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Company Cases About Dispersants for Thermal Transfer Printing Inks

Dispersants for Thermal Transfer Printing Inks

2024-07-15
Latest company cases about Dispersants for Thermal Transfer Printing Inks

Dispersants in thermal transfer printing inks play a crucial role in ensuring the uniformity and stability of the ink. Here are some common types of dispersants and their characteristics:

  1. Polymer Dispersants:

    • Acrylate Copolymers: These have good stability and dispersing properties, suitable for various pigment systems.
    • Polyurethane Dispersants: Excellent in improving pigment dispersibility and gloss, commonly used in high-end printing applications.
  2. Small Molecule Dispersants:

    • Fatty Acid Esters: They have good wetting and dispersing properties, commonly used in oil-based systems.
    • Alcohol Amines: Effective in reducing pigment aggregation, suitable for water-based ink systems.
  3. Inorganic Dispersants:

    • Silicates: They have good stability at high temperatures, suitable for some special thermal transfer inks.
  4. Hybrid Dispersants: Combining the advantages of polymer and small molecule dispersants, they can exhibit excellent dispersing properties and stability in different systems.

Choosing the right dispersant requires considering the following factors:

  • Ink System: Water-based, oil-based, or solvent-based.
  • Pigment Type: Organic pigments or inorganic pigments.
  • Printing Process: Such as the temperature and pressure requirements of thermal transfer printing.

To optimize the performance of the ink, it is usually necessary to determine the best type and amount of dispersant through experiments.

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