PVP K90 Textile
PVP K90 Textile, a high molecular weight polyvinylpyrrolidone, serves as a versatile binder, dispersant, and film-former in various textile applications.
Description
PVP K90 Textile, with CAS number 9003-39-8, is a high molecular weight homopolymer of N-vinylpyrrolidone, possessing excellent solubility in water and a wide range of organic solvents. Its polymeric structure, characterized by the repeating unit (C6H9NO)n, confers unique properties such as strong binding capabilities, effective dispersion, and the ability to form clear, flexible films. This non-ionic polymer is known for its high affinity for various substrates, including natural and synthetic fibers, making it highly effective in textile processing. PVP K90 exhibits good thermal stability, chemical inertness, and physiologically inert characteristics. Its film-forming properties contribute to improved fiber strength and abrasion resistance, while its dispersant qualities enhance dye uptake and prevent aggregation. The high molecular weight of K90 ensures robust performance in applications requiring significant adhesion and rheological modification. It is compatible with many other resins and additives, allowing for versatile formulation in complex textile systems.
Applications
PVP K90 Textile finds extensive use across the textile industry. It is primarily employed as a dyeing assistant, improving dyestuff affinity, achieving more uniform color distribution, and preventing color migration. As a sizing agent, it enhances the strength and resistance of yarns, particularly for delicate fibers, during weaving. In textile printing, it acts as a thickener and binder for pigments and dyes, ensuring sharp patterns and preventing bleeding. It is also used as an adhesive for non-woven fabrics, imparting strength and structural integrity. Furthermore, PVP K90 functions as a dispersant for pigments and fillers in fiber spinning, as a finishing agent to improve fabric hand and wrinkle resistance, and as an additive in textile coatings and laminates.
Storage & Handling
Store in a cool, dry place in tightly closed containers. Protect from moisture and direct sunlight. Avoid contact with strong oxidizing agents. Ensure adequate ventilation during handling. Practice good industrial hygiene.
Documents & attachments
No documents attached yet.