Heat transfer digital printing method for natural fibers and regenerated cellulose fibers
A technology of regenerated cellulose and natural fibers, applied in the field of textile printing, can solve the problems of complex process, high investment, embrittlement of protein fibers, etc., and achieve the effects of high resolution, investment saving and good product performance.
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Embodiment 1
[0041] A kind of natural fiber and regenerated cellulose fiber thermal transfer digital printing method, carry out according to the following steps:
[0042] (1) Preparation of coating glue:
[0043] 7% alginate, 1.5% defoamer and 91.5% water are prepared by weight. Pour the water into the mixer, then slowly pour in the seaweed gel, stir at the mixer speed of 600 rpm for 5 minutes, add the defoamer, then adjust the speed to 1600 rpm and stir for 25 minutes, and adjust the viscosity at about 3000 centipoise , put it aside for 2 hours after the preparation is complete.
[0044] (2) Apply printing coating glue
[0045]Use the coating machine to coat the prepared coating glue and the PET film with a width of 1.6 meters. The coating should be uniform and the thickness should be about 15 μm.
[0046] (3) Film printing
[0047] Put the coated PET film on the digital photo machine, and print the designed pattern with reactive dye ink.
[0048] (4) Preparation of printing paste
...
Embodiment 2
[0058] Other operations are the same as embodiment 1, the difference is:
[0059] (5) Upper printing paste
[0060] Soak the cashmere scarf to be printed in the printing paste, take it out after it is wet, and dry it with a dehydrator. The moisture content is 75%, and then spread it on the moving plate of the thermal transfer printing machine.
[0061] The dye in this embodiment can transfer more than 95%, the resolution of the printing pattern is high, the layers of the pattern are clear, and the photo effect is achieved. There is very little floating color in the washing process, the color fastness of the printing reaches above grade 4, and the printing effect completely reaches the imported The level of digital printing machines.
Embodiment 3
[0063] Other operations are the same as embodiment 1, the difference is:
[0064] (5) Upper printing paste
[0065] Dip the cashmere scarf to be printed in the printing paste, take it out of the paddle after it is wet, and dry it with a moisture content of 75%, and then lay it on the moving plate of the heat transfer printing machine.
[0066] The dye in this embodiment can transfer more than 95%, the resolution of the printing pattern is high, the layers of the pattern are clear, and the photo effect is achieved. There is very little floating color in the washing process, the color fastness of the printing reaches above grade 4, and the printing effect completely reaches the imported The level of digital printing machines.
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