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Synthesis of chitosan derivative graft acrylic acid superabsorbent polymers and its application as water retaining agent.

Abstract：

:A new superabsorbent polymer was synthesized using amino ethyl chitosan and an acrylic acid by a free radical polymerization. The chemical structure of the superabsorbent polymer was characterized using FTIR, TGA, XRD and solid-state 13C NMR. The results revealed that the acrylic acid was successfully grafted onto the amino ethyl chitosan backbone. As revealed by SEM, a surface with homogeneous and interconnected pore structure was obtained. The influences of different factors (e.g., the initiator, cross-linker and monomer) on the water absorbency of the superabsorbent polymers were investigated. The results indicated that the superabsorbent polymers have a good swelling ability, water evaporation rate, excellent salt tolerance and pH sensitivity. The new superabsorbent polymers have potential as a water-retaining agent.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Fang S,Wang G,Li P,Xing R,Liu S,Qin Y,Yu H,Chen X,Li K

doi

10.1016/j.ijbiomac.2018.04.072

subject

Has Abstract

pub_date

2018-08-01 00:00:00

pages

754-761

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(18)30558-0

journal_volume

115

pub_type

杂志文章

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