Table 4.

Variation in reaction conditions

Entry	Reaction changes	Catalyst loading [µmol]	Yield PE [g]	TO.h−1a	PSb (before) [nm]	PSb (after) [nm]
1	Micelles formed in DMF With PEG-b-PCF3	15	0.36	870	30	115
2	Micelles formed in THFc,d	14	0.19	990	24	80
3	Micelles formed in THF With PEG-b-PCF3/pH~3c	17	0.52	1120	28	163
4	Micelles formed in THF With PEG-b-PS	16	0.49	1120	27	67

Reaction conditions: catalyst: L₁Pd-NR₃, 85 °C, 40 bar of constant ethylene pressure, 1 h, total volume of solvent: 100 mL

^aMol of ethylene consumed per mol of Pd per hour

^bAverage particles size by volume before and after ethylene polymerization determined by DLS (See Supplementary Table 4)

^cpH adjusted with phosphoric acid (10^–3 mol L⁻¹)

^dPolymerization time is 0.5  h