CN103318102B - A kind of automobile decoration layer structure and Rotating fields treatment process - Google Patents
A kind of automobile decoration layer structure and Rotating fields treatment process Download PDFInfo
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Abstract
The invention belongs to technical field of automobile, provide a kind of automobile decoration layer structure and Rotating fields treatment process thereof, structure comprises nonwoven layer from inside to outside, aluminum component layer, beech layer, fibrolamellar and English walnut timber layer, fibrolamellar is by wood fiber, bonding formula, flame-retardant formulations and waterproof formula composition, treatment process comprises and first carries out electrolytic oxidation to aluminum component layer surface, paraffin removal is carried out before electrolytic oxidation, by flame-retardant formulations, the compound that gluing formula and bonding are filled a prescription is sprayed onto on the wood fiber after defibrator process, through super-dry, mat formation, hot pressing, sanding operation, make fibrolamellar.The invention has the advantages that treatment process process green, environmental protection, safety, each processing step is simple, improve output and qualification rate, reduce productive costs, be easy to safeguard, Rotating fields arrangement after treatment rationally, good looking appearance, withstanding corrosion is good, the shortcoming such as there will not be cracking, get rusty, form high quality rete in appearance simultaneously, thus enhance corrosion stability.
Description
Technical field
The invention belongs to technical field of automobile, relate to a kind of automobile decoration layer structure and Rotating fields treatment process.
Background technology
Along with growth in the living standard, automobile use amount also cumulative year after year, vehicle can say it is inseparable for the relation of the mankind, and vehicle manufacturer and between vehicle spare part maker and steerman, not only pursue the performance of vehicle itself, safety and fuel-efficient effect, and the aesthetic property inside and outside vehicle body and the decorative components inside and outside vehicle body are also more and more more valued, if existing automobile decorative panel is in order to make its surface more attractive in appearance and seem high-grade, usually can adopt and carry out MULTILAYER COMPOSITE, but existing automobile decorative panel is due to its Structural assignments and process unreasonable, easy appearance cracking, the shortcoming such as to get rusty, therefore be necessary to improve prior art.
Summary of the invention
Technical matters to be solved by this invention is the present situation for prior art, and provides a kind of Rotating fields to arrange rationally, good looking appearance, the automobile decoration layer structure that withstanding corrosion is good and Rotating fields treatment process.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of automobile decoration layer structure, it is characterized in that, comprise nonwoven layer from inside to outside, aluminum component layer, beech layer, fibrolamellar and English walnut timber layer, described fibrolamellar is by wood fiber, bonding formula, flame-retardant formulations and waterproof formula composition, described wood fiber, bonding formula, the oven dry weight of flame-retardant formulations and waterproof formula is than being 90:5:4:1, the anti-flaming formula of wherein said flame-retardant formulations comprises following raw material and weight ratio component: dicyandiamide 9.0-16.0 part, ammonium dihydrogen phosphate (ADP) 12.0-24.0 part, formaldehyde 4.0-13.0 part, Firebrake ZB 10.0-22.0 part, ammoniacal liquor 5.0-18.0 part, triethanolamine 3.0-11.0 part, b propanol 4.0-12.0 part, hexamethylene tetramine 1.0-5.0 part and water 20.0-40.0 part.
The measure taked for optimizing such scheme specifically comprises:
In above-mentioned a kind of automobile decoration layer structure, the thickness of described nonwoven layer is 0.2mm; The thickness of aluminum component layer is 0.5mm; The thickness of beech layer is 0.3mm; The thickness of fibrolamellar is 0.3mm; The thickness of English walnut timber layer is 0.5mm.
