CN103820010A - Glittering three-dimensional wood grain powder coating for aluminium profiles as well as preparation method and spraying technology of powder coating - Google Patents
Glittering three-dimensional wood grain powder coating for aluminium profiles as well as preparation method and spraying technology of powder coating Download PDFInfo
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- CN103820010A CN103820010A CN201410082992.7A CN201410082992A CN103820010A CN 103820010 A CN103820010 A CN 103820010A CN 201410082992 A CN201410082992 A CN 201410082992A CN 103820010 A CN103820010 A CN 103820010A
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Abstract
The invention discloses a glittering three-dimensional wood grain powder coating for aluminium profiles. The glittering three-dimensional wood grain powder coating comprises 98-99% of a powder coating and 1-2% of metal powder pigment, wherein the powder coating comprises saturated terminal carboxyl polyester resin A, saturated terminal carboxyl polyester resin B, a TGIC (triglycidyl isocyanurate) curing agent and the like. A preparation method of the glittering three-dimensional wood grain powder coating for the aluminium profiles comprises the steps as follows: firstly, the raw materials of the powder coating are premixed and then prepared into the powder coating through melt extrusion, tablet cooling, crushing, fine pulverization and sieving, the powder coating and the metal powder pigment are mixed in a bonded manner, and finally, a finished product is obtained through sieving. Formulas of high and low acid value resin are adopted, the metal powder pigment with the glittering effect is added, and a bonding technology and a dual-channel powder three-dimensional spraying and transfer technology are adopted, so that the decoration performance and the appearance of wood grain applied to workpieces are improved. A film of the coating glitters and has the colorful optical effect and the three-dimensional effect under the irradiation of light, so that the aesthetic experience is brought to people, and the cost performance of the aluminium profiles is improved.
Description
Technical field
The present invention relates to a kind of powder coating, particularly the spraying coating process of a kind of powder coating for aluminium section bar and preparation method thereof and this powder coating.
Background technology
Wood grain powder coating goods for aluminium section bar, be with weathering resistance powder coating after spraying application, film-forming, then process through overheated transfer technique with woodgrained paper.The wood grain effect of the nearly over one hundred kind of natural timbers such as its outward appearance and natural pear wood, sandalwood, teak is true to nature, gives the impression of natural beauty, is widely used in the fields such as building doors and windows, top ceiling, floor, furniture, office appliance.
Summary of the invention
The object of the invention is to, on existing wood grain powder coating basis, provide a kind of through the weather-proof metal powder pigment of surface treatment, in its preparation process, adopt nation to determine technology, with and spraying coating process in use the three-dimensional spraying of two pass powder, transfer printing, to promote the visual appearance of existing aluminium section bar wood grain powder coating and to improve the cost performance of powder coating and aluminium section bar.
In order to achieve the above object, the present invention adopts following technical scheme: flash of light stereo wood pattern powder coating for a kind of aluminium section bar, comprise the powder coating of 98-99% and the metal powder pigment of 1.0-2.0%, and described powder coating comprises following component:
This per-cent is weight ratio;
Wherein, described saturated terminal carboxyl polyester resin A acid number is 48-56mgKOH/g, and viscosity is 2600-3200mPas at 200 ℃; Described saturated terminal carboxyl polyester resin B acid number is 30-35mgKOH/g, and viscosity is 4600-5200mPas at 200 ℃.
As optimal technical scheme, flash of light stereo wood pattern powder coating for a kind of aluminium section bar, comprises the powder coating of 98-99% and the metal powder pigment of 1.0-2.0%, and described powder coating comprises following component:
This per-cent is weight ratio;
Described saturated terminal carboxyl polyester resin A acid number is 48-56mgKOH/g, and viscosity is 2600-3200mPas at 200 ℃; Described saturated terminal carboxyl polyester resin B acid number is 30-35mgKOH/g, and viscosity is 4600-5200mPas at 200 ℃.
In order to realize better the present invention, described flow agent is the homopolymer of butyl acrylate, and described brightening agent is the multipolymer of acrylate, and described transfer printing agent is isocyanic ester.
