Table 2.
Variation in particle diameter and amount of secondary nucleation as a function of seeded emulsion polymerization method and replication of experiment.
Sample | Methoda | Dn (nm) | CVD (%) |
---|---|---|---|
ST073 | 1 | 633 | 4.3 |
ST077 | 1 | 650 | 2.9 |
ST162 | 1 | 821 | 5.3 |
ST167 | 1 | 744 | 2.4 |
ST120 | 2 | 699 | 7.5 |
ST124 | 2 | 771 | 4.7 |
ST125 | 2 | 726 | 5.7 |
ST130 | 2 | 854 | 2.6 |
ST141 | 2 | 759 | 3.4 |
ST154b | 2 | 714 | 9.2 |
Experiments performed with quantity of seed latex corresponding to 0.1 g polymer. Other reagents: 0.4 g styrene, 0.25 g Me-β-CD, 15 mg NaHCO3, 1 mg SDS, 15 – 20 mg of Ln(TNB)3 complex, 10 g additional water. [initiator] = 10 mM. Polymerization for 24 hours at 353 K after 24 hours of swelling.
ST154 performed with 10-fold reduction in initiator (ACVA) concentration