TY - JOUR
T1 - Dielectric investigation of the sol-gel transition in the acrylamide/N,N′ methylenebisacrylamide system
AU - Salehli, Ferid
AU - Çatalgil-Giz, Huceste
AU - Giz, Ahmet
AU - Kamer, Orhan
AU - Altuncevahir, Baki
PY - 2000
Y1 - 2000
N2 - The acrylamide/N,N′-methylenebisacrylamide gelation process was studied by time dependent measurement of real εI and imaginary εII parts of the complex dielectric permittivity. The measurements were carried out in the frequency interval 500 Hz to 13 MHz. Strong relaxation behavior of εI and εII was observed in all dielectric spectra during the transformation from the sol to the gel state. At all frequencies a maximum in the imaginary part of dielectric constant εII was observed. The gel point was found by extrapolating this maximum to zero frequency. The behavior of εI and εII related to the gelation mechanism is discussed.
AB - The acrylamide/N,N′-methylenebisacrylamide gelation process was studied by time dependent measurement of real εI and imaginary εII parts of the complex dielectric permittivity. The measurements were carried out in the frequency interval 500 Hz to 13 MHz. Strong relaxation behavior of εI and εII was observed in all dielectric spectra during the transformation from the sol to the gel state. At all frequencies a maximum in the imaginary part of dielectric constant εII was observed. The gel point was found by extrapolating this maximum to zero frequency. The behavior of εI and εII related to the gelation mechanism is discussed.
UR - http://www.scopus.com/inward/record.url?scp=0033732679&partnerID=8YFLogxK
U2 - 10.1002/(SICI)1097-4628(20000711)77:2<463::AID-APP24>3.0.CO;2-M
DO - 10.1002/(SICI)1097-4628(20000711)77:2<463::AID-APP24>3.0.CO;2-M
M3 - Article
AN - SCOPUS:0033732679
SN - 0021-8995
VL - 77
SP - 463
EP - 466
JO - Journal of Applied Polymer Science
JF - Journal of Applied Polymer Science
IS - 2
ER -