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3 Selectfluor用量对产物结构的影响

Table 3 Effect of amount of Selectflour on the product structure

[Selectfluor]: [C=C] Mn¯ PDI COOH / % C=C / mmol·g-1 - 2620 1.80 2.45 0.30 1.0:1.0 2430 1.88 2.38 0.14 2.0:1.0 2410 1.85 2.30 0.08 3.0:1.0 2420 1.90 2.30 0.11 4.0:1.0 2490 1.95 2.27 0.13 5.0:1.0 2440 1.92 2.23 0.11