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Triggering Depolymerization: Progress and Opportunities for Self-Immolative Polymers
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DOI：10.1021/acs.macromol.9b00965.png)
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Abstract
En 中文
Polymers that depolymerize end-to-end upon cleavage of their backbones or end-caps, often termed selfimmolative polymers (SIPs), have garnered significant interest in recent years. They can be distinguished from other degradable and stimuli-responsive polymers by their ability to provide amplified responses to stimuli, as a single bond cleavage event is translated into the release of many small molecules through a cascade of reactions. Here, the synthesis and properties of the major classes of SIPs including poly(benzyl carbamate)s, poly(benzyl carbonate)s, poly(benzyl ether)s polyphthalaldehydes, polyglyoxylates, polyglyoxylamides, and poly(olefin sulfone)s are presented. In addition, their advantages and limitations as well as their recent applications in areas including sensors, drug delivery, micro- and nanopatterning, transient devices and composites, coatings, antibacterial, and recyclable plastics are described. Finally, the challenges associated with the development of new SIP backbones and their translation into commercial products are discussed.
Keywords:
POLY(ETHYL GLYOXYLATE)
AROMATIC-ALDEHYDES
DEGRADATION
TRANSIENT
RELEASE
POLY(PHTHALALDEHYDE)
POLYMERIZATION
CYCLOPOLYMERIZATION
PHTHALALDEHYDE
MICROCAPSULES
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