Brief Analysis of Ink Drift in Packaging Printing

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Packaging printing inks and even table printing plastic inks When the package printing temperature is high, the surfactant-containing ink is deposited on the outside of the film or migrated to many bottom substrates. If the ink migrates to the product after packaging, the phenomenon of migration is called. Poor gloss and dullness of the ink film are commonly encountered in most printing inks. Sometimes the same phenomenon will occur when thinners are added to the printing process or wrong solvents are used.

We can solve it through the following methods:

1. Add amphoteric resin or a suitable amount of hard resin (high softening point or thermosetting resin);

2, due to poor gloss can be added cheap salt or leveling coupling agent can be;

3, adding thickener or increase the resin content;

4, improve the printing power;

5. Adding film-forming lightening aids;

6, then coated with a coating of oil.

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