三种有机氟硅类防护材料对石材的抗酸保护性能
Acid Rain Resistance Property of Three Fluoro-organosilane Materials for Carbonate Stone
摘 要
酸雨是造成石材化学腐蚀最重要因素之一.采用连续浸泡和周期喷淋法考察石灰岩经过三种有机氟硅(Pelicoat、Coesol和Mellerud)防护材料处理后的抗酸防护情况.试验发现三种有机氟硅类防护材料在模拟酸雨浸泡过程中没有明显的抗酸保护性能；在相当于南京10年降雨量的周期喷淋模拟酸雨腐蚀下,未用保护材料处理的石材钙损失为21.594 5 g/m2,而用三种防护材料处理的石材钙损失分别为Pelicoat 5.2481 g/m2,Coesol 6.3807 g/m2,MelleRud 6.2405 g/m2,三种有机氟硅类防护材料对石材有长期的抗酸保护效果.
连续浸泡
模拟酸雨
石灰岩
有机氟硅防护材料
腐蚀
periodic spraying
continuous immersion
simulated acid rain
carbonate stone
fluoro-organosilane material
corrosion
Abstract
One of the most important factors of carbonate stone decay is the chemical attack caused by atmospheric pollutants such as acid rain.Simulated acid rain was used to evaluate the protection properties sorts of three commercial fluoro-organosilane(Pelicoat,Coesol and Mellerud) for carbonate stone by continuous immersion method and periodic spraying method.The results showed that the carbonate stone treated with three sorts commercial fluoro-organosilane could not obviously resist acid rain in continuous immersion test.The Ca loss was 5.2481 g/m2,6.3807 g/m2,6.2405 g/m2 for Pelicoat,Coesol and MelleRud respectively during simulated acid rain periodic spraying testing which corresponded to 10 year rainfall in Nanjing city,while the Ca loss was 21.5945 g/m2 for untreated carbonate stone.There are long-term protective effects against acid rain for carbonate stones with Pelicoat,Coesol and MelleRud treated.
中图分类号 TU503
所属栏目 试验研究
基金项目 江苏省社会发展项目资助课题(BS2006050)
收稿日期 2009/2/9
修改稿日期 2009/3/31
网络出版日期
作者单位点击查看
备注徐飞高,讲师.
引用该论文: XU Fei-gao,LI Dan,ZHAO Mo-ming,GAO Shi-xiang. Acid Rain Resistance Property of Three Fluoro-organosilane Materials for Carbonate Stone[J]. Corrosion & Protection, 2010, 31(1): 14～17
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参考文献
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【2】聂王焰,周艺峰.石刻保护有机硅涂料的研究[J].涂料工业,2005,35(8):1-18.
【3】Cardino P,Ponterio R C.Epoxy-silica polymers as stone conservation materials[J].Polymer,2005,46:1857-1864.
【4】Tonilo L,Poli T,Castelvetro V,et al.Tailoring new fluorinated acrylic copolymers as protective coatings for marble[J].Journal of cultural Heritage,2002,3:309-316.
【5】Lokamn T.Laboratory experiments of the investigation of the effects of sulphuric acid on the deterioration of carbonate stones and surface corrosion[J].Water Air and Soil Pollution,1999,114:1-12.
【6】H Bravo A,R Soto A.Effect of acid rain on building material of the EI Tajin archaeological zone in Veracruz,Mexico[J].Environmental Pollution,2006,144:655-660.
【7】蓝俊康.模拟酸雨对灰岩的侵蚀性研究[J].桂林工学院学报,1997,17(2):164-169.
【8】肖佳,周士琼.酸雨条件下低钙粉煤灰对水泥砂浆强度的影响[J].建筑材料学报,2005,8(4):440-445.
【9】张学元,安百刚,韩恩厚,等.酸雨对材料的腐蚀/冲刷研究现状[J].腐蚀科学与防护技术,2002,14(3):157-160.
【10】Thornbush M J.Simulation of the dissolution of weathered versus unweathered limestone in carbonic acid solutions of varying strength[J].Earth Surface Processes and Landforms,2007,32:841-852.
【11】Coulson S R,Woodward I,Badyal J P S,et al.Superrepellent composite fluoropolymer surfaces[J].J Phys Chem B,2000,104:8836-8840 .
【12】徐飞高,汤剑,高士祥.模拟酸雨对不同石材防护材料的影响[J].涂料工业,2009,39(1):1-4.
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