Structure and Interaction of Poly(ethylene glycol) in Aqueous Solutions. Small‐Angle Neutron Scattering Data | Zendy

Petrenko Viktor | Zendy; Bulavin Leonid | Zendy; Avdeev Mikhail | Zendy; Garamus Vasil | Zendy; Koneracka Martina | Zendy; Kopcansky Peter | Zendy

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Structure and Interaction of Poly(ethylene glycol) in Aqueous Solutions. Small‐Angle Neutron Scattering Data

Author(s) -

Petrenko Viktor,

Bulavin Leonid,

Avdeev Mikhail,

Garamus Vasil,

Koneracka Martina,

Kopcansky Peter

Publication year - 2014

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.201200117

Subject(s) - molar mass , small angle neutron scattering , aqueous solution , polymer , neutron scattering , virial coefficient , ethylene glycol , materials science , peg ratio , polymer chemistry , small angle scattering , neutron , scattering , structure factor , chemical engineering , chemical physics , chemistry , thermodynamics , crystallography , physics , nuclear physics , optics , composite material , finance , engineering , economics

Summary Behavior of low molecular mass poly(ethylene glycol) (PEG) polymer, i.e. molar masses M n = 400 and 1000, in heavy water is studied by small‐angle neutron scattering (SANS). Some part of the polymer molecules in concentrated solutions is found to form aggregates with size exceeding 30 nm. The form‐factor of Gaussian coil is used to describe low concentrated PEG solutions. Virial coefficients are obtained from approximation of experimental SANS data for PEG solutions with concentration higher than 3% where the interparticle interaction effect is well observed.

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