A kind of automobile decoration layer structure treatment process, comprises the following steps:
1, first electrolytic oxidation is carried out to aluminum component layer surface, before electrolytic oxidation, carry out paraffin removal: aluminum component layer being put into paraffin removal solution temperature under additional Ultrasonic Conditions is process 180 seconds under 60 DEG C of-70 DEG C of conditions, and the concentration of paraffin removal solution is 130-200g/l, wash secondary from the beginning: at normal temperatures by the aluminum component layer first time washing after paraffin removal 10 seconds, then second time washing 180 seconds, oil removing: by washing after aluminum component layer be placed on except in oil solution under additional Ultrasonic Conditions temperature be 60 DEG C-70 DEG C process 180 seconds, electro-polishing: what the aluminum component layer after being washed by pure water put into electrolytic polishing liquid is that 70 DEG C-90 DEG C process carry out polishing in 300 seconds in temperature, in electrolytic polishing liquid, the vdc of 30V is passed in polishing process, described electrolytic polishing liquid is by sulfuric acid, phosphoric acid, chromic acid, sorbierite, tartaric acid, Al ion forms, described sulfuric acid concentration is 430-530g/l, phosphoric acid concentration is 630-750g/l, chromic acid concentration is 22-33g/l, sorbitol concentration is 7-10g/l, tartaric acid is 15-30g/l, Al concentration of ions is 20-48g/l, ash disposal: the aluminum component layer after being washed by pure water is put into ash disposal solution and processed 330 seconds at normal temperatures, described ash disposal solution is by sulfuric acid, nitric acid, acetic acid, fluoboric acid and the oxidation of hydrogen peroxide composition: it is that 18 DEG C-25 DEG C process are oxidized for 25 seconds that the aluminum component layer after being washed by pure water puts into oxidizing solution in temperature, pass into the vdc of 18V toward oxidizing solution in oxidizing process, be oxidized under constant current effect before this during galvanic action, then voltage is progressively being raised, air is added in the process of oxidation, described oxidizing solution is sulfuric acid, the concentration of sulfuric acid is 185-205g/l,
2, by flame-retardant formulations, gluing formula and bonding formula compound be sprayed onto on the wood fiber after defibrator process, through super-dry, mat formation, hot pressing, sanding operation, make fibrolamellar.
In above-mentioned a kind of automobile decoration layer structure treatment process, after oxidation sealing of hole is carried out to aluminum component layer, sealing of hole comprises cold seal and heat-sealing, aluminum component layer after being washed by pure water is put into cold seal solution and process 660 seconds under temperature is 30 DEG C of-40 DEG C of conditions, and during cold seal, cold seal solution pH value controls at 6.0-6.5; Heat-sealing: the aluminum component layer after washing is put into heat-sealing solution and process 1800 seconds under temperature is 98 DEG C of-128 DEG C of conditions, seal solution pH value during heat-sealing and control at 6.0-6.5, described heat-sealing solution is oxo-phosphoric acid compound, and concentration is 2-5g/l.
In above-mentioned a kind of automobile decoration layer structure treatment process, described cold seal solution by six hydration nickel sulfate, four hydration nickel fluorides, cobalt hydroxide, acrylic resin for and amino resin form, the concentration of six hydration nickel sulfate is 500-530g/l, four hydration nickel fluoride concentration are 300-310g/l, cobalt hydroxide concentration is 200-220g/l, acrylic resin 150-180g/l, amino resin 65-90g/l.Here six hydration nickel sulfate, four hydration nickel fluorides and cobalt hydroxide have good sealing of hole effect, improve the content of fluoride ion in solution, improve the quality of sealing of hole, owing to being in outside solar spectrum scope with the main absworption peak of acrylic resin to light of acrylate and methacrylate monomers copolymerization, so obtained rete has excellent fastness to light and anti-outdoor aging performance; And with the paint film that amino resin makes crosslinking agent, there is excellent gloss, color retention, hardness, resistance to chemical reagents, water-fast and weather resisteant; Two kinds of resins are carried out to mix the high quality rete just obtained required for us according to certain ratio.
In above-mentioned a kind of automobile decoration layer structure treatment process, described paraffin removal solution by concentration be 30-45g/l sulfuric acid, 20-40g/l phosphoric acid, 25-35g/l nitric acid, 5-10g/l sorbierite, 5-10g/l acetic acid, 15-22g/l hydrogen fluoride ammonia and excess water form.
