Table 2: Size and composition data of the various samples.

Sample% PTFE estimated (W/W)% PTFE(a) (DSC)% PTFE(b) (TGA) 𝑑 estimated (nm) 𝑑 PCS (nm) 𝑇 𝑔 DSC (c) (°C)

PMMA0.00.00.0391.3121
BPM10.250.30.4240236.6121
BPM20.50.40.4191194.4121
BPM31.51.41.2128136.8121
BPM43.03.13.4101112.0121
BPM56.05.75.98082.5125
BPM612.012.015.46368.5134
BPM718.020.424.15553.8134
BPM830.022.828.84548.0131
BPM940.046.543.74041.1130
BPM1050.053.048.13738.4128
BPM1160.066.861.93435.4130
BPM1270.070.367.23131.8Nd
BPM1380.080.975.62930.1Nd
BPM1485.084.586.52929.4Nd
BPM1590.087.487.92829.2Nd

(a)The PTFE percentage in the core-shell samples was estimated from the amount of feed PTFE and MMA assuming quantitative MMA conversion, absence of residual PTFE seeds, and no PMMA particle formation.
(b)The amount of PTFE was estimated from the melting enthalpy of the PTFE component (endothermic peak at 325°C) considering that the melting enthalpy of the BP44 sample is 46.05 J g−1 (first DSC heating curve).
(c)First DSC heating curve at 20°/min.