Water-based printing ink composition
A technology of printing ink and composition, which is applied in the direction of ink, household utensils, applications, etc., can solve the problems of reduced concentration, precipitation, floating, and damage to the performance of printing inks, etc., and achieve excellent chemical resistance and excellent dispersibility Effect
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manufacture example 1
[0040] 900 parts of isopropanol and 900 parts of ethanol were charged into a reaction container equipped with a stirrer, a reflux cooler, a temperature controller, and a nitrogen gas introduction pipe, and the temperature was raised to 80° C. under a nitrogen atmosphere. 100 parts of α-methylstyrene, 400 parts of cetyl methacrylate (C16), 155 parts of methyl methacrylate, 150 parts of ethyl acrylate, and 195 parts of methacrylic acid were added dropwise thereto over 4 hours. , a mixture of 40 parts of 2,2'-azobis(2-methylbutyronitrile), and 100 parts of isopropanol.
[0041]After completion of the dropwise addition, stirring was continued at the same temperature to react for 15 hours, then the temperature was lowered to 60° C., a mixture containing 40 parts of dimethylethanolamine and 100 parts of water was added, and stirred until uniform. Then, after adding 900 parts of ion-exchanged water and stirring uniformly, most of isopropanol and ethanol were removed by vacuum distill...
manufacture example 2
[0043] Using the same procedure as in Production Example 1, 100 parts of α-methylstyrene, 200 parts of hexadecyl methacrylate (C16), and 200 parts of tetradecyl methacrylate (C14) were added dropwise over 4 hours. A mixture of 155 parts of methyl methacrylate, 150 parts of ethyl acrylate, 195 parts of methacrylic acid, 40 parts of 2,2'-azobis(2-methylbutyronitrile), and 100 parts of isopropanol.
[0044] After completion of the dropwise addition, stirring was continued at the same temperature to react for 15 hours, then the temperature was lowered to 60°C, and a mixture containing 40 parts of dimethylethanolamine and 100 parts of water was added and stirred until uniform. Then, after adding 900 parts of ion-exchanged water and stirring uniformly, most of isopropanol and ethanol were removed by vacuum distillation. Dimethanolamine was added until the pH of the aqueous solution was 8.0, and stirred until uniform to obtain a water-based resin with a non-volatile content of 45%, a...
manufacture example 3
[0046] Using the same procedure as in Production Example 1, 100 parts of α-methylstyrene, 400 parts of octadecyl methacrylate (C18), 155 parts of methyl methacrylate, and 150 parts of ethyl acrylate were added dropwise over 4 hours. 195 parts of methacrylic acid, 40 parts of 2,2'-azobis(2-methylbutyronitrile), and 100 parts of isopropanol.
[0047] After completion of the dropwise addition, stirring was continued at the same temperature to react for 15 hours, then the temperature was lowered to 60°C, and a mixture containing 40 parts of dimethylethanolamine and 100 parts of water was added and stirred until uniform. Then, after adding 900 parts of ion-exchanged water and stirring uniformly, most of isopropanol and ethanol were removed by vacuum distillation. Dimethanolamine was added until the pH of the aqueous solution was 8.0, and stirred until uniform to obtain a water-based resin with a non-volatile content of 42%, an acid value of 125 mgKOH / g, a weight average molecular w...
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Abstract
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