Details to pay attention to when printing textile ink

by:angelacrox     2021-08-20
Excessive addition of diluent or auxiliary agent in textile printing machine ink. (2) The surface of the ink layer is blistering, the pattern is not smooth, and the appearance is ugly: the curing temperature is too high and the time is too long; the distance between the heating tube and the substrate is too close or the distance between the heat gun and the printing pattern is too close, or the curing temperature is too high, the speed Too slow; add thinners or additives by mistake; poor printing environment, excessive dust, chipped or not straight, clogged screen or uneven printing table. (3) Poor adhesion, easy to fade: the curing temperature is not enough, and the curing is not complete; although the curing temperature and time meet the requirements, but the power is not reached, the surface of the ink layer is melted, and the bottom cannot reach the curing temperature, so that the ink cannot be completely cured (Especially three-dimensional and thick version printing); the selected printing material cannot meet the requirements of thermosetting ink. (4) Color migration and discoloration: The curing temperature is not enough, and the ink layer is not completely cured; the printing substrate uses disperse dyes, and the printed pieces are heated to a certain temperature during heat treatment, and the dyes in the fabric will sublime and cause color migration; Color inks with poor resistance to migration are used for color printing, such as purple, peach, and fluorescent colors; the curing temperature of the ink is too high, especially for fluorescent or brightly colored inks. Generally, the heat resistance is relatively poor. The pigment is prone to discoloration during curing. (5) The surface of the printed pattern is not clear, and the text and lines are not fine: the quality of the printed screen is poor (the pattern effect is not good, the tension of the two plates is not enough, or the printing equipment, the process is poor); the printing process is poor (scraping pressure during printing Uneven); Improper adjustment of ink viscosity; The printing substrate is too rough to meet the requirements of fine printing. (6) The ink collapses during the three-dimensional effect: the printing screen film is too thick; the scraping pressure is too large or uneven during printing; the ink layer surface is not dried before overprinting; the temperature is too high during curing, or the curing time is too long .
Custom message
Chat Online
Chat Online
Chat Online inputting...