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Citation: CAO Zhi-Nong, YAO Qin, YAN Jun. One-Step Suspension Preparation Method for Porous Crosslinked Acrylic Acid Resin[J]. Chinese Journal of Applied Chemistry, ;2001, 18(8): 675-677. shu

One-Step Suspension Preparation Method for Porous Crosslinked Acrylic Acid Resin

1.
Department of Chemistry, East China Normal University, Shanghai 200062

Received Date: 18 October 2000
Available Online: 6 April 2001

A series of porous crosslinked acrylic acid copolymer beads was prepared directly by suspension polymerization of acrylic acid in the presence of 1,2-dichloroethane, toluene or heptane as the inert diluents and divinylbenzene and triallyl isocyanurate as crosslinking agents. A 45% aqueous CaCl₂ solution containing 0.2% hydroxyethyl cellulose was used as the water phase. The copoly merization gave a yield more than 90% and copolymers withion-exchange capacity of 12 mmol/g were obtained. The effects of synthesis conditions,including the ratio of monomer to diluent, reaction temperture, on the resin properties were examined.
- porous crosslinked acrylic acid resin,
- suspension polymerization,
- acrylic acid,
- divinylben zene,
- triallyl isocyanurate
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