Page 180 - 201807
P. 180
第 35 卷第 7 期 精 细 化 工 Vol.35, No.7
201 8 年 7 月 FINE CHEMICALS July 2018
建筑用化学品
ATO/GO 纳米复合材料的制备及性能
2
1
1*
1
李菁熠 1,2 ,李小瑞 ,朱 科 ,沈一丁 ,覃蜀迪
(1. 陕西科技大学 化学化工学院,陕西 西安 710021;2. 渭南师范学院,陕西 渭南 714099)
摘要:以氧化石墨烯(GO)为前体,通过氨丙基三乙氧基硅烷(KH550)将氧化锡锑(ATO)锚定到氧化石墨
烯片层上,制备得到氧化锡锑-氧化石墨烯纳米复合材料(ATO/GO)。通过高速分散法与水性环氧树脂乳液(AE)
共混,制备得到氧化锡锑-氧化石墨烯/水性环氧树脂复合乳液(ATO/GO-AE)。通过 XRD,XPS 和 SEM 对其结
构进行了表征。考察了 ATO/GO 含量对水性环氧涂料防腐及抗静电性能的影响。结果表明:随 ATO/GO 含量
9
的增加,复合涂料表面电阻降低,ATO/GO 质量分数等于 3.0%时,表面电阻降低至 1.0×10 Ω 以下,达到了抗
2
9
2
静电的使用要求,漆膜水蒸汽透过率降低至 62.13 g/(m ·h),具有最低的腐蚀电流(I corr =3.73×10 A/cm )和最
高的腐蚀电压(E corr = –0.1993 V),ATO/GO 的防腐效率与 AE 相比提高了 99.95%。
关键词:氧化石墨烯;氧化锡锑;防腐涂料;抗静电;建筑用化学品
中图分类号:TQ63 文献标识码:A 文章编号:1003-5214 (2018) 07-1248-07
Preparation and Properties of ATO/GO Nanocomposite
1
2
1,2
1
1*
LI Jing-yi , LI Xiao-rui , ZHU Ke , SHEN Yi-ding , QIN Shu-di
(1. Shaanxi University of Science & Technology, College of Chemistry and Chemical Engineering,Xi'an 710021, Shaanxi,
China; 2. Weinan Normal University, Weinan 714099, Shaanxi, China)
Abstract: A new ATO/GO nanocomposite was obtained by 3-aminopropyltriethoxysilane(KH550) modified
tin antimony oxide(ATO) anchoring on graphene oxide(GO) layers. Then, the resulting ATO/GO
nanocomposite was mixed with waterborne epoxy resin emulsion (AE) by high speed dispersion method.
The samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy(XPS) and
scanning electron microscope(SEM). The effect of ATO/GO content on the anticorrosion and antistatic
properties of waterborne epoxy coating was investigated. The results showed that with the increase of
ATO/GO content, the surface resistance of composite coating decreased. When the mass fraction of
9
ATO/GO was greater than 3.0%, the surface resistance of composite coating was less than 1.0×10 Ω,
which could meet the anti-static requirements. The composite coating containing 3.0% mass fraction of
ATO/GO exhibited excellent anti-corrosion and antistatic properties. The water vapor transmittance of
2
composite coating decreased to 62.13 g/(m h),and the lowest corrosion current density (I corr) and the
2
9
maximum corrosion voltage (E corr) were 3.73×10 A/cm and -0.1993 V, respectively. In addition, the
anticorrosive efficiency was an improvement of 99.95% compared with that of blank sample.
Key words: graphene oxide; tin antimony oxide; anticorrosion coating; antistativity; building chemicals
Foundation items: National Natural Science Foundation of China (21505089,21544011); Special Scientific
Research Program of Shaanxi Provincial Education Department (17JK0270)
9
[1]
6
在石化、交通、纺织、电器电子设备等行业 , 10 ~1.010 Ω的具有防静电效应的防腐涂料,其以
静电可加速铁基材的腐蚀速率,需要涂装优良抗静 聚合物为成膜物质,通过加入导电材料浆料形成导
电性的防腐涂层。抗静电防腐涂料是表面电阻为 1.0 电通路以达到抗静电作用 [2-4] 。添加的导电材料包括
收稿日期:2017-07-01; 定用日期:2017-11-23; DOI: 10.13550/j.jxhg.20170528
基金项目:国家自然科学基金(21505089, 21544011);陕西省教育厅科研计划项目(17JK0270)
作者简介:李菁熠(1989—),女,博士生。联系人:李小瑞(1958—),女,教授,博士生导师,E-mail:xrli@sust.edu.cn。