화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.72, 319-331, April, 2019
DOI10.1016/j.jiec.2018.12.032  Export Citation
Association of amphiphilic block copolymers in dilute solution:With and without shear forces
Zahra Hosseini1, 2, Kiyumars Jalili1, 2, †, Sanam Rajabnia1, 2, Leila Behboodpour1, 2, and Farhang Abbasi1, 2
  • 1Institute of Polymeric Materials, Sahand University of Technology, 5331711111 Tabriz, Iran
  • 2Department of Polymer Engineering, Sahand University of Technology, 5331711111 Tabriz, Iran
E-mail:
The goal of this study is to investigate the self-assembly of block copolymers in aqueous solution and online demonstration of the morphology transition of micelles under shear flow upon changing the temperature via rheological measurements. To this end, a series of poly(ethylene glycol)-blockpolycaprolactone copolymers with variable block ratios and degree of polymerization was synthesized via ring opening polymerization of ε-caprolactone in the presence of methoxy poly(ethylene glycol) macroinitiator (Mn ~ 2000 g/mol), and the ensuing nanoobject assemblies were scrutinized by smallangle neutron scattering. We take advantage of solution rheology control to understand the micellar transition route of amphiphlies.
Keywords:Amphiphilic block copolymers;Morphological transition;On-line rheology
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