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Citation: CHEN Xue-Ping, ZHU Geng-Yu, HUANG Zhi-Ming, WENG Zhi-Xue. Properties of Anti-electrolyte Acrylic-Based Superabsorbent[J]. Chinese Journal of Applied Chemistry, ;2003, 20(9): 875-878. shu

Properties of Anti-electrolyte Acrylic-Based Superabsorbent

1.
Institute of Polymer Engineering, Zhejiang University, Hangzhou 310027

Corresponding author: CHEN Xue-Ping,
Received Date: 19 December 2002
Available Online: 23 April 2003

Polyacrylate sodium(PAANa) and poly(acrylate sodium-acrylamide) were synthesized by inverse suspension polymerization and their anti-electrolyte properties were investigated. Copolymerisation of AANa with AM could lead to increasing the anti-electrolyle property of copolymer due the presence of synergistic action between the different hydrophillic groups of polymer components. The copolymer with mol fraction of AM to (AM+AANa)=7.42% showed the best liquid absovability. In the case of aqueous NaCl solution the liquid absorption Q^5/3 is inversly proportional to the NaCl concentration. In addition the kinetics behavior of PAANa and P((AANa+AM) resins at initial swelling stage was found to be fitted with first order kinetic reaction and the kinetic constant was given.
- polyacrylate sodium,
- acrylamide,
- anti-electrolyte
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