Page 215 - 《精细化工》2022年第4期
P. 215

第 4 期                        杨振声,等:  乙氧基化咪唑啉阻锈剂的制备及性能                                    ·851·


            低了咪唑啉结构对净浆流动性的影响。根据图 11 测                          大,阻锈剂的添加使得电荷转移电阻逐渐增大。扫
            定的数据发现,乙氧基化咪唑啉阻锈剂质量分数的                             描电镜观察腐蚀形貌表明该阻锈剂在混凝土中能很
            增加,会使水泥净浆的流动度略微降低,当添加质                             好地吸附到碳钢表面成膜,使碳钢表面更加平滑,
            量分数 5%乙氧基化咪唑啉阻锈剂时,30 s 和 60 min                    保护碳钢免受腐蚀介质的侵蚀。
            测定水泥净浆的流动度为 250.3 和 240.0 mm,与零                       (3)水泥净浆流动度测试,通过对比两种咪唑
            添加相比减少了 4.7 和 6.0 mm。这可能是阻锈剂质量                     啉阻锈剂可知,乙氧基化咪唑啉对水泥净浆流动度
            分数的增大增强了咪唑啉结构与水分子之间相互作                             的影响远小于普通咪唑啉对其的影响。表明乙氧基
            用,对水分子的排斥作用增强,导致水泥的分散性、                            长链的加成,大大增强了咪唑啉结构的亲水性能,
            自由性相应减少,降低了水泥净浆的流动度。水泥净                            该阻锈剂在本实验研究的质量分数范围内对水泥净
            浆流动度在 220~260 mm 是水泥实际应用的最佳范                       浆的流动度无不利影响。
            围 [32] ,因此,乙氧基化咪唑啉阻锈剂在适用范围内,
                                                               参考文献:
            不会损害水泥净浆的流动度。
                                                               [1]   LIU J L (刘俊麟), ZHANG M T (章玫婷), CHEN S T (陈淑婷), et al.
                                                                   Research progress in anti-corrosive  materials of metal surface[J].
                                                                   Technology Wind (科技风), 2021, (19): 181-182.
                                                               [2]   JING Y F (荆艳飞). Analysis on external corrosion mechanism of
                                                                   buried metal pipeline in oil field[J]. Total Corrosion Control (全面腐
                                                                   蚀控制), 2021, 35(8): 132-134.
                                                               [3]   KOCH G.  Trends in oil and gas corrosion research and
                                                                   technologies[M]. Cambridgeshire:Woodhead Publishing  Series in
                                                                   Energy, 2017.
                                                               [4]   HOU B R, LI X G, MA X M, et al. The cost of corrosion in China[J].
                                                                   NPJ Materials Degradation, 2017, 4(1): 1-10.
                                                               [5]   KOCH G H, BRONGERS M P H, THOMPSON N G. Handbook of
                                                                   environmental degradation  of materials[M]. Amsterdam:Elsevier
                                                                   Incorporatednc, 2005.
                                                               [6]   FENG N Q (冯乃谦), NIU Q L (牛全林), LI C Z (李崇智), et al.
                                                                   Research on concrete durability disease syndrome and its prevention
                                                                   [J]. China Building Materials (中国建材), 2004, 25(2): 76-77.
                                                               [7]   QIN W Z (覃维祖). Holistic theory of durability of concrete structure
                                                                   [J]. Architecture Technology (建筑技术), 2000, 34(1): 19-22.
                                                               [8]   TIAN H W (田惠文). Study on the anti-corrosion performance and
                                                                   mechanism of the environment-friendly rust inhibitor for reinforcing
                                                                   steel bar[D]. Beijing:University of Chinese Academy of Sciences (中
                                                                   国科学院大学), 2012.
                                                               [9]   REN T G (任铁钢), SUN H S (苏慧双), LIU Y (刘月), et al. Research
                                                                   progress of metal rust inhibitors[J]. Chemical Research (化学研究),
                                                                   2018, 29(4): 331-342.
                                                               [10]  SOEYLEV  T  A,  RICHARDSON M  G. Rust inhibitors for steel in
                            a—30 s;b—60 min                        concrete: State-of-the-art report[J]. Construction & Building Materials,
            图 11   不同质量分数的普通咪唑啉阻锈剂和乙氧基化咪                           2008, 22(4): 609-622.
                   唑啉阻锈剂的水泥净浆流动度                               [11]  CAO Z L (曹忠露), XIAO P (肖鹏), HIBINO M (日比野诚).
            Fig. 11    Fluidity of cement paste of ordinary imidazoline rust   Application research review on nitrite-based corrosion inhibitors[J].
                   inhibitor and ethoxylated imidazoline rust inhibitor   Concrete (混凝土), 2011, (10): 49-54.
                   with different mass fractions               [12]  BROWN M C, WEYERS R E, SPRINKEL M M. Effect of corrosion
                                                                   inhibiting admixtures on material properties of concrete[J]. ACI
                                                                   Materials Journal, 2001, 98(3): 240-250.
            3   结论                                             [13]  BRYAN N S, ALEXANDER D D, COUGHLIN J R, et al. Ingested
                                                                   nitrateand nitrite and stomach cancer risk: An updated review[J].
                (1)通过酰胺化、环化反应生成咪唑啉中间体,                             Food Chem Toxicol, 2012, 50(10): 3646-3665.
                                                               [14]  MENG Y, NING W, XU B, et al. Inhibition of mild steel corrosion in
            再聚合加成环氧乙烷得到乙氧基化咪唑啉阻锈剂,                                 hydrochloric acid using two novel pyridine Schiff base derivatives: A
            通过红外、核磁表征证明合成了相应的目标产物。                                 comparative study  of experimental and theoretical results[J]. RSC
                                                                   Advances, 2017, 7(68): 43014-43029.
                (2)通过失重法、盐水浸渍法、盐水浸烘实验、
                                                               [15]  WEI X J (魏晓静), SHI X (石鑫), GE P L (葛鵬莉), et al. Molecular
            极化曲线表明该阻锈剂具有良好的阻锈性能,是以                                 simulation of imidazoline corrosion inhibition by  modification[J].
            抑制阳极反应为主的混合型阻锈剂,当质量分数为                                 Journal of Molecular Science (分子科学学报), 2021,  37(4): 352-
                                                                   359.
            4%时,碳钢的阻锈效率达到 99.13%。阻抗测试表
                                                               [16]  YAN J J (阳建君), KUANG H (旷焕), FAN C H (范才河), et al. Study
            明随着阻锈剂质量浓度的增大,容抗弧也在不断增                                 on corrosion behavior of 2A96 Al alloy in NaCl solution at different
   210   211   212   213   214   215   216   217   218   219   220