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How to solve the uneven dispersion of color masterbatch granulation?

Color masterbatch is a granular product made by mixing and melting pigments or dyes with a carrier resin. It has a high concentration of pigment or dye content and can be easily added to plastics, rubber, and other materials for adjusting and obtaining the desired color and effect.

The range of applications for color masterbatches:

Plastic products: color masterbatches are widely used in all kinds of plastic products, such as injection molded parts, extruded tubes, films, injection molded boxes, and so on. By adding different formulations of masterbatches, colorful plastic products can be achieved.

Rubber products: color masterbatches are also used for coloring rubber products, such as rubber seals, rubber tubes, rubber flooring, etc. It can make rubber products have even and lasting color.

Textiles: In the textile industry, color masterbatches are used for dyeing fibers, yarns, textiles, and so on. It can provide a rich choice of colors and good dyeing performance.

Challenges in Color Masterbatch Processing:

Pigment dispersion: The dispersion of pigment in the masterbatch is an important processing difficulty. Uneven pigment dispersion can lead to color differences and particle build-up in the masterbatch, affecting the dyeing effect.

Melt flow: The melt flow of masterbatches is critical to the processing of manufactured plastic or rubber products. Different pigment and resin formulations may have an effect on melt flow and need to be adjusted and optimized.

Thermal stability: Some pigments are prone to decomposition or discoloration at high temperatures, affecting the stability and coloring effect of the masterbatch. Therefore, choosing pigments with good thermal stability is one of the important considerations.

Compatibility of masterbatches: good compatibility between the masterbatches and the added plastic or rubber materials is needed to ensure that the masterbatches can be evenly dispersed in the target materials and will not affect the performance of the materials and processing techniques.

SILIKE Silicone Powder Solution: Efficient Color Masterbatch Processing and  Dispersion Achieved>>


SILIKE Silicone powder is added as a dispersant in masterbatches mainly to improve the dispersion of the masterbatches and to ensure the uniform dispersion of pigments in plastic or rubber products. The following are its functions:

Dispersing pigment: SILIKE Silicone powder S201 as a dispersant can help to disperse the pigment into the masterbatch and prevent the pigment from agglomeration and precipitation. It can effectively increase the contact area between the pigment and the carrier material and improve the dispersion of the pigment.

Improvement of coloring effect: By using SILIKE Silicone powder S201 as a dispersant, the pigment can be more evenly distributed in plastic or rubber, thus improving the coloring effect. More accurate, vibrant, and consistent colors can be achieved when the pigments in the masterbatch are evenly dispersed.

Preventing pigment precipitation and build-up: The addition of SILIKE Silicone powder S201 can prevent pigment precipitation and build-up in masterbatches. It provides a stable dispersion state and avoids aggregation of pigment particles, thus maintaining the uniformity and stability of the masterbatch.

Improve processing performance: SILIKE Silicone powder S201 as a dispersant can reduce the viscosity of the masterbatch and improve its fluidity and processing performance. This helps to improve the production efficiency of plastic or rubber products and ensures that the products made have a good appearance and uniform color.

In a word, SILIKE Silicone powder added as a dispersant in masterbatches can effectively disperse pigments, improve the coloring strength, prevent precipitation and build-up, and improve processing performance to obtain uniform, stable, and good appearance plastic or rubber products. SILIKE Silicone powder can not only be used in masterbatches but also in wire and cable materials, PVC shoe soles, PVC materials, filler masterbatches, engineering plastics, etc. Compared with traditional processing aids and lubricants, SILIKE Silicone powder has better thermal stability, which can improve the production capacity and reduce the defective rate of the products, SILIKE is welcome to consult you if you have any needs.

 article source:

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Company Name: Chengdu Silike Technology Co.,Ltd.
Email: Send Email
Country: China

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