Page 179 - 《精细化工》2021年第3期

第 3 期 高党鸽，等: 锌铝水滑石的制备及其在制革少铬鞣中的应用 ·599·

鞣制作用主要为鞣剂分子在胶原分子间形成多 leather industry in the new era[J]. Western leather (西部皮革), 2019,
点交联而起到稳定胶原结构的作用，进而在宏观上 15: 131-132.
[2] LI K J, YU R Q, ZHU R X, et al. pH-sensitive and chromium- loaded
表现出增加皮胶原纤维多孔性、提高耐湿热稳定性 mineralized nanoparticles as a tanning agent for cleaner leather
和耐化学作用等。与普通的高吸收铬鞣助剂相比， production[J]. ACS sustainable Chemistry & Engineering, 2019,
7(9): 8660-8669.
ZnAl-LDH-4 可以以其自身的离子缺陷与胶原纤维上 [3] DING X L (丁晓良), SHAN Z H (单志华). On chromium tanning
的氨基羧基作用起到鞣制作用。当鞣制系统中加入 agent and application technology[J]. Leather and Chemical (皮革与
铬粉时，大量的铬离子不仅可以与皮胶原分子中的 化工), 2019, 36(1): 13-19, 24.
[4] ANGGRIYANI E, ZNUGROHO A R, ROSIATI N M. Technology of
羧基发生配位反应，沉积在皮胶原分子间形成多点 reducing Cr(Ⅵ) on leather processing using mimosa as retanning
交联作用，而且还能吸附在 ZnAl-LDH-4 的层板上 agent[J]. Leather and Footwear Journal, 2019, 19(1): 67-72.
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形成纳米复合物，在皮胶原纤维内部形成大量的多
release from chromium-tanned leather elicits allergic contact dermatitis:
点交联而起到稳定胶原结构的作用（如图 6 所示）。 A use test study[J]. Contact Dermatitis, 2018, 78(5): 307-314.
[6] ANGGRIYANI E, ZNUGROHO A R, ROSIATI N M. Technology of
reducing Cr(Ⅵ) on leather processing using mimosa as retanning
agent[J]. Leather and Footwear Journal, 2019, 19(1): 67-72.
[7] JIA X Q (贾喜庆), WEN H T (温会涛), YANG Y Q (杨义清), et al.
Study on technology of melamine-modified glutaraldehyde-Cr
combined tanning[J]. Chinese Leather (中国皮革), 2019, 48(6):
24-31, 37.
[8] HU H Y (胡浩岩), LYU S H (吕生华), LEI Y (雷颖), et al. MIL-
53(Fe) synthesis and tanning properties of iron-based metal-organic
framework materials[J]. Fine Chemicals (精细化工), 2019, 36(5):
963-970.
[9] LI Z, ZHANG Q W, LIU X Z, et al. One-step mechanochemical
synthesis of plasmonic Ag/Zn-Al LDH with excellent photocatalytic
activity[J]. Journal of Materials Science, 2018, 53(18): 12795-12806.
[10] ZHANG H J, LI X P, ANGELIKA H, et al. Bifunctional
heterostructure assembly of NiFe LDH nanosheets on NiCoP
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Advanced Functional Materials, 2018, 28(14): 1706847.
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supported on MgAl-LDH-decorated reduced graphene oxide: Enhanced
performance in Cr(Ⅵ) removal, mechanism and regeneration[J].
Journal of Hazardous Materials, 2019, 373: 176-186.
图 6 ZnAl-LDH-4 配合 2%铬粉与皮胶原纤维作用机理 [12] HU H J, LIU J Y, XU Z H, et al. Hierarchical porous Ni/Co-LDH
Fig. 6 Mechanism schematic diagram of ZnAl-LDH-4 with hollow dodecahedron with excellent adsorption property for congo
2% chrome powder leather collagen fiber red and Cr(Ⅵ) ions[J]. Applied Surface Science, 2019, 478: 981-990.

[13] ZHENG Y Q, CHENG B, YOU W, et al. 3D hierarchical graphene
3 结论 oxide-NiFe LDH composite with enhanced adsorption affinity to
congo red, methyl orange and Cr(Ⅵ) ions[J]. Journal of Hazardous
Materials, 2019, 369: 214-225.
采用共沉淀法合成了 ZnAl-LDH，将其直接与 [14] DENG L, SHI Z, PENG X X. Adsorption of Cr(Ⅵ) onto a magnetic
2% 铬粉配 合应用于 制革鞣制 工艺中。 在 n CoFe 2O 4/MgAl-LDH composite and mechanism study[J]. RSC
Advances, 2015, 5(61): 49791-49801.
〔Zn(NO 3 ) 2 •6H 2 O〕∶n〔Al(NO 3 ) 3 •9H 2 O〕=2.0∶1.0，
[15] CAO S, LIU B, CHENG B Z, et al. Mechanisms of Zn(Ⅱ) binded to
陈化时间为 6 h 的条件下，制备的 ZnAl-LDH-4（用量 collagen and its effect on the capacity of eco-friendly Zn-Cr
为 4%）配合 2%铬粉鞣制坯革的鞣制性能最佳。与 2% combination tanning system[J]. Journal of Hazardous Materials,
2017, 321: 203-209.
铬粉鞣制坯革相比，T S 可以从 75 ℃提高到 94 ℃， [16] GAO D G, CHENG Y M, WANG P P, et al. An eco-friendly approach
Cr 2 O 3 质量浓度从 99.58 mg/L 降低到 46.98 mg/L， for leather manufacture based on P(POSS-MAA)-aluminum tanning
且鞣后坯革增厚率、力学性能均有提升，鞣后废液 agent combination tannage[J]. Journal of Cleaner Production, 2020,
257: 120546.
中 COD 质量浓度降至约 3500 mg/L、BOD 质量浓度 [17] LINGHU W S, YANG H, SUN Y X, et al. One-pot synthesis of LDH/
可降至约 800 mg/L。该研究拓展了 LDH 在皮革工 GO composites as high effective adsorbent for the decontamination
of U(Ⅵ)[J]. ACS Sustainable Chemistry & Engineering, 2017, 5(6):
业中的应用，也为制革少铬鞣研究提供了新的思路。 7b01303.
[18] National Leather Industry Standardization Technical Committee.
参考文献： Garment leather: QB/T 1872—2004[S]. Beijing: China Standard
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