UV offset transparent printing ink, and preparation method thereof
A transparent ink and offset printing technology, which is applied in ink, household utensils, applications, etc., can solve the problems of difficult control of viscosity, easy gelation of products, and slow drying speed, and achieve the effect of rapid drying, difficult gelation, and firm adhesion
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Embodiment 1
[0018] Embodiment 1 Preparation of UV offset printing transparent yellow ink
[0019] Disperse and grind the mixture of 10 parts of benzidine yellow G1138-01 and 8 parts of oil soluble yellow KR, then mix the ground mixture with 10 parts of Actilane540 type polyester acrylate oligomer and 2 parts of dipentaerythritol pentaacrylate Prepulped, milled on a triple roller mill. After grinding, add 50 parts of polyester acrylate oligomer, 8 parts of dipentaerythritol pentaacrylate, 7 parts of 1-hydroxy-cyclohexyl benzophenone, 3 parts of benzophenone, 2 parts of dispersant Afcona-4000, Keep the stirring speed at 1500rpm / min, and stir for 60 minutes to obtain the transparent yellow ink for UV offset printing. The whole process takes place indoors.
Embodiment 2
[0020] Example 2 Preparation of transparent red ink for UV offset printing
[0021] Disperse and grind the mixture of 10 parts of naphthol AS and 12 parts of oil-soluble red KR-1, and then mix the ground mixture with 11 parts of Actilane515 type polyester acrylate oligomer and 3 parts of propoxylated trimethylol propane triacrylate mixed pre-pulp, ground on a triple roller mill. After milling, add 41 parts of polyester acrylate oligomer and 10 parts of propoxylated trimethylolpropane triacrylate and 4 parts of 2-methyl-1-[4-methylthiophenyl]- 2-Morpholinyl-1-acetone, 4 parts of benzophenone, 5 parts of dispersant Afcona-4009, control the stirring speed to 1800rpm / min, and stir for 45 minutes to obtain UV offset printing transparent red ink. Avoid direct sunlight during the whole process.
Embodiment 3
[0022] Embodiment 3 Preparation of UV offset printing transparent blue ink
[0023] Disperse and grind the mixture of 12 parts of phthalocyanine blue and 10 parts of oil soluble blue EL, and then mix the ground mixture with 15 parts of Actilane260 type polyester acrylate oligomer and 4 parts of tripropylene glycol diacrylate , Grind finely on a three-kun mill. After grinding, add 40 parts of polyester acrylate oligomer and 11 parts of tripropylene glycol diacrylate and 3 parts of 2-hydroxyl-2-methyl-1-phenyl-1-acetone, 2 parts of diphenylmethane Ketone, 3 parts of dispersant Afcona-4015, keep the stirring speed at 1600rpm / min, stir for 60 minutes to get UV offset printing transparent blue ink. The whole process takes place indoors.
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