CN102477247B - Polyester resin bottom powder as well as lamp coated by same and coating method thereof - Google Patents
Polyester resin bottom powder as well as lamp coated by same and coating method thereof Download PDFInfo
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- CN102477247B CN102477247B CN 201010575468 CN201010575468A CN102477247B CN 102477247 B CN102477247 B CN 102477247B CN 201010575468 CN201010575468 CN 201010575468 CN 201010575468 A CN201010575468 A CN 201010575468A CN 102477247 B CN102477247 B CN 102477247B
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Abstract
The invention discloses polyester resin bottom powder as well as a lamp coated by the same and a coating method thereof. The polyester resin bottom powder comprises the following components in percentage by weight: 54-63.2% of fluorocarbon carboxyl saturated polyester resin, 4-6% of epoxy acrylic resin, 4-6% of curing agent, 1.8-2.2% of auxiliary agent, 10.8-13.2% of titanium dioxide, 2.7-3.3% of carbon powder and 13.5-16.5% of filler. An ultraviolet-resistant anti-corrosion coating comprises a polyester resin bottom powder layer with the thickness of 120-280 microns and an ultraviolet-resistant finish layer with the thickness of 20-40 microns. After the outer surface of the lamp is pre-treated, the bottom powder and the finish are sequentially coated. The polyester resin bottom powder disclosed by the invention is tightly combined with the outer surface of the lamp and has the advantages of good adhesive force and good chemical corrosion resistant performance. Furthermore, an ultraviolet-resistant paint in the coating can be used for preventing the bottom powder from being radiated by ultraviolet rays and the coating has waterproof and dustproof functions.
Description
Technical field
The present invention relates to field of metal surface treatment technology, relate in particular to powder at the bottom of a kind of vibrin, apply light fixture and the coating method of powder at the bottom of above-mentioned vibrin.
Background technology
Border light on offshore oil platform helideck, because installation site is higher, and often strong in sunshine, sea wind large, under the mal-condition of sea fog seriously corroded etc., after general lamp installation, all be difficult to reach the working life of regulation.In order to make light fixture reach specified requirement, generally lamp surface is carried out to the coating processing in illuminating industry, so that it is protected.
At present, light fixture (for example aluminum alloy materials light fixture) the surfacecti proteon treatment technology generally adopted mainly contains two kinds: a kind of is to adopt electrostatic epoxy polyester molding powder coating processes to form coating at the light fixture outside surface, then places it in the heating room and heats.Although the coating coating quality that the method obtains is also better, it is difficult to resist marine atmosphere district salinity, the corrosion of especially marine salt fog, the penetrating power extreme difference of anti-CL-ion.In addition, coat-thickness is also inadequate, and the UV resistant validity period is short, the UV resistant performance is very poor.Another kind is in the situation that large-scale electrolytic plating pool is arranged, the whole lamp of batch is carried out Study on Electrodeposition of Nickel Chromium Alloys and weighs protective coating at the surface-coated zinc-base, this method can effectively be resisted general maritime environment atmosphere and corrode, but input cost is very high, complex procedures, production efficiency are lower, and cause serious environmental pollution while electroplating.
Summary of the invention
The technical problem to be solved in the present invention is, powder at the bottom of the vibrin that for the poor defect of light fixture external surface coating the resistance of concrete to chloride ion penetration in prior art, provide a kind of and be combined firmly with the light fixture outside surface, the impermeabilisation ability is strong.
The technical problem that the present invention further will solve is, poor for electrostatic epoxy polyester molding powder coating processes floating coat the resistance of concrete to chloride ion penetration, the UV resistant performance is poor and the heavy protective coating technique of nichrome zinc-base becomes the defects such as high, complex procedures, provide a kind of light fixture that is coated with powder at the bottom of above-mentioned vibrin, the characteristics such as it has, and salt spray corrosion resistance is good, the UV resistant performance is good, cost is low, simple to operate, environmental protection.
The technical problem that the present invention also will solve is, a kind of coating method of light fixture outside surface uvioresistant erosion shield also is provided.
