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Depolymerization-Induced Morphological Transformation
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DOI：10.1021/jacs.5c18937.png)
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Abstract
En 中文
Depolymerization offers a powerful route for the chemical recycling of vinyl polymers. However, current strategies focus almost exclusively on monomer recovery, which overlooks broader applications and opportunities. Herein, depolymerization-induced morphological transformation (DIMT) is introduced as a modular methodology to control the shape of sterically stabilized diblock copolymer nanoparticles and gain mechanistic insight into morphological transformations that occur during selective degradation of the methacrylic core-forming block. Notably, DIMT results in a sequential evolution in copolymer morphology from vesicles to worms to spheres. Transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) studies enabled the construction of a predictive (pseudo)phase diagram. Furthermore, this new approach was also applied to the irreversible degelation of diblock copolymer worm gels, highlighting new opportunities to regulate material properties through depolymerization.
Journal
IF:
15.6
Papers:
20.0W
Citations:
60.2W
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