Manufacturing methods for metal clad laminates
A technology of metal-clad laminates and manufacturing methods, which is applied in the direction of metal layered products, metal material coating technology, metal pattern materials, etc., and can solve problems such as no solution for pattern printing methods
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Embodiment 1
[0099] 2-Ethylhexylammonium 2-ethylhexylcarbamate (1.53kg, 5.08mol) and n-butylammonium n-butylcarbamate (1.33kg, 6.94mol) were added to a reactor equipped with a stirrer, and iso Propanol (0.95 kg) to dissolve them. Silver oxide (1 kg, 4.31 mol) was then added to the reactor and reacted at room temperature. A black slurry of the reaction solution appeared at the beginning of the reaction. However, since complexes were formed over time, it was observed that the color of the reaction solution became lighter and eventually became transparent. After reacting for 2 hours, a colorless transparent solution was obtained. To the solution were added 1-amino-2-propanol (0.125 kg) and acrylic resin VAP MP 200 (0.12 kg; manufactured by Chokwang Paint, Ltd.) as a stabilizer and a binder resin, respectively. After stirring, the solution was filtered using a membrane filter with a pore size of 0.45 μm to obtain a silver coating composition. Then, a polyimide (PI) film was coated with the...
Embodiment 2
[0101] The silver-coated film obtained in Example 1 was placed in a bath having nickel sulfate (150 g / L), nickel chloride (40 g / L) and boric acid (30 g / L) therein at 30°C. With nickel as the anode and the silver-coated side of the film as the cathode, a current (25 A / m 2 ) to prepare a metal-clad laminate with a 5-micron thick copper foil layer. The initial peel strengths of the metal-clad laminates prepared as above are given in Table 1 below.
Embodiment 3
[0103] A PET film was coated with the silver coating composition obtained in Example 1 above using a roll-to-roll coater. The film was then heat-treated to obtain a silver film having an electrical conductivity of 0.3 Ω / □ and a thickness of 0.2 µm. The conductive PET film thus obtained was placed in a bath having copper sulfate (125 g / L) therein at 35°C. With copper as the anode and the silver-coated side of the film as the cathode, a current (30 A / m 2 ) to prepare a metal-clad laminate with a 10-micron thick copper foil layer. The initial peel strengths of the obtained metal-clad laminates are given in Table 1 below. The metal-clad laminate prepared as above was subjected to photolithography treatment to form a mesh pattern with a line width of 10 microns and a line pitch of 300 microns.
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