Page 226 - 《精细化工》2023年第8期

·1840· 精细化工 FINE CHEMICALS 第 40 卷

涂层无明显差别。对比不同试样在盐水中浸泡 168 h [11] MONDRAGON G, SANTAMARIA-ECHART A, HORMAIZTEGUI
M E V, et al. Nanocomposites of waterborne polyurethane reinforced
后的外观形貌，无涂层钢板浸泡之后出现大面积生 with cellulose nanocrystals from sisal fibres[J]. Journal of Polymers
锈腐蚀现象（图 10e），样品 WPU-N-TMP 出现起 and the Environment, 2018, 26(5): 1869-1880.
[12] LU Y D (陆亚东), ZHANG P B (张萍波), JIANG P P (蒋平平), et al.
泡、发白现象（图 10f），样品 WPU-CNC-0.0 有少 Synthesis and preparation of carboxylic-acid-type waterborne
polyurethane modified with nano-cellulose whiskers[J]. China
量起泡现象，总体腐蚀轻微（图 10g）。试样 Plastics (中国塑料), 2019, 33(2): 75-81.
WPU-CNC-1.5 在浸泡后未出现起泡、开裂、剥落、 [13] ABD El-FATTAH M, HASAN A M A, KESHAWY M, et al.
Nanocrystalline cellulose as an eco-friendly reinforcing additive to
明显变色和明显失光现象(图 10h)，耐腐蚀性能优良。 polyurethane coating for augmented anticorrosive behavior[J].
Carbohydrate Polymers, 2018, 183: 311-318.
3 结论 [14] LEI W Q, ZHOU X, FANG C Q, et al. Eco-friendly waterborne
polyurethane reinforced with cellulose nanocrystal from office waste
paper by two different methods[J]. Carbohydrate Polymers, 2019,
（1）交联剂 TMP 与改性 CNC 的协同作用使 WPU 209:299-309.
[15] ZHANG P B, LU Y D, FAN M M, et al. Modified cellulose
基复合材料内部交联度提高，WPU 干燥成膜过程中 nanocrystals enhancement to mechanical properties and water
的缩孔明显减少，复合材料成膜更加致密。复合材 resistance of vegetable oil-based waterborne polyurethane[J]. Journal
of Applied Polymer Science, 2019, 136(47): 48228.
料拉伸强度得到提高，水接触角增大，耐水性大幅 [16] WANG X Y, CUI Y, WANG Y N, et al. Preparation and characteristics of
crosslinked fluorinated acrylate modified waterborne polyurethane
提升。通过电化学及腐蚀浸泡实验证实了复合膜层在 for metal protection coating[J]. Progress in Organic Coatings, 2021,
模拟海水体系中的耐腐蚀性能得到显著改善。 158: 106371.
[17] CHEN C, WEI S C, XIANG B, et al. Synthesis of silane functionalized
（2）通过系列实验，确定 TMP（含量 2.0%） graphene oxide and its application in anti-corrosion waterborne
与改性 CNC（含量 1.5%）共同添加制备的 CNC/WPU polyurethane composite coatings[J]. Coatings, 2019, 9(9): 587.
[18] YEH T C, HUANG T C, HUANG H Y, et al. Electrochemical
复合材料性能最优。该条件下，WPU 复合薄膜的拉 investigations on anticorrosive and electrochromic properties of
electroactive polyurea[J]. Polymer Chemistry, 2012, 3(8): 2209-2216.
伸强度达到最大（35.2 MPa），材料的吸水率降至最 [19] DAI H J, OU S Y, HUANG Y, et al. Utilization of pineapple peel for
–8
2
低 6.0 %左右，腐蚀电流降到 9.76×10 A/cm ，阻抗 production of nanocellulose and film application[J]. Cellulose, 2018,
25(3): 1743-1756.
7
2
谱容抗弧半径达到 3.15×10 Ω·cm 。本文为综合性 [20] SANTAMARIA-ECHART A, UGARTE L, ARBELAIZ A, et al.
能优良的 WPU 防腐蚀涂料的制备提供了新的思路。 Modulating the microstructure of waterborne polyurethanes for
preparation of environmentally friendly nanocomposites by incorporating
cellulose nanocrystals[J]. Cellulose, 2017, 24(2): 823-834.
