Tuesday, December 27, 2022

The Revelation of PVDF Material Innovations

We at Petron Thermoplast are constantly inspired and excited by innovations; in fact, we're always looking for new applications and uses for our products and believe that the rise of emerging industries, such as green technology, holds limitless opportunities for innovators. We are well-positioned to seize new opportunities because of our work with fluoropolymers, which are known for their unique properties and exceptional versatility. When we aren't developing our heat exchanger designs, aerospace applications, or other customized products, we enjoy recognizing other innovations in the field. Consider recent research demonstrating new applications for PVDF (polyvinylidene fluoride), one of the seven fluoropolymers we offer. While PVDF Material has always been known for its high purity and chemical resistance, the American Chemical Society recently announced that under certain conditions, the material could also be highly piezoelectric, which means it generates electricity directly from it the surface. While PVDF's piezoelectric properties have been known since 1969, it is still being determined how to increase the material's piezoelectric potential further.

PVDF material

PVDF and its piezoelectric properties already enable the advanced touch-screen technology and tilt sensors in tablets and smartphones. PVDF is also used for the following purposes:

 

  • Traffic signals
  • Weighing moving vehicles
  • Shoes with lights
  • The inductance of respiration plethysmography

How is PVDF developed?


  • Free radicals polymerize the 1,1-fluoroethylene (CH2=CF2) sheet and resin. Polymerization occurs in an emulsion at 10-150°C and 10-300 atm pressure. The resulting material is formed into films, rods, tubes, and sheets.
  • PVDF polymer is typically manufactured using chlorotrifluoroethylene (CTFE) or hexafluoropropylene (HFP).
  • PVDF copolymer is more flexible than PVDF homopolymer grades.
  • Comoolymes derived from CTFE outperform polymers derived from HFP. They are more malleable, shrink less, and perform well at low temperatures.
  • Furthermore, Polyvinylidene Fluoride is exposed to ionizing radiation via crosslinking, allowing for various modifications to its thermal and mechanical properties. Furthermore, the polymer is partially compatible with various resins such as acrylics, methacrylic, and acrylic rubbers.

PVDF applications include:

 

  • It's used in various electrical and electronics industries, including aircraft wires and cables, high-temperature wiring, home appliances, and industrial power control systems.
  • With the help of some additives, good corrosion properties can improve its applicability to heavy industries such as oil and gas, automotive, marine, and petrochemicals for gaskets, seals, linings, and so on.
  • It's now widely used in filtration equipment like housings, filters, and membranes.
  • Polyvinylidene fluoride is also used to make separators in lithium-ion batteries due to its high thermal and chemical stability. Because the market for electric vehicles is expected to grow significantly, these membranes are in high demand.
  • It is also used to improve the chemical resistance and weatherability of metals such as aluminum and galvanized steel through coating and layering applications.
  • PVDF Sheet makes flexible tubing and liners for water systems, chemical pipes, automobile fuel lines, and storage.
  • Piezoelectric films are outstanding transducers. They can be shaped into various geometries because they are malleable, rigid, and lightweight, resulting in one-of-a-kind and innovative applications.

PVDF has a wide range of industrial and domestic applications. As a result, it should be of exceptional quality. PVDF resin and plastic are two of the most versatile and useful fluoropolymers. Petron Thermoplast offers PVDF pipe and other PVDF material products at competitive prices.

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