PREPARATION OF POLYVINYL ALCOHOL ABSORBENT FILMS: COMPARISON OF RADIATION AND CHEMICAL CROSSLINKED FILMS

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SHEYKH N.; KIANFAR SH.

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Journal: JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY Year:2010 | Volume:- | Issue:4 (50) Page(s): 14-20

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Title

PREPARATION OF POLYVINYL ALCOHOL ABSORBENT FILMS: COMPARISON OF RADIATION AND CHEMICAL CROSSLINKED FILMS

Author(s)

SHEYKH N. | KIANFAR SH. | Issue Writer Certificate

Keywords

POLYVINYL ALCOHOLQ2

RADIATION CROSSLINKINGQ3

CHEMICAL CROSSLINKINGQ3

MECHANICAL PROPERTIESQ2

METAL ION ADSORPTIONQ3

Abstract

Polymeric absorbents are extensively used in the separation systems. In this paper, the preparation and characterization of a polymeric absorbent is considered.For this purpose POLYVINYL ALCOHOL (PVA) films were prepared and then crosslinked by radiation method using gamma-ray and chemical methods by the use of Glutaraldehyde solution. In the chemical method, the reaction with and without sulphuric acid and in the radiation method the reaction in dry and also aqueous media containing acid were carried out. The gel content, water uptake and tensile properties were measured for all samples. The results showed that the radiation method in aqueous media containing acid led to the maximum gel formation. In addition, the radiation method led to the formation of films with more flexibility. Nickel and Manganese adsorptions were measured on the crosslinked films, which were obtained by the radiation and chemical methods. These measurements were made as a function of pH and also the concentration of metal ion in the solution. The maximum metal adsorption was found at pH=7. In addition, with increasing the metal ion concentration the amount of ion adsorption was increased. In general, our studies showed that an absorbent which is prepared by the radiation method is suitable for water adsorption and another formed by the chemical method is desirable in ion adsorption processes.

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APA: Copy

SHEYKH, N., & KIANFAR, SH.. (2010). PREPARATION OF POLYVINYL ALCOHOL ABSORBENT FILMS: COMPARISON OF RADIATION AND CHEMICAL CROSSLINKED FILMS. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(4 (50)), 14-20. SID. https://sid.ir/paper/97897/en

Vancouver: Copy

SHEYKH N., KIANFAR SH.. PREPARATION OF POLYVINYL ALCOHOL ABSORBENT FILMS: COMPARISON OF RADIATION AND CHEMICAL CROSSLINKED FILMS. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY[Internet]. 2010;-(4 (50)):14-20. Available from: https://sid.ir/paper/97897/en

IEEE: Copy

N. SHEYKH, and SH. KIANFAR, “PREPARATION OF POLYVINYL ALCOHOL ABSORBENT FILMS: COMPARISON OF RADIATION AND CHEMICAL CROSSLINKED FILMS,” JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, vol. -, no. 4 (50), pp. 14–20, 2010, [Online]. Available: https://sid.ir/paper/97897/en

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