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Unimolecular Amphiphilic Nanocontainers Based on Dendronized Linear Polymers

✍ Scribed by Zhong-Biao Zhang; Yu-Han Teng; William Freas; Dillip K. Mohanty

Book ID
102942742
Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
547 KB
Volume
27
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Summary: Linear polymeric core, polyethylenimine (PEI), is successfully dendronized divergently using different‐generation polyamidoamine (PAMAM)‐type dendrons. The formed dendronized polymers are further end‐capped using long alkyl acrylate, hexyl acrylate, to give macromolecular amphiphiles, which perform as unimolecular nanocontainers, capable of encapsulating water‐soluble dye in their interiors. The encapsulation properties are found to be generation‐dependent, in which, at higher generations of nanocontainers, the cavity becomes more localized, due to dense packing of the dendrons at their termini.

Dendronization of a linear polymeric core followed by capping with hydrophobic arms.

magnified imageDendronization of a linear polymeric core followed by capping with hydrophobic arms.

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## Abstract **Summary:** Amphiphilic block copolymers composed of poly(butyl acrylate) and poly(2‐acryloyloxyethyl phosphorylcholine) have been prepared using reversible addition fragmentation transfer (RAFT) polymerisation. The conversion of the polymerisation was determined using online FT NIR sp