Pigment carbon black neutral pen ink and its preparation method
A gel pen ink, carbon black technology, applied in ink, home utensils, applications, etc., to achieve the effects of good writing performance, long cap removal time, and strong adaptability
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Embodiment 1
[0028] According to the formula listed below and the above-mentioned preparation process, the black gel pen ink with excellent performance can be obtained.
[0029] Component name Mass (%)
[0030] Carbon black paste 1 30
[0031] Alkali-swellable thickener 2
[0032] Amylopectin 2
[0033] Ethylene glycol 10
[0034] Propylene Glycol 8
[0035] Triethanolamine 2
[0036] Calcium sorbate 1
[0037] Phosphate 1
[0038] Oleyl alcohol 2
[0039] Deionized water 42
[0040] Among them: carbon black paste 1 is GS-590 carbon black paste from Xiamen Jinshang Resin Co., Ltd.
Embodiment 2
[0041] Example 2: Different color pastes are used, and after the formula is adjusted appropriately, the same preparation process as in Example 1 can be used to obtain an ink with excellent performance.
[0042] Component name Mass (%)
[0043] Carbon black paste 2 30
[0044] Alkali Swellable Thickener 4
[0045] Dextrin 5
[0046] 1,3-Butanediol 10
[0047] Glycerol 10
[0049] Sodium Benzoate 1
[0050] Benzotriazole 1
[0051]Lauric acid 1
[0052] Deionized water 36
[0053] Among them, carbon black paste 2 is #234 carbon black paste of Shanghai Ink Factory of Shanghai Haiwen (Group) Co., Ltd.
Embodiment 3
[0054] Example 3: Different color pastes are used, and after the formula is adjusted appropriately, the same preparation process as in Example 1 can be used to obtain an ink with excellent performance.
[0055] Component name Mass (%)
[0056] Carbon black paste 3 35
[0057] Alkali Swellable Thickener 4
[0058] Maltose Cyclodextrin 2
[0059] Ethylene glycol ether 10
[0060] Triethylene glycol 10
[0061] Sodium bicarbonate 2
[0062] Sodium pentachlorophenate 1
[0063] Tolyltriazole 1
[0064] OP 2
[0065] Deionized water 33
[0066] Among them, carbon black paste 3 is a self-made color paste, and its preparation process is as follows: select 6# pigment carbon black (Nanjing Meishan Yiteng Chemical Co., Ltd.) 20%, dispersant (BYK-163) 2%, 1,3-propylene glycol 10% %, polyethylene glycol (av...
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