Analytische Chemie: Eine indische Zeitschrift
ISSN (PRINT): 0974-7419

Abstrakt

Swelling and Absorption properties of Polyvinyl Alcohol (PVA) and Acrylic Acid Blend Hydrogels: Effect of γ-Irradiation

Hassan MR, Chowdhury ABMA, Islam MT, Poddar P, Dafader NC and Chowdhury AMS


A series of polyvinyl alcohol and acrylic acid blend hydrogels were prepared in the form of rod by using gamma rays from Co-60 source at room temperature (31°C). The parameters like effect of radiation dose and variation of acrylic acid content in polyvinyl alcohol were studied. The properties like gel fraction, swelling properties (e.g. in water, in NaCl solution of different concentration), water absorption were evaluated. Gel fraction attains a maximum value at the radiation of 25 kGy. After this radiation dose the variation in gel fraction was insignificant. Swelling properties in water decreased with increased radiation dose and increased with increase in the acrylic acid content in the blend gel. Swelling properties also decreased with increased concentration of NaCl in solution. Water absorption attained maximum at 48 h and then the water absorption was insignificant.


Haftungsausschluss: Dieser Abstract wurde mit Hilfe von Künstlicher Intelligenz übersetzt und wurde noch nicht überprüft oder verifiziert

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