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5 NBS用量对产物结构的影响

Table 5 Effect of amount of NBS on the product structure

[NBS]: [C=C]	$\bar{M_{n}}$	PDI	COOH / %	C=C / mmol·g^-1
-	2620	1.80	2.45	0.30
0.5/1.0	2410	1.85	2.30	0.08
1.0/1.0	2420	1.82	2.23	0.11
1.5/1.0	2300	1.93	2.20	0.14
2.0/1.0	2440	1.88	2.09	0.12
2.5/1.0	2490	2.07	2.02	0.13