Letterpress-printing dark red ink and preparation method thereof
A letterpress printing, deep red technology, applied in inks, household appliances, applications, etc., can solve the problems of non-waterproof ink, low gloss, poor rheology, etc., achieve high gloss, excellent rheology, easy to master and effect of operation
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Embodiment 1
[0022] Step 1: Weigh various raw materials according to the ratio of mass and number as described below
[0023] Everlasting Red F4R 5.7;
[0024] Sunfast Scarlet BBN 3.3;
[0025] 107 molybdenum chrome red 4.8;
[0026] Alcohol-soluble polyamide resin 59;
[0027] Nitrocellulose solution 7.9;
[0028] ethanol 9;
[0029] Polyethylene microcrystalline wax 0.5;
[0030] Dispersed dust repellant 1.9.
[0031] Step 2: Put 2 / 3 parts by mass of nitrocellulose liquid, polyethylene microcrystalline wax, ethanol and disperse dustproof agent into the reaction kettle, which is equipped with a reflux condenser. Start stirring, then slowly add polyamide resin liquid, stop heating after raising the temperature to 60°C, continue stirring, keep warm for 4 hours and lower the temperature to 35°C;
[0032] Step 3: Then add permanent red, sunfast red BBN and 107 molybdenum chrome red and stir evenly;
[0033] Step 4: Finally, add the remaining nitrocellulose solution, polyethylene micro...
Embodiment 2
[0035] Step 1: Weigh various raw materials according to the ratio of mass and number as described below
[0036] Everlasting Red F4R 4.5;
[0037] Sunfast bright red BBN 3;
[0038] 107 molybdenum chrome red 4;
[0039] Alcohol-soluble polyamide resin 50;
[0040] Nitrocellulose solution 7.6;
[0041] ethanol 8;
[0042] Polyethylene microcrystalline wax 0.5;
[0043] Dispersed dust repellant 1.8.
[0044] Step 2: Put 2 / 3 parts by mass of nitrocellulose liquid, polyethylene microcrystalline wax, ethanol and disperse dustproof agent into the reaction kettle, which is equipped with a reflux condenser. Start stirring, then slowly add polyamide resin liquid, stop heating after raising the temperature to 60°C, continue stirring, keep warm for 4 hours and lower the temperature to 35°C;
[0045] Step 3: Then add permanent red, sunfast red BBN and 107 molybdenum chrome red and stir evenly;
[0046] Step 4: Finally, add the remaining nitrocellulose solution, polyethylene microc...
Embodiment 3
[0048] Step 1: Weigh various raw materials according to the ratio of mass and number as described below
[0049] Everlasting Red F5R 6;
[0050] Sunfast Scarlet BBN 5;
[0051] 107 molybdenum chrome red 5;
[0052] Alcohol-soluble polyamide resin 60;
[0053] Nitrocellulose solution 8.4;
[0054] ethanol 10;
[0055] Polyethylene microcrystalline wax 0.8;
[0056] Dispersed dust repellant 2.8.
[0057] Step 2: Put 2 / 3 parts by mass of nitrocellulose liquid, polyethylene microcrystalline wax, ethanol and disperse dustproof agent into the reaction kettle, which is equipped with a reflux condenser. Start stirring, then slowly add polyamide resin liquid, stop heating after raising the temperature to 65°C, continue stirring, keep warm for 5 hours and lower the temperature to 40°C;
[0058] Step 3: Then add permanent red, sunfast red BBN and 107 molybdenum chrome red and stir evenly;
[0059] Step 4: Finally, add the remaining nitrocellulose solution, polyethylene microcryst...
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