参考文献： [21] LI W X, JU B Z, ZHANG S F. Novel amphiphilic cellulose
nanocrystals for pH-responsive Pickering emulsions[J]. Carbohydrate
[1] NOREEN A, ZIA K M, ZUBER M, et al. Recent trends in Polymers, 2020, 229: 115401.
environmentally friendly water-borne polyurethane coatings: A [22] WANG Y L, ZHANG C B, XU N, et al. Synthesis and properties of
review[J]. Korean Journal of Chemical Engineering, 2016, 33(2):
388-400. organoboron functionalized nanocellulose for crosslinking low
[2] YANG J J (杨建军), CHEN H Y (陈虹雨), WU Q Y (吴庆云), et al. polymer fracturing fluid system[J]. RSC Advances, 2021, 11(22):
13466-13474.
Latest research progress of modified waterborne polyurethane anticorrosive [23] FERNANDES S C, SADOCCO P, CAUSIO J, et al. Antimicrobial
coatings[J]. Fine Chemicals (精细化工), 2021, 38(10): 1981-1987. pullulan derivative prepared by grafting with 3-aminopropy-
[3] DE LUNA M S. Recent trends in waterborne and bio-based polyurethane ltrimethoxysilane: Characterization and ability to form transparent
coatings for corrosion protection[J]. Advanced Materials Interfaces,
2022, 9(11): 2101775. films [J]. Food Hydrocolloids, 2014, 35: 247-252.
[4] YU Z X, DI H H, MA Y, et al. Preparation of graphene oxide [24] CHOO K W, DHHITAL R, MAO L, et al. Development of polyvinyl
modified by titanium dioxide to enhance the anti-corrosion performance alcohol/chitosan/modified bacterial nanocellulose films incorporated
with 4-hexylresorcinol for food packaging applications[J]. Food
of epoxy coatings[J]. Surface and Coatings Technology, 2015, 276: Packaging and Shelf Life, 2021, 30: 100769.
471-478.
[5] LIAO L Y, LI X Y, WANG Y, et al. Effects of surface structure and [25] ZANINI M, LAVORATTI A, LAZZARI L K, et al. Producing
morphology of nanoclays on the properties of Jatropha curcas aerogels from silanized cellulose nanofiber suspension [J]. Cellulose,
oil-based waterborne polyurethane/clay nanocomposites[J]. Industrial 2017, 24(2): 769-779.
& Engineering Chemistry Research, 2016, 55(45): 11689-11699. [26] GONG J, MO L H, LI J. A comparative study on the preparation and
[6] CHEN X Y, YUAN J H, HUANG J, et al. Large-scale fabrication of characterization of cellulose nanocrystals with various polymorphs
superhydrophobic polyurethane/nano-Al 2O 3 coatings by suspension [J]. Carbohydrate Polymers, 2018, 195:18-28.
flame spraying for anti-corrosion applications[J]. Applied Surface [27] AHVENAINEN P, KONTRO I, SVEDSTR M K. Comparison of
Science, 2014, 311: 864-869. sample crystallinity determination methods by X-ray diffraction for
[7] LIN J M (林家明), LIU W Q (刘伟区), LIANG L Y (梁利岩), et al. challenging cellulose Ⅰ materials [J]. Cellulose, 2016, 23(2):
Preparation and properties of modified hexagonal boron nitride/ 1073-1086.
waterborne polyurethane coatings[J]. Fine Chemicals (精细化工), [28] GE L, YIN J J, YAN D W, et al. Construction of nanocrystalline
2021, 38(10): 2132-2140. cellulose-based composite fiber films with excellent porosity
[8] DOMINGUES R M, GOMES M E, REIS R L. The potential of performances via an electrospinning strategy[J]. ACS Omega, 2021,
cellulose nanocrystals in tissue engineering strategies[J]. 6(7): 4958-4967.
Biomacromolecules, 2014, 15(7): 2327-2346. [29] HE Y J, BOLUK Y, PAN J S, et al. Comparative study of CNC and
[9] LIN N, HUANG J, DUFRESNE A. Preparation, properties and CNF as additives in waterborne acrylate-based anti-corrosion
applications of polysaccharide nanocrystals in advanced functional coatings[J]. Journal of Dispersion Science and Technology, 2020,
nanomaterials: A review[J]. Nanoscale, 2012, 4(11): 3274-3294. 41(13): 2037-2047.
[10] ZHANG P B, LU Y D, FAN M M, et al. Role of cellulose-based [30] MEKONNEN T H, HAILE T, LY M. Hydrophobic functionalization
composite materials in synergistic reinforcement of environmentally of cellulose nanocrystals for enhanced corrosion resistance of
friendly waterborne polyurethane[J]. Progress in Organic Coatings, polyurethane nanocomposite coatings[J]. Applied Surface Science,
2020, 147: 105811. 2021, 540: 148299.