PVP Polymers 2

  • Povidone

    Povidone

    PVP K is a hygroscopic polymer ,supplied in white or creamy white powder,raning from low to high viscosity & low to high molecular weight with solubility in aqueous and organic solvents,each characterized by K Value.PVP K is Solubility in water and many oter organic solvents.,Hygroscopicity,Film former ,Adhesive,Intial tack ,Complex forma-tion,Stabilization,Solubilization,Crosslinkability ,Biological compatibility andToxicological safeness.

  • Copovidone

    Copovidone

    Copovidone with 60/40 ration of N-Vinylpyrrolidone to Vinyl Acetate,soluble in most organic solvents.Which exists in powder,Copovidone forms hard,water-removable and glossy films,it has excellent compatibility with many plasticizers and modifiers. Good solubility in water,alcohol and other organic solvents. Key Technical Parameters: Appearance White or yellowish-white powder or flakes,hygroscopic Viscosity(Express as K Value) 25.20~30.24 Solubility Freely soluble in water,in alcohol an...
  • Crospovidone

    Crospovidone

    Crospovidone is a crosslinked PVP,insoluble PVP,it is hygroscopic,insoluble in water and all other common solvents,but it swells rapidly in aqueous solutbition without any gel froms.Its; classified as Crospovidone Type A and Type B according to the different particle size. Key Technical Parameters: Product Crospovidone Type A Crospovidone Type B Appearance White or yellowish-white powder or flakes Identifications A.Infrared Absorption B.No blue color develops. C.A Suspension is for...