Synthesis of P(St₁₇-co-DMAEA₁₃)-b-PPEGA₉₀ (1) and PSt₃₇-b-PPEGA₈₂ (2) via chain extension with PEGA^a.

Symble	x PEGA b	Yieldc (%)	m d	k d	n d	M n,NMR e	M n (Mw/Mn)f
1	0.49	43	17	13	90	47 400	16 000 (1.25)
2	0.68	57	37	0	82	44 000	15 000 (1.21)

^a[PEGA]₀/[P(St_k-co-DMAEA_m) macroCTA]₀/[AIBN]₀ = 100/1/0.2; polym. solv., 1,4-dioxane; polym. temp., 60 °C; polym. time, 24 h.

^bConversion of PEGA (x_PEGA) determined by ¹H NMR spectroscopy.

^cIsolated yield.

^dNumber average degree of polymerization of St (m), DMAEA (k) and PEGA (n) determined by ¹H and ¹⁹F NMR spectroscopies using cross reference.

^eNumber average molecular mass calculated using the k, m and n values considering the mass of CF₃-CPADB.

^fNumber average molecular mass and dispersity determined by SEC using polystyrene standards.