Solvent type disperse dye ink-jet printing ink and preparation method thereof
A disperse dye and inkjet printing technology, which is applied in ink, dyeing, textiles and papermaking, can solve the problems of high cost, poor wear fastness, and not bright enough color, and achieve non-volatile, high color fastness and The effect of vividness
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Embodiment 1
[0038] Preparation of red ink:
[0039]Weigh 4g of dispersant MHC80-8200 and 5g of modified xylene resin and add them to 81g of ethylene glycol butyl ether acetate, emulsify with an emulsifier for 35min, then add 10g of C.I. disperse dye red 92, disperse for 30min, and then use sand After grinding for 12 hours, take it out to get the color paste of red ink. Then weigh 25g of color paste and 25g of diethylene glycol diethyl ether, mix evenly, disperse for 20min, and filter through a microporous membrane with a pore size of 0.2-2μm to obtain a solvent-based red disperse dye inkjet printing ink. The physical properties of this ink at 24°C are as follows: surface tension 31.2mN / m (measured by BZY-2 automatic surface tensiometer), viscosity 3.50cP (measured by R / S coaxial cylinder rheometer), disperse dye particle average The particle size is 110nm (measured by a Malvern particle size tester), and the printing fluency of the ink is good.
Embodiment 2
[0041] Preparation of yellow ink:
[0042] Weigh 24.2g of dispersant Tilo-38500F3 (active ingredient 33.3%) and 5g of W30-2 silicone resin into 60.8g of diethylene glycol diethyl ether, emulsify with an emulsifier for 30min, then add 10g of C.I. disperse dye yellow 89, After dispersing for 30 minutes, grind it with a sand mill for 28 hours and take it out to obtain the color paste of yellow ink. Then weigh 20g of color paste and 30g of ethylene glycol butyl ether acetate, mix evenly, disperse for 30 minutes, and filter through a microporous membrane with a pore size of 0.2-2 μm to obtain a solvent-based yellow disperse dye inkjet printing ink. The physical properties of this ink at 24°C are as follows: surface tension 30.9mN / m (measured by BZY-2 automatic surface tensiometer), viscosity 7.59cP (measured by R / S coaxial cylinder rheometer), disperse dye particle average The particle size is 123nm (measured by a Malvern particle size tester), and the printing fluency of the ink ...
Embodiment 3
[0044] Preparation of blue ink:
[0045] Weigh 33.3g dispersant Tilo-38161 (active ingredient 30%) and 10g rosin modified mixed alkylphenol phenolic resin and join in 46.7g ethylene glycol butyl ether acetate, emulsify with emulsifier for 50min, then add 10g C.I. Disperse dye blue 77, disperse for 30 minutes, then grind it with a sand mill for 36 hours and take it out to get the color paste of blue ink. Then weigh 25g of color paste, mix with 15g of ethylene glycol butyl ether acetate and 10g of diethylene glycol diethyl ether, and after dispersing for 30 minutes, filter it with a microporous membrane with a pore size of 0.2-2 μm to obtain a solvent-based blue dispersion. Dye inkjet printing ink. The physical properties of this ink at 24°C are as follows: surface tension 29.6mN / m (measured by BZY-2 automatic surface tensiometer), viscosity 3.73cP (measured by R / S coaxial cylinder rheometer), disperse dye particle average The particle size is 132nm (measured by a Malvern part...
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