Page 92 - 《精细化工》2021年第1期

·82· 精细化工 FINE CHEMICALS 第 38 卷

当石墨烯含量为 6%时，涂层的腐蚀电流密度为 of epoxy resin cured with polyethylene polyamine[J]. Adhesion (粘
–2
2
–6
8.482×10 A/cm ，腐蚀速率为 6.593×10 mm/a，防 接), 2018, 39(1): 47-49, 53.
腐性能最佳。因此，选取石墨烯最佳含量为 6%。 [6] XIN H (辛华), ZHAO X (赵星), REN Q H (任庆海), et al. Preparation
and properties of modified graphene/natural rubber composite
materials[J]. Fine Chemicals (精细化工), 2017, 34(5): 513-518.
表 5 涂层在质量分数为 3.5% NaCl 溶液中的腐蚀速率 [7] KALENDOVÁ A, SAPURINA I, STEJSKAL J, et al. Anticorrosion
Table 5 Corrosion rates of coatings in mass fraction of properties of polyaniline-coated pigments in organic coatings[J].
3.5% NaCl solution
Corrosion Science, 2008, 50(12): 3549-3560.
2
石墨烯含量/% 腐蚀电流密度/(A/cm ) 腐蚀速率/(mm/a) [8] MO M T, ZHAO W J, CHEN Z F, et al. Excellent tribological and anti-
–1
0 2.741×10 –5 2.131×10 corrosion performance of polyurethane composite coatings reinforced
with functionalized graphene and graphene oxide nanosheets[J]. RSC
–5
–1
2 2.274×10 1.177×10
Advances, 2015, 5(70): 56486-56497.
–2
4 9.693×10 –6 7.553×10
[9] LIU D, ZHAO W J, LIU S, et al. Comparative tribological and corrosion
–2
6 8.482×10 –6 6.593×10 resistance properties of epoxy composite coatings reinforced with
–2
8 4.620×10 –6 3.591×10 functionalized fullerene C60 and graphene[J]. Surface and Coatings
Technology, 2016, 286: 354-364.
[10] JIANG S, LIU Z X, JIANG D Y, et al. Graphene as a nanotemplating
3 结论 auxiliary on the polypyrrole pigment for anticorrosion coatings[J].
High Performance Polymers, 2016, 28(6): 747-757.
以 E42 为基料与石墨烯复合，用腰果酚改性酚 [11] DING J H, RAHMAN O U, PENG W, et al. A novel hydroxyl epoxy
醛胺为固化剂制备了防腐涂料。该研究提高了防腐 phosphate monomer enhancing the anticorrosive performance of
waterborne graphene/epoxy coatings[J]. Applied Surface Science,
涂料实际使用的可行性。结果表明，在腰果酚改性
2017, 427: 981-991.
酚醛胺含量为 25%、石墨烯含量为 6%、固化温度为 [12] SOMAYEH M, FARAMARZ A T, HOMEIRA S, et al. Electrochemical
80 ℃条件下，制备的涂层的力学性能及防腐性能最 and anticorrosion behavior of functionalized graphite nanoplatelets
佳。此时涂层的硬度为 2H，附着力为 0 级，涂层抗 epoxy coating[J]. Journal of Industrial and Engineering Chemistry,
冲击时，在 100 cm 高度其表面不发生裂纹，涂层在 2014, (20): 4124-4139.
[13] LU G F (鹿桂芳), YANG X C (杨秀春), LI P J (李佩瑾), et al.
120°下弯曲不发生脱落现象，并且涂层的腐蚀电流密
Advance in amine cure agent for epoxy resin modified by phenal and
–2
–6
2
度为 8.482×10 A/cm ，腐蚀速率为 6.593×10 mm/a， aldehyde[J]. Chemistry and Adhesion (化学与黏合), 2005, 27(4):
防腐性能最佳。 233-236.
[14] MIŠKOVIĆ-STANKOVIĆ V, JEVEREMOVIĆ I, JUNG I, et al.
参考文献： Electrochemical study of corrosion behavior of graphene coatings on
[1] GU H B, CAO M, GU J W, et al. An overview of multifunctional copper and aluminum in a chloride solution[J]. Carbon, 2014, 75:
epoxy nanocomposites[J]. Journal of Materials Chemistry C, 2016, 335-344.
4(25): 5890-5906. [15] SAW W P S, MARIATTI M. Properties of synthetic diamond and
[2] LIU G C (刘广程), LIN L H (林岚辉), LIU Y Z (刘宇哲), et al. graphene nanoplatelet-filled epoxy thin film composites for electronic
Research progress in epoxy resin coated anticorrosive filler[J]. applications[J]. Journal of Materials Science: Materials in Electronics,
Technology Wind (科技风), 2019, (20): 275. 2012, 23(4): 817-824.
[3] FU W L (付琬璐), SHI S N (史胜南), GE J (葛晶), et al. Research [16] YU K J, WANG M L, QIAN K, et al. The synergy effect of
progress in epoxy resin coated anticorrosive filler[J]. Modern Chemical graphene/SiO 2 hybrid materials on reinforcing and toughening epoxy
Industr (现代化工), 2020, 40(5): 56-57, 62. resin[J]. Fibers and Polymers, 2016, 17(3): 453-459.
[4] CHEN Y (陈宇). Prepartion of carbon nanomaterials/epoxy composites [17] DING R, WANG X, JIANG J M, et al. Study on evolution of coating
and their electromagnetic interference shielding and mechanical state and role of graphene in graphene-modified low-zinc waterborne
propertied[D]. Beijing: Beijing University of Chemical Technology epoxy anticorrosion coating by electrochemical impedance
(北京工业大学), 2016. spectroscopy[J]. Journal of Materials Engineering and Performance,
[5] CUI D X (崔东霞). Influence of cardanol-modification on properties 2017, 26(7): 3319-3335.