Polypropylene colored filament: Endows polypropylene fibers with a lasting color life！
Polypropylene colored filament: Endows polypropylene fibers with a lasting color life！
Polypropylene colored filament, which is the colored polypropylene fiber produced through specific coloring technology, not only retains the inherent excellent properties of polypropylene material, but also expands its application scope and aesthetic value through stable and rich color expression.
Coloring process and technical characteristics
Polypropylene, as a polyolefin material, lacks polar groups in its molecular structure, making it difficult for conventional dyes to adsorb and fix. This characteristic prompts the coloring of polypropylene to mainly rely on the original liquid coloring technology. This technology involves uniformly mixing precisely processed color masterbatches or color pastes with excellent dispersion and heat resistance properties with polypropylene chips during the spinning melt preparation stage. Subsequently, the mixture is melted and blended through a screw extruder, and finally, colored fibers are directly produced through the spinning process.
This coloring method endows Polypropylene colored filaments with several prominent features. Its color fastness is generally high. As the pigment particles are encapsulated inside the fibers, the color has good wash resistance and abrasion resistance, and can effectively resist the invasion of ultraviolet rays, slowing down the fading problem when used outdoors. In addition, this process eliminates the subsequent cumbersome dyeing and finishing procedures, making the production process more compact. To a certain extent, it reduces the consumption of water resources and energy, demonstrating certain environmental protection advantages.
Color expansion in application fields
With its stable color performance and the inherent characteristics of polypropylene such as light weight, strength, toughness and chemical corrosion resistance, polypropylene color filaments have demonstrated unique charm in many fields.
In the field of industrial textiles, colored bulk bags, tarpaulins and geosynthetics not only meet functional requirements, but also the color distinction is conducive to logistics management, product classification and quality traceability, enhancing the convenience of use.
In the rope and net industry, colorful safety ropes, cables and fishing nets are not only sturdy and durable, but also their bright colors enhance their visibility in complex environments, adding a safety factor to scenarios such as water operations and high-altitude operations.
In the fields of clothing and home furnishings, polypropylene colored filaments offer a wide range of color options for carpets, decorative fabrics and some functional garments. Its anti-mold and moisture-proof properties make it especially suitable for indoor Spaces that have requirements for environmental humidity.
Development trend
In the future, the development of polypropylene colored filaments will focus on the deep integration of color diversity, functionality and environmental friendliness. By developing more refined masterbatch processing technology, it is expected to achieve products with more vivid colors and a wider color spectrum. Meanwhile, combining coloring technology with functional modifications (such as antibacterial, UV-resistant, and flame-retardant) to prepare multifunctional colored fibers is a direction worthy of attention.
The polypropylene colored filament technology has successfully overcome the challenge of polypropylene material being difficult to dye, integrating long-lasting color with excellent physical properties. This has enabled it to evolve from a simple industrial material into a diversified product that combines practical value and aesthetic significance.
Ningbo Dazhong Chemical Fiber Industry Co., Ltd. has an annual production capacity of 15,000 tons of various colored polypropylene filament, polypropylene POY filament, polypropylene PR-strength filament and polypropylene FDY filament ranging from 68 to 1800D, and 120,000 tons of melt direct-spun polyester staple fiber annually. The products include short fiber products with silicon, silicon-free and down imitation from 1.2D to 15D. The annual production capacity of melt direct-spun polyester POY filament is 100,000 tons.