PVP K90 (Polyvinylpyrrolidone K90) is a versatile polymer with a wide range of applications across various fields. Below is a detailed overview of its applications:
I. Agricultural Applications
- Pesticide Adjuvant: The addition of PVP K90 to pesticides can enhance their adhesion to plants, thereby improving pest control effectiveness.
- Fertilizer Modifier: Incorporating PVP K90 into fertilizers can enhance the utilization rate of active ingredients.
II. Pharmaceutical Industry
- Pharmaceutical Excipient: PVP K90 is one of the three commonly used excipients advocated internationally in the pharmaceutical industry. It can be used as a binder for tablets and granules, an adhesive for topical ointments, and a glidant for capsules.
- Tablet Coating: It also serves as a coating agent for tablets, improving their stability and patient compliance.
III. Cosmetic Industry
- Film-Forming Agent, Thickening Agent, and Binder: In the cosmetics industry, PVP K90 (along with PVP K30) is used as a film-forming agent, thickening agent, lubricant, and binder in hair sprays, mousses, styling gels, styling liquids, skincare products, hair dyes, modifiers, shampoos, lipsticks, deodorants, sunscreens, and toothpastes.
IV. Printing and Dyeing Industry
- Dyeing Auxiliary: PVP K90 can increase the affinity between hydrophobic fibers and dyes, improving the dyeability of fibers.
V. Paper and Textile Industries
- Adhesive and Thickening Agent: It serves as an adhesive and thickening agent in the paper and textile industries, enhancing product performance.
VI. Surface Treatment and Metal Heat Treatment
- Surface Treatment Agent: PVP K90 has applications in surface treatment processes, improving the surface properties of materials.
- Metal Heat Treatment Auxiliary: It can also be used as an auxiliary in metal quenching processes.
VII. Electronic Industry
- Photographic Material: PVP is used in photographic emulsions to improve image contrast and resolution.
- Battery Component: It has potential applications in nickel-chromium batteries, lithium batteries, and printed circuit boards.
VIII. Water Treatment and Environmental Protection
- Water Treatment Membrane Material: PVP K90 can be used as a pore-forming agent in water treatment membranes, improving their separation performance.
IX. Other Applications
- Ink Stabilizer: PVP K90 can help maintain the stability of inks.
- Adhesive Industry: It serves as a thickening agent in the adhesive industry.
In summary, PVP K90, as a versatile polymer, has found wide applications in various fields such as agriculture, pharmaceuticals, cosmetics, printing and dyeing, paper and textiles, surface treatment and metal heat treatment, electronics, water treatment and environmental protection, as well as other industries. When used, adjustments and selections should be made according to specific application scenarios and product requirements, and relevant regulations and standards should be followed to ensure the safety and compliance of its applications.
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