## Abstract **Summary:** The bromine chain ends of wellβdefined polystyrene ($\overline M \_{\rm n}$β=β2β700 gβΒ·βmol^β1^, $\overline M \_{\rm w} /\overline M \_{\rm n}$β=β1.11) prepared using ATRP were successfully transformed into various functional end groups (__Ο__βhydroxy, __Ο__βcarboxyl and __
Synthesis and characterization of end-functional polymers on silica nanoparticles via a combination of atom transfer radical polymerization and click chemistry
β Scribed by Yunpu Wang; Jiucun Chen; Jiming Xiang; Hongjun Li; Yongqian Shen; Xianghu Gao; Yan Liang
- Book ID
- 108257535
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 641 KB
- Volume
- 69
- Category
- Article
- ISSN
- 1381-5148
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Atom transfer radical polymerization (ATRP) was performed to prepare azide end-functional polystyrene (PSt-N 3 ) with predesigned molecular weight and narrow polydispersity. Then C 60 end-capped polystyrene was synthesized by reacting C 60 with PSt-N 3 . The UV-VIS, DSC, GPC characterizations indica
Hyperbranched poly(2-((bromobutyryl)oxy)ethyl acrylate) (HPBBEA) was grafted onto the exterior surface of mesoporous silica nanoparticles (MSNs) by surface-initiated self-condensing atom transfer radical vinyl polymerization (SCATRVP). The MSNs with ATRP initiator anchored on the exterior surface (M
## Abstract In the present paper, we report the successful preparation of high density, wellβdefined polymer brushes by RAFT polymerization on silica nanoparticles. Our strategy includes (i) βgrafting fromβ approach for brush formation, (ii) facile click reaction to immobilize RAFT agent, (iii) syn