The preparation method of flash of light stereo wood pattern powder coating for above-mentioned aluminium section bar, comprises the following steps:
The first step, drops into pre-mixing in compounding jar by the starting material of described powder coating by its corresponding weight percent, and the time is 3-4 minute;
Second step, melt extrudes premixed starting material, compressing tablet, fragmentation;
The 3rd step, carries out Crushing of Ultrafine by broken material;
The 4th step, sieves fine material to be classified into powder coating;
The 5th step, above-mentioned powder coating and metal powder pigment, by following weight percent preparation flash of light stereo wood pattern powder coating, and are put into nation and determined mixing machine and carry out nation and surely mix:
Powder coating 98-99%
Metal powder pigment 1.0-2.0%
The 6th step, the material that above-mentioned nation is crossed surely sieves and is classified into flash of light stereo wood pattern powder coating.
Particularly, melt extruding in described second step, for premixed starting material being melt extruded with screw extrusion press, wherein, the temperature in forcing machine I district is 115 ℃-125 ℃, the temperature in forcing machine II district is 105 ℃-115 ℃.
Particularly, Crushing of Ultrafine in described the 3rd step, is 10-100 micron for being crushed to powder diameter with ACM mill.
Particularly, the screen sizing excessively in described the 4th step, is the rotating screen with 180 eye mesh screens, and fines is sieved into finished product powder coating.
The nation of described the 5th step determines batch mixing, for by the metal powder pigment of the powder coating of 98-99% and 1.0-2.0%, puts into nation and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 60 ℃-65 ℃, and the time is 2-4 minute.
Screen sizing excessively in described the 6th step, is the vibratory screening apparatus with 180 eye mesh screens, and fines is sieved to powdered product.
The spraying coating process that the present invention further provides a kind of this aluminium section bar flash of light stereo wood pattern powder coating, comprises the following steps:
(1) at aluminium shape surface spraying the first layer aluminium section bar flash of light stereo wood pattern powder coating;
(2) spray piece that completes the first layer spraying is toasted;
(3) on the first layer film basis, spray again one deck aluminium section bar flash of light stereo wood pattern powder coating;
(4) use surface on second layer powder coating, to extrude concave convex texture with the rubber coated pressure bowl of concave convex texture;
(5) spray piece that completes second layer spraying is toasted;
(6) cooling by completing spray piece after baking;
(7) coated transfer printing wood grain paper on cooled spray piece;
(8) carry out the transfer printing of wood grain film to being coated with the spray piece of transfer printing wood grain paper;
(9) carry out after transfer printing coolingly, then transfer printing wood grain paper is torn and obtained glistening stereo wood pattern film.
Compared with prior art, there is following unforeseeable technique effect:
1, employing acid number of the present invention is that 48-56mgKOH/g, viscosity are 2600-3200mPas(200 ℃) saturated terminal carboxyl polyester resin A and acid number be that 30-35mgKOH/g, viscosity are 4600-5200mPas(200 ℃) saturated terminal carboxyl polyester resin B, high acid value (48-56mgKOH/g) resin is due to many than low acid number of functional group, can give the cross-linking density that film is very large, and the characteristic of low-viscosity (2600-3200mPas) resin has guaranteed the levelling property of coating, make film meet the requirement of high-decoration; Low acid number (30-35mgKOH/g) resin reaction activity is low, has given powder coating good storage stability, and the quality guaranteed period is extended.
2, be used in conjunction with isocyanic ester as transfer printing agent simultaneously, because isocyanic ester R-N=C=O has two two keys of assorted accumulation, very active, very easily (comprise hydroxyl, carboxyl and H with other compounds
2o etc.) react, simultaneously itself can dimerization or trimerization, therefore contributes to further to improve coating cross-linking density, strengthen coatingsurface hardness, make film transfer paper after transfer printing be easy to come off, not sticky paper, and film coated surface is without vaporific, wood grain lines is clear, more true to nature.
3, wood grain powder coating of the present invention, owing to having added the metal powder pigment with flash effect, has promoted and has been coated with the ornamental and perception that is contained in wood grain on workpiece.This coating film, under the irradiation of light, dodges the bright and colourful optical effect that jumping, and not only gives beautiful enjoyment, has also increased the cost performance of aluminium section bar.
