Page 114 - 《精细化工》2021年第4期

·748· 精细化工 FINE CHEMICALS 第 38 卷

失去黏性，从而使被黏附物体脱落。 [5] CHUNG J E, YOKOYAMA M, YAMATO M, et al. Thermo-
responsive drug delivery from polymeric micelles constructed using
block copolymers of poly(N-isopropylacrylamide) and
poly(butylmethacrylate)[J]. Journal of Controlled Release, 1999,
62(1/2): 115-127.
[6] WANG J (王静), LIU H K (刘红科), LIU P S (刘平生), et al.
Research progress of high-strength hydrogel nanocomposites[J].
Materials Reports (材料导报), 2018, 32(1): 67-75.
[7] LI Z (黎朝), YU L (於麟), ZHENG Z (郑震), et al. Functionlization
of high-strength hydrogels with regular network structures[J].
Progress in Chemistry (化学进展), 2017, 29(7): 706-719.
[8] HARAGUCHI K, LI H J, MATSUDA K, et al. Mechanism of
forming organic/inorganic network structures during in-situ free-
radical polymerization in PNIPA-clay nanocomposite hydrogels[J].
Macromolecules, 2005, 38(8): 3482-3490.
[9] HARAGUCHI K, LI H J. Mechanical properties and structure of
polymer-clay nanocomposite gels with high clay content[J].

a—L-PNIPAM-12.0 水凝胶；b—L-PNIPAM/GO-12.0-0.21 水凝胶 Macromolecules, 2006, 39(5): 1898-1905.
[10] LIAN C, ZHANG E, WANG T, et al. Binding interaction and
图 10 水凝胶的光控脱附示意图
Fig. 10 Schematic diagram of light-controlled desorption gelation in aqueous mixtures of poly(N-isopropylacrylamide) and
hectorite clay[J]. Journal of Physical Chemistry B, 2015, 119(2):
of the hydrogels
612-619.
[11] DE FRANCE K J, CRANSTON E D, HOARE T. Mechanically
3 结论 reinforced injectable hydrogels[J]. ACS Applied Polymer Materials,
2019, 2(3): 1016-1030.
采用锂藻土为物理交联剂、GO 为光热转换试 [12] SUN X, YAO F, LI J. Nanocomposite hydrogel-based strain and
剂，通过 NIPAM 原位聚合制备了近红外光响应 pressure sensors: A review[J]. Journal of Materials Chemistry A,
2020, 8(36): 18605-18623.
L-PNIPAM/GO 水凝胶。以锂藻土为物理交联剂的水 [13] ZHANG N (张宁), SHAN G R (单国荣). Near-infrared light and
凝胶具有较好的拉伸性能；GO 的引入不仅使水凝 temperature responsive nanocomposite hydrogel[J]. CIESC Journal
(化工学报), 2018, 69(11): 4862-4868.
胶具有光热响应性，还可以充当交联点。锂藻土和
[14] LI M H, BAE J. Tunable swelling and deswelling of temperature-and
GO 含量分别为 NIPAM 质量的 12.0%和 0.21%时， light-responsive graphene oxide-poly(N-isopropylacrylamide) composite
制备的 L-PNIPAM/GO-12.0-0.21 水凝胶拉伸强度为 hydrogels[J]. Polymer Chemistry, 2020, 11(13): 2332-2338.
[15] WARREN D S, SUTHERLAND S P H, KAO J Y, et al. The
123.98 kPa，断裂伸长率为 1181%，呈现较好的力学 preparation and simple analysis of a clay nanoparticle composite
性能。L-PNIPAM/GO-12.0-0.21 水凝胶具有光热效 hydrogel[J]. Journal of Chemical Education, 2017, 94(11): 1772-
1779.
应，其 VPTT 为 36 ℃；经 2 W 808 nm NIR 照射，
[16] HARAGUCHI K, TAKEHISA T, FAN S. Effects of clay content on
300 s 内温度可以从 20.3 ℃升高到 48.5 ℃，在光控 the properties of nanocomposite hydrogels composed of poly(N-
流体开关及光控脱附方面具有一定的应用潜力。 isopropylacrylamide) and clay[J]. Macromolecules, 2002, 35(27):
10162-10171.
参考文献： [17] HARAGUCHI K, LI H J. Mechanical properties and structure of
polymer-clay nanocomposite gels with high clay content[J].
[1] YAN H (严昊), TANG P (唐萍), LI S H (李书宏), et al. Research Macromolecules, 2006, 39(5): 1898-1905.
progress of biomimetic anisotropic poly(N-isopropylacrylamide) [18] LI S, QIN H L, ZHANG T, et al. Highly tough bioinspired ternary
hydrogel intelligent response actuator[J]. Chemical Journal of hydrogels synergistically reinforced by graphene/xonotlite network[J].
Chinese Universities (高等学校化学学报), 2020, 41(5): 936-946. Small, 2018, 14(22): 1800673.
[2] LIU Y (刘阳), YIN Y L (尹玉利), HE Y (贺艳). Research and [19] LING J, LI N, YANG X, et al. Strengthening mechanism of poly
application progress of poly(N-isopropylacrylamide) temperature- (acrylamide)/graphene oxide/laponite dual nanocomposite
sensitive hydrogel[J]. Polymer Bulletin (高分子通报), 2019, (7): hydrogels[J]. Journal of Applied Polymer Science, 2017, 134(24):
13-19. 44963.
[3] ZHANG W (张伟), LIAO Z F (廖正芳), A E P D·AI NIWAER (阿尔 [20] CHOUHAN D K, PATRO T U, HARIKRISHNAN G, et al.
普丁·艾尼娃尔), et al. Preparation and properties of a luminescent Graphene oxide-laponite hybrid from highly stable aqueous
thermo-sensitive hydrogel doped with upconversion nanoparticles[J]. dispersion[J]. Applied Clay Science, 2016, 132: 105-113.
Fine Chemicals (精细化工), 2020, 37(2): 270-277. [21] YANG J, HU D D, ZHANG H. Preparation and thermally induced
[4] GU J X, XIA F, WU Y, et al. Programmable delivery of hydrophilic adhesion properties of a poly(vinyl alcohol)-g-N-isopropylacrylamide
drug using dually responsive hydrogel cages[J]. Journal of Controlled copolymer membrane[J]. Reactive and Functional Polymers, 2012,
Release, 2007, 117(3): 396-402. 72(7): 438-445.