In recent years, with the continuous development of rotational molding technology, many friends are also very interested in rotational molding technology. Let me ask how the colors of colorful rotational molding products are coated? Now, the editor of Yuezhan Rolling Plastic will take you to learn about it together.

rotational molding technology. Let me ask how the colors of colorful rotational molding products are coated? Now, the editor of Yuezhan Rolling Plastic will take you to learn about it together.

    After processing and shaping, rotational molded products need to be colored and processed before being sold to the market. Polyethylene is difficult to paint due to its surface energy, while others are easier to paint. Painting the surface of rotational molding molds has always been a challenge, how to solve it?

    1. The use of gasification materials and the mixing of a certain proportion of oxidizing materials in rotational molding molds will affect the surface characteristics and some physical properties of the parts.

    2. Chemical oxidation, chemical reagents oxidize the surface of products.

    3. Corona discharge is used to treat the surface of PE products by generating plasma arc through the high voltage of the discharge chamber.

    4. Flame treatment, using flames to create an oxide layer on the surface of the workpiece, making it easier for the paint to adhere to the surface of the product.

    5. Polymer alloying or modification, mixing polyethylene with other polymer materials or surface energy fillers, can allow the product to be directly painted.

    6. Radiation treatment can be used to modify the surface properties of rotational molding molds.

    There are many methods for coloring rotational molding products. We can use chemical oxidation, flame treatment, polymer alloying, or modification to paint, and fill these materials to make the paint easier to adhere to the surface.

    The above is a summary by the editor of Shanghai Yuezhan Rotomolding Products Co., Ltd. on how to color products formed by rolling plastic molds. We hope it is helpful to you. If you need more information, please feel free to call us for consultation.