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What are the storage temperature and humidity control standards for polylactic acid fibers during st
2026-11-03Polylactic acid fiber belongs to bio based biodegradable synthetic fibers. With its weak acidity, skin affinity, antibacterial and mite inhibiting properties, excellent biocompatibility, low smoke and flame retardant properties, and industrial composting and degradation capabilities, it can be spun pure or blended with cotton, lyocell, wool, viscose and other fibers. It is widely used in clothing
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How to match dyeing and shaping processes when blending polyester fibers with other fibers
2026-10-26The dyeing and finishing process of polyester fiber blended with other fibers is matched to take into account the temperature tolerance, dye compatibility, and shrinkage characteristics of each component fiber, ensuring uniform color, color fastness, stable fabric size, and no damage to fiber performance as the overall goal. Based on the physical and chemical properties of companion fibers (cotton
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What are the essential differences in structure and production logic between composite spun fibers a
2026-10-19The core differences between composite spun fibers and ordinary blended fibers are reflected in the distribution of components, spinning forming methods, microstructure, and performance implementation logic. The following will explain from the dimensions of production principles, fiber structure, performance characteristics, and processing technology.
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What are the methods for identifying polylactic acid fibers
2026-10-13The identification of polylactic acid fibers is divided into on-site rapid screening methods and laboratory authoritative confirmation methods. Combustion, microscopy, melting point, and chemical dissolution are suitable for preliminary screening; Infrared spectroscopy is used as an arbitration method. Polylactic acid belongs to aliphatic polyester, and its appearance and combustion characteristic
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How does the dyeing performance of polyester fibers affect their application fields
2026-10-08Polyester (PET) has a dense macromolecular structure and lacks hydrophilic and active groups, making it difficult to color at room temperature. It requires high temperature and high pressure (130 ℃) or carrier dyeing, which is the underlying characteristic of its dyeing performance and directly determines its applicable scenarios.
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What are the moisture-proof and dustproof protection measures for composite fiber packaging
2026-09-28Composite spun fibers are more susceptible to moisture and dust than conventional synthetic fibers. Moisture can cause fiber clumping and oil migration, and dust mixing can affect subsequent combing, mesh laying, and thermal bonding effects. The packaging is divided into three levels: inner packaging, outer packaging, and overall tray packaging. It is equipped with a full process moisture-proof an
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Does the degradation of polylactic acid fibers require specific temperature and humidity conditions
2026-09-21The degradation core of polylactic acid (PLA) fiber is first hydrolyzed and broken, and then digested by microorganisms. Moisture and temperature are the two most critical conditions for hydrolysis reaction. Without either condition, degradation will significantly slow down or even stagnate. Therefore, it is necessary to rely on a specific temperature and humidity environment to achieve rapid biod
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What is the testing method for electrostatic properties of polyester fibers
2026-09-14The electrostatic performance testing of polyester fibers is carried out in accordance with the GB/T 12703 series "Test Methods for Electrostatic Properties of Textiles", GB/T 33728 "Evaluation of Electrostatic Properties of Textiles - Electrostatic Attenuation Method", and GB/T 14342 "Test Method for Specific Resistance of Synthetic Short Fibers". It can be carried out for polyester short fibers,
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What is the essential difference between composite spun fibers and ordinary blended fibers
2026-09-08Core essence: The binding positions of the two components are different Composite spun fibers: The same single filament contains two types of polymers inside; Ordinary blended fiber: Two completely independent single fibers are physically mixed together, with each fiber still being a single component. 1. Composite spun fibers (two-component composite spun) By using a composit
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What is the dyeing performance of polylactic acid fiber
2026-09-01PLA belongs to aliphatic polyester fibers, with a structure similar to polyester (PET), but with ester bonds in the molecular chain, lower crystallinity, and glass transition temperature Tg, and can only be dyed with dispersed dyes; The dyeing temperature window is narrow, and it is sensitive to alkali and high temperature. The dyeing and color fastness of dark colors are weaker than that of ordin
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