AI Article Synopsis
- Pickering emulsion polymerization is a method for making functional composite materials, but traditional methods mainly form stable bonds that are not degradable.
- This study introduces a new technique using cellulose nanoparticles as stabilizers to enable interfacial Pickering emulsion polycondensation between aromatic aldehydes and polymercaptans.
- The use of sulfonated cellulose nanocrystals in the process not only stabilizes the emulsion but also helps create oxidatively degradable structures in the resulting polymers, influencing their properties.
Article Abstract
Pickering emulsion polymerization is a practical method to fabricate functional composite materials. However, most reported systems proceed homogeneously within the stabilized monomer phase and create nondegradable chemical bonds. Here, interfacial Pickering emulsion polycondensation between aromatic aldehydes and polymercaptans is developed using sustainable cellulose nanoparticles as the stabilizer. When sulfonated cellulose nanocrystals (S-CNCs) were utilized, they also catalyzed the polycondensation to produce the oxidatively degradable S,S-acetal groups on the polymer chains. The influence of monomer and cellulose structures on the polymerization behavior and composite properties were compared.
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| http://dx.doi.org/10.1021/acsmacrolett.4c00647 | DOI Listing |
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