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plastic colorant composed of a high proportion of pigments or additives and thermoplastic resin, which is well dispersed. The selected resin has good wetting and dispersing effects on the colorant, and has good compatibility with the colored material. Namely: pigment+carrier+additive=color masterbatch.
Color masterbatches are generally composed of three parts: a colorant carrier dispersant, which is mixed, crushed, and extruded into particles through a high-speed mixer. Color masterbatches have significant advantages such as high concentration, good dispersibility, and cleanliness in plastic processing.
1. Improve the dispersibility of pigments in products
During the production process of color masterbatch, it is necessary to refine the pigments to improve their dispersibility and coloring power. The carrier of the specialized color masterbatch is the same as the plastic variety of the product, and has good compatibility. After heating and melting, the pigment particles can be well dispersed in the plastic of the product.
2. It is conducive to maintaining the chemical stability of pigments
If pigments are directly used, due to direct contact with air during storage and use, the pigments will experience water absorption, oxidation, and other phenomena. After being made into color masterbatch, the resin carrier separates the pigments from air and water, which can maintain the quality of the pigments for a long time.
3. Ensure the stability of product color
The color masterbatch particles are similar to resin particles, making them more convenient and accurate in measurement. When mixed, they do not adhere to the container, and the mixing with the resin is also more uniform. Therefore, the stability of the addition amount can be ensured, thereby ensuring the stability of the product color.
4. Protect the health of operators
Pigments are generally powdery and can easily fly when added and mixed, which can affect the health of operators when inhaled by the human body.
5. Keep the environment clean
6. Easy to use
| S/N | Item | Content |
| 1 | Machine type | compound extrusion pelletizing |
| 2 | Application | color masterbatch making |
| 3 | Raw materials | resin, pigment, additives |
| 4 | Final product | 3*3 granular |
| 5 | Extruder | parallel co-extrusion twin screw extruder |
| 6 | Pelletizing type | water cooling strands cutting |
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