Polyester color masterbatch is an important material in the field of polyester fiber dyeing, specifically used for coloring processing of polyester fibers and their products. This coloring agent is made through precise processing using high-concentration pigments, dispersants and carrier resins, and has a wide application foundation in the chemical fiber industry.
From the perspective of production process, the manufacturing of Polyester color masterbatch involves several key steps. Firstly, an appropriate pigment type needs to be selected. Organic pigments with excellent heat resistance or some inorganic pigments are commonly used. These pigments are then subjected to surface treatment and mixed with the polyester carrier and special dispersants. Subsequently, they undergo melt blending in a twin-screw extruder. Temperature control during this process is particularly important, usually maintained within the range of 250-280°C to ensure good dispersion. Finally, the product is cut underwater, dried, and screened, resulting in uniformly sized finished color masterbatch.
The technical features of Polyester color masterbatches are reflected in several aspects. The carrier resin usually adopts polyester materials that have good compatibility with polyester fibers, which ensures good dispersion and uniformity during the coloring process. Under the spinning temperature conditions of polyester fibers, high-quality polyester color masterbatches can maintain stable colors without significant thermal decomposition. The colored fibers usually have good color fastness, including important indicators such as light resistance, wash fastness, and friction resistance.
In practical applications, Polyester color masterbatches are mainly used for pre-coloring before the spinning of polyester filament and short fibers. Compared to post-dyeing processes, using color masterbatches for coloring simplifies the production process and reduces wastewater discharge, which is in line with the environmental protection requirements of modern textile industries. In terms of color matching, by precisely combining different color masterbatches, a wide variety of fiber colors can be obtained.
When choosing Polyester color masterbatches, several factors need to be considered. The pigment concentration affects the final color depth of the fibers, and users should select the appropriate concentration according to their needs. The heat resistance grade needs to match the spinning process temperature to avoid color changes caused by high temperatures. In addition, environmental protection indicators such as heavy metal content also need to comply with relevant industry standards.
Poly Plastic Masterbatch (Suzhou) Co., Ltd (short name: PPM) was founded in May 1995. We have focused on dope dyeing for chemical fiber as well as R&D and production of advanced compounding material for years. Main products include color and functional masterbatch with high quality, environmentally friendly water-based nano color paste, optical electronic ink and etc. Downstream applications cover a wide range of industries, e.g. chemical fiber, automotive, E/E, optical material and other high-tech material. PPM was listed successfully on the Shenzhen Stock Exchange in 2020.
