Preparation of carboxymethyl chitosan based macroporous superabsorbent polymer prepared by cryogenic induced phase separation method

Rong Hua Yan*, Yu Chen, Yun Fei Liu, Hui Min Tan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Preparation of chitosan based macroporous superabsorbent polymer through cryogenic induced phase separation method was studied. The macroporous superabsorbent polymer was prepared by carboxymethyl chitosan based superabsorbent via the process of swelling, pre-freezing and freeze drying. The swelling rate was promoted greatly for the polymer modified through this method.The effects of reacting conditions, such as polymer gelatin concentration, pre-freeze temperature, swelling time and gelatin concentration add in the gel solution, on the pore structure and swelling rate of the superabsorbent polymer were also investigated.

Original languageEnglish
Pages (from-to)144-147
Number of pages4
JournalGaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering
Volume24
Issue number7
Publication statusPublished - Jul 2008

Keywords

  • Cryogenic induced phase separation
  • Macroporous
  • Superabsorbent polymer

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