在武汉地区对两种不同氟含量的氟碳树脂涂层进行户外曝晒试验,并对曝晒1 a后的试样进行盐雾试验,使用红外吸收光谱法检测涂层的特征基团变化,用常规方法检测光泽度及结合强度.同时,通过对结合强度变化数据的拟合,分析了氟碳涂层中含氟分子链降解及结构变化的规律.结果表明,相同曝晒时间下,含氟量低的氟碳涂层老化较含氟量高的严重,且含氟量低的氟碳涂层的耐蚀性能和结合强度随曝晒时间下降较快.
参考文献
| [1] | Ameduri B.Use of original fluoroacrylates as surface modifiers[A].Brussels:International Center for Coatings Technology,2001:4,5-7. |
| [2] | Anton R D .Coating compositions of an acrylic fluorocarbon polymer and a fluorinated polyisocyanate[P].US 5705276,1996-10-28. |
| [3] | Verkhoantsev V V .Heterophase and self-stratifying polymer coatings[J].Progress in Organic Coatings,1995,26:31-52. |
| [4] | L.F.E.Jacques .Accelerated and outdoor/natural exposure testing of coatings[J].Progress in Polymer Science,2000(9):1337-1362. |
| [5] | T. Nguyen;J.B. Hubbard;J.M. Pommersheim .Unified Model for the Degradation of Organic Coatings on Steel in a Neutral Electrolyte[J].JCT,1996(855):45-56. |
| [6] | E. Schtitz;F. Berger;O. Dirckx .Study of degradation mechanisms of a paint coating during an artificial aging test[J].Polymer Degradation and Stability,1999(1):123-130. |
| [7] | 徐永祥,严川伟,丁杰,高延敏,曹楚南.水汽在涂层中的扩散传输行为[J].腐蚀科学与防护技术,2001(z1):493-496. |
| [8] | Wood K A;Cypcar C;Hedhli L.Predicting the exterior durability of new fluoropolymer coatings[J].Journal of Fluorine Chemistry,2000(104):63-71. |
| [9] | 孟令芝;龚淑玲;何永炳.有机波谱分析[M].武汉:武汉大学出版社,1997 |
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%