Table 2 Structures of some of the most commonly used types of PEL for complex formation
Polycation (PC)
Name
Structure
PDADMAC: poly(N,N-diallyl-N,Ndimethyl-ammonium chloride)
CH 2 CH CH
CH 2
H 2 C
CH 2
N
CH 3
H 3 C
n
PEI: poly(ethyleneimine)
CH 2 CH 2 N
H n
PAA: polyacrylamide (cationic)
CH 2 CH
CH 2 CH
C
O
O CH 2 CH 2 CH 2 N(CH 3 ) 9
C
O
N H 2
x
y
Cl
PMADAMBQ: copolymer of
N-benzyl-N,N-dimethylammonium chloride
CH 3
C
C
CH 2
O
CH 2
CH 2
N
CH 2
CH 3
H 3 C
O
n
n Cl
Poly(ethylene-trimethylammoniumiodidepropylmaleimide)
CH 2 CH 2 CH CH
N
O
O
CH 2
CH 2
CH 2
N CH 3
CH 3
CH 3
J
n
Polyanions (PA)
–
(continued)
46
G. Petzold and S. Schwarz