publication . Article . 2013

Long-Chain Diacrylate Crosslinkers and Use of PEG Crosslinks in Poly(potassium acrylate-acrylic acid)/Kaolin Composite Superabsorbents

Koroush Kabiri; Siavash Nafisi; Mohammad jalaledin Zohuriaan-Mehr; Ali Akbar Yousefi;
Open Access Persian
  • Published: 01 Jan 2013 Journal: علوم و تکنولوژی پلیمر (issn: 1016-3255, eissn: 2008-0883, Copyright policy)
  • Publisher: Iran Polymer and Petrochemical Institute
Abstract
Long-chain diacrylate crosslinkers based on linear α,ω-diols were synthesized and characterized using FTIR and 1H NMR spectroscopy. The highest reaction yield (99.5%) was due to polyethylene glycol diacrylate 1000 (PEGDA-1000). Then, kaolin-containing poly(potassium acrylate-acrylic acid) superabsorbent composites and kaolin-free counterparts were synthesized using PEGDA-1000.The effect of the crosslinker concentration on swelling, rheological and thermo-mechanical properties was investigated. Absorption capacity of the composite hydrogels (having ~38% kaolin) was unexpectedly higher than that of kaolin-free hydrogels. This was attributed to an interfering effec...
Subjects
free text keywords: crosslinker, composite superabsorbent, hydrogel, kaolin, polyethylene glycol diacrylate, Polymers and polymer manufacture, TP1080-1185
Related Organizations

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