Characterization of Comb-Shaped Copolymers by Multidetection SEC, DLS and SANS
AbstractPolyCarboxylate ether-based superplasticizers (PCEs) are a type of comb-shaped copolymers used as polymeric dispersants in cementitious materials. PCEs have a high degree of dispersity, which limits the suitability of conventional characterization techniques, such as Size Exclusion Chromatography (SEC). Properties of PCEs strongly depend on their molecular structure and a comprehensive characterization is needed to fully understand the structure–property relationships. PCEs with well-defined molecular structures were synthesized to study their solution conformation by SEC and scattering techniques. The combined use of SEC, dynamic light scattering and small-angle neutron scattering allowed us to demonstrate the validity of a scaling law describing the radius of gyration of comb-shaped copolymers as a function of their molecular structure. Moreover, we show that the use of SEC with standard calibration, although widely spread, is not adequate for PCEs. View Full-Text
- Supplementary File 1:
PDF-Document (PDF, 361 KB)
Scifeed alert for new publicationsNever miss any articles matching your research from any publisher
- Get alerts for new papers matching your research
- Find out the new papers from selected authors
- Updated daily for 49'000+ journals and 6000+ publishers
- Define your Scifeed now
Gelardi, G.; Sanson, N.; Nagy, G.; Flatt, R.J. Characterization of Comb-Shaped Copolymers by Multidetection SEC, DLS and SANS. Polymers 2017, 9, 61.
Gelardi G, Sanson N, Nagy G, Flatt RJ. Characterization of Comb-Shaped Copolymers by Multidetection SEC, DLS and SANS. Polymers. 2017; 9(2):61.Chicago/Turabian Style
Gelardi, Giulia; Sanson, Nicolas; Nagy, Gergely; Flatt, Robert J. 2017. "Characterization of Comb-Shaped Copolymers by Multidetection SEC, DLS and SANS." Polymers 9, no. 2: 61.
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.