4 and preparation method of the present invention also possesses good effect, determine process in nation, powder particle at continuous heating direct to the second-order transition temperature Tg that approaches powder, at this temperature, powder particle surface starts to soften, determine under the effect of machine stirring rake in nation, softening powder particle mixes with metal powder pigment uniform particles and is effectively bonding.Each powder particle can bonding one or many metal powder pigment particles, so can't separate with powder particle at powder spraying process metal powder pigment, on the one hand, improve the powder utilization of metal powder pigment, improved the utilization ratio of metal powder pigment, the flash effect that has strengthened pigment, has reduced cost; On the other hand, in construction, the powder coating of excessive spraying can be recycled.Do not pass through the fixed powder of nation, due to powder particle and not bonding of metal powder pigment, and the two proportion, carried charge are inconsistent, also can separate with powder particle at powder spraying process metal powder pigment, in construction, the powder coating of excessive spraying, because the metal powder pigment amount that the separation of metal powder pigment causes reclaiming in powder reduces in a large number, can not be recycled.
5, the texture that spraying coating process of the present invention presents the powdered material of this formula is more natural, even, and with stereoeffect, has concave-convex hand feeling when people touches; And adopt cladded type metal powder pigment, its weathering resistance and chemical-resistant are better than plain metal pigment.
Accompanying drawing explanation
Fig. 1 is the preparation method's of aluminium section bar of the present invention flash of light stereo wood pattern powder coating schema.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment mono-
Prepare in the steps below aluminium section bar flash of light stereo wood pattern powder coating:
The first step, the starting material of following powder coating are pressed to its corresponding weight percent pre-mixing:
Wherein, flow agent, brightening agent adopt the multipolymer of the acrylate of South Sea Yao Hua company production.
Second step, mixed starting material are extruded by twin screw extruder melting mixing, and the temperature in forcing machine I district is 115 ℃, and the temperature in forcing machine II district is 105 ℃.
The 3rd step, by after extruded material compressing tablet, cooling, fragmentation, then is broken into powder coating, powder diameter 10-100 micron with ACM abrasive dust.
The 4th step, makes powder coating product by 180 order rotating screens used for powder coating.
The 5th step, puts into nation by above-mentioned powder coating and metal powder pigment by following weight percent and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 62 ℃, and the time is 3 minutes.
Powder coating 98.5%
Metal powder pigment 1.5%
Wherein, metal powder pigment is purchased the SCI-320 pearlescence of producing in Guangzhou Guan Xu Chemical Co., Ltd..
The 6th step, the vibratory screening apparatus of material 180 eye mesh screens after above-mentioned nation is determined, sieves powdered product by fines.
Wherein, the SHT nation that described equipment purchase is produced in Xiamen San Hetai Science and Technology Ltd. determines machine.Described Chu JiⅠ district is forcing machine melting mixing section, and described forcing machine II district is forcing machine feeding section.
The powder coating making is tested by relevant criterion, met State Standard of the People's Republic of China's " aluminum alloy building section Part IV: powder spraying section bar " requirement (GB5237.4-2008).
The spraying coating process of flash of light stereo wood pattern powder coating for embodiment 1 aluminium section bar, comprises the following steps:
(1) at aluminium shape surface spraying the first layer aluminium section bar flash of light stereo wood pattern powder coating;
(2) spray piece that completes the first layer spraying is toasted;
(3) on the first layer film basis, spray again one deck aluminium section bar flash of light stereo wood pattern powder coating;
(4) use surface on second layer powder coating, to extrude concave convex texture with the rubber coated pressure bowl of concave convex texture;
(5) spray piece that completes second layer spraying is toasted;
(6) cooling by completing spray piece after baking;
(7) coated transfer printing wood grain paper on cooled spray piece;
(8) carry out the transfer printing of wood grain film to being coated with the spray piece of transfer printing wood grain paper;
(9) carry out after transfer printing coolingly, then transfer printing wood grain paper is torn and obtained glistening stereo wood pattern film.
Embodiment bis-
Prepare in the steps below aluminium section bar flash of light stereo wood pattern powder coating:
The first step, the starting material of following powder coating are pressed to its corresponding weight percent pre-mixing:
Wherein, flow agent, brightening agent adopt the multipolymer of the acrylate of South Sea Yao Hua company production.
Second step, mixed starting material are extruded by twin screw extruder melting mixing, and the temperature in forcing machine I district is 120 ℃, and the temperature in forcing machine II district is 105 ℃.
The 3rd step, by after extruded material compressing tablet, cooling, fragmentation, then carries out fine powder with ACM mill and is broken into the micron to powder diameter 10-100.
