Radiation synthesis of superabsorbent poly(acrylamide-co-acrylic acid)-sodium alginate hydrogels

Erizal, Sudirman, Emil Budianto, A. Mahendra, R. Yudianti

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

Sodium alginate (NaAlg) is considered to be a potential natural polymer for biomaterial applications, because of its hydrophilic properties that is capable to increase the swelling of hydrogels and biodegradable. This study describes the synthesis of a poly (acrylamide-co-acrylic acid)-NaAlg superabsorbent hydrogels via crosslinking gamma radiation. The effect of irradiation dose (20-40 kGy) and NaAlg concentration (0. 1-0. 7%) of on swelling of hydrogels were studied. The copolymers were characterized by Fourier transform infra red spectroscopy (FTIR) and scanning electron microscopy (SEM) micrograph. The presence of the lowest (0. 1%) NaAlg concentration provokes a significant increasing the equilibrium degree solution (EDS) of hydrogel up 800 g/g, and the extent of gel fraction increases as a function irradiation dose up to about 99%. The hydrogels were also found to be sensitive to the ionic strength of medium. The FTIR spectra of hydrogels were shown crosslinking occurs between acrylamide and acrylic acid and pores structures in the hydrogel observed by using SEM.

Original languageEnglish
Title of host publicationChemical, Material and Metallurgical Engineering
Pages88-96
Number of pages9
DOIs
Publication statusPublished - 7 Oct 2013
Event2013 Asian Pacific Conference on Chemical, Material and Metallurgical Engineering, APCCMME 2013 - Beijing, China
Duration: 22 May 201323 May 2013

Publication series

NameAdvanced Materials Research
Volume746
ISSN (Print)1022-6680

Conference

Conference2013 Asian Pacific Conference on Chemical, Material and Metallurgical Engineering, APCCMME 2013
CountryChina
CityBeijing
Period22/05/1323/05/13

Keywords

  • Acrylamide
  • Acrylic acid
  • Gel fraction
  • Radiation
  • Sodium alginate
  • Superabsorbent
  • Swelling

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