In above-mentioned a kind of automobile decoration layer structure treatment process, the described oil solution that removes is made up of sodium carbonate, sodium phosphate, inhibiter, described concentration of sodium carbonate is 480-530g/l, sodium phosphate concentration is 700-750g/l, surfactant concentration is 25-30g/l, and described inhibiter is butynediol or dodecyl-sulphate.Here because aluminum alloy surface exists nature film, trace impurity, punching press wet goods, if do not carry out can bring very large impact to coating except oil dewaxing, adopt above make whole aluminum component layer more corrosion stability except oil solution and paraffin removal solution, more can guarantee the purification on its surface
Compared with prior art, the invention has the advantages that treatment process process green, environmental protection, safety, each processing step is simple, improves output and qualification rate, reduce productive costs, be easy to safeguard, Rotating fields arrangement is after treatment reasonable, good looking appearance, withstanding corrosion is good, the shortcoming such as there will not be cracking, get rusty, forms high quality rete in appearance simultaneously, thus enhances corrosion stability.
Accompanying drawing explanation
Fig. 1 is this automobile decoration layer structure figure;
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
In figure, nonwoven layer 1; Aluminum component layer 2; Beech layer 3; Fibrolamellar 4; English walnut timber layer 5.
Embodiment one
As shown in Figure 1, this automobile decoration layer structure, comprises nonwoven layer 1, aluminum component layer 2, beech layer 3, fibrolamellar 4 and English walnut timber layer 5 from inside to outside, and the thickness of nonwoven layer 1 is 0.2mm here, the thickness of aluminum component layer 2 is 0.5mm, the thickness of beech layer 3 is 0.3mm, the thickness of fibrolamellar 4 is 0.3mm, the thickness of English walnut timber layer 5 is 0.5mm, fibrolamellar 4 is by wood fiber, bonding formula, flame-retardant formulations and waterproof formula composition, wood fiber, bonding formula, the oven dry weight of flame-retardant formulations and waterproof formula is than being 90:5:4:1, the anti-flaming formula of wherein said flame-retardant formulations comprises following raw material and weight ratio component: dicyandiamide 16 parts, ammonium dihydrogen phosphate (ADP) 12.0 parts, 5.0 parts, formaldehyde, Firebrake ZB 10.0 parts, ammoniacal liquor 5.0 parts, triethanolamine 3.0 parts, b propanol 4.0 parts, hexamethylene tetramine 5 parts and 40.0 parts, water, by flame-retardant formulations, the compound that gluing formula and bonding are filled a prescription is sprayed onto on the wood fiber after defibrator process, through super-dry, mat formation, hot pressing, sanding operation, make fibrolamellar 4, when processing first to aluminum component layer 2 surperficial electrolytic oxidation, paraffin removal is carried out: aluminum component layer 2 being put into paraffin removal solution temperature under additional Ultrasonic Conditions is process 180 seconds under 60 DEG C of conditions before electrolytic oxidation, the concentration of paraffin removal solution is 130g/l, paraffin removal solution by concentration be 30g/l sulfuric acid, 20g/l phosphoric acid, 25g/l nitric acid, 5g/l sorbierite, 5g/l acetic acid, 15g/l hydrogen fluoride ammonia and excess water form, wash secondary from the beginning: at normal temperatures by the aluminum component layer 2 first time washing after paraffin removal 10 seconds, then second time washing 180 seconds, oil removing: by washing after aluminum component layer 2 be placed on except in oil solution under additional Ultrasonic Conditions temperature be 60 DEG C DEG C process 180 seconds, except oil solution is by sodium carbonate, sodium phosphate, inhibiter forms, described concentration of sodium carbonate is 480g/l, sodium