有机硅/SiO2杂化溶胶改性丙烯酸树脂及性能研究

蓝秀玲,刘光明,周街胜,刘志雷,彭叔森,李茂东

Preparation and Properties of Organosilicone/SiO2Hybrid Sol Modified Acrylic Resin

Xiuling LAN,Guangming LIU,Jiesheng ZHOU,Zhilei LIU,Shusen PENG,Maodong LI

表3 改性丙烯酸树脂涂层在3.5%NaCl溶液中浸泡30和300 h的EIS拟合结果

Table 3 Fitting values of various parameters of EIS for the modified acrylic resin coatings immersed in 3.5%NaCl solution for 30 and 300 h

Sample Time / h Rsol/ Ω·cm2 Cc/ F·cm2 Rc/ Ω·cm2 Cpc/ F·cm2 Rpc/ Ω·cm2 Cdl/ F·cm2 Rt/ Ω·cm2 T-0 30 55.59 1.088×10-5 1.225×101 2.142×10-4 1.546×103 3.281×10-5 1.565×103 300 18.94 2.362×10-8 6.552×101 2.736×10-7 6.111×10-2 7.532×x10-2 1.922×103 T-1 30 3.41 9.239×10-7 1.528×101 1.333×10-4 4.149×103 4.440×10-4 4.207×102 300 7.064 2.754×10-7 1.793×101 1.736×10-4 2.060×10-2 7.584×10-6 1.673×103 T-2 30 3.6 1.448×10-7 1.210×101 2.768×10-5 1.546×102 1.449×10-6 1.776×102 300 5.925 6.500×10-6 9.762×101 8.373×10-6 1.131×10-2 1.123×10-6 7.991×102 T-3 30 101.3 4.214×10-7 7.579×101 9.317×10-6 2.379×103 6.664×10-4 8.385×105 300 35.4 7.085×10-8 2.835×101 1.736×10-7 1.000×10-1 5.782×10-6 5.058×103 T-4 30 18.48 8.689×10-7 2.657×103 5.285×10-5 2.254×103 6.920×10-4 5.878×104 300 7.472 1.684×10-8 1.949×101 8.852×10-5 9.522×10-3 9.072×10-2 3.064×102