【Color Masterbatch】What is Color Masterbatch?
Masterbatch is composed of excess chemical additives, carrier resin and dispersant. The color masterbatch is an aggregate obtained by uniformly loading an ultra-constant pigment (dye) in the resin. The color masterbatch is composed of main pigment, dispersant and carrier resin.
Masterbatch is composed of excess chemical additives, carrier resin and dispersant. The color masterbatch is an aggregate obtained by uniformly loading an ultra-constant pigment (dye) in the resin. The color masterbatch is composed of main pigment, dispersant and carrier resin.
Color masterbatch was first developed by Western European countries in the 1960s. my country's research in this area started late. In the late 1970s, Beijing, Shanghai and Tianjin began to develop and produce: In the mid-1980s, Beijing Yanshan Petrochemical and Guangdong Xinhui has successively introduced wet and dry process technologies and equipment from Ciba-Geigy. Hoechst and other companies, and my country's color masterbatch industry is growing rapidly.
The technical requirements for color masterbatch are very strict, and the generally used color masterbatch technology is wet process. The color masterbatch is made by water phase grinding, phase inversion, water washing, drying and granulation. Only this quality can be guaranteed. In addition, while the pigment is being ground, a series of color masterbatch technical tests should be carried out, such as determining the fineness of the sanding slurry, determining the diffusivity of the sanding slurry, and determining the solid content of the sanding slurry and determining the fineness of the color paste, etc. project.
What is a masterbatch? Why use a masterbatch?
Color masterbatch, also known as color species, is an aggregate made by uniformly loading a super-constant amount of pigment or dye into the resin.
Several advantages of using color masterbatch:
1. It is beneficial to maintain the chemical stability of the pigment and the stability of the color;
2. Make pigments have better dispersibility in plastics:
3. Protect the health of operators;
4. The process is simple and the color change is easy;
5. The environment is clean and does not stain the utensils;
6. Save time and raw materials.
Since the pigment directly contacts the air during storage and use, moisture absorption, oxidation, agglomeration, etc. will occur. Direct use will cause color spots on the surface of the plastic product, the color will be dark, easy to fade, and cause dust during mixing. flying, affecting the health of operators. The color masterbatch is mechanically processed in the production process, the pigment is refined, and the pigment grease carrier and dispersant are fully mixed to separate the pigment from the air and moisture, thereby enhancing the weather resistance of the pigment and improving the pigment. Dispersion and tinting strength, bright hue. Due to the similar shape of the colored resin particles, it is more convenient and accurate to measure, and will not stick to the container during mixing, thus saving the time for cleaning the container and the machine as well as the raw materials used for cleaning the machine.
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