phosphate concentration is 700g/l, surfactant concentration is 25g/l, inhibiter is butynediol or dodecyl-sulphate, electro-polishing: what the aluminum component layer 2 after being washed by pure water put into electrolytic polishing liquid is that 70 DEG C of DEG C of process carry out polishing in 300 seconds in temperature, in electrolytic polishing liquid, the vdc of 30V is passed in polishing process, electrolytic polishing liquid is by sulfuric acid, phosphoric acid, chromic acid, sorbierite, tartaric acid, Al ion forms, sulfuric acid concentration is 430g/l, phosphoric acid concentration is 630g/l, chromic acid concentration is 22g/l, sorbitol concentration is 7g/l, tartaric acid is 15g/l, Al concentration of ions is 20g/l, ash disposal: the aluminum component layer 2 after being washed by pure water is put into ash disposal solution and processed 330 seconds at normal temperatures, described ash disposal solution is by sulfuric acid, nitric acid, acetic acid, fluoboric acid and the oxidation of hydrogen peroxide composition: it is that 18 DEG C of process are oxidized for 25 seconds that the aluminum component layer 2 after being washed by pure water puts into oxidizing solution in temperature, pass into the vdc of 18V toward oxidizing solution in oxidizing process, be oxidized under constant current effect before this during galvanic action, then voltage is progressively being raised, air is added in the process of oxidation, described oxidizing solution is sulfuric acid, the concentration of sulfuric acid is 185g/l, after oxidation sealing of hole is carried out to aluminum component layer 2, sealing of hole comprises cold seal and heat-sealing, aluminum component layer 2 after being washed by pure water is put into cold seal solution and process 660 seconds under temperature is 30 DEG C of conditions, during cold seal, cold seal solution pH value controls 6.0, heat-sealing: the aluminum component layer 2 after washing is put into heat-sealing solution and process 1800 seconds under temperature is 98 DEG C of conditions, sealing solution pH value during heat-sealing controls 6.0, heat-sealing solution is oxo-phosphoric acid compound, concentration is 2g/l, cold seal solution is by six hydration nickel sulfate, four hydration nickel fluorides, cobalt hydroxide, acrylic resin, amino resin forms, the concentration of six hydration nickel sulfate is 500g/l, four hydration nickel fluoride concentration are 300g/l, cobalt hydroxide concentration is 200g/l, acrylic resin 150g/l, amino resin 65g/l, here six hydration nickel sulfate, four hydration nickel fluorides and cobalt hydroxide have good sealing of hole effect, improve the content of fluoride ion in solution, improve the quality of sealing of hole, acrylic resin and amino resin form high quality rete in appearance, improve decay resistance, after above step process, whole car trim hardness reaches 400HV, hardness, corrosion stability, resistance to abrasion is all better, compound beech layer 3 and the rear good looking appearance of English walnut timber layer 5 again, improve use class.
Embodiment two
The place that embodiment two is different from embodiment one is, the anti-flaming formula of wherein said flame-retardant formulations comprises following raw material and weight ratio component: dicyandiamide 16.0 parts, ammonium dihydrogen phosphate (ADP) 24.0 parts, 7.0 parts, formaldehyde, Firebrake ZB 13 parts, ammoniacal liquor 18.0 parts, triethanolamine 3.0 parts, b propanol 4.0 parts, hexamethylene tetramine 1.0 parts and 14 parts, water, by flame-retardant formulations, the compound that gluing formula and bonding are filled a prescription is sprayed onto on the wood fiber after defibrator process, through super-dry, mat formation, hot pressing, sanding operation, make fibrolamellar 4, when processing first to aluminum component layer 2 surperficial electrolytic oxidation, paraffin removal is carried out: aluminum component layer 2 