Synthesis of hydrogel from aqueous solution of poly(vinyl pyrrolidone) with agar by gamma-rays irradiation

被引：7

作者：

Dafader, NC ^{[1
]}

Haque, ME ^{[1
]}

Akhtar, F ^{[1
]}

机构：

[1] Bangladesh Atom Energy Commiss, Inst Nucl Sci & Technol, Nucl & Radiat Chem Div, Dhaka, Bangladesh

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2005年 / 44卷 / 02期

关键词：

poly(vinyl pyrrolidone); gamma rays; hydrogels;

D O I：

10.1081/PTE-200048678

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Hydrogels were prepared from an aqueous solution of poly(vinyl pyrrolidone) (PVP) by using gamma-rays from a Co-60 source at room temperature. For this purpose, effects of radiation dose and concentration of polymers on the properties were investigated. The gel fraction, gel strength, and elongation at break attain maximum at the radiation dose of 20 kGy. But swelling ratio decreases with increased radiation dose. On the other hand, gel strength, gel fraction, and elongation at break increase with an increase in the concentration of PVP. Agar improves gel strength and elongation at break but reduces gel fraction and swelling ratio.

引用

页码：243 / 251

页数：9

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