pvp k-81|86 mb

chemistry: vp and derivatives

chemical name: polyvinylpyrrolidone

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Polyvinylpyrrolidone is a hygroscopic, amorphous polymer supplied as a white, free-flowing powder or a clear aqueous solution. Available in several molecular weight grades, they are characterized by K-value, and used in a great variety of applications. Polyvinylpyrrolidone can be plasticized with water and most common organic plasticizers. It is considered to be physiologically inert 

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features and benefits
  • excellent solubility in water and non-polar solvents 
  • forms lubricious hydrogels and coatings for medical devices
  • low solution viscosity: workable solution viscosity at high polymer levels makes it easy to use in several manufacturing equipment
  • non-ionic: solution viscosity is not affected by changes in pH or the presence of electrolytes, will not form complexes or interact with ionic drug actives
  • interfacially active: inhibits crystallization of inactive ingredients, stabilizes suspensions, dispersions and emulsions

  • tissue engineering scaffolds

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