Journal of Radiation Research and Radiation Proces ›› 2014, Vol. 32 ›› Issue (6): 5-060301.doi: 10.11889/j.1000-3436.2014.rrj.32.060301

• RADIATION CHEMISTRY • Previous Articles     Next Articles

Preparation of propenyl monomer-chitosan copolymer hydrogel by irridiation method and the study on its properties

WANG Xiaohui  LYU Xiaohua  LI Xianghui  HUA Chengwu  LI Zhenhua  TI Yongzhou   

  1. (Isotope Institute Co. Ltd., Henan Academy of Sciences, Zhengzhou 450015, China)
  • Received:2014-09-01 Revised:2014-10-22 Online:2014-12-20 Published:2014-11-19

Abstract:

Using γ-ray irradiation method, propenyl monomer-chitosan copolymer hydrogel was synthesized with chitosan, acrylamide (AM), diallyl dimethyl ammonium chloride (DMDAAC), and N, N-methylene-bis- acrylamide as crosslinking agent. The influence of crosslinker MBA amount on water absorption and retention properties of propenyl monomer-chitosan copolymer hydrogel was studied. The results showed when the amount of MBA was lower with the absorbed dose of 2 kGy, equilibrium water absorption decreased with the increasing MBAs; when the amount of MBA was higher, equilibrium water absorption was less affected by MBA; the swelling ratio of hydrogel increased with time; non-Fickian diffusion law could be used to describe swelling kinetics of hydrogel at initial stage; with the increase of the MBA amount, initial water loss rate of the hydrogel increased, however, the maximum loss rate decreased.

Key words: Chitosan, Hydrogel, Water absorption, Water retention, N, N-methylene-bis-acrylamide

CLC Number: 

  • TL13