Preparation and swelling properties of poly(potassium acrylate-co- acrylamide) superabsorbent particles

Sohn Ohgon, Sang Jun Sim, Hyun Lee Dong, Kwan Lee Young, Ji Heung Kim, Dukjoon Kim

Research output: Contribution to journalArticle

Abstract

Superabsorbent poly(potassium acrylate-co-acrylamide)s were synthesized in particle form using inverse suspension polymerization technique. Mean diameter of the prepared polymer particles decreased from 300 to 50 μm with increasing surfactant concentration. The dynamic and equilibrium swelling behaviors during water absorption and drying process were investigated by weight measurement. The swelling ratio of polymer particles in water changed according to not only polymer crosslinking density, but particle size, saline concentration of aqueous medium, and copolymer compositions. Water sorption amount was increased with decreasing particle size, crosslinking agent concentration, and ion concentration in bulk solution. Being different from the water sorption process, the drying process was not significantly affected by particle size, polymer composition, or crosslinking amount.

Original languageEnglish
Pages (from-to)18-23
Number of pages6
JournalPolymer (Korea)
Volume28
Issue number1
Publication statusPublished - 2004 Jan 1
Externally publishedYes

Fingerprint

Acrylamide
Swelling
Potassium
Polymers
Crosslinking
Particle size
Sorption
Water
Drying
Weighing
Water absorption
Chemical analysis
Surface-Active Agents
Suspensions
Surface active agents
Copolymers
Polymerization
Ions
acrylic acid

Keywords

  • Crosslinking
  • Drying
  • Particle
  • Superabsorbent polymers
  • Swelling

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Preparation and swelling properties of poly(potassium acrylate-co- acrylamide) superabsorbent particles. / Ohgon, Sohn; Sim, Sang Jun; Dong, Hyun Lee; Young, Kwan Lee; Kim, Ji Heung; Kim, Dukjoon.

In: Polymer (Korea), Vol. 28, No. 1, 01.01.2004, p. 18-23.

Research output: Contribution to journalArticle

Ohgon, S, Sim, SJ, Dong, HL, Young, KL, Kim, JH & Kim, D 2004, 'Preparation and swelling properties of poly(potassium acrylate-co- acrylamide) superabsorbent particles', Polymer (Korea), vol. 28, no. 1, pp. 18-23.
Ohgon, Sohn ; Sim, Sang Jun ; Dong, Hyun Lee ; Young, Kwan Lee ; Kim, Ji Heung ; Kim, Dukjoon. / Preparation and swelling properties of poly(potassium acrylate-co- acrylamide) superabsorbent particles. In: Polymer (Korea). 2004 ; Vol. 28, No. 1. pp. 18-23.
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