Method for manufacturing release steel plate for copper-clad plate
A manufacturing method and technology for copper clad laminates, which are applied to devices for coating liquid on surfaces, pretreatment surfaces, coatings, etc., can solve problems such as breakage, wrinkles, and easy sliding of the laid release film, and achieve the appearance of qualified , the effect of rapid separation
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[0052] Example 1
[0053] Step 1. Rinse the surface of the steel plate with deionized water to keep the surface of the steel plate moist; then use sandpaper to polish the steel plate; after polishing, use deionized water to rinse the surface of the steel plate, and use cotton cloth to polish and clean the surface of the steel plate; Repeat the polishing and cleaning process many times until the surface of the steel plate is clean and free of dirt;
[0054] Step 2: Use a hot air source to heat the surface-treated steel plate to keep the surface of the steel plate at a constant coating temperature of 90°C, and then apply the release material (hardened fatty acid) to the steel plate by using the rolling film method to make A release film is formed on the surface of the steel plate;
[0055] The specific rolling film making method of overpressure is:
[0056] 1) Soak the adsorption roller in the release material;
[0057] 2) After the adsorption roller reaches saturation, place it on the ...
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[0060] Examples 2~3
[0061] See Example 1, and the specific parameters are shown in Table 1.
[0062] Table 1 Process parameters of Examples 2 and 3
[0063]
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[0064] Example 4
[0065] Step 1. Rinse the surface of the steel plate with deionized water to keep the surface of the steel plate moist; then use sandpaper to polish the steel plate; after polishing, use deionized water to rinse the surface of the steel plate, and use cotton cloth to polish and clean the surface of the steel plate; Repeat the polishing and cleaning process many times until the surface of the steel plate is clean and free of dirt;
[0066] Step 2: Use a hot air source to heat the surface-treated steel plate to keep the surface of the steel plate at a constant coating temperature of 120°C, and then apply the release material (fluoroalkyl phosphate) to the coating by using the flat coating method On the steel plate, a release film is formed on the surface of the steel plate;
[0067] The specific method of over-pressing flat-coating film is:
[0068] 1) Soak cotton cloth with release material;
[0069] 2) Put the cotton cloth on the squeezing roller, and apply 1.5Kg / cm ...
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