Physical Characteristics of (PVP-PEG) Polymer Blends
Physical Properties of Polyvinylpyrrolidone and Polyethylene glycol (PVP-PEG) polymer blends
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Polyvinylpyrrolidone is nontoxic have high molecular weight ranging from 40,000 to 360,000 water soluble polymer. Due to its low toxicity and high water solubility, the aqueous solutions of PVP are used in pharmacy, medicine ,cosmetics ,and it has been applied in wide variety of applications such as ,biomaterials and coatings ,blood plasma substitute, medicine, cosmetics, and macromolecular additives. Polyethylene glycol is characterized as a non-toxic, water soluble polymer which resists recognition by the immune system. The term PEG is often used to refer to polymer chains with molecular wei...
Polyvinylpyrrolidone is nontoxic have high molecular weight ranging from 40,000 to 360,000 water soluble polymer. Due to its low toxicity and high water solubility, the aqueous solutions of PVP are used in pharmacy, medicine ,cosmetics ,and it has been applied in wide variety of applications such as ,biomaterials and coatings ,blood plasma substitute, medicine, cosmetics, and macromolecular additives. Polyethylene glycol is characterized as a non-toxic, water soluble polymer which resists recognition by the immune system. The term PEG is often used to refer to polymer chains with molecular weights below 20000. It exhibits rapid clearance from the body, and has been approved for a wide range of biomedical applications. PEG may transfer its properties to another molecule when it is covalently bound to that molecule. This could result in toxic molecules becoming non-toxic or hydrophobic molecules becoming soluble when coupled to PEG .Aqueous solutions of PEG are biocompatible and are used in organ preservation and for tissue culture media .In this study the rheological, optical and electrical properties of PVP+PEG polymeric blens were investigated with respect to PEG additive ratio.
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