Page 65 - 《精细化工》2020年第2期

第 2 期 张兆宇，等: 刺激响应型 Pickering 乳液的制备及应用进展 ·267·

随着水相 pH 变化，这种乳化/破乳作用可以经 studies in liquid-liquid dispersions[J]. The Canadian Journal of
历多个循环，而乳化剂的性能只略有下降。同时由 Chemical Engineering, 1998, 76: 486-494.
[9] BINKS B P, LUMSDON S O. Transitional phase inversion of
于 Au 纳米颗粒在油水界面的出色催化性能，乳液
solid-stabilized emulsions using particle mixtures[J]. Langmuir,
液滴的大界面面积以及 pH 可逆乳化/破乳循环，该 2000, 16: 3748-3756.
[10] BINKS B P, LUMSDON S O. Influence of particle wettability on the
Pickering 乳液可以用作催化微反应器，通过 NaBH 4
催化对硝基苯甲醚的还原反应，该催化剂显示出高 type and stability of surfactant-free emulsions[J]. Langmuir, 2000,
16(23): 8622-8631.
催化活性和良好的可回收性。 [11] HUANG F L, LIANG Y D, HE Y J. On the Pickering emulsions
stabilized by calcium carbonate particles with various
4 结语与展望 morphologies[J]. Colloids and Surfaces A: Physicochemical and
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综述了 Pickering 乳液稳定性影响因素、固体颗 [12] LIN Q, XU M D, CUI Z G, et al. Structure and stabilization
粒乳化剂的改性方法、刺激响应型 Pickering 乳液的 mechanism of diesel oil-in-water emulsions stabilized solely by either
positively or negatively charged nanoparticles[J]. Colloids and Surfaces
构建、调控及应用。可以预见设计新型固体颗粒乳
A: Physicochemical and Engineering Aspects, 2019, 573: 30-39.
化剂和新颖刺激响应型 Pickering 乳液的制备及应用 [13] FRELICHOWSKA J, BOLZINGER M A, CHEVALIER Y. Pickering
仍是研究热点。目前固体颗粒乳化剂的制备通常存 emulsions with bare silica[J]. Colloids and Surfaces A: Physicochemical
在合成和化学接枝步骤复杂、成本高、耗时长等缺 and Engineering Aspects, 2009, 343(1/2/3): 70-74.
[14] LI Q, ZHAO T T, LI M, et al. One-step construction of Pickering
点。作者认为未来的重点研究方向为：（1）非共价
emulsion via commercial TiO 2 nanoparticles for photocatalytic dye
作用改性固体颗粒及利用不同固体颗粒间的协同作 degradation[J]. Applied Catalysis B: Environmental, 2019, 249: 1-8.
用来丰富 Pickering 乳液乳化剂种类，使其具有普适 [15] LI C, LI Y X, SUN P D, et al. Pickering emulsions stabilized by
native starch granules[J]. Colloids and Surfaces A: Physicochemical
性；（2）目前常用的化学刺激触发 Pickering 乳液稳
and Engineering Aspects, 2013, 431: 142-149.
定性转化的方式（如 pH、离子浓度和盐浓度等）会 [16] SHAO P, ZHANG H Y, NIU B, et al. Physical stabilities of taro
破坏原有乳液体系物理性质且不利于乳液循环使 starch nanoparticles stabilized Pickering emulsions and the potential
用，应深入探索生产新型无毒、响应快、易调控、 application of encapsulated tea polyphenols[J]. International Journal
of Biological Macromolecules, 2018, 118: 2032-2039.
可循环使用的刺激响应型 Pickering 乳液；（3）虽然
[17] KLINKESORN U. The role of chitosan in emulsion formation and
Pickering 乳液在多领域具有潜在的应用，但目前实 stabilization[J]. Food Reviews International, 2013, 29(4): 371-393.
际使用范围较窄，今后应拓展 Pickering 乳液的应用 [18] SCHULZ P C, RODR G M S, DEL BLANCO L F, et al.
领域，尤其 Pickering 乳液在新材料开发及制备领域 Emulsification properties of chitosan[J]. Colloid and Polymer Science,
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的应用有待进一步探究和实践。
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Influence of the deacetylation degree on chitosan emulsification
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