being put into paraffin removal solution temperature under additional Ultrasonic Conditions is process 180 seconds under 70 DEG C of conditions before electrolytic oxidation, the concentration of paraffin removal solution is 200g/l, paraffin removal solution by concentration be 45g/l sulfuric acid, 40g/l phosphoric acid, 35g/l nitric acid, 10g/l sorbierite, 10g/l acetic acid, 22g/l hydrogen fluoride ammonia and excess water form, wash secondary from the beginning: at normal temperatures by the aluminum component layer 2 first time washing after paraffin removal 10 seconds, then second time washing 180 seconds, oil removing: by washing after aluminum component layer 2 be placed on except in oil solution under additional Ultrasonic Conditions temperature be 70 DEG C process 180 seconds, except oil solution is by sodium carbonate, sodium phosphate, inhibiter forms, described concentration of sodium carbonate is 530g/l, sodium phosphate concentration is 750g/l, surfactant concentration is 30g/l, described inhibiter is butynediol or dodecyl-sulphate, electro-polishing: what the aluminum component layer 2 after being washed by pure water put into electrolytic polishing liquid is that 90 DEG C of process carry out polishing in 300 seconds in temperature, in electrolytic polishing liquid, the vdc of 30V is passed in polishing process, described electrolytic polishing liquid is by sulfuric acid, phosphoric acid, chromic acid, sorbierite, tartaric acid, Al ion forms, described sulfuric acid concentration is 530g/l, phosphoric acid concentration is 750g/l, chromic acid concentration is 33g/l, sorbitol concentration is 10g/l, tartaric acid is 30g/l, Al concentration of ions is 48g/l, ash disposal: the aluminum component layer 2 after being washed by pure water is put into ash disposal solution and processed 330 seconds at normal temperatures, described ash disposal solution is by sulfuric acid, nitric acid, acetic acid, fluoboric acid and the oxidation of hydrogen peroxide composition: it is that 125 DEG C of process are oxidized for 25 seconds that the aluminum component layer 2 after being washed by pure water puts into oxidizing solution in temperature, pass into the vdc of 18V toward oxidizing solution in oxidizing process, be oxidized under constant current effect before this during galvanic action, then voltage is progressively being raised, air is added in the process of oxidation, described oxidizing solution is sulfuric acid, the concentration of sulfuric acid is 205g/l, after oxidation sealing of hole is carried out to aluminum component layer 2, sealing of hole comprises cold seal and heat-sealing, aluminum component layer 2 after being washed by pure water is put into cold seal solution and process 660 seconds under temperature is 40 DEG C of conditions, during cold seal, cold seal solution pH value controls 6.5, heat-sealing: the aluminum component layer 2 after washing is put into heat-sealing solution and process 1800 seconds under temperature is 128 DEG C of conditions, sealing solution pH value during heat-sealing controls 6.5, heat-sealing solution is oxo-phosphoric acid compound, concentration is 5g/l, cold seal solution is made up of six hydration nickel sulfate, four hydration nickel fluorides, cobalt hydroxide, acrylic resin, amino resin, the concentration of six hydration nickel sulfate is 530g/l, four hydration nickel fluoride concentration are 310g/l, cobalt hydroxide concentration is 220g/l, acrylic resin 165g/l, amino resin 80g/l.Here six hydration nickel sulfate, four hydration nickel fluorides and cobalt hydroxide have good sealing of hole effect, improve the content of fluoride ion in solution, improve the quality of sealing of hole, after above step process, whole car trim hardness reaches 350HV, hardness, corrosion stability, resistance to abrasion are all better, compound beech layer 3 and the rear good looking appearance of English walnut timber layer 5, improve use class again.