According to one aspect of the present invention, powder at the bottom of a kind of vibrin is provided, comprise the component of following weight per-cent:
Fluorine carbon carboxyl saturated polyester resin 54～63.2%
Epoxy group(ing) acrylic resin 4～6%
Solidifying agent 4～6%
Auxiliary agent 1.8～2.2%
Titanium dioxide 10.8～13.2%
Carbon dust 2.7～3.3%
Weighting material 13.5～16.5%.
At the bottom of above-mentioned vibrin, in powder, preferably, described solidifying agent is isocyanuric acid three-glycidyl ester.In addition, described auxiliary agent is tetrafluoroethylene, and described weighting material is titanium dioxide.
According to the present invention on the other hand, a kind of light fixture is provided, be coated with the uvioresistant erosion shield at this light fixture outside surface, the finish paint with uvioresistant effect on bisque surface at the bottom of this uvioresistant erosion shield comprises bisque at the bottom of vibrin and is arranged on vibrin, at the bottom of described vibrin, bisque is powder at the bottom of above-mentioned vibrin.Wherein, at the bottom of this vibrin, the bed thickness of bisque is 120～280 μ m, and described finish paint bed thickness is 20～40 μ m.
According to another aspect of the invention, a kind of coating method of light fixture outside surface uvioresistant erosion shield is provided, comprise the following steps:
Pre-treatment step: the light fixture cleaning of outer surface is clean, and sanding;
The first coating step: powder at the bottom of above-mentioned vibrin is coated to the light fixture outside surface, dries;
The second coating step: anti-ultraviolet finish paint is coated to bisque surface at the bottom of described vibrin, dries.
In above-mentioned coating method, preferably, in described the first coating step, at the bottom of described vibrin bisque thick be 120～280 μ m; In described the second coating step, described finish paint bed thickness is 20～40 μ m.
In above-mentioned coating method, preferably, in described the first coating step and/or the second coating step, be applied to spraying, brushing or roller coat.
In above-mentioned coating method, in described the first coating step, bake out temperature is 180～220 ℃, and in described the second coating step, bake out temperature is 70～100 ℃.
Powder at the bottom of vibrin of the present invention, adopt fluorine carbon carboxyl saturated polyester resin affixture system, group with stronger attachment activity, can drive various gas and moisture in the substrate surface micropore, and occupy these micropores, by Van der Waals force and surface adsorption effect, with the base material mortise, thereby overcome the shortcoming of priming paint and base material poor adhesive force in existing application system.And at the bottom of vibrin of the present invention, powder has resist chemical performance preferably.
Light fixture of the present invention; its outside surface is coated with the uvioresistant erosion shield; this uvioresistant erosion shield comprises powder and finish paint at the bottom of above-mentioned vibrin; finish paint adopts the paint with anti-ultraviolet function; it can protect the end powder of previous coating to avoid ultraviolet radiation, also has waterproof and dustproof effect simultaneously.
In addition, the above-mentioned uvioresistant erosion shield applied at the light fixture outside surface, do not used the poisonous elements such as heavy metal and sulphur phosphorus, has the characteristics of environmental protection.
The coating method of light fixture outside surface uvioresistant erosion shield of the present invention, have the characteristics such as technique is simple, easy to operate, cost is low, and the coating obtained has resist chemical performance and UV resistant performance preferably.
Embodiment
The protection against corrosion of metal is all that the etching problem of the metal light fixture outside surface in a difficult problem, particularly ocean environment is particularly serious all the time.The light fixture of powder at the bottom of the invention provides powder at the bottom of a kind of vibrin and applying this vibrin, can solve the etching problem of the metal light fixture such as aluminium alloy preferably.
