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The effects of the ink resin system on ink adhesion

2020-04-09
The effects of the ink resin system on ink adhesion

This article will share several factors that affect the authenticity of ink adhesion. As a reference for the excellent packaging material system for friends, we will first discuss the effects of the ink resin system today.

Resin is an important part of ink. Its important role is firstly to serve as a carrier for pigments, to mix and combine solid substances such as powdered pigments and fillers and secondly to let the ink dry on the printing substrate, to solidify and form a film, resin, the system is one of the most critical components that affect the authenticity of the ink on the substrate.

There are various substrates that are used for printing plastic packaging, such as BOPP, PET, NY, etc. Different substrates have different molecular structures. To achieve good ink fastness, the ink resin used for printing must be of good quality with the substrate. Affinity In the production process, polypropylene (PP) film is usually printed with chlorinated polypropylene resin ink

chlorinated polypropylene resin ink

and polyester (PET) film is printed with polyurethane ink, although it does Now suitable for BOPP with the development of ink technology PET, NY and other general purpose inks have been used for substrates, but in actual use it is still necessary to effectively identify the type of ink. The misuse of ink or the mixing of inks from different manufacturers leads to quality accidents with poor ink adhesion.

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