Page 104 - 《精细化工》2021年第3期

·524· 精细化工 FINE CHEMICALS 第 38 卷

2.7 双负载核壳水凝胶循环降解 MB Materials, 2020, 400:123314.
[4] GANG T, WANG Y J, CAI R, et al. Design and performance of
C-80-S-2.5 水凝胶对 MB 的循环降解结果见图
sericin/poly(vinyl alcohol) hydrogel as a drug delivery carrier for
9。降解实验结束后，对核壳水凝胶进行过滤分离， potential wound dressing application[J]. Materials Science &
将回收的 C-80-S-2.5 水凝胶用去离子水洗涤 3 次后， Engineering C-Materials for Biological Applications, 2019, 101:
341-351.
重复降解实验，测试每次对 MB 的降解性能。未负 [5] QIAO Y, XU S C, ZHU T Z, et al. Preparation of printable
载核壳水凝胶对 MB 仅有吸附能力，无降解能力， double-network hydrogels with rapid self-healing and high elasticity
在达到最大吸附量后不能再进行 MB 的去除。双负 based on hyaluronic acid for controlled drug release[J]. Polymer,
2019, 186: 121994.
载水凝胶对 MB 的降解率随使用次数的增加有所下 [6] XIE B M (谢标明), ZHU H K (朱和康), YANG Y (杨越), et al.
降，在 4 次实验后仍有 68.97%的 MB 降解率，循环 Synthesis of poly(acrylic acid)/graphene oxide composite hydrogels
and their adsorption properties for methylene blue dye[J]. Fine
降解效果较稳定，有利于回收再利用。 Chemicals (精细化工), 2018, 35(1): 108-117.
[7] GE C L, LING Y, YAN S J, et al. Preparation and mechanical
properties of strong and tough poly(vinyl alcohol)-polypeptide
double-network hydrogels[J]. European Polymer Journal, 2018, 99:
504-510.
[8] WANG W, ZHAO Y L, BAI H Y, et al. Methylene blue removal from
water using the hydrogel beads of poly(vinyl alcohol)-sodium
alginate-chitosan-montmorillonite[J]. Carbohydrate Polymers, 2018,
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[9] MAIJAN P, AMORNPITOKSUK P, CHANTARAK S. Synthesis and
characterization of poly(vinyl alcohol-g-acrylamide)/SiO 2@ZnO
photocatalytic hydrogel composite for removal and degradation of
methylene blue[J]. Polymer, 2020, 203: 122771.
[10] OU K K, DONG X, QIN C L, et al. Properties and toughening
mechanisms of PVA/PAM double-network hydrogels prepared by
图 9 C-80-S-2.5 水凝胶对 MB 的循环降解
freeze-thawing and anneal-swelling[J]. Materials Science and
Fig. 9 Recyclability of C-80-S-2.5 hydrogel Engineering: C, 2017, 77: 1017-1026.

[11] BARDESTANI R, ROY C, KALIAGUINE S. The effect of biochar
mild air oxidation on the optimization of lead(Ⅱ) adsorption from
3 结论 wastewater[J]. Journal of Environmental Management, 2019, 240(15):
404-420.
（1）制备了 YE 和 TiO 2 NPs 同时双负载的、三 [12] PATEL H. Charcoal as an adsorbent for textile wastewater treatment[J].
维网状结构、核壳交界清晰可辨的多功能水凝胶。 Separation Science and Technology, 2018, 53(17): 2797-2812.
[13] WANG Q Y, WANG Y X, CHEN L Y. A green composite hydrogel
YE 在核中分布均匀且具有活性；TiO 2 NPs 包埋在壳 based on cellulose and clay as efficient absorbent of colored organic
中且与壳材料直接存在相互作用力。 effluent[J]. Carbohydrate Polymers, 2019, 210: 314-321.
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（2）MB 降解实验表明，MB 进入水凝胶后先
Fabrication of lanthanum and nitrogen-co-doped SrTiO 3-TiO 2 hetero
由核内包覆的 YE 降解，当色度降低利于光透过时， structured macroporous monolithic materials for photocatalytic
负载在壳外的 TiO 2 NPs 进一步降解 MB，实现分步 degradation of organic dyes under visible light[J]. Journal of Alloys
& Compounds An Interdisciplinary Journal of Materials Science &
逐级降解 MB，MB 最大降解率可达 96.65%，达到 Solid State Chemistry & Physics, 2017, 699: 144-150.
了良好的去除效果。并通过循环降解实验展示了稳 [15] WAN Y (万豫), ZHANG M (张敏), WENG Y X (翁云宣), et al. Effect
of porogenic of yeast on adsorption and degradation of PVA/CMC
定的回收利用能力。
hydrogel[J]. CIESC Journal (化工学报), 2020, 71(4): 1828-1835.
（3）YE 和 TiO 2 NPs 同时双负载的水凝胶对 MB [16] ZHANG M (张敏), YANG Y (杨鱼), LI C T (李成涛), et al. Effect
的降解表明，制备得到的双负载核壳水凝胶在降解 of porogenic of yeast on adsorption and degradation of PVA/CMC
hydrogel[J]. Fine Chemicals (精细化工), 2017, 34(5): 505-512, 518.
各种有机污染物方面具有很高的应用潜力。 [17] ZHANG M, WAN Y, WENG Y X, et al. A novel poly(vinyl
alcohol)/carboxymethyl cellulose/yeast double degradable hydrogel
参考文献： with yeast foaming and double degradable property[J]. Ecotoxicology
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stretchable double network (DN) hydrogels of PVA-borax and [18] BAGHERI N, LAKOURAJ M M, HASANTABAR V, et al.
P(AM-HEMA) and study of their swelling kinetics and mechanical Biodegradable macro-porous CMC-polyaniline hydrogel: Synthesis,
properties[J]. Polymer, 2017, 119: 263-273. characterization and study of microbial elimination and sorption
[2] WANG X P (王向鹏), ZHENG Y X (郑云香), ZONG L N (宗丽娜), capacity of dyes from waste water[J]. Journal of Hazardous Materials,
et al. Preparation of EDTA modified P(AA-AMPS)/SA hydrogels 2021, 403: 123631.
2+
with hydrolysis resistance and its adsorption properties of Cu and [19] HUANG B X, HU R, XUE Z H, et al. Continuous liquid interface
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Cr [J]. Fine Chemicals (精细化工), 2020, 37(4): 727-733, 740. production of alginate/polyacrylamide hydrogels with supramolecular
[3] MOKREMA M, LEE D S. Photocatalytic degradation of methylene shape memory properties[J]. Carbohydrate Polymers, 2020, 231:
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using response surface methodology[J]. Journal of Hazardous （下转第 565 页）