Colored hot-melt pre-coating film and preparation method thereof
A pre-coated film and colored technology, applied in the direction of film/sheet adhesive, graft polymer adhesive, adhesive type, etc., can solve the problem of sewage generated in the production process, complicated printing process, and production cost Advanced problems, to achieve the effect of uniform and beautiful color, simple preparation process, energy-saving and high-efficiency production
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Embodiment 1
[0034] Color material:
[0035] Pigments and / or color coatings 0.5kg
[0036] Water-based spot color ink 1kg
[0037] Described pigment and / or color coating can be three primary colors, also can be the pigment of other colors and / or color coating, and water-based spot color ink can be white ink or black ink or other type of ink, and this can be selected according to need
[0038] Polymerized monomer:
[0039] Styrene 0.5kg
[0040] Acrylic acid 0.5kg
[0041] Isooctyl acrylate 0.2kg
[0042] Hydroxyethyl Acrylate 0.5kg
[0043] Acrylic 2kg
[0044] Ethyl acetate 1kg
[0045] Wetting agent: ABO 0.01kg
[0046] Initiator: ammonium persulfate 0.1kg
[0047] Modifier: a mixture of diacetone diamine and ADH 1kg
[0048] Cross-linking agent: aziridine 2.57kg
[0049] Post-elimination agent: a mixture of tert-butyl hydroperoxide and hanging white block 0.1kg
[0050] Emulsifier: polyoxyethylene oleate 0.02kg
[0051] The preparation process is as follows:
[0052] a. Ad...
Embodiment 2
[0058] a. Add 25kg of EVA into the reactor and heat until fully melted,
[0059] b. Add 10kg of pigment and / or color paint, 5kg of water-based spot color ink, 1g of styrene, 1kg of acrylic acid, 1kg of isooctyl acrylate, 1kg of hydroxyethyl acrylate, 4kg of acrylate and 3kg of ethyl acetate into the EVA as described and incubated for at least 1 hour,
[0060] c. Add dropwise the mixture of 1kg of ABO, 0.3kg of ammonium persulfate, 2kg of diacetone diamine and ADH, 2kg of aziridine, 1kg of tert-butyl hydroperoxide and 0.02kg of Add polyoxyethylene oleate to EVA, and add it dropwise for 3.5 to 4 hours to obtain colored hot melt adhesive.
[0061] d. Add the colored hot melt adhesive into the sol container for heating and fully melting,
[0062] e. Add the heated and melted hot-melt adhesive and 50kg of BOPP or PET into the pre-coating compound machine to prepare the colored hot-melt pre-coating film.
Embodiment 3
[0064] The technique of the present embodiment is more suitable for mass production, specifically as follows:
[0065] a. Add 25kg of EVA into the reactor and heat until fully melted,
[0066] b. drop 1kg of styrene, 2kg of acrylic acid, 1kg of isooctyl acrylate, 2kg of hydroxyethyl acrylate, 5kg of acrylate and 3kg of ethyl acetate into the EVA, and keep the temperature for at least 1 hour,
[0067] c. Add dropwise the mixture of 5kg of ABO, 0.5kg of ammonium persulfate, 5kg of diacetone diamine and ADH, 1kg of aziridine, 1.5kg of tert-butyl hydroperoxide and 0.5kg The oleic acid polyoxyethylene ester is added to EVA (high-density polyethylene), and the dropping time is 3.5 to 4 hours to obtain a colored hot-melt adhesive. During this process, the hot-melt adhesive changes from a linear structure to a network structure.
[0068] d. Add the colored hot melt adhesive into the sol container for heating and fully melting,
[0069] e. 40kg of BOPP or PET is blended with 4kg of p...
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