Multi-layer film with pearlescent piano black effect layer, preparation method, test method and application thereof
A piano black and multi-layer film technology, applied in chemical instruments and methods, coatings, layered products, etc., can solve the problems of insufficient durability, limited tensile formability of pearlescent piano black film, and inability to meet the needs of automotive interiors
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[0044] figure 2 is a flowchart of a method for preparing a multilayer film having a pearlescent piano black effect layer according to an embodiment of the present disclosure. Such as figure 2 As shown, in step S21, the anchoring layer 2 coating liquid is prepared, and the viscosity is adjusted to 20-30 s with a No. 4 volt cup. In this step, it is also necessary to prepare the pearlescent layer 3 ink and the piano black background layer 5 ink required for printing.
[0045] In step S22, the anchor layer 2, the pearl layer 3, the anchor layer 4, and the piano black background layer 5 are sequentially printed on the acrylic resin film by a gravure printing machine. The gravure printing drying temperature is 60-85°C, and the printing speed is 30-50m / min.
[0046] Next, in step S23, the adhesive layer 6 is coated on the coating laminating machine, and the ABS film 7 is laminated online. The coating drying temperature is 60-80°C, the compounding temperature is 80-120°C, and t...
Embodiment 1
[0098] Preparation of anchoring layer coating solution:
[0099] Acrylic resin VP 1018F 30 parts
[0100] Styrene maleic anhydride resin SMA2625 5 parts
[0101] Polyvinyl butyral resin B30H 10 parts
[0102] N3390 5 copies
[0103] 38 parts of ethyl acetate
[0104] Butyl acetate 12 parts
[0105] In the container, first add ethyl acetate and butyl acetate, and then add the above-mentioned other components in sequence, and stir at high speed to fully dissolve and disperse to obtain printing paste, which is ready for use.
[0106] Prepare the pearl layer ink and piano black background layer ink required for printing and set it aside.
[0107] On a 60-micron thick acrylic resin film, a 1-micron anchor layer, a 1-micron pearlescent layer, a 1-micron anchor layer, and a 3-micron piano black background layer are sequentially printed by a multi-color gravure printing machine. The gravure printing drying temperature is 75°C. The printing speed is 30m / min, and the acrylic resin...
Embodiment 2
[0110] Preparation of anchoring layer coating solution:
[0111] Acrylic resin VP 1018F 30 parts
[0112] Styrene maleic anhydride resin SMA2625 5 parts
[0113] Polyvinyl butyral resin B30H 10 parts
[0114] N3390 5 copies
[0115] 40 parts of ethyl acetate
[0116] Butyl acetate 10 parts
[0117] In the container, first add ethyl acetate and butyl acetate, and then add the above-mentioned other components in sequence, and stir at high speed to fully dissolve and disperse to obtain printing paste, which is ready for use.
[0118] Prepare the pearl layer ink and piano black background layer ink required for printing and set it aside.
[0119] On a 75-micron thick acrylic resin film, a 2-micron anchor layer, a 2-micron pearlescent layer, a 2-micron anchor layer, and a 5-micron piano black background layer are sequentially printed with a multi-color gravure printing machine, and the gravure printing drying temperature is 75°C , the printing speed is 30m / min, and the acryli...
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