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Information @ a Glance

General Information

  • Polyvinylidene fluoride, or PVDF is a highly non-reactive and pure thermoplastic fluoropolymer.
  • PVDF is a specialty plastic material in the fluoropolymer family; it is used generally in applications requiring the highest purity, strength, and resistance to solvents, acids, bases and heat and low smoke generation during a fire event.
  • PVDF is resistant to solvents and, therefore, these membranes can be easily stripped and reused to look at other proteins, making it very convenient.
  • In medical and biological imaging above 15MHz, PVDF and its copolymers have proven extremely useful.

Uses

  • PVDF membranes are used for western blots for immobilization of proteins, due to its non-specific affinity for amino acids.
  • PVDF is commonly used as insulation on some kinds of electrical wires, because of its combination of flexibility, low weight, low thermal conductivity, high chemical corrosion resistance, and heat resistance.
  • The piezoelectric properties of PVDF are used to advantage to manufacture tactile sensor arrays, inexpensive strain gauges and lightweight audio transducers.
  • In the biomedical sciences PVDF is used in immunoblotting as an artificial membrane, usually with 0.22 or 0.45 micrometres pore sizes, on which proteins are transferred using electricity.
  • PVDF is used for specialty monofilament fishing lines, sold as fluorocarbon replacements for nylon monofilament.

Report

  • In processing of PVDF around 13 processors namely five in the moulding sector, eight in the wire and cable sector have come up in the country who are importing the basic resin and processing with indigenous equipment.
  • The market has picked up for PVDF as entrepreneurs as well as the users are becoming aware of this product because of its easy processability and its wide range of applications.
  • PVDF has entered India as finished components like pipes, pipe fittings, valves etc. for the Chloralkali industries where it is best suited for nascent Chlorine.
  • The Kynar 500 PVDF resin is made using a new fluorosurfactantfree (FSF) process.
  • Arkema Inc. has developed a multilayer blown film process using its Kynar PVDF films to deliver cost-effective films as per market needs.

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