A kind of sweet glazing oil and preparation method thereof
A technology of sweet taste and varnish, applied in the field of printed matter, can solve the problems of unstable varnish, short storage stability period of varnish, inability to apply high-speed gravure printing machine, etc., and achieve long storage time and high heat-resistant temperature Effect
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[0026] This embodiment also provides a preparation method for the above-mentioned sweet glazing oil, which includes:
[0027] Mix the sweetener and deionized water to prepare a sweetener dispersion, preferably, disperse at 500-600rpm for 25-35min;
[0028] Mix 10-30 parts of ethanol with the sweetener dispersion to prepare a sweetener solution, preferably, stir at 800-1000rpm for 25-35min;
[0029] Mix ethyl acetate, 0-15 parts of ethanol, dipropylene glycol methyl ether, γ-butyrolactone, leveling agent and resin to prepare resin liquid, preferably, disperse at 1000-1200rpm for 35-45min;
[0030] Mix the sweetener solution with the resin solution to obtain a sweet varnish; preferably, add the sweetener solution evenly into the resin solution, and the pouring time is 8-12 minutes. After pouring, continue to disperse for 18-25 minutes. It should be emphasized that in this step, the sweetener solution is evenly added to the resin solution, and the pouring time is 8-12min, which ...
Embodiment 1
[0035] The present embodiment provides a kind of sweet varnish, in parts by weight, comprising:
[0036] Sweetener: 6 parts of sodium saccharin, 2 parts of button sweet, 2 parts of sucralose;
[0037] Solvent: 12 parts of deionized water, 38 parts of ethanol (18 parts for the first use, 20 parts for the second use), 20 parts of ethyl acetate, 1 part of dipropylene glycol methyl ether, 1 part of γ-butyrolactone;
[0038] Leveling agent: 5 parts of castor oil;
[0039] Resin: 14 parts of L-type nitrocellulose (5 parts of 1 / 16"L-type nitrocellulose, 9 parts of 1 / 8"L-type nitrocellulose), 8 parts of rosin maleate (180mgKOH / g, softening point 150°C);
[0040] Slip agent: 1 part of polypropylene wax.
[0041] This embodiment also provides the preparation method of the above-mentioned sweet varnish, in parts by weight, including:
[0042] Mix sodium saccharin, button sweet, and sucralose with deionized water at a temperature of 40°C, and disperse at 600 rpm for 30 minutes to make ...
Embodiment 2
[0048] The present embodiment provides a kind of sweet varnish, in parts by weight, comprising:
[0049] Sweetener: 10 parts of sodium saccharin, 5 parts of button sweet;
[0050] Solvent: 15 parts of deionized water, 20 parts of ethanol, 23 parts of ethyl acetate, 3 parts of dipropylene glycol methyl ether, 1 part of γ-butyrolactone;
[0051] Leveling agent: 2 parts of tributyl citrate, 1 part of tributyl phosphate;
[0052] Resin: 13 parts of H-type nitrocellulose (viscosity specification: 1 / 8"), 5 parts of rosin maleate (acid value 240mgKOH / g, softening point 140°C);
[0053] Slip agent: 0.5 part of polypropylene wax, 0.5 part of polytetrafluoroethylene.
[0054] This embodiment also provides the preparation method of the above-mentioned sweet varnish, in parts by weight, including:
[0055] Mix sodium saccharin and button sweet with deionized water at a temperature of 45°C, and disperse at 600rpm for 30min to make a sweetener dispersion;
[0056] Under the dispersion c...
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