期刊
RSC ADVANCES
卷 12, 期 13, 页码 7830-7834出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ra00176d
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资金
- ERC through an Advanced Research Grant under the European Union [834134]
- Flemish government, department EWI [I001321N]
- Flemish Government
- department EWI [AH.2016.134]
- FWO [1.5.061.18N]
Mixing dry carbomer powder with water using magneto-hydrodynamic mixing resulted in carbomer dispersions with higher viscosity and increased storage modulus compared to conventional high shear mixing. This was caused by a different water distribution, lower ionization, and higher degradation of the polymer in the case of high shear mixing.
Mixing dry carbomer powder with water using magneto-hydrodynamic mixing yielded carbomer dispersions with higher viscosity and increased storage modulus as compared to conventional high shear mixing. H-1 NMR spectroscopy demonstrated this to be induced by a different water distribution, accompanied by lower ionization and higher degradation of the polymer in case of high shear mixing. This investigation reveals H-1 MAS NMR to provide suitable sensitivity and resolution to detect structural changes induced in organic polymers during their hydration.
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