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《Acta Materiae Compositae Sinica》 2011-01
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Synthesis and properties of P(NIPA-co-AM) superporous hydrogel

ZHANG Xian1,LIN Songbai1,2,HUANG Boyang1,LI Yunlong2(1.College of Materials Science & Engineering,Huaqiao University,Quanzhou 362021,China;2.Liming Vocational University,Quanzhou 362000,China)  
Poly(N-isopropylacrylamide-co-acrylic amide) [P(NIPA-co-AM)] superporous hydrogels were prepared by dispersion polymerization in foam state using N-isopropylacrylamide(NIPA) and acrylic amide(AM) as monomers,ammonium persulfate(APS) as initiator,N,N'-Methylene-bis-acrylamide(BIS) as crosslink agent.Its swelling ratio and deswelling ratio were measured when the molar content of AM,the dosages of initiator or crosslink agent or HCI or NaHCO3 were changed.The structure of SPH was characterized by DSC,FTIR and SEM.The results show that lower critical solution temperature(LCST) of P(NIPA-co-AM) gels is improved with the increasing molar content of AM.The hydrogel prepared at condition of x(AM)=20%,ρ(APS)=20 g/L,ρ(BIS)=3.5 g/L,c(HCI)= 0.55 mol/L,ρ(NaHCO3)= 5.0×102 g/L,is more superporous which has higher swelling ratio and deswelling ratio,and good temperature sensitive properties,which makes it possible to load and release with macromolecular drugs.
【Fund】: 福建省自然科学基金(2009J01319);; 泉州市优秀人才培养专项(08A01);; 泉州市科技计划重点项目(2009Z60)
【CateGory Index】: O633.2
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 LIN Songbai1,2,CHEN Weibing1,JIANG Nina1,FU Fengyu1(1.College of Materials Science & Engineering,Huaqiao University,Quanzhou 362021,China;2.Liming Vocational University,Quanzhou 362000,China);SiO_2/alginate gel biocomposites for cellulase immobilization[J];Acta Materiae Compositae Sinica;2008-06
2 LI Haifeng1,FAN Liren*1,JING Luru1,SONG Jiqing2,LI Maosong2,TIAN Huiqing1(1.Engineering Research Center of Nano-Geomaterials of Ministry of Education(China University of Geosciences),Wuhan 430074,China;2.Institute of Environment and Sustainable Development in Agriculture,Chinese Academy of Agricultural Sciences,Beijing 100081,China);Swelling behavior of palygorskite/poly(sodium acrylate) superAbsorbent composites[J];Acta Materiae Compositae Sinica;2009-03
【Co-citations】
Chinese Journal Full-text Database 2 Hits
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