高性能液体端羧基氟橡胶的氟化加成反应合成

姜帆, 李琬桐, 赵树发, 石宁, 张梦霞, 方庆红, 李东翰

Synthesis of High Performance Carboxyl-terminated Liquid Fluoroelastomers Based on Fluorination Addition Reaction

JIANG Fan, LI Wantong, ZHAO Shufa, SHI Ning, ZHANG Mengxia, FANG Qinghong, LI Donghan

表4 TBAF用量对产物结构的影响

Table 4 Effect of amount of TBAF on the product structure

[TBAF]: [C=C] Mn¯ PDI COOH / % C=C / mmol·g-1 - 2620 1.80 2.45 0.30 0.5:1.0 2420 1.82 2.36 0.12 1.0:1.0 2410 1.85 2.30 0.08 1.5:1.0 2380 1.93 2.11 0.11 2.0:1.0 2420 2.01 1.98 0.13 2.5:1.0 2480 2.40 1.86 0.13