such as moisture, oxygen to coating, simultaneously, hardness of film is large, anti-scratch.Preferably, the surface of overcoat layer 4 is tangerine line shape, and the roughness of the lower surface of overcoat layer 4 is 10-20 μ m, and decorate properties is good, is conducive to improve the added value of product of steel bin.
Fluorine silica acrylic acid polyurethane material is synthetic synthesis of polysiloxane-polyurethane block copolymer taking polysiloxanes as soft chain segment, improves the performances such as water-fast, corrosion resistant; Shell portion raw material comprises fluoro-acrylate monomer, gives the fabulous UV resistant of film and nuclear radiation, pliability and good wear-resisting, durability.Material compatibility is good, and normal temperature self-drying is nonpoisonous and tasteless, low VOC, and film adhesive is strong, is widely used in the fields such as large-scale steel structure, bridge, boats and ships.
When fluorine-containing polyurethane material film forming, produce larger orientation effect; fluorine-containing group stretches to air/polymer interface; polymer interior molecules is formed to good protective effect; make polymer have higher antiseptic property and thermally-stabilised energy, the fluorine-containing polyurethane material that fluoroacrylic resin makes has excellent weather resistance, decay resistance and mechanical and physical performance.
Long-lasting protection composite coating of the present utility model is applicable to the surfacecti proteon of steel bin, and steel construction base material is had to overlength protective value.Testing result shows, the resistance to neutral salt spray test time of this long-lasting protection composite coating exceedes 2000h, and coating is after accelerated aging test more than 2000h, and coating is without bubbling, without cracking, slight without delamination, variable color.When the steel bin that is covered with this long-lasting protection composite coating uses in friendly environment, its protection life-span can reach 30 years.This long-lasting protection composite coating can be applied to much protection of indoor, outdoor steel structure, applied range, and protection effect excellence, is conducive to strengthen the added value of product of steel bin.
The thickness of the zinc powder priming coat 1 of the present embodiment is 80-120 μ m, and the thickness of described polyurethane floating coat 2 is 40-60 μ m; The thickness of described anti-variable color finishing coat 3 is 60-80 μ m, and the thickness of described overcoat layer 4 is 20-40 μ m.Preferably, the thickness of described zinc powder priming coat 1 is 100 μ m, and the thickness of described polyurethane floating coat 2 is 50 μ m; The thickness of described anti-variable color finishing coat 3 is 70 μ m, and the thickness of described overcoat layer 4 is 30 μ m, guarantees that the thickness of the long-lasting protection composite coating making is moderate, is conducive to saving color cost when can playing long-lasting protection effect to steel substrate.
In the present embodiment, the upper surface of described polyurethane floating coat is provided with several grooves, and the position of the lower surface respective slot of described anti-variable color finishing coat offers the lug boss matching, and the roughness of the lower surface of anti-variable color finishing coat is 2.5-3.5 μ m.
At the upper surface of polyurethane floating coat, several grooves (not marking in figure) are set, and offer in the position of the lower surface respective slot of anti-variable color finishing coat the lug boss (not marking in figure) matching, while being coated with anti-variable color finishing coat, coating infiltrates in the groove of polyurethane floating coat, after coating solidification, form lug boss, polyurethane floating coat and anti-variable color finishing coat are fixedly linked, therefore, adhesion is more firm, reliably, but also can be by the dark wide and density of adjusting grooves, freely adjust the size of peeling force between polyurethane floating coat and anti-variable color finishing coat, practical.For making the utility model reach best result of use, the roughness of the lower surface of anti-variable color finishing coat is 3 μ m.
The long-lasting protection composite coating of the present embodiment also includes substrate layer 5, and described zinc powder priming coat 1 is coated on the surface of substrate layer 5, simple in structure, good to the protection effect of substrate layer 5.Particularly, substrate layer 5 is laminar steel substrate layer, and the thickness of substrate layer 5 is 0.1-2cm.
The surface of the overcoat layer 4 of the present embodiment is provided with patterned layer 6, is conducive to strengthen the decorative effect of overcoat layer 4, and production firm can design patterned layer 6 according to user's demand, further improving product added value.
embodiment 2.
As shown in Figure 2, the difference of the present embodiment and embodiment 1 is: the surface of the substrate layer 5 of the present embodiment is provided with sandblast layer 51, and described zinc powder priming coat 1 is arranged at the surface of described sandblast layer 51.Particularly, substrate layer 5 is steel substrate layer, and the thickness of substrate layer 5 is 1mm, blasting treatment is carried out in the surface of substrate layer 5 and form sandblast layer 51, the thickness of sandblast layer 51 is 10 μ m, is conducive to improve adhesive force and the barrier propterty of zinc powder priming coat 1 to substrate layer 5, and practicality is good.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
embodiment 3.
