以正硅酸乙酯(TEOS)和甲基三乙氧基硅烷(MTES)为前驱物、氨水为催化剂,通过溶胶-凝胶反应在铝颜料表面形成了薄而致密的有机-无机包覆层.研究了影响成膜形态的反应因素以及包覆产物的耐酸性.结果发现,当TEOS、MTES、氨水和水的乙醇溶液同时滴入铝颜料溶液,并控制反应配比为铝颜料2 g、MTES 3 g、TEOS 2 g、氨水6 g和水10 g,在50℃下反应6h所包覆的铝颜料能够在pH=1的硫酸溶液中保持300 min不产生氢气.
参考文献
| [1] | Karbasi A;Moradian S;Tahmassebi N;Ghodsi P .Achievement of optimal aluminum flake orientation by the use of special cubic experimental design[J].Progress in Organic Coatings: An International Review Journal,2006(3):175-182. |
| [2] | M. Kearns .Development and applications of ultrafine aluminium powders[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(0):120-126. |
| [3] | M(U)LLER B;SHAHID M;KINET G .Nitro-and aminophenols as corrosion inhibitors for aluminium and zinc pigments[J].Corrosion Science,1999,41(07):1323-1331. |
| [4] | 高爱环,皮丕辉,路阳,文秀芳,程江,杨卓如.铝颜料的聚丙烯酸酯与SiO_2 双重包覆改性[J].华南理工大学学报（自然科学版）,2010(02):1-5. |
| [5] | P Wissling .State-of-the-art technology in aluminium pigments for aqueous paints[J].Surface Coatings International, Part B. Coatings Transactions: The Science and Technology of Paints, Inks and Related Coatings and their Raw Materials,1999(7):335-339. |
| [6] | 中南大学 .一种二氧化硅包覆型水性铝银浆的制备方法[P].CN.101235226,2010-09-29. |
| [7] | Corrosion protection of aluminium pretreated by vinyltriethoxysilane in sodium chloride solution[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2010(3):1060. |
| [8] | Hui Wang;Shu-li Huang;Yan-jun Zuo;Tao Zhou;Lie-rong Zhang .Corrosion resistance of lamellar aluminium pigments coated by SiO_2 by sol-gel method[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2011(1):161-167. |
| [9] | Hongwei Zhu;Xiaoyue Qu;Yu Hu;Hui Xie;Zhenxing Chen .Corrosion inhibition of flaky aluminium powders prepared through sol-gel process[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2011(1):481-486. |
| [10] | 李利君,皮丕辉,王炼石,文秀芳,程江,杨卓如.改进的溶胶/凝胶法制备包覆型铝颜料[J].材料科学与工艺,2010(04):464-468. |
| [11] | Lijun Li;Pihui Pi;Xiufang Wen;Jiang Cheng;Zhuoru Yang .Optimization of sol-gel coatings on the surface of aluminum pigments for corrosion protection[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2008(3):795-803. |
| [12] | Li-Jun Li;Pi-Hui Pi;Xiu-Fang Wen .Aluminum pigments encapsulated by inorganic-organic hybrid coatings and their stability in alkaline aqueous media[J].JCT research,2008(1):77-83. |
| [13] | 林健 .催化剂对正硅酸乙酯水解-聚合机理的影响[J].无机材料学报,1997,12(03):363-369. |
| [14] | Y.Joshua Du;Matt Damron;Grace Tang;Haixing Zheng;C.-J.Chu;Joseph H.Osborne .Inorganic/organic hybrid coatings for aircraft aluminum alloy substrates[J].Progress in Organic Coatings: An International Review Journal,2001(4):226-232. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%