Embodiment three
The place that embodiment three is different from embodiment one is, the anti-flaming formula of wherein said flame-retardant formulations comprises following raw material and weight ratio component: dicyandiamide 10.0 parts, ammonium dihydrogen phosphate (ADP) 10.0 parts, 10 parts, formaldehyde, Firebrake ZB 15 parts, ammoniacal liquor 15 parts, triethanolamine 10 parts, b propanol 10 parts, hexamethylene tetramine 5 parts and 15 parts, water, by flame-retardant formulations, the compound that gluing formula and bonding are filled a prescription is sprayed onto on the wood fiber after defibrator process, through super-dry, mat formation, hot pressing, sanding operation, make fibrolamellar 4, when processing first to aluminum component layer 2 surperficial electrolytic oxidation, paraffin removal is carried out: aluminum component layer 2 being put into paraffin removal solution temperature under additional Ultrasonic Conditions is process 180 seconds under 65 DEG C of conditions before electrolytic oxidation, the concentration of paraffin removal solution is 150g/l, paraffin removal solution by concentration be 40g/l sulfuric acid, 30g/l phosphoric acid, 30g/l nitric acid, 8g/l sorbierite, 8g/l acetic acid, 20g/l hydrogen fluoride ammonia and excess water form, wash secondary from the beginning: at normal temperatures by the aluminum component layer 2 first time washing after paraffin removal 10 seconds, then second time washing 180 seconds, oil removing: by washing after aluminum component layer 2 be placed on except in oil solution under additional Ultrasonic Conditions temperature be 65 DEG C process 180 seconds, except oil solution is by sodium carbonate, sodium phosphate, inhibiter forms, described concentration of sodium carbonate is 500g/l, sodium phosphate concentration is 710g/l, surfactant concentration is 27g/l, inhibiter is butynediol or dodecyl-sulphate, electro-polishing: what the aluminum component layer 2 after being washed by pure water put into electrolytic polishing liquid is that 80 DEG C of process carry out polishing in 300 seconds in temperature, in electrolytic polishing liquid, the vdc of 30V is passed in polishing process, described electrolytic polishing liquid is by sulfuric acid, phosphoric acid, chromic acid, sorbierite, tartaric acid, Al ion forms, described sulfuric acid concentration is 470g/l, phosphoric acid concentration is 680g/l, chromic acid concentration is 27g/l, sorbitol concentration is 9g/l, tartaric acid is 18g/l, Al concentration of ions is 22g/l, ash disposal: the aluminum component layer 2 after being washed by pure water is put into ash disposal solution and processed 330 seconds at normal temperatures, described ash disposal solution is by sulfuric acid, nitric acid, acetic acid, fluoboric acid and the oxidation of hydrogen peroxide composition: it is that 23 DEG C of process are oxidized for 25 seconds that the aluminum component layer 2 after being washed by pure water puts into oxidizing solution in temperature, pass into the vdc of 18V toward oxidizing solution in oxidizing process, be oxidized under constant current effect before this during galvanic action, then voltage is progressively being raised, air is added in the process of oxidation, described oxidizing solution is sulfuric acid, the concentration of sulfuric acid is 190g/l, after oxidation sealing of hole is carried out to aluminum component layer 2, sealing of hole comprises cold seal and heat-sealing, aluminum component layer 2 after being washed by pure water is put into cold seal solution and process 660 seconds under temperature is 35 DEG C of conditions, during cold seal, cold seal solution pH value controls 6.2, heat-sealing: the aluminum component layer 2 after washing is put into heat-sealing solution and process 1800 seconds under temperature is 100 DEG C of conditions, sealing solution pH value during heat-sealing controls 6.2, heat-sealing solution is oxo-phosphoric acid compound, concentration is 4g/l, cold seal solution is by six hydration nickel sulfate, four hydration nickel fluorides, cobalt hydroxide, acrylic resin, amino resin forms, the concentration of six hydration nickel sulfate is 510g/l, four hydration nickel fluoride concentration are 305g/l, cobalt hydroxide concentration is 210g/l, acrylic resin 180g/l, amino resin 90g/l, here six hydration nickel sulfate, four hydration nickel fluorides and cobalt hydroxide have good sealing of hole effect, improve the content of fluoride ion in solution, improve the quality of sealing of hole, after above step process, whole car trim hardness reaches 370HV, hardness, corrosion stability, resistance to abrasion is all better, compound beech layer 3 and the rear good looking appearance of English walnut timber layer 5 again, improve use class.
The corrosion stability test of above three embodiments is as follows:
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from the scope that spirit of the present invention defines.
