Synthesis of Fluorinated Amphiphilic Block Copolymers Based on PEGMA, HEMA, and MMA via ATRP and CuAAC Click Chemistry

Table 1

Conditions^a and results for the synthesis of P(HEMA--MMA).

Entry	Comonomers in feed (% volume)	Polymer	Time (h)	^bConv. (%)	^c	^d	^ePDI
1	HEMA(5)-MMA(95)	(1a)	17	91	9300	9420	1.39
2	HEMA(20)-MMA(80)	(1b)	12	68	5850	7360	1.29
3	HEMA(30)-MMA(70)	(1c)	10	60	5500	6690	1.29
4	HEMA(50)-MMA(50)	(1d)	7	43	4384	5100	1.23

^aMonomer/solvent = 1.5 : 1 v/v, M/I/CuCl/bpy: 100/1/1/2.5, ethyl -bromoisobutyrate was used as an initiator, and temperature: r.t. ^bdetermined gravimetrically. ^cdetermined from GPC measurements. ^dcalculated by using formula: = × Monomer/Initiator × Conv. +   determined from GPC measurements.