Hydrographics transfer printing digital anti-counterfeit stained paper and printing method thereof
A water transfer, digital technology, applied in the field of water transfer digital anti-counterfeiting decals and its printing, can solve the problems of being too simple, loss of manufacturers, easy to be lifted, etc., to achieve simple identification, good anti-counterfeiting, and simple production Effect
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Embodiment 1
[0055] The UV resin and the blocking resin are formulated first.
[0056] UV resin is composed of 20 parts of epoxy acrylate, 10 parts of polyester acrylate, 10 parts of trimethylolpropane triacrylate, 31 parts of tripropylene glycol diacrylate, 5 parts of benzophenone, It consists of 3 parts of ethylene glycol, 2 parts of methyldiethanolamine and 16 parts of pigments.
[0057] The isolation resin is prepared as follows:
[0058] 1), make mass concentration be 22 parts of formaldehyde solution of 37%, mass concentration be 1.5 parts of sodium hydroxide solution of 35%, 16 parts of cyclohexanone at 80 ℃ of mixing effects to obtain prepolymer for 10 minutes;
[0059] 2), get 40 parts of deionized water and 18 parts of isopropanol and mix to obtain a mixed solution, add the mixed solution to the prepolymer in step 1), then add 12 parts of acrylic acid, 13 parts of methacrylic acid, acrylic acid 10 parts of methyl ester, 8 parts of ethyl acrylate and 5 parts of butyl acrylate, t...
Embodiment 2
[0076] The UV resin and the blocking resin are formulated first.
[0077] The preparation method of UV resin is the same as that in Example 1.
[0078] The isolation resin is prepared as follows:
[0079] 1), make mass concentration be 22 parts of formaldehyde solution of 37%, mass concentration be 1.5 parts of sodium hydroxide solution of 35%, 16 parts of cyclohexanone at 90 ℃ of mixing effects to obtain prepolymer for 15 minutes;
[0080] 2), get 40 parts of deionized water and 18 parts of isopropanol and mix to obtain a mixed solution, add the mixed solution to the prepolymer in step 1), then add 12 parts of acrylic acid, 13 parts of methacrylic acid, acrylic acid 10 parts of methyl ester, 8 parts of ethyl acrylate and 5 parts of butyl acrylate, then 0.8 part of ammonium persulfate was added, and the temperature was kept at 90°C for 5 hours;
[0081] 3), finally adding ammonia water with a mass concentration of 25% to the solution after the copolymerization in step 2) unt...
Embodiment 3
[0099] The UV resin and blocking resin are formulated first.
[0100] The preparation method of UV resin is the same as in Example 1.
[0101] The isolation resin is prepared as follows:
[0102] 1), make mass concentration be 22 parts of formaldehyde solution of 37%, mass concentration be 1.5 parts of sodium hydroxide solution of 35%, 16 parts of cyclohexanone at 88 ℃ of mixing effects to obtain prepolymer for 12 minutes;
[0103] 2), get 40 parts of deionized water and 18 parts of isopropanol and mix to obtain a mixed solution, add the mixed solution to the prepolymer in step 1), then add 12 parts of acrylic acid, 13 parts of methacrylic acid, acrylic acid 10 parts of methyl ester, 8 parts of ethyl acrylate and 5 parts of butyl acrylate, then 0.8 part of ammonium persulfate was added, and the temperature was kept at 85°C for 4.5 hours of copolymerization;
[0104] 3), finally adding ammonia water with a mass concentration of 25% to the solution after the copolymerization i...
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