Blog

From Commodity Polyester Yarn to Functional Fiber Opportunities The polyester industry has grown rapidly over the past decades. However, growing competition in conventional polyester yarn markets has pushed many manufacturers to explore differentiated, higher-value fiber applications. For polyester filament producers, developing functional fibers and specialty textile materials is becoming an important strategy to improve product

Method of Analysis (MOA) for Water-Soluble Polyester (WSP) Resin 1. Intrinsic viscosity Capillary viscometer method 1.1 Summary The flow times of a pure solvent and a specimen solution at a concentration of 0.005 g/mL are measured at 25 ℃. The intrinsic viscosity value is calculated from the measured flow time and the concentration of the specimen

The performance of textile sizing agents significantly impacts both production efficiency and product quality. Furthermore, as the proportion of synthetic fibers in textile production continues to rise, the overall demand for synthetic sizing agents is increasing. Traditional synthetic sizing agents, such as Polyvinyl Alcohol (PVA), cause significant environmental pollution. Consequently, driven by the dual requirements

Water soluble polyester resin is increasingly recognized as an essential, high-performance, and environmentally friendly material in the textile sector. By utilizing water as its dispersion medium, it aligns perfectly with the principles of green chemistry. Boasting exceptional adhesion and film-forming capabilities, this resin has become a cornerstone in various textile processes, ranging from yarn sizing

Objective: To study the dissolution and hydrolysis properties of polyester sizes. Methods: By immersing polyester sizes and size films in ultrapure water and alkaline solutions, their solubility and hydrolytic characteristics were observed. Results: In ultrapure water, the dissolution time of polyester sizes and size films decreased as temperature increased, while increased water hardness led to

Key Differences Between Low Melting Point Polyester (LMP) Chip and Normal PET Chip The fundamental difference between Low Melting Point (LMP) chip and normal PET chip lies in their melting points, which is a result of distinct chemical compositions and internal structures. This leads to significant variations in properties, processing methods, and applications. Item Low

As the outermost layer protecting photovoltaic (PV) modules, the backsheet is directly exposed to harsh environmental conditions and cyclic mechanical stress. Key performance parameters—such as adhesion, UV resistance, and mechanical strength—are critical factors that determine the overall service life of the module. PV Module Backsheets The Role of the Backsheet The solar backsheet

Photovoltaics (PV) has become one of the fastest-growing renewable energy sources. As a core material for module encapsulation, demand for polyester chips for backsheets will continue to rise. In distributed generation, the trend toward lightweight modules may drive the substitution of glass with polyester-based backsheets. Performance optimization and specialization are the key development pathways for

Exploring Process Air Conditioning in Polyester Filament Production In a polyester filament production workshop, with machines roaring and filaments spinning at high speed, people often focus on core production equipment, such as spinning machines and winders, while overlooking the utility engineering systems that silently support the entire production process. Among the various components of utility