Why must special color masterbatches be used for coloring polypropylene?

Polypropylene is a non-polar material with a high degree of crystallinity. It has poor affinity for most dyes, and traditional dyeing methods are ineffective and not environmentally friendly. Polypropylene masterbatch is a particle made by efficiently blending high-concentration pigments, dispersants and polypropylene carrier resin in advance, and is directly colored through melt spinning. This method features uniform and reliable coloring, a simple process, and no wastewater discharge. It is currently the most mainstream and economical coloring solution.

Core considerations for high-quality Polypropylene masterbatch

Excellent dispersibility: This is the primary indicator. Uneven dispersion can lead to spinning breakage, fiber color difference and reduced strength. High-quality masterbatches are processed with specific dispersants and techniques to ensure that pigment particles are fully refined and stably dispersed in the carrier.

Outstanding heat stability: The spinning temperature of polypropylene is relatively high. Masterbatches must be capable of withstanding prolonged high temperatures without decomposition or discoloration, ensuring color consistency between batches.

Precise color matching and consistency: Professional manufacturers can precisely match colors based on the color palettes provided by customers, and through strict production control, ensure that the color differences between different batches are extremely small, meeting the requirements of continuous production.

Minimal impact on fiber performance: High-quality masterbatches select carriers with excellent compatibility with polypropylene and control the addition ratio to minimize the impact on the original mechanical properties of the fibers (such as strength and elongation).

Polypropylene masterbatch has a wide range of applications:

Polypropylene masterbatch is not only used in the production of colored polypropylene filament and staple fiber, but also serves as the color source for various colored non-woven fabrics (such as medical protection, geotextiles, shopping bags), carpets, ropes and other products. For different applications, there are also special functional masterbatches such as UV-resistant and flame-retardant ones available for selection.

Yancheng Ruize Masterbatch Co., Ltd. was founded in 1999, and the company headquarters is located at No. 26 Qingnian Middle Road, Yancheng City. It is one of the earliest units engaged in the research and production of chemical fiber masterbatches in China. It is a modern industrial enterprise integrating scientific research, development, production and sales with advanced equipment, strong technical strength and full of vitality. The annual production capacity is 5,000 tons. Our company currently has 36 color masterbatch production lines. The "Ruize" brand color masterbatch, functional masterbatch and pre-dispersed pigments are all made of high-quality imported and domestic raw materials and pigments. Grinding technology production. The quality is stable and reliable, the technology is advanced, and it is well received and trusted by customers. Since our company's products were approved and applied on Refine IV equipment in 2010, they have been successfully certified and used by world-renowned companies such as PGI in the United States, AVGOL in Israel, BEAULIEU in Belgium, and TORAY in Japan, and are also used by nearly 200 high-end customers in China. The company passed the ISO9001 quality management system certification in 2003 and 2014, the ISO14001 environmental management system certification in 2007 and 2014, the title of Yancheng High-tech Enterprise in 2009, and the Yancheng Informatization and Industrialization Integration Enterprise in 2014. In 2014, the company's technology center was recognized as an enterprise technology center in Yancheng City.