Layer structure and layer structure treatment process for automobile decoration
A treatment process and automobile decoration technology, which is applied to coatings, vehicle parts, layered products, etc., can solve problems such as unreasonable structure arrangement, rust, and easy cracking, so as to increase production and pass rate, reduce Production cost, good effect of corrosion resistance
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Embodiment 1
[0019] Such as figure 1 As shown, the structure of the automotive decorative board includes a non-woven fabric layer 1, an aluminum layer 2, a beech wood layer 3, a fiberboard layer 4 and a walnut wood layer 5 from the inside out, and the thickness of the non-woven fabric layer 1 is 0.2 mm. The thickness of aluminum part layer 2 is 0.5mm; The thickness of beech wood layer 3 is 0.3mm; The thickness of fiberboard layer 4 is 0.3mm; Composed of flame retardant formula and waterproof formula, the dry weight ratio of wood fiber, bonding formula, flame retardant formula and waterproof formula is 90:5:4:1, wherein the flame retardant formula includes the following raw materials and weight Specific components: 16 parts of dicyandiamide, 12.0 parts of ammonium dihydrogen phosphate, 5.0 parts of formaldehyde, 10.0 parts of zinc borate, 5.0 parts of ammonia water, 3.0 parts of triethanolamine, 4.0 parts of ethylene propanol, 5 parts of hexamethylenetetramine and 40.0 parts of water, the ...
Embodiment 2
[0021]The difference between the second embodiment and the first embodiment is that the flame retardant formula includes the following raw materials and components by weight: 16.0 parts of dicyandiamide, 24.0 parts of ammonium dihydrogen phosphate, 7.0 parts of formaldehyde, zinc borate 13 parts, 18.0 parts of ammonia water, 3.0 parts of triethanolamine, 4.0 parts of ethylene propanol, 1.0 parts of hexamethylenetetramine and 14 parts of water, spray the mixture of flame retardant formula, adhesive formula and bonding formula after hot grinding After drying, paving, hot pressing, and sanding processes, the fiberboard layer 4 is made on the wood fiber. When the surface of the aluminum layer 2 is electrolytically oxidized first, the wax is removed before the electrolytic oxidation: the aluminum layer 2 Put it into the wax removal solution and treat it for 180 seconds at a temperature of 70°C under the condition of external ultrasonic waves. The concentration of the wax removal sol...
Embodiment 3
[0023] The difference between Example 3 and Example 1 is that the flame retardant formula includes the following raw materials and components by weight: 10.0 parts of dicyandiamide, 10.0 parts of ammonium dihydrogen phosphate, 10 parts of formaldehyde, zinc borate 15 parts, 15 parts of ammonia water, 10 parts of triethanolamine, 10 parts of ethylene propanol, 5 parts of hexamethylenetetramine and 15 parts of water, spray the mixture of flame retardant formula, adhesive formula and bonding formula after hot grinding After drying, paving, hot pressing, and sanding processes, the fiberboard layer 4 is made on the wood fiber. When the surface of the aluminum layer 2 is electrolytically oxidized first, the wax is removed before the electrolytic oxidation: the aluminum layer 2 Put it into the wax removal solution and treat it for 180 seconds at a temperature of 65°C under the condition of external ultrasonic waves. The concentration of the wax removal solution is 150g / l; the wax remo...
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