The 4th step, makes powder coating product by above-mentioned powder with 180 order rotating screens.
The 5th step, puts into nation by above-mentioned powder coating and metal powder pigment by following weight percent and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 63 ℃, and the time is 3 minutes.
Powder coating 98.3%
Metal powder pigment 1.7%
Wherein, metal powder pigment is purchased the SCI-320 pearlescence of producing in Guangzhou Guan Xu Chemical Co., Ltd..
The 6th step, the vibratory screening apparatus of material 180 eye mesh screens after above-mentioned nation is determined, sieves powdered product by fines.
Wherein, described nation locking equipment is purchased in the SHT nation of Xiamen San Hetai Science and Technology Ltd. production and is determined machine.Described Chu JiⅠ district is forcing machine melting mixing section, and described forcing machine II district is forcing machine feeding section.
The powder coating making is tested by relevant criterion, met State Standard of the People's Republic of China's " aluminum alloy building section Part IV: powder spraying section bar " requirement (GB5237.4-2008).
Embodiment bis-aluminium section bars are identical with embodiment mono-with the spraying coating process of flash of light stereo wood pattern powder coating.
Embodiment tri-
Prepare in the steps below aluminium section bar flash of light stereo wood pattern powder coating:
The first step, the starting material of following powder coating are pressed to its corresponding weight percent pre-mixing:
Wherein, flow agent, brightening agent adopt the multipolymer of the acrylate of South Sea Yao Hua company production.
Second step, extrudes mixed starting material by twin screw extruder melting mixing, the temperature in forcing machine I district is 120 ℃, and the temperature in forcing machine II district is 105 ℃.
The 3rd step, by after the material compressing tablet of extruding, cooling, fragmentation, then carries out fine powder with ACM mill and is broken to powder diameter 10-100 micron.
The 4th step, makes powder coating product by above-mentioned powder with 180 order rotating screens.
The 5th step, puts into nation by above-mentioned powder coating and metal powder pigment by following weight percent and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 64 ℃, and the time is 2.5 minutes.
Powder coating 99.0%
Metal powder pigment 1.0%
Wherein, metal powder pigment is purchased the SCI-320 pearlescence of producing in Guangzhou Guan Xu Chemical Co., Ltd..
The 6th step, the vibratory screening apparatus of material 180 eye mesh screens after above-mentioned nation is determined, sieves powdered product by fines.
Wherein, described nation locking equipment is purchased in the SHT nation of Xiamen San Hetai Science and Technology Ltd. production and is determined machine.Described Chu JiⅠ district is forcing machine melting mixing section, and described forcing machine II district is forcing machine feeding section.
The powder coating making is tested by relevant criterion, met State Standard of the People's Republic of China's " aluminum alloy building section Part IV: powder spraying section bar " requirement (GB5237.4-2008).
Embodiment tri-aluminium section bars are identical with embodiment mono-with the spraying coating process of flash of light stereo wood pattern powder coating.
Embodiment tetra-
Prepare in the steps below aluminium section bar flash of light stereo wood pattern powder coating:
The first step, the starting material of following powder coating are pressed to its corresponding weight percent pre-mixing:
Wherein, flow agent, brightening agent adopt the multipolymer of the acrylate of South Sea Yao Hua company production.
Second step, by mixed starting material, extrudes by twin screw extruder melting mixing, and the temperature in forcing machine I district is 120 ℃, and the temperature in forcing machine II district is 105 ℃.
The 3rd step, by after the material compressing tablet of extruding, cooling, fragmentation, then carries out fine powder with ACM mill and is broken to powder diameter 10-100 micron.
The 4th step, makes powder coating product by above-mentioned powder with 180 order rotating screens.
The 5th step, puts into nation by above-mentioned powder coating and metal powder pigment by following weight percent and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 65 ℃, and the time is 2 minutes.
Powder coating 98.0%
Metal powder pigment 2.0%
Wherein, metal powder pigment is purchased the SCI-151 pearlescence of producing in Guangzhou Guan Xu Chemical Co., Ltd..
The 6th step, the vibratory screening apparatus of material 180 eye mesh screens after above-mentioned nation is determined, sieves powdered product by fines.
