Small-angle neutron scattering studies on water soluble complexes of poly(ethylene glycol)-based cationic random copolymer and SDS

Pramana

K N Jayachandran³  Souvik Maiti⁴  P S Goyal⁵  V K Aswal¹  V Manorama1²  C K Nisha1² 

[1] Solid State Physics Division, Mumbai-Centre, Bhabha Atomic Research Centre, Mumbai 400 085, India$$;Materials Science Group, Indian Institute of Chemical Technology, Hyderabad 500 007, India$$;Department of Pathology and Lab Medicine, University of British Columbia, Canada$$;Institute for Genomics and Integrative Biology, Mall Road, Delhi 110 007, India$$;IUC-DAEF, Mumbai-Centre, Bhabha Atomic Research Centre, Mumbai 400 085, India$$

关键词: Small-angle neutron scattering;    polymer-surfactant complexes.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

The interaction of cationic random copolymers of methoxy poly(ethylene glycol) monomethacrylate and (3-(methacryloylamino)propyl) trimethylammonium chloride with oppositely charged surfactant, sodium dodecyl sulphate, and the influence of surfactant association on the polymer conformation have been investigated by small-angle neutron scattering. SANS data showed a positive indication of the formation of RCP-SDS complexes. Even though the complete structure of the polyion complexes could not be ascertained, the results obtained give us the information on the local structure in these polymer-surfactant systems. The data were analysed using the log-normal distribution of the polydispersed spherical aggregate model for the local structure in these complexes. For all the systems the median radius and the polydispersity were found to be in the range of 20 ± 2 Å and 0:6 ± 0:05, respectively.

【 授权许可】

Unknown