As shown in Figure 3, the difference of the present embodiment and embodiment 1 is: the surface of the substrate layer 5 of the present embodiment is provided with phosphate coating 52, and described zinc powder priming coat 1 is arranged at the surface of described phosphate coating 52.Particularly, substrate layer 5 is steel substrate layer, and the thickness of substrate layer 5 is 2mm, phosphatization is carried out in the surface of substrate layer 5 and process formation phosphate coating 52, the thickness of phosphate coating 52 is 15 μ m, is conducive to improve adhesive force and the barrier propterty of zinc powder priming coat 1 to substrate layer 5, and practicality is good.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
embodiment 4.
As shown in Figure 4, the difference of the present embodiment and embodiment 1 is: the surface of the substrate layer 5 of the present embodiment is provided with passivation layer 53, and described zinc powder priming coat 1 is arranged at the surface of described passivation layer 53.Particularly, substrate layer 5 is steel substrate layer, and the thickness of substrate layer 5 is 1cm, Passivation Treatment is carried out in the surface of substrate layer 5 and form passivation layer 53, the thickness of passivation layer 53 is 20 μ m, is conducive to improve adhesive force and the antifouling property of zinc powder priming coat 1 to substrate layer 5, and practicality is good.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
embodiment 5.
As shown in Figure 5, the difference of the present embodiment and embodiment 1 is: the surface of the substrate layer 5 of the present embodiment is provided with anti-corrosive primer layer 54, and described zinc powder priming coat 1 is arranged at the surface of described anti-corrosive primer layer 54.Particularly, substrate layer 5 is steel substrate layer, and the thickness of substrate layer 5 is 5cm, sprayed paint to process in the surface of substrate layer 5 and form anti-corrosive primer layer 54, the thickness of anti-corrosive primer layer 54 is 25 μ m, is conducive to improve adhesive force and the rustless property of zinc powder priming coat 1 to substrate layer 5, and practicality is good.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
The above embodiment, it is preferred embodiments of the present utility model, be not to limit the utility model practical range, the equivalence of doing according to structure, feature and principle described in the utility model claim therefore all changes or modifies, and all should comprise in the utility model patent claim.
Claims (8)
1. a long-lasting protection composite coating, it is characterized in that: comprise zinc powder priming coat, the surface of zinc powder priming coat is disposed with polyurethane floating coat, anti-variable color finishing coat and overcoat layer, and the thickness of described zinc powder priming coat is 80-120 μ m, and the thickness of described polyurethane floating coat is 40-60 μ m; The thickness of described anti-variable color finishing coat is 60-80 μ m, and the thickness of described overcoat layer is 20-40 μ m.
2. a kind of long-lasting protection composite coating according to claim 1, it is characterized in that: the upper surface of described polyurethane floating coat is provided with several grooves, the position of the lower surface respective slot of described anti-variable color finishing coat offers the lug boss matching, and the roughness of the lower surface of anti-variable color finishing coat is 2.5-3.5 μ m.
3. a kind of long-lasting protection composite coating according to claim 1, is characterized in that: described long-lasting protection composite coating also includes substrate layer, described zinc powder primer-layer-coated is in the surface of substrate layer.
4. a kind of long-lasting protection composite coating according to claim 3, is characterized in that: the surface of described substrate layer is provided with sandblast layer, and described zinc powder priming coat is arranged at the surface of described sandblast layer.
5. a kind of long-lasting protection composite coating according to claim 3, is characterized in that: the surface of described substrate layer is provided with phosphate coating, and described zinc powder priming coat is arranged at the surface of described phosphate coating.
6. a kind of long-lasting protection composite coating according to claim 3, is characterized in that: the surface of described substrate layer is provided with passivation layer, and described zinc powder priming coat is arranged at the surface of described passivation layer.
7. a kind of long-lasting protection composite coating according to claim 3, is characterized in that: the surface of described substrate layer is provided with anti-corrosive primer layer, and described zinc powder priming coat is arranged at the surface of described anti-corrosive primer layer.
8. a kind of long-lasting protection composite coating according to claim 1, is characterized in that: the surface of described overcoat layer is provided with patterned layer.
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| CN201420277770.6U CN203994975U (en) | 2014-05-28 | 2014-05-28 | A kind of long-lasting protection composite coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624605A (en) * | 2016-03-18 | 2016-06-01 | 赤峰广圆电力铁塔制造有限公司 | Zinc grease anti-corrosion steel pipe rod and coating method thereof |
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2014
- 2014-05-28 CN CN201420277770.6U patent/CN203994975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624605A (en) * | 2016-03-18 | 2016-06-01 | 赤峰广圆电力铁塔制造有限公司 | Zinc grease anti-corrosion steel pipe rod and coating method thereof |
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Effective date of registration: 20170106 Address after: 516127 Shiwan City, Huizhou province Boluo County town of stone road, science and Technology Industrial Park Patentee after: Guangdong Power Technology Development Co., Ltd. Address before: Luan Gang village of Shiwan town in Guangdong province 516127 Huizhou city Boluo County Boluo County Shiwan low mountain beauty source coating Limited company Patentee before: Shi Wanmei source, Boluo County coating company limited |