Wherein, nation's locking equipment is purchased in the SHT nation of Xiamen San Hetai Science and Technology Ltd. production and is determined machine.Described Chu JiⅠ district is forcing machine melting mixing section, and described forcing machine II district is forcing machine feeding section.
The powder coating making is tested by relevant criterion, met State Standard of the People's Republic of China's " aluminum alloy building section Part IV: powder spraying section bar " requirement (GB5237.4-2008).
Embodiment tetra-aluminium section bars are identical with embodiment mono-with the spraying coating process of flash of light stereo wood pattern powder coating.
Embodiment five
Prepare in the steps below aluminium section bar flash of light stereo wood pattern powder coating:
The first step, the starting material of following powder coating are pressed to its corresponding weight percent pre-mixing:
Wherein, flow agent, brightening agent adopt the multipolymer of the acrylate of South Sea Yao Hua company production.
Second step, by mixed starting material, extrudes by twin screw extruder melting mixing, and the temperature in forcing machine I district is 120 ℃, and the temperature in forcing machine II district is 105 ℃.
The 3rd step, by after the material compressing tablet of extruding, cooling, fragmentation, then carries out fine powder with ACM mill and is broken to powder diameter 10-100 micron.
The 4th step, makes powder coating product by above-mentioned powder with 180 order rotating screens.
The 5th step, puts into nation by above-mentioned powder coating and metal powder pigment by following weight percent and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 65 ℃, and the time is 2 minutes.
Powder coating 98.8%
Metal powder pigment 1.2%
Wherein, metal powder pigment is purchased the SCI-151 pearlescence of producing in Guangzhou Guan Xu Chemical Co., Ltd..
The 6th step, the vibratory screening apparatus of material 180 eye mesh screens after above-mentioned nation is determined, sieves powdered product by fines.
Wherein, described nation locking equipment is purchased in the SHT nation of Xiamen San Hetai Science and Technology Ltd. production and is determined machine.Described Chu JiⅠ district is forcing machine melting mixing section, and described forcing machine II district is forcing machine feeding section.
The powder coating making is tested by relevant criterion, met State Standard of the People's Republic of China's " aluminum alloy building section Part IV: powder spraying section bar " requirement (GB5237.4-2008).
Embodiment five aluminium section bars are identical with embodiment mono-with the spraying coating process of flash of light stereo wood pattern powder coating.
Embodiment six
Prepare in the steps below aluminium section bar flash of light stereo wood pattern powder coating:
The first step, the starting material of following powder coating are pressed to its corresponding weight percent pre-mixing:
Wherein, flow agent, brightening agent adopt the multipolymer of the acrylate of South Sea Yao Hua company production.
Second step, by mixed starting material, extrudes by twin screw extruder melting mixing, and the temperature in forcing machine I district is 120 ℃, and the temperature in forcing machine II district is 105 ℃.
The 3rd step, by after the material compressing tablet of extruding, cooling, fragmentation, then carries out fine powder with ACM mill and is broken to powder diameter 10-100 micron.
The 4th step, makes powder coating product by above-mentioned powder with 180 order rotating screens.
The 5th step, puts into nation by above-mentioned powder coating and metal powder pigment by following weight percent and determines mixer and carry out nation and surely mix, and nation determines mixing temperature and is controlled at 65 ℃, and the time is 2 minutes.
Powder coating 98.4%
Metal powder pigment 1.6%
Wherein, metal powder pigment is purchased the SCI-151 pearlescence of producing in Guangzhou Guan Xu Chemical Co., Ltd..
The 6th step, the vibratory screening apparatus of material 180 eye mesh screens after above-mentioned nation is determined, sieves powdered product by fines.
Wherein, nation's locking equipment is purchased in the SHT nation of Xiamen San Hetai Science and Technology Ltd. production and is determined machine.Described Chu JiⅠ district is forcing machine melting mixing section, and described forcing machine II district is forcing machine feeding section.
The powder coating making is tested by relevant criterion, met State Standard of the People's Republic of China's " aluminum alloy building section Part IV: powder spraying section bar " requirement (GB5237.4-2008).
Embodiment six aluminium section bars are identical with embodiment mono-with the spraying coating process of flash of light stereo wood pattern powder coating.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or modification are not departed to the spirit and scope of the present invention, if within these changes and modification belong to claim of the present invention and equivalent technologies scope, the present invention is also intended to comprise these changes and modification.