In the present invention, at the bottom of vibrin, powder is fluorine carbon carboxyl saturated polyester resin affixture system, by weight percentage, comprise 54～63.2% fluorine carbon carboxyl saturated polyester resin, 4～6% epoxy group(ing) acrylic resin, 4～6% solidifying agent, 1.8～2.2% auxiliary agent, 10.8～13.2% titanium dioxide, 2.7～3.3% carbon dust and 13.5～16.5% weighting material.This fluorine carbon carboxyl saturated polyester resin system is due to the group with stronger attachment activity, can combine closely by Van der Waals force and surface adsorption effect and metallic substrate surface.In addition, for aluminum alloy base material, this fluorine carbon carboxyl saturated polyester resin system can be driven gas and the moisture in its surface micropore, and occupies the position in these micropores, makes these gases and moisture can not affect the effect of mutually combining between base material and end powder.Therefore, the combination at the bottom of this vibrin between powder and base material is more firm, has resist chemical effect preferably simultaneously, makes the base material corrosion.
In above-mentioned fluorine carbon carboxyl saturated polyester resin system, solidifying agent is preferably used triglycidyl isocyanurate.Auxiliary agent is a kind of promoting agent, and its composition is tetrafluoroethylene (PTFE), plays the effect of surperficial levelling, enhancing sticking power.When reality is used, in order to bring into play to greatest extent the effect of auxiliary agent, for the technology of this area, it is evident that, can in auxiliary agent, add suitable auxiliary material.This auxiliary agent existing commercial product on market that is added with auxiliary material, for example Bayer A.G produces
in addition, the composition of weighting material is titanium dioxide, play filling effect, and the coating that it is formed on substrate surface is opaque.Be similar to auxiliary agent, when reality is used, in titanium dioxide, also can suitably add other components, and this titanium dioxide that is added with other component also has commercial product, for example the CR828 titanium dioxide of Australia Ke Meiqi company on market.
The present invention also provides a kind of light fixture, at this light fixture outside surface, is coated with the uvioresistant erosion shield, and this uvioresistant erosion shield comprises end bisque and is arranged on the finish paint with uvioresistant effect on bisque surface, the end.Wherein, end bisque adopts powder at the bottom of above-mentioned vibrin, and as the ultimate constituent in powder at the bottom of vibrin, fluorine carbon carboxyl saturated polyester resin for example can be used the WF-TFC of Wuxi Huambo painting company limited.Finish paint can adopt uvioresistant varnish, and for example marine rainbow old man uvioresistant varnish 06520.
At this light fixture outside surface, apply in the double-deck uvioresistant corrosion proof coating system formed, at the bottom of vibrin bisque thick be 120～280 μ m, the finish paint bed thickness is 20～40 μ m, total thickness is 140～320 μ m.In addition, preferably, at the bottom of vibrin, the bed thickness of powder is 160～240 μ m.
This dual uvioresistant erosion shield; using powder at the bottom of above-mentioned vibrin as end powder; after the formation of light fixture outside surface is combined closely; form again one deck top coat layer on bisque at the bottom of vibrin; the end powder applied before not only having protected is avoided ultraviolet radiation, but also has waterproof and dustproof effect.In addition, in the uvioresistant erosion shield that this light fixture outside surface applies, do not use the poisonous elements such as heavy metal, sulphur, phosphorus, can be to environment.
Below the coating method of light fixture outside surface uvioresistant erosion shield of the present invention is made an explanation.This coating method comprises pre-treatment step, the first coating step and the second coating step.Wherein:
Pre-treatment step: the light fixture cleaning of outer surface of the metallic substance such as aluminium alloy is clean, to remove top grease and impurity etc., then by light fixture outside surface sanding to Sa2.5～3.0 grade.
The first coating step: adopt powder at the bottom of above-mentioned vibrin, it is coated to and cleans up and light fixture outside surface that sanding is crossed, and dry under suitable temp.
Preferably, at first utilize thinner by vibrin at the bottom of powder be diluted to after diluent and be coated to again substrate surface, thinner can be for example other thinner commonly used in Tianna solution or this area.Concrete coating method is such as selecting spraying, brushing or roller coat etc.In addition, in drying course, bake out temperature is preferably 180～220 ℃, most preferably is 200 ℃.
The second coating step: by anti-ultraviolet finish paint, for example uvioresistant varnish is coated at the bottom of the vibrin formed in the first coating step on bisque, dries.
