Dispersing carbomers, mixing technology matters!
RSC ADVANCES(2022)
摘要
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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关键词
carbomers,technology matters!
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