Claims (10)
1. a flash of light stereo wood pattern powder coating for aluminium section bar, is characterized in that: comprise the powder coating of 98-99% and the metal powder pigment of 1.0-2.0%, described powder coating comprises following component:
This per-cent is weight ratio;
Wherein, described saturated terminal carboxyl polyester resin A acid number is 48-56mgKOH/g, and viscosity is 2600-3200mPas at 200 ℃; Described saturated terminal carboxyl polyester resin B acid number is 30-35mgKOH/g, and viscosity is 4600-5200mPas at 200 ℃.
2. flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 1, is characterized in that: comprise the powder coating of 98-99% and the metal powder pigment of 1.0-2.0%, described powder coating comprises following component:
This per-cent is weight ratio.
3. flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 1 or 2, is characterized in that: described flow agent is the homopolymer of butyl acrylate; Described brightening agent is the multipolymer of acrylate; Described transfer printing agent is isocyanic ester.
4. a preparation method for flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 1 or 2, is characterized in that, comprises the following steps:
The first step, presses its corresponding weight percent pre-mixing by the starting material of described powder coating;
Second step, melt extrudes premixed starting material, compressing tablet, fragmentation;
The 3rd step, carries out fine pulverizing by broken material;
The 4th step, sieves the material of fine pulverizing to be classified into powder coating;
The 5th step, above-mentioned powder coating and metal powder pigment, by following weight percent preparation flash of light stereo wood pattern powder coating, and are put into nation and determined mixing machine and carry out nation and surely mix:
Powder coating 98-99%
Metal powder pigment 1.0-2.0%
The 6th step, the material that above-mentioned nation is crossed surely sieves and is classified into flash of light stereo wood pattern powder coating.
5. the preparation method of flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 4, it is characterized in that: melt extruding in described second step is specially and premixed starting material melt extruded with screw extrusion press, wherein, the temperature in forcing machine I district is 115 ℃-125 ℃, and the temperature in forcing machine II district is 105 ℃-115 ℃.
6. the preparation method of flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 4, is characterized in that: in described the 3rd step, to be specially and to be crushed to powder diameter with ACM mill be 10-100 micron in fine pulverizing.
7. the preparation method of flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 4, is characterized in that: in described the 4th step, cross screen sizing, be specially the rotating screen with 180 eye mesh screens, fines is sieved to powdered product.
8. the preparation method of flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 4, it is characterized in that: the nation of described the 5th step is mixed surely, be specially and powder coating and metal powder pigment are carried out to nation surely mix, wherein, it is 60 ℃-65 ℃ that nation determines mixing temperature, and mixing time is 2-4 minute.
9. the preparation method of flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 5, is characterized in that: in described the 6th step, cross screen sizing, be specially the vibratory screening apparatus with 180 eye mesh screens, fines is sieved to powdered product.
10. a spraying coating process for flash of light stereo wood pattern powder coating for aluminium section bar as claimed in claim 1 or 2, is characterized in that, comprises the following steps:
(1) at aluminium shape surface spraying the first layer aluminium section bar flash of light stereo wood pattern powder coating;
(2) spray piece that completes the first layer spraying is toasted;
(3) on the first layer film basis, spray again one deck aluminium section bar flash of light stereo wood pattern powder coating;
(4) use surface on second layer powder coating, to extrude concave convex texture with the rubber coated pressure bowl of concave convex texture;
(5) spray piece that completes second layer spraying is toasted;
(6) cooling by completing spray piece after baking;
(7) coated transfer printing wood grain paper on cooled spray piece;
(8) carry out the transfer printing of wood grain film to being coated with the spray piece of transfer printing wood grain paper;
(9) carry out after transfer printing coolingly, then transfer printing wood grain paper is torn and obtained glistening stereo wood pattern film.
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| CN201410082992.7A CN103820010B (en) | 2014-03-07 | 2014-03-07 | The spraying coating process of flash of light stereo wood pattern powdery paints and preparation method thereof and this powdery paints for a kind of aluminium section bar |
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| CN201410082992.7A CN103820010B (en) | 2014-03-07 | 2014-03-07 | The spraying coating process of flash of light stereo wood pattern powdery paints and preparation method thereof and this powdery paints for a kind of aluminium section bar |
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