Claims (5)
1. an automobile decoration layer structure treatment process, is characterized in that, comprises the following steps:
(1), first electrolytic oxidation is carried out to aluminum component layer surface, paraffin removal is carried out: aluminum component layer being put into paraffin removal solution temperature under additional Ultrasonic Conditions is process 180 seconds under 60 DEG C of-70 DEG C of conditions, and the concentration of paraffin removal solution is 130-200g/l before electrolytic oxidation, wash secondary from the beginning: at normal temperatures by the aluminum component layer first time washing after paraffin removal 10 seconds, then second time washing 180 seconds, oil removing: by washing after aluminum component layer be placed on except in oil solution under additional Ultrasonic Conditions temperature be 60 DEG C-70 DEG C process 180 seconds, electro-polishing: what the aluminum component layer after being washed by pure water put into electrolytic polishing liquid is that 70 DEG C-90 DEG C process carry out polishing in 300 seconds in temperature, in electrolytic polishing liquid, the vdc of 30V is passed in polishing process, described electrolytic polishing liquid is by sulfuric acid, phosphoric acid, chromic acid, sorbierite, tartaric acid, Al ion forms, described sulfuric acid concentration is 430-530g/l, phosphoric acid concentration is 630-750g/l, chromic acid concentration is 22-33g/l, sorbitol concentration is 7-10g/l, tartaric acid is 15-30g/l, Al concentration of ions is 20-48g/l, ash disposal: the aluminum component layer after being washed by pure water is put into ash disposal solution and processed 330 seconds at normal temperatures, described ash disposal solution is by sulfuric acid, nitric acid, acetic acid, fluoboric acid and hydrogen peroxide composition, oxidation: it is that 18 DEG C-25 DEG C process are oxidized for 25 seconds that the aluminum component layer after being washed by pure water puts into oxidizing solution in temperature, pass into the vdc of 18V toward oxidizing solution in oxidizing process, be oxidized under constant current effect before this during galvanic action, then voltage is progressively being raised, air is added in the process of oxidation, described oxidizing solution is sulfuric acid, and the concentration of sulfuric acid is 185-205g/l,
(2), by flame-retardant formulations, gluing formula and bonding formula compound be sprayed onto on the wood fiber after defibrator process, through super-dry, mat formation, hot pressing, sanding operation, make fibrolamellar.
2. a kind of automobile decoration layer structure treatment process according to claim 1, it is characterized in that, after oxidation sealing of hole is carried out to aluminum component layer, sealing of hole comprises cold seal and heat-sealing, aluminum component layer after being washed by pure water is put into cold seal solution and process 660 seconds under temperature is 30 DEG C of-40 DEG C of conditions, and during cold seal, cold seal solution pH value controls at 6.0-6.5; Heat-sealing: the aluminum component layer after washing is put into heat-sealing solution and process 1800 seconds under temperature is 98 DEG C of-128 DEG C of conditions, seal solution pH value during heat-sealing and control at 6.0-6.5, described heat-sealing solution is oxo-phosphoric acid compound, and concentration is 2-5g/l.
3. a kind of automobile decoration layer structure treatment process according to claim 2, it is characterized in that, described cold seal solution by six hydration nickel sulfate, four hydration nickel fluorides, cobalt hydroxide, acrylic resin for and amino resin form, the concentration of six hydration nickel sulfate is 500-530g/l, four hydration nickel fluoride concentration are 300-310g/l, cobalt hydroxide concentration is 200-220g/l, acrylic resin 150-180g/l, amino resin 65-90g/l.
4. a kind of automobile decoration layer structure treatment process according to claim 1, it is characterized in that, described paraffin removal solution by concentration be 30-45g/l sulfuric acid, 20-40g/l phosphoric acid, 25-35g/l nitric acid, 5-10g/l sorbierite, 5-10g/l acetic acid, 15-22g/l hydrogen fluoride ammonia and excess water form.
5. a kind of automobile decoration layer structure treatment process according to claim 1, it is characterized in that, the described oil solution that removes is made up of sodium carbonate, sodium phosphate, inhibiter, described concentration of sodium carbonate is 480-530g/l, sodium phosphate concentration is 700-750g/l, surfactant concentration is 25-30g/l, and described inhibiter is butynediol or dodecyl-sulphate.
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