Tuning the stop bands of inverse opal hydrogels with double network structure by controlling the solvent and pH
Wang JY ; Han YC
刊名journal of colloid and interface science
2011
卷号353期号:2页码:498-505
关键词HIGH MECHANICAL STRENGTH POLYMER GELS ENTANGLEMENT CRYSTALS
ISSN号0021-9797
通讯作者han yc
中文摘要polyacrylic acid (paa) and polyacrylamide (paam) double network (dn) hydrogels with high mechanical strength (about 1.5 mpa) are obtained when two kinds of monomer solutions of 4 m aa with 5 mol% crosslinker and 4 m aam with 0.1 mol% crosslinker are used for the optimal preparation. their high mechanical strength can be maintained even at high water content (above 50%) and at external stimuli (solvent and ph). this optimized dn hydrogel is used to develop the paa/paam inverse opal hydrogel with dn structure by twice infiltration-polymerization and colloidal templating. its photonic stop band can be tuned by controlling the solvent and ph. it first shows a small red-shift (about 20 nm), and then a large blue-shift (about 180 nm) with the increased ethanol content. for ph response, the dn inverse opal hydrogel has a large stop-band shift of about 140 nm when the ph increases from 1.2 to 5.6. moreover, the dn inverse opal hydrogel also shows rapid recovery ability without hysteresis phenomenon in strong acidic environment, good reproducibility and durability. the interaction between the independently crosslinked paa network and paam network plays a significant role in determining the response performance. (c) 2010 elsevier inc. all rights reserved.
收录类别SCI收录期刊论文
语种英语
WOS记录号WOS:000284391600020
公开日期2012-06-11
内容类型期刊论文
源URL[http://ir.ciac.jl.cn/handle/322003/44888]  
专题长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
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Wang JY,Han YC. Tuning the stop bands of inverse opal hydrogels with double network structure by controlling the solvent and pH[J]. journal of colloid and interface science,2011,353(2):498-505.
APA Wang JY,&Han YC.(2011).Tuning the stop bands of inverse opal hydrogels with double network structure by controlling the solvent and pH.journal of colloid and interface science,353(2),498-505.
MLA Wang JY,et al."Tuning the stop bands of inverse opal hydrogels with double network structure by controlling the solvent and pH".journal of colloid and interface science 353.2(2011):498-505.
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