What is the adhesion of different types of ink on PET matte silver paper?

The adhesion of ink on PET matte silver paper is affected by many factors, including the type of ink, the surface treatment of PET matte silver paper, printing conditions, etc. The adhesion of different types of inks on PET matte silver paper varies. The following is a brief analysis of the adhesion of several common ink types on PET matte silver paper:

1. Water-based ink

Adhesion performance: The adhesion of water-based ink on PET matte silver paper is relatively weak. Due to the low surface energy of PET matte silver paper, which is a non-absorbent substrate, water-based ink is difficult to form a firm adhesion on its surface. In addition, the drying speed and scratch resistance of water-based ink may also affect its adhesion on PET matte silver paper.

Lifting method: In order to improve the adhesion of water-based ink on PET matte silver paper, corona treatment or plasma treatment can be carried out on the surface of PET matte silver paper to increase its surface energy and improve the wettability and adhesion of the ink. At the same time, adjusting the ink formula and optimizing the drying conditions also help to improve the adhesion.

2. UV ink

Adhesion performance: The adhesion of UV ink on PET matte silver paper is usually better. UV ink is cured by ultraviolet light, curing speed is fast, the formed ink film has high hardness, good wear resistance, and has good adhesion to a variety of substrates.

Note: When using UV ink, it is necessary to ensure that the performance of the printing equipment and curing device is stable to ensure that the ink is fully cured and has good adhesion.

3. Solvent-based ink

Adhesion performance: The adhesion of solvent-based inks on PET matte silver paper is also good. The solvent in solvent-based inks contributes to the wetting and penetration of the ink on the surface of PET matte silver paper, thereby improving adhesion. However, the environmental protection of solvent-based inks is poor, and attention should be paid to ventilation and waste gas treatment when using them.

Environmental considerations: With the increasingly stringent environmental regulations, the use of solvent-based inks is limited. Therefore, in the selection of ink, environmental protection and adhesion should be considered.

4. Special functional ink

Adhesion performance: The adhesion of special functional inks (such as mirror silver ink, conductive ink, etc.) on PET matte silver paper depends on the specific formula of the ink and the surface treatment of PET matte silver paper. These inks often have special performance requirements, such as electrical conductivity, reflectivity, etc., so their adhesion performance is also more complex.

Application suggestions: When using special functional inks, it is recommended to carry out small batch tests first to verify whether the adhesion and other properties of the ink on PET matte silver paper meet the requirements. At the same time, the surface treatment and use conditions are adjusted according to the suggestions of ink suppliers.

Sum up

The adhesion performance of different types of inks on PET matte silver paper is different, and choosing the appropriate ink type and the appropriate surface treatment method is the key to improve the adhesion. In practical applications, the appropriate ink type should be selected according to the specific needs and environmental requirements, and whether its adhesion and other properties meet the requirements through tests.