How to deal with some phenomena in the printing process
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Basis for the bleed test method of printing inks Which additives should be prepared for emergency in the process of ink production?
Ink anti-swelling gelling aids, such as TM-3; waterproof lines, hair auxiliaries, such as TM-27, TM-200S, etc.; anti-foam, pinhole additives, such as defoamers, anti-fouling agents; anti-settling , thickening aids, such as bentonite, wax powder, etc.; lightening and adhesion aids, such as leveling, crosslinking accelerators, etc., tackifying resins, etc.; anti-oxidation and UV additives, 1010 antioxidants, inorganic mica ( Anti-ultraviolet and heat-resistant stabilizers; powders, etc.; anti-whitening agents, such as phenyl ether, dibutyl ether, diformate, cyclohexanone, n-butanol, etc.; thermosetting ink initial adhesion aids, such as lower softening point Rosin, petroleum resin, etc.; phenolic resin, epoxy resin, etc. which improve the holding power of thermoplastic ink.
How to prevent fire accidents caused by static electricity during printing?
In order to prevent the occurrence of fire accidents, it is common to add an antistatic agent or introduce a polar solvent into the ink system. Printers often add a conductive device to the printer to prevent it.
What is the basis for the bleed test method for printing inks?
According to the national QB571-83, the ink bleed test method: fully agitate the test ink with a squeegee, and take a small amount on a qualitative filter paper. After 1 hour, observe the color of the permeation around the ink, so that the oozing ink does not carry Blue, yellowish brown or other colors are preferred.