Photocrosslinking the polystyrene core of block-copolymer nanoparticles
Literature Information
Publication Date
2010-12-20
DOI
10.1039/C0PY00350F
Impact Factor
5.582
Authors
Siyan Zhang, Douglas H. Adamson, Robert K. Prud'homme
View Original
Abstract
The crosslinking of the core of nanoparticles composed of polystyrene-block-poly(ethylene oxide) copolymers can be achieved through encapsulation of a small molecule aryl diazide, 4,4′-diazidobiphenyl, and subsequent photolysis. The core-crosslinked nanoparticles exhibited high stability under thermal challenge. These stabilized nanoparticles have potential to serve as a nanobead for the polymerase chain reaction (PCR). We also demonstrated that this crosslinker can endow thin films of polystyrene with solvent resistance. NMR studies on these films provided evidence that crosslinking was occurring viainsertion of the nitrene formed by photolysis of the azide into the methylene or methine groups in the backbone of polystyrene.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
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CAS Number:
134526-69-5
Molecular Formula:
C11H19NO3
Aztreonam USP Related Compound A (Open-ring Aztreonam)
CAS Number:
87500-74-1
Molecular Formula:
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