Similarly, in this second coating step, concrete coating step, as in the first coating step, can be also methods such as spraying, brushing or roller coat.In addition, in the drying course of this step, bake out temperature is preferably 70～100 ℃, most preferably is 80 ℃.
Preferably, in described the first coating step, at the bottom of described vibrin bisque thick be 120～280 μ m; In described the second coating step, described finish paint bed thickness is 20～40 μ m.The total thickness of the double-deck uvioresistant erosion shield so, finally formed can reach 140～320 μ m.
Above-mentioned coating method technique is simple, easy handling and with low cost, and does not relate to the use of poisonous element, environmental sound in coating procedure.In addition, the coating of formation is combined closely with the light fixture outside surface, not only can resist the infiltration of chlorion in sea fog, avoids corrosion, and has ultraviolet resistance performance preferably.
At the bottom of vibrin of the present invention, powder and coating system not only can be applied to aluminium alloy light fixture outside surface, also can be applied to the light fixture or the electric installation surface that form such as other metallic substance such as iron and steel.
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Powder at the bottom of a kind of vibrin, comprise 58.5% fluorine carbon carboxyl saturated polyester resin, 5% epoxy group(ing) acrylic resin, 5% isocyanuric acid three-glycidyl ester, 2.0% auxiliary agent, 12.0% titanium dioxide, 3.0% carbon dust and 14.5% the weighting material of (weight percent, lower with).
Embodiment 2
Powder at the bottom of a kind of vibrin, comprise 54% fluorine carbon carboxyl saturated polyester resin, 6% epoxy group(ing) acrylic resin, 6% isocyanuric acid three-glycidyl ester, 1.8% auxiliary agent, 13.2% titanium dioxide, 3.3% carbon dust and 15.7% weighting material.
Embodiment 3
Powder at the bottom of a kind of vibrin, comprise 62.8% fluorine carbon carboxyl saturated polyester resin, 4% epoxy group(ing) acrylic resin, 4% isocyanuric acid three-glycidyl ester, 2.2% auxiliary agent, 10.8% titanium dioxide, 2.7% carbon dust and 13.5% weighting material.
Embodiment 4
The light fixture of aluminum alloy materials is carried out to pre-treatment, clean up and sanding after, successively adopt powder and uvioresistant varnish at the bottom of the vibrin of embodiment 1 to apply at lamp surface, wherein, at the bottom of vibrin, the bake out temperature of bisque is 200 ℃, and the bake out temperature of uvioresistant clear coat is 80 ℃.
In coating, at the bottom of vibrin bisque thick be 200 μ m, uvioresistant varnish bed thickness 30 μ m, total thickness is 230 μ m.
With electrostatic epoxy polyester molding powder coating processes, the aluminium alloy light fixture is applied, and contrasted with the result of the present embodiment, its result is as shown in the table:
Annotate: the indices operative norm is relevant GB (GB)
As can be seen from the above table, marine uvioresistant erosion shield of the present invention all has preferably result in many aspects, particularly salt fog resistance and artificial ageing resistance aspect, not only salt spray resistance promotes greatly, and has preferably anti-ultraviolet property (artificial ageing resistance).
Embodiment 5
The light fixture of aluminum alloy materials is carried out to pre-treatment, clean up and sanding after, successively adopt powder and uvioresistant varnish at the bottom of the vibrin of embodiment 2 to apply at lamp surface, wherein, at the bottom of vibrin, the bake out temperature of bisque is 180 ℃, and the bake out temperature of uvioresistant clear coat is 70 ℃.
In coating, at the bottom of vibrin bisque thick be 120 μ m, uvioresistant varnish bed thickness 40 μ m, total thickness is 160 μ m.
In the present embodiment, assay is substantially the same manner as Example 4, therefore do not repeat them here.
Embodiment 6
The light fixture of aluminum alloy materials is carried out to pre-treatment, clean up and sanding after, successively adopt powder and uvioresistant varnish at the bottom of the vibrin of embodiment 3 to apply at lamp surface, wherein, at the bottom of vibrin, the bake out temperature of bisque is 220 ℃, and the bake out temperature of uvioresistant clear coat is 100 ℃.
In coating, at the bottom of vibrin bisque thick be 280 μ m, uvioresistant varnish bed thickness 20 μ m, total thickness is 300 μ m.
In the present embodiment, assay is substantially the same manner as Example 4, therefore do not repeat them here.
The foregoing is only representative embodiment of the present invention, do not limit the present invention in any way, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace or improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. powder at the bottom of a vibrin, is characterized in that, at the bottom of described vibrin, powder comprises following weight per-cent component:
Fluorine carbon carboxyl saturated polyester resin 54～63.2%
Epoxy group(ing) acrylic resin 4～6%
Isocyanuric acid three-glycidyl ester 4～6%
Tetrafluoroethylene 1.8～2.2%
Titanium dioxide 10.8～13.2%
Carbon dust 2.7～3.3%
Titanium dioxide 13.5～16.5%.
2. a light fixture, is characterized in that, at described light fixture outside surface, is coated with the uvioresistant erosion shield, the finish paint with uvioresistant effect on bisque surface at the bottom of this uvioresistant erosion shield comprises bisque at the bottom of vibrin and is arranged on vibrin; At the bottom of described vibrin, bisque is powder at the bottom of vibrin claimed in claim 1.
3. light fixture according to claim 2, is characterized in that, at the bottom of described vibrin bisque thick be 120～280 μ m; Described finish paint bed thickness is 20～40 μ m.
4. the coating method of a light fixture outside surface uvioresistant erosion shield, is characterized in that, comprises the following steps:
Pre-treatment step: the light fixture cleaning of outer surface is clean, and sanding;
The first coating step: powder at the bottom of vibrin claimed in claim 1 is coated to the light fixture outside surface, dries;
The second coating step: anti-ultraviolet finish paint is coated to bisque surface at the bottom of described vibrin, dries.
5. coating method according to claim 4, is characterized in that, in described the first coating step, at the bottom of described vibrin bisque thick be 120～280 μ m; In described the second coating step, described finish paint bed thickness is 20～40 μ m.
6. according to the described coating method of claim 4 or 5, it is characterized in that, in described the first coating step and/or the second coating step, be applied to spraying, brushing or roller coat.
7. coating method according to claim 4, is characterized in that, in described the first coating step, bake out temperature is 180～220 ℃, and in described the second coating step, bake out temperature is 70～100 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010575468 CN102477247B (en) | 2010-11-24 | 2010-11-24 | Polyester resin bottom powder as well as lamp coated by same and coating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575468 CN102477247B (en) | 2010-11-24 | 2010-11-24 | Polyester resin bottom powder as well as lamp coated by same and coating method thereof |
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| Publication Number | Publication Date |
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| CN102477247A CN102477247A (en) | 2012-05-30 |
| CN102477247B true CN102477247B (en) | 2013-12-18 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1461783A (en) * | 2002-05-29 | 2003-12-17 | 广州电器科学研究院 | Powdered paint |
| CN101139434A (en) * | 2007-09-30 | 2008-03-12 | 大连理工大学 | Fluorinated polyesters with low surface energy and preparation method thereof |
| CN101760114A (en) * | 2010-01-27 | 2010-06-30 | 海洋王照明科技股份有限公司 | Antiseptic powder coating, manufacturing method and applying method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2734064B2 (en) * | 1989-03-06 | 1998-03-30 | 大日本インキ化学工業株式会社 | Resin composition for powder coating |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1461783A (en) * | 2002-05-29 | 2003-12-17 | 广州电器科学研究院 | Powdered paint |
| CN101139434A (en) * | 2007-09-30 | 2008-03-12 | 大连理工大学 | Fluorinated polyesters with low surface energy and preparation method thereof |
| CN101760114A (en) * | 2010-01-27 | 2010-06-30 | 海洋王照明科技股份有限公司 | Antiseptic powder coating, manufacturing method and applying method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP平2-232270A 1990.09.14 |
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