Lignosulfonate (LS)-shell limonene-core microcapsules (LMCs) were prepared by ultrasonication. To achieve better control over the pH-responsiveness, (i) fractionation of the starting LS by solvent extraction and (ii) introduction of diveratryl sebacate (DS) into the formulation were performed. High molecular weight fraction enabled the preparation of highly stable LMCs, while the presence of DS caused faster release kinetics.
Tailoring the pH-responsiveness of lignin-based microcapsules
Massimo Sgarzi
;Matteo Gigli;Claudia Crestini
2023-01-01
Abstract
Lignosulfonate (LS)-shell limonene-core microcapsules (LMCs) were prepared by ultrasonication. To achieve better control over the pH-responsiveness, (i) fractionation of the starting LS by solvent extraction and (ii) introduction of diveratryl sebacate (DS) into the formulation were performed. High molecular weight fraction enabled the preparation of highly stable LMCs, while the presence of DS caused faster release kinetics.
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