Series Code Mole ration of TAEI/PEI Mw PEI(Da) Mva PEI mol (%)b Yield of copolymer (%)
  A A11 1:1 800 4980 63.2 28.1
A12 1:2 800 4570 72.5 32.4
A14 1:4 800 4390 53.4 40.5
  B B11 1:1 1200 7160 51.7 33.6
B12 1:2 1200 5940 70.3 37.8
B14 1:4 1200 5580 63.5 43.3
  C C11 1:1 2000 9870 54.8 38.5
C12 1:2 2000 8430 65.6 41.3
C14 1:4 2000 7650 71.4 53.2
PEI, polyethylenimine; TAEI, tris[2-(acryloyloxy)ethyl]isocyanurate.
aDetermined by viscosity measurements in 0.9% NaCl solution at 25°C
bDetermined by 1H NMR in CDCl3
Table 1: Characteristics of synthesized PEAs.