Polyester masterbatch: A specialized material for endowing polyester products with color!

Polyester masterbatch is a functional composite material specially designed for coloring polyester products. By scientifically blending colorants, carrier resins and additives, it provides stable and uniform colors for polyester fibers, films, plastic products, etc., and is widely used in the fields of textiles, packaging, industrial products, etc.

From the perspective of composition, polyester masterbatch takes colorants as the core, combined with polyester carrier resins and dispersion AIDS. Colorants should have good heat resistance and chemical stability. Organic and inorganic pigments are commonly used types, which can present rich tones and are not prone to fading. The carrier resin and the polyester base material both belong to the polyester system and have excellent compatibility, ensuring that the color masterbatch is evenly dispersed during processing and avoiding the appearance of color spots and color dots. The dispersion aid further optimizes the distribution state of the colorant, enhances the compatibility between the color masterbatch and the polyester raw material, and ensures the consistency of the finished product color.

In terms of production process, polyester masterbatch needs to go through steps such as mixing, melt extrusion and granulation. After the colorant, carrier resin and additives are mixed evenly in proportion, they are sent into a twin-screw extruder for melting and mixing, so that the colorant is fully dispersed in the carrier. Then, after cooling and pelletizing, they are made into granular products. During the production process, precise control of parameters such as temperature and screw speed is the key to ensuring the dispersion and stability of color masterbatches.

In terms of performance, Polyester masterbatches need to be compatible with the processing characteristics of polyester. Polyester processing often involves high-temperature melt spinning or injection molding, with temperatures reaching 250-300℃. The color masterbatch must remain stable within this range, without decomposition or discoloration, to ensure uniform color of the finished product. At the same time, its lightfastness and weather resistance need to match the application scenarios of the products. For polyester products used outdoors, the color masterbatch should be able to resist the influence of light and temperature differences and reduce fading. Compatibility with polyester is also of vital importance to avoid affecting the mechanical properties of the product.

In terms of application scenarios, polyester masterbatches cover a wide range of polyester products. In the textile field, it is used for coloring polyester filament and staple fibers, making them into clothing fabrics, home textile products, etc., and endowing them with rich colors. In the packaging field, it is suitable for polyester films, achieving brand recognition or functional differentiation through color. In the industrial field, it is used for polyester pipes, fittings, etc., and the specifications or uses are distinguished by color.

With the expansion of the application of polyester products, polyester masterbatches are developing towards environmental protection and functionalization, such as the use of environmentally friendly colorants and the development of functional varieties with UV resistance, to meet diverse demands.

Jiangsu Mizlion Nano Technology Co., Ltd. is a technology-intensive nanomaterial manufacturer jointly founded by Shanghai Enxuan Yuan New Materials Technology Co., Ltd. and Yancheng Ruize Masterbatch Co., LTD., which holds a patent for wet grinding technology. The company focuses on the research and development and production of masterbatches for superfine fibers such as PET, PA, PP, PE, and PLA, and also provides technical solutions for functional fiber masterbatches.