Preparation method of aluminized paper for beer labels and aluminized paper obtained by preparation method
A technology of aluminized paper and labels, applied in chemical instruments and methods, paper, papermaking, etc., can solve the problems of non-off-label, unsatisfactory alkali penetration of aluminized paper, and no strict limit on thickness, etc., and achieves appropriate alkali penetration time. The effect of stable and controllable moisture and improved curl resistance
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[0019] Example 1
[0020] Such as figure 1 Shown is the aluminized paper for beer labels of the present invention. The aluminized paper is back coating 1, wet-strength paper layer 2, adhesive layer 3 with special laser pattern, aluminized layer 4 and surface from bottom to top. Coating 5.
[0021] The preparation method of the aluminized paper of the present invention is as follows figure 2 As shown, it includes: (1) making a laser film, using the production method of UV duplicating a seamless laser effect plate roll to mold the BOPP transfer base film to obtain a laser film with a beer trademark special edition laser pattern; (2) paper Back coating, using acrylic emulsion with a solid content of 11% and a viscosity of 18-20s on the wet strength paper (68g / m 2 , Moisture 4-6%) Back-coating on the back, using a 300-mesh steel roller as the coating roller when back-coating, the wet coating amount is 4.5g / m 2 , The drying temperature is 65-70℃, the machine speed is 90m / min, and the ...
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[0022] Example 2
[0023] (1) Make a laser film, and use the production method of UV duplicating a seamless laser effect plate roll to mold the BOPP transfer base film to obtain a laser film with a beer trademark special edition laser pattern; (2) Paper back coating, using solid content 13%, acrylic emulsion with a viscosity of 18-20s on the machine to wet-strength paper (68g / m 2 , Moisture 4-6%) for back coating, use 300 mesh steel roller as the coating roller for back coating, and the wet coating amount is 4.8g / m 2 , The drying temperature is 70-75℃, the machine speed is 90m / min, and the back coating is formed; (3) Gluing, compounding, drying, and peeling, first use transfer glue to coat the side of the laser film with the laser pattern. When coating, choose a glue roller with a hardness of 60 degrees, and adjust the pressure of the glue roller to about 3.2kg to keep the glue amount at 5.5g / m 2 , And then compound the laser film coated with glue with the front side of the paper....
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