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Details van artikel 8 van 40 gevonden artikelen
| Titel: |
CHARACTERIZATION OF AN ACRYLAMIDE MODIFIED ETHYL ACRYLATE LATEX BY CARBON-13 NMR SPECTROSCOPY |
| Auteur: |
McDonald, Charles J. |
| Verschenen in: |
Journal of dispersion science and technology |
| Paginering: | Jaargang 5 (1984) nr. 3-4 pagina's 365-392 |
| Jaar: |
1984 |
| Inhoud: |
The structure of a 70/30 ethyl acrylate-acrylamide latex made in a semi-continuous process with surfactant has been investigated. The molar composition and relative concentration of the polymers in the serum phase, on the surface and in the particle were characterized by coupling a filtration procedure, serum replacement, with carbon-13 NMR spectroscopy. The development of polymer in the different phases could be monitored by taking samples at timed intervals during the polymerization. Post-treatment of the latex with sodium hydroxide selectively hydrolyzed the copolymerized ethyl acrylate in the serum and on the surface. By measurement of spin lattice relaxation times it was possible to estimate surface concentration of oligomeric polymer |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 8 